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Optimizing post-operative pain management in Latin America

Abstract

Post-operative pain management is a significant problem in clinical practice in Latin America. Insufficient or inappropriate pain management is in large part due to insufficient knowledge, attitudes and education, and poor communications at various levels. In addition, the lack of awareness of the availability and importance of clear policies and guidelines for recording pain intensity, the use of specific analgesics and the proper approach to patient education have led to the consistent under-treatment of pain management in the region. However, these problems are not insurmountable and can be addressed at both the provider and patient level. Robust policies and guidelines can help insure continuity of care and reduce unnecessary variations in practice. The objective of this paper is to call attention to the problems associated with Acute Post-Operative Pain (APOP) and to suggest recommendations for their solutions in Latin America. A group of experts on anesthesiology, surgery and pain developed recommendations that will lead to more efficient and effective pain management. It will be necessary to change the knowledge and behavior of health professionals and patients, and to obtain a commitment of policy makers. Success will depend on a positive attitude and the commitment of each party through the development of policies, programs and the promotion of a more efficient and effective system for the delivery of APOP services as recommended by the authors of this paper. The writing group believes that implementation of these recommendations should significantly enhance efficient and effective post-operative pain management in Latin America.

KEYWORDS
Acute post-operative pain; Pain management; Latin America; Chronic pain

Resumo

O controle da dor no período pós-operatório é um problema significativo na prática clínica na América Latina. O controle insuficiente ou inadequado da dor é devido, em grande parte, à insuficiência de conhecimento, atitudes e formação e à comunicação precária em vários níveis. Além disso, a falta de conscientização da disponibilidade e importância de políticas e diretrizes inequívocas para avaliar a intensidade da dor, o uso de analgésicos específicos e a abordagem adequada para instruir o paciente levaram ao subtratamento consistente da dor na região. Contudo, esses problemas não são insuperáveis e podem ser abordados no âmbito tanto do provedor quanto do paciente. Políticas e diretrizes substanciais podem ajudar a garantir a continuidade dos cuidados e reduzir as variações desnecessárias na prática. O objetivo deste artigo é chamar a atenção para os problemas associados à dor aguda no pós-operatório (DAPO) e sugerir recomendações para solucioná-los na América Latina. Um grupo de especialistas em anestesiologia, cirurgia e dor desenvolveu recomendações que levarão a um controle mais eficiente e eficaz da dor. Será preciso mudar o conhecimento e o comportamento dos profissionais de saúde e pacientes e obter um compromisso por parte de legisladores. O sucesso dependerá de uma atitude positiva e do compromisso de cada parte através do desenvolvimento de políticas e programas e da promoção de um sistema mais eficiente e eficaz para a prestação de serviços para a DAPO, como recomendado pelos autores deste trabalho. O grupo que as redigiu acredita que a aplicação dessas recomendações deve melhorar de modo significativo a eficiência e eficácia do controle da dor no período pós-operatório na América Latina.

PALAVRAS CHAVE
Dor aguda no pós-operatório; Controle da dor; América Latina; Dor crônica

Introduction

Post-operative pain affects millions of patients world-wide. Pain itself is a highly subjective experience with multiple dimensions. Basically, it is whatever the experiencing person says it is, existing whenever they say it does.11 American Pain Society. Principles of analgesic use in the treatment of acute pain and cancer pain. sixth ed. Glenview, IL: American Pain Society; 2008.,22 McGuire DB. The multiple dimensions of cancer pain: a framework for assessment and management. In: McGuire DB, Yarbro CH, Ferrell BR, editors. Cancer pain management. 2nd ed. Boston, MA: Jones & Bartlett; 1995. p. 1-17. Despite this simple and straightforward definition there continues to be barriers to effective pain management. Moreover, it is well-known that poor post-operative pain management not only delays recovery and results in excess morbidity and mortality, but can lead to the development of a chronic pain state which further increases morbidity.33 Harsoor S. Emerging concepts in post-operative pain management. Indian J Anaesth. 2011;55:101-3.

Many health professionals unfortunately believe that pain is a natural, inevitable, acceptable and harmless consequence of surgery. Common reasons cited for poor pain management include inadequate staff training and knowledge, poor pain assessment, unfamiliarity with the benefits and adverse effects of pain medications and a misguided belief that since post-surgical pain is often temporary and all humans experience pain in life, everyone must "grin and bear it". Insufficient or inappropriate post-operative pain management is, therefore, a significant problem in clinical practice, but the problem is not at all insurmountable and can be rectified at both the provider and patient level.44 Zuccaro SM, Vellucci R, Sarzi-Puttini P, et al. Barriers to pain management: focus on opioid therapy. Clin Drug Invest. 2012;32(Suppl. 1):11-9.

Methods

To aid policymakers and regulatory authorities in better understanding the challenges of effective Acute Post-Operative Pain (APOP) management, specifically in Latin America, the Americas Health Foundation convened a group of Latin American experts on anesthesiology, surgery and pain to develop recommendations that will lead to more efficient and effective pain management.

A comprehensive literature search was performed querying Pub Med, Embase and Scielo for articles related to post-operative pain management in general and post-operative pain management in Latin America. The objective of this paper is to call attention to the problems associated with APOP and to suggest recommendations for their resolution. The authors structured this paper as a response to a series of questions related to the topic. The entire research and writing process was completely independent of any input from the financial sponsor of the effort.

Results

What is the current state of Acute Post-Operative Pain (APOP) management in Latin America and what aspects should receive priority attention?

Pain throughout history has been considered a problem by all its implications. Although in ancient times it was considered an inevitable part of life, today, with the advent of many therapeutic analgesics, APOP should be adequately alleviated. However, this is not the case in Latin America.55 Kopf A, Patel NB. Guide to pain management in low-resource settings. Washington, USA: International Association for the Study of Pain (IASP); 2010. p. 3-7. Despite recent advances in our understanding of the pathophysiology of pain and more widespread use of minimally invasive surgical techniques, pain after surgical procedures remains a challenge for most physicians.

Pain is very personal and multifactorial. It evokes unpleasant sensations and emotions and is influenced by multiple factors such as: cultural beliefs and values, previous experiences of pain, mood and the coping ability of each individual.66 Macintyre PE, Schug SA, Scott DA, et al. Acute pain management: scientific evidence. 3rd ed. Melbourne, Australia: Australian and New Zealand College of Anaesthetists and Faculty of Pain Management; 2010. Uncontrolled APOP can produce serious adverse consequences such as increased morbidity and mortality, prolonged hospital stay, a delay in healing and recovery, patient dissatisfaction, anxiety, and a reduced likelihood of an early return to the activities of daily life.77 Vijayan R. Managing acute pain in the developing world. In: Ballantyne JC, editor. Pain clinical updates. Seattle, WA: IASP; 2011. p. 1-7 (3)XIX.,88 Calvache J, Guzman E, Gomez L, et al. Manual de práctica clínica basado en la evidencia: manejo de complicaciones posquirúrgicas. Rev Colomb Anestesiol. 2015;43:51-60. In addition, it is the main risk factor for chronic pain when intense post-operative pain has not been addressed appropriately.99 Kehlet H, Jensen TS, Wolf CJ. Persistent postsurgical pain risk factors revention. Lancet. 2006;367:1618-25.

10 Lange JF, Kaufmann R, Wijsmuller AR, et al. An international consensus algorithm for management of chronic postoperative inguinal pain. Hernia. 2015;19:33-43.
-1111 Wu CL, Raja SN. Treatment of acute postoperative pain. Lancet. 2011;377:2215-25. Another serious problem of uncontrolled APOP is the increased use of health resources and hospital costs.1111 Wu CL, Raja SN. Treatment of acute postoperative pain. Lancet. 2011;377:2215-25.,1212 Joshi GP, Ogunnaike BO. Consequences of inadequate postoperative pain relief and chronic persistent postoperative pain. Anesthesiol Clin N Am. 2005;23:21-36.

Although APOP is known to be a common occurrence following surgery, because of the limited number of published studies, the true extent of the problem in Latin America is unclear. It is likely; however, that in recent decades there has been no discernable change in the prevalence of post-operative pain. Moderate to severe pain is present in the vast majority of post-operative patients.1313 Correll DJ, Vlassakov KV, Kissin I. No evidence of real progress in treatment of acute pain, 1993-2012: scientometric analysis. J Pain Res. 2014;7:199-210. Pain is also a common cause of post-surgical hospital readmission.1111 Wu CL, Raja SN. Treatment of acute postoperative pain. Lancet. 2011;377:2215-25.,1212 Joshi GP, Ogunnaike BO. Consequences of inadequate postoperative pain relief and chronic persistent postoperative pain. Anesthesiol Clin N Am. 2005;23:21-36.

There has been no epidemiological study on the problem of APOP for all of Latin America (LA). Recently, a small survey was performed at a teaching hospital in Brazil and post-operative pain was present in 48% of the surgical patients.1414 Ribeiro SBF, Pinto JCP, Ribeiro JB, et al. Pain management at inpatient wards of a university hospital. Braz J Anesth. 2012;62:605-11. Likewise, a cross-sectional study done in Colombia showed that pain was present 4 h after surgery in 51% of the cases. Overall, 30% of post-surgical patients stated that they experienced severe pain.1515 Machado-Alba JE, Machado-Duque ME, Florez VC, et al. ¿Estamos controlando el dolor posquirúrgico?. Rev Colomb Anestesiol. 2013;41:132-8. Three other studies in Colombia showed a prevalence of APOP between 22% and 69%.1616 Cadavid AM, Mendoza JM, Gómez ND, et al. Prevalencia de dolor agudo posoperatorio y calidad de la recuperación en el Hospital Universitario San Vicente de Paul, Medellín, Colombia 2007. Iatreia. 2009;22:11-5.

17 Cadavid AM, González JS, Mendoza JM, et al. Impact of a clinical pathway for relieving severe post-operative pain at a University Hospital in South America. J Anesthesiol Clin Sci. 2013;2:31.
-1818 Cardona E, Castaño ML, Builes AM, et al. Management of postsurgical pain in Hospital Universitario San Vicente de Paul. Medellin Rev Colomb Anestesiol. 2003;31:111-7. In Chile, a study showed that up to 59% of patients had at least moderate pain after surgery.1919 Rico MA, Veitl S, Buchuck D, et al. Evaluación de un programa de dolor agudo: Eficacia, seguridad y percepción de la atención por parte de los pacientes. Experiencia Clínica Alemana, Santiago - Chile. Rev Chil Anest. 2013;42:145-56. A study in Mexico found that in 97% of respondents experiencing acute pain after surgery, most reported moderate to severe pain; 60% reported that the pain interfered with their work activities; 55% reported the pain affected their mood, and 57% reported that it interfered with sleep.2020 Guevara-López U, Córdova-Domínguez JA, Tamayo-Valenzuela A, et al. Desarrollo de los parámetros de práctica para el manejo del dolor agudo. Rev Mex Anest. 2004;27:200-4. All these studies, albeit conducted in specific locales, suggest that the prevalence APOP is high throughout Latin America. Of note, these outcomes were similar to one found in a national survey done in the United States that concluded that moderate to severe post-operative pain affected 40-60% of patients.2121 Apfelbaum JL, Chen C, Mehta SS, et al. Postoperative pain experience: results from a national survey suggest postoperative pain continues to be undermanaged. Anesth Analg. 2003;97:534-40.

Many factors are responsible for influencing the high prevalence of APOP in Latin America. These include inadequate education of health professionals and patients on many aspects of pain management.2222 Taylor A, Stanbury L. A review of postoperative pain management and the challenges. Curr Anaesth Crit Care. 2009;20:188-94.,2323 Samaraee A, Rhind G, Saleh U, et al. Factors contributing to poor post-operative abdominal pain management in adult patients: a review. Surgeon. 2010;8:151-8. Also, the absence of policies that make it difficult for some medications to be incorporated into a formulary, or be readily available, and the cost of technology used to provide pain treatment is sometimes problematic.2424 Soyannwo OA. Obstacles to pain management in low-resource settings. In: Kopf A, Patel NB, editors. Guide to pain management in low-resource settings. Washington, USA: IASP; 2010. p. 9-13. Studies have also shown that nurses and doctors tend to overestimate the potential of opioid addiction (or their side effects such as respiratory depression) so they prescribe lower doses and longer intervals between doses, thereby resulting in sub-optimal control of APOP.1717 Cadavid AM, González JS, Mendoza JM, et al. Impact of a clinical pathway for relieving severe post-operative pain at a University Hospital in South America. J Anesthesiol Clin Sci. 2013;2:31.,2525 Grinstein-Cohen O, Sarid O, Attar D, et al. Improvements and difficulties in postoperative pain management. Orthop Nurs. 2009;28:232-9.

There are no national health policies or guidelines for the management of APOP in Latin America. Nonexistent or not followed local treatment guidelines, along with the absence of indicators of effective pain management are common. The latter has resulted in the absence of the ability to evaluate pain management programs and outcomes.1111 Wu CL, Raja SN. Treatment of acute postoperative pain. Lancet. 2011;377:2215-25.,1616 Cadavid AM, Mendoza JM, Gómez ND, et al. Prevalencia de dolor agudo posoperatorio y calidad de la recuperación en el Hospital Universitario San Vicente de Paul, Medellín, Colombia 2007. Iatreia. 2009;22:11-5.,2626 Martínez AL, Rodríguez N. Dolor Postoperatorio: Enfoque procedimiento-específico. Rev Cienc Biomed. 2012;3:360-72. All these factors contribute to the relative lack of acute pain management services in health care settings in the Region.

Even within a country, there are major variations in pain management services. Access to health resources is clearly different between large cities and small towns. Economic resources are concentrated in major cities that also house the majority of the population. Generally, only large cities have health institutions with the ability to provide "state of the art" APOP. Pain management services are frequently very different in public versus private hospitals; pain services in the former are frequently less available and/or less comprehensive.

Specific recommendations

  1. Each country in the Region should constitute a government sponsored Task Force to design and implement nationwide epidemiologic research on the prevalence of post-operative pain and the extent of unsatisfactory pain management.

  2. The government of each country should establish an office or department of pain management so as to create visibility and legitimacy for the subject, establish clear and realistic goals for the country and have a dedicated budget to fund nation-wide activities.

  3. Every hospital in the Region should conduct periodic surveys on the state of pain management in their institution.

How can health professional awareness, knowledge and attitudes be improved so that post-operative pain management is a medical priority?

Although it is understood that post-operative pain control is essential to attain high-quality patient care, failure to understand and appreciate the adverse consequences of pain and its sequelae, has led healthcare providers to lower effective analgesia to a secondary consideration.2727 Chaves LD, Pimenta CAM. Postoperative pain control: comparison among analgesic methods. Rev Lat Am Enfermagem. 2003;11:215-9. Even professionals with some knowledge of pain evaluation and management, often have unfounded concerns about the side effects of analgesics or fears of addiction, and consequently do not make full use of pain medication.2424 Soyannwo OA. Obstacles to pain management in low-resource settings. In: Kopf A, Patel NB, editors. Guide to pain management in low-resource settings. Washington, USA: IASP; 2010. p. 9-13.,2828 Macpherson C, Aarons D. Overcoming barriers to pain relief in the Caribbean. Dev World Bioethics. 2009;9:99-104.,2929 Lim R. Improving cancer pain management in Malaysia. Oncology. 2008;74(Suppl. 1):24-34. Also, during the post-operative period, if the health care team is not attuned to actively accessing the level of pain experienced by the patient, then appropriate treatment might be delayed.

The cornerstone to resolve these problems throughout Latin America is education.3030 Bond M. A decade of improvement in pain education and clinical practice in developing countries: IASP initiatives. Br J Pain. 2012;6:81-4. To start, an examination of the curriculum in major Latin American medical schools reveals that the study of pain and its management is deficient. In a survey done by the International Association for the Study of Pain (IASP), 86% of all health professional respondents in Latin America believed that undergraduate education and training in pain management is inadequate.3131 Bond M, Acuna Mourin M, Barros N, et al. Education and training for pain management in developing countries: a report by the IASP Developing Countries Taskforce. Seattle: IASP Press; 2007. Medical students are usually exposed to this knowledge in a fragmented and unfocused manner, which leads students to understand pain merely as a symptom that should be approached as an inevitable and uncontrollable consequence of the surgical procedure.2424 Soyannwo OA. Obstacles to pain management in low-resource settings. In: Kopf A, Patel NB, editors. Guide to pain management in low-resource settings. Washington, USA: IASP; 2010. p. 9-13. Even in countries that do offer specific and directed education on pain management, these are offered as optional classes (e.g. Chile),3232 Pontificia Universidad Católica de Chile. Licenciatura en Medicinia y Título Profesional de Médico-Cirujano; 2014. Available at: http://www6.uc.cl/dara/carreras/MALLAS/ciencias/m_medicina14.html [accessed 26.03.15].
http://www6.uc.cl/dara/carreras/MALLAS/c...
or as extra-curricular activities (e.g. Pain Leagues supported by the Brazilian Society for the Study of Pain).3333 Sociedade Brasileira para o Estudo da Dor. Ligas de Dor. Ligas da Dor; 2014. Available at: http://www.dor.org.br/ligas-da-dor [accessed 26.03.15].
http://www.dor.org.br/ligas-da-dor...
In Latin America, a more structured view of pain management is taught in some residency programs albeit usually in an incomplete fashion.

Another approach to bringing greater awareness of the need and value of pain management is the concept of addressing pain as a "5th vital sign," which was initially promoted by the American Pain Society in order to bring attention to pain treatment among healthcare professionals.3434 Kerns RD, Wasse L, Ryan B, et al. Pain as the 5th vital sign toolkit. Washington, DC: Veterans Health Administration; 2000. The notion that pain should be addressed with the same degree of vigilance and treatment as blood pressure, heart rate, temperature and respiratory rate, has been the subject of a few studies, albeit with disappointing results. One study showed that pain as the 5th vital sign achieved low accuracy when performed by nurses on a daily basis.3535 Lorenz KA, Sherbourne CD, Shugarman LR, et al. How reliable is pain as the fifth vital sign?. J Am Board Fam Med. 2009;22:291-8. A second study showed that regardless of the pain scores documented, no benefit of pain control was achieved. Of the patients that had their pain documented in the medical record, 32% still experienced significant pain, and half of those patients did not receive a new prescription for pain alleviation.3636 Mularski RA, White-Chu F, Overbay D, et al. Measuring pain as the 5th vital sign does not improve quality of pain management. J Gen Intern Med. 2006;21:607-12. It is clear that it is not enough to simply ask patients about their pain and then record the finding in a chart. It is imperative that the next step be taken which is effective pain management. Recently, this approach has been emphasized. That is, caregivers should refocus their efforts on pain control rather than consider documentation the only outcome of interest.3737 Nworah U. From documentation to the problem: controlling postoperative pain. Nurs Forum. 2012;47:91-9.

It should go without mention that the implementation of protocols at the time of pre-surgical evaluation are important, including documentation of the history of pain, the presence of predictors of pain, and analgesic requirements. A pain management strategy should be developed for all patients undergoing surgery. Factors that can influence this strategy are the type of surgery, intensity of the expected post-operative pain, associated clinical conditions, the risk-benefit of available analgesic techniques, patient preferences and their previous experiences with pain or analgesics. A plan of treatment should be established according to guidelines and protocols.2626 Martínez AL, Rodríguez N. Dolor Postoperatorio: Enfoque procedimiento-específico. Rev Cienc Biomed. 2012;3:360-72.,3838 Guevara-López U, Covarrubias-Gómez A, Cabrera RR, et al. Practice parameters for pain management in Mexico. Cir Ciruj. 2007;75:379-99.,3939 Kehlet H, Wilkinson RC, Fischer HBJ, et al. PROSPECT: evidence-based, procedure-specific postoperative pain management. Best Pract Res Clin Anaesthesiol. 2007;21:149-59. Multidisciplinary teamwork is essential for such protocols and guidelines to be successful and although this approach has been advocated for decades, it is still uncommon today in Latin America.2525 Grinstein-Cohen O, Sarid O, Attar D, et al. Improvements and difficulties in postoperative pain management. Orthop Nurs. 2009;28:232-9. Ideally, this strategy should be part of the institution's patient care plan.

A comprehensive pain management strategy should include the following steps: (1) pre-anesthetic evaluation to identify factors for the inclusion or exclusion of a given technique or pharmaceutical; (2) selection of the analgesia; (3) patient informed consent; (4) patient education to avoid anxiety and unrealistic expectations regarding post-operative pain; (5) consultation with the anesthesiologist to adapt the analgesia technique to the intra-operative period; (6) post-operative follow-up, and (7) periodic evaluation of the success of pain management and the possibility of modifications based on the patient's response.3939 Kehlet H, Wilkinson RC, Fischer HBJ, et al. PROSPECT: evidence-based, procedure-specific postoperative pain management. Best Pract Res Clin Anaesthesiol. 2007;21:149-59.

40 Warfield CA, Kahn CH. Acute pain management. Programs in U.S. hospitals and experiences and attitudes among U.S. adults. Anesthesiology. 1995;83:1090-4.
-4141 Devine EC. Effects of psychoeducational care for adult surgical patients: a meta-analysis of 191 studies. Patient Educ Couns. 1992;19:129-42.

Anesthesiologists and other professionals involved in treating post-operative pain should use readily available evaluation and documentation instruments focusing on the pain at rest and upon movement, treatment results and side effects potentially caused by pain treatment. The Numeric Pain Scale (0 no pain and 10 the most intense pain possible) is easy to understand and apply, although it may not accurately reflect the complexity of the symptom.4242 Hartrick CT, Kovan JP, Shapiro S. The numeric rating scale for clinical pain measurement: a ratio measure?. Pain Pract. 2003;3:310-6. Simpler scales can also be used, such as those using human faces. For patients with cognitive impairments, such as dementia or learning disabilities, behavioral measures and physiological responses to pain can be utilized.4343 Manz BD, Mosier R, Nusser-Gerlach MA, et al. Pain assessment in the cognitively impaired and unimpaired elderly. Pain Manag Nurs. 2000;1:106-15.

There is substantial evidence indicating that the introduction of an Acute Pain Service (APS), which includes the development of treatment guidelines, leads to the improved treatment of pain. The concept of a formal APS was first suggested by Ready in 1988 as an anesthesiology-based post-operative pain management service.4444 Upp J, Kent M, Tighe PJ. The evolution and practice of acute pain medicine. Pain Med. 2013;14:124-44. The APS assumes responsibility for the management of post-operative pain, health professional training, the development of guidelines and processes for the documentation of pain, patient education and information materials, and performance criteria for evaluation, as well as the conduct of audits.4545 Kishore K, Agarwal A, Gaur A. Acute pain service. Saudi J Anaesth. 2011;5:123-4. APS are designed to provide optimal pain management for every surgical patient, including children and outpatients, as well as the regular review of the institution's pain management policies and practices.

The APS is led by anesthesiologists, with expertise in the pre-operative, intra-operative and post-operative phases of pain management. Anesthesiologists, who are considered perioperative specialists, are also optimally positioned throughout the hospitalization period to serve as liaisons with consulting medical and surgical services. For an APS to operate effectively and achieve its full potential, active collaboration is necessary between the departments of anesthesiology, surgery, medicine, acute pain management teams and the post-surgical nursing staff.4646 White PF, Kehlet H. Improving postoperative pain management: what are the unresolved issues?. Anaesthesiology. 2010;112:220-5.

Since 1995, the American Society of Anesthesiologists (ASA)4747 Practice guidelines for acute pain management in the perioperative setting: an updated report by the American Society of Anesthesiologists Task Force on Acute Pain Management. Anesthesiology. 2012;116:248-73. has periodically convened a group of experts that develop and update practice guidelines related to pain management. These guidelines can serve as the basis of APOP management in Latin America. Other initiatives that may be useful have been conducted by the PROSPECT Working Group4848 Joshi GP, Neugebauer EA. Evidence-based management of pain after haemorrhoidectomy surgery. Br J Surg. 2010;97:1155-68.

49 Joshi GP, Rawal N, Kehlet H, et al. Evidence-based management of postoperative pain in adults undergoing open inguinal hernia surgery. Br J Surg. 2012;99:168-85.

50 Joshi GP, Bonnet F, Kehlet H. Evidence-based postoperative pain management after laparoscopic colorectal surgery. Colorectal Dis. 2013;15:146-55.

51 Joshi GP, Kehlet H. Procedure-specific pain management: the road to improve postsurgical pain management?. Anesthesiology. 2013;118:780-2.
-5252 Joshi GP, Schug SA, Kehlet H. Procedure-specific pain management and outcome strategies. Best Pract Res Clin Anaesthesiol. 2014;28:191-201. and the Australian and New Zealand College of Anaesthetists,66 Macintyre PE, Schug SA, Scott DA, et al. Acute pain management: scientific evidence. 3rd ed. Melbourne, Australia: Australian and New Zealand College of Anaesthetists and Faculty of Pain Management; 2010. among others. The ASA guidelines and other initiatives do not include medical literature written in Spanish or Portuguese, and may not include medications (e.g. dipyrone or metamizol) that have been used safely for many years in Latin America and are a fundamental part of the Regional armamentarium for the management of acute pain. Thus, derivative documents relevant to Latin America may have to be written, in part, to reflect the characteristics of the Region.

Specific Recommendations

  1. Comprehensive pain management education should be included in the curricula of all medical and nursing schools and in the examination of undergraduate and postgraduate health care professionals. Pain management should also be routinely incorporated into continuing educational programs.2424 Soyannwo OA. Obstacles to pain management in low-resource settings. In: Kopf A, Patel NB, editors. Guide to pain management in low-resource settings. Washington, USA: IASP; 2010. p. 9-13.

  2. All hospitals and clinics in the Region that perform in and out patient surgery must have an APS.

  3. All hospitals and clinics should develop and implement procedure-specific, evidenced-based pain management guidelines and protocols for the perioperative period.4646 White PF, Kehlet H. Improving postoperative pain management: what are the unresolved issues?. Anaesthesiology. 2010;112:220-5.

How can patient knowledge be improved so that post-operative pain is minimized?

Patients may have a poor understanding of their medical condition and may expect to have post-surgical pain, which they think has to be endured as an inevitable part of their surgery.2424 Soyannwo OA. Obstacles to pain management in low-resource settings. In: Kopf A, Patel NB, editors. Guide to pain management in low-resource settings. Washington, USA: IASP; 2010. p. 9-13. Therefore, patient and family education efforts must include conveying the advantages of using analgesia, an attempt to mitigate the fear of taking analgesics, and cost considerations. Patients should be informed about all existing therapeutic possibilities to treat surgical pain, as well as potential risks of the methods used. It is important to emphasize that aggressive pain treatment is key because the consequences of poorly managed acute pain are often greater than the risk of adverse side effects from pain medication itself. Patients should be encouraged to report pain using an appropriate instrument.5353 Cogan J, Schaffer GV, Ouimette MF, et al. Transforming the concept of "state of the art" into "real pain relief" for patients after cardiac surgery - a combined nursing-anesthesia initiative. J Pain Relief. 2014;3:4. Patients and their families should be allowed to actively participate in all pain management decisions, which will likely result in better pain management and improved patient satisfaction.1616 Cadavid AM, Mendoza JM, Gómez ND, et al. Prevalencia de dolor agudo posoperatorio y calidad de la recuperación en el Hospital Universitario San Vicente de Paul, Medellín, Colombia 2007. Iatreia. 2009;22:11-5.,2222 Taylor A, Stanbury L. A review of postoperative pain management and the challenges. Curr Anaesth Crit Care. 2009;20:188-94.,3838 Guevara-López U, Covarrubias-Gómez A, Cabrera RR, et al. Practice parameters for pain management in Mexico. Cir Ciruj. 2007;75:379-99. The information must be clear and given verbally and written and it is necessary to respect different cultures, ethnicities as well as the values and beliefs of each patient.2525 Grinstein-Cohen O, Sarid O, Attar D, et al. Improvements and difficulties in postoperative pain management. Orthop Nurs. 2009;28:232-9.

Patient education materials range from a simple booklet or manual to educational videos.5454 Ibrahim MS, Khan MA, Nizam I, et al. Peri-operative interventions producing better functional outcomes and enhanced recovery following total hip and knee arthroplasty: an evidence-based review. BMC Med. 2013;11:37. A patient's expectations should be considered. If audiovisual and written materials are created in Spanish and Portuguese they can be shared across countries and thereby become efficient tools to facilitate the education process, and also facilitate Regional standardization of pain management.

One of the fundamental bases for all pain control initiatives throughout the world has been the Declaration of Montreal (DM).5555 International Pain Summit Of The International Association For The Study Of Pain. Declaration of Montréal: declaration that access to pain management is a fundamental human right. J Pain Palliat Care Pharmacother. 2011;25:29-31. This document resulted from a combined effort of a wide range of health professionals, human rights organizations and others. It resulted from initial input by IASP Chapters in 130 countries, following an in-depth process culminating in an International Pain Summit, which also harnessed a wide range of input. The DM supports the right of all people to have access to pain management without discrimination, the right of people in pain to acknowledge their pain and to be informed about how it can be assessed and managed, and the right of all people with pain to have access to appropriate assessment and treatment by adequately trained health professionals. Failure to offer such pain management is a breach of the patient's human rights.5555 International Pain Summit Of The International Association For The Study Of Pain. Declaration of Montréal: declaration that access to pain management is a fundamental human right. J Pain Palliat Care Pharmacother. 2011;25:29-31.

Once health caregivers embrace the idea that all patients have a right to be treated for pain, a secondary benefit is that these professionals will have a better overall appreciation of pain management. And then, through medical education, health professionals will be able to acquire the necessary knowledge to provide appropriate treatment.

Specific Recommendations

  1. All hospitals should develop policies and procedures whereby all patients undergoing surgery will be assured of learning about pain management in the entire perioperative period.

  2. All hospitals should distribute written materials to patients prior to surgery that address the value of pain management and other relevant issues. The topic must also be discussed verbally with the patient by a member of the APS.

What is the role of government and NGOs to support the improvement of the delivery of effective pain management?

A few years ago, the Economic Commission for Latin America and the Caribbean (ECLAC) found many deficiencies in the provision of health care services, including: lack of equity and efficiency of health systems, limited access to services, poor quality and inefficiency of services, insufficient management capacity, and deficiencies in monitoring and control processes.5656 Arriagada I, Aranda V, Miranda F. Políticas y Programas de Salud en América Latina: problemas y propuestas. Serie Políticas Sociales Nº 114. Santiago de Chile: Comisión Económica para América Latina y El Caribe (CEPAL). United Nations; 2005. Some of these deficiencies could contribute to the poor management of APOP in Latin America. Moreover, constrained national healthcare budgets limit the allocation of human, technological and institutional infrastructure resources to essential health services. The lack of policies prioritizing pain control within national health plans hinders the implementation of comprehensive nation-wide pain control programs.2424 Soyannwo OA. Obstacles to pain management in low-resource settings. In: Kopf A, Patel NB, editors. Guide to pain management in low-resource settings. Washington, USA: IASP; 2010. p. 9-13.

One of the major issues related to the incomplete provision of optimal APOP management is the manner by which countries make available opioids for the treatment of pain. Despite their recognized effectiveness, oftentimes, opioids are not freely available due to the sometimes high cost of opioid therapy and restrictive laws based on fear of misuse and abuse. For instance, in 2011 the United States alone accounted for 55% of global opioid consumption and the combination of North America and Europe accounted for 89%. In contrast, Latin America accounted for around 1% of the world's opioid consumption, indicating inadequate availability of opioid analgesics in the Region.5757 Seya MJ, Gelders SF, Achara OU, et al. A first comparison between the consumption of and the need for opioid analgesics at country, regional, and global levels. J Pain Palliat Care Pharmacother. 2011;25:6-18.

58 Pain and Policy Studies Group. Availability of Opioid Analgesics in Latin America and the World. Madison, Wisconsin, USA: University of Wisconsin Pain & Policy Group/WHO Collaborating Center for Policy and Communications in Cancer Care; 2002. Prepared for: 1st Congress of the Latin American Association of Palliative Care, 7th Latin American course on medicine and palliative care; Guadalajara, Mexico: 20-22 March 2002. 59

59 Joranson DE. Improving availability of opioid pain medications: testing the principle of balance in Latin America. J Palliat Med. 2004;7:105-15.
-6060 Ryan K, De Lima L, Maurer M. Disponibilidad, Acceso y Políticas Sanitarias en Medicamentos Opioides en Latinoamérica. In: Bonilla P, De Lima L, Díaz P, et al., editors. Uso de Opioides en Tratamiento del dolor. Manual para Latinoamérica. Caracas: IAHPC; 2011. p. 20-41. This makes the implementation of effective treatment guidelines difficult in countries without easily accessible opioids.6161 World Health Organization. Medicine: access to controlled medicines (narcotic and psychotropic substances); June 2010. Available at: http://www.who.int/mediacentre/factsheets/fs336/en/ [accessed 26.03.15].
http://www.who.int/mediacentre/factsheet...

In order to reduce the gap in developing, or resource limited, countries between the increasingly sophisticated knowledge of pain and its treatment and the effective application of that knowledge, many initiatives have begun. In 2000, the WHO published a guideline manual entitled "Achieving Balance in National Opioids Control Policy".6262 World Health Organization. Narcotic and psychotropic drugs: achieving balance in national opioids control policy: guidelines for assessment. Geneva: World Health Organization; 2000. WHO/EDM/QSM/2000.4. The IASP formed the Developing Countries Task Force in 2007 that later developed the "Guide to Pain Management in Low-Resource Settings" in 2009.55 Kopf A, Patel NB. Guide to pain management in low-resource settings. Washington, USA: International Association for the Study of Pain (IASP); 2010. p. 3-7. In addition, IASP has formed a special interest group on acute pain. The DM6363 IASP. Declaration of Montreal declaration that access to pain management is a fundamental human right; March 17, 2015. Available at: http://www.iasp-pain.org/DeclarationofMontreal?navItemNumber=582 [accessed26.03.15].
http://www.iasp-pain.org/DeclarationofMo...
reviews the responsibility of governments and health care providers. Finally, the ASA developed "Practice Guidelines for Acute Pain Management in the Perioperative Setting."4747 Practice guidelines for acute pain management in the perioperative setting: an updated report by the American Society of Anesthesiologists Task Force on Acute Pain Management. Anesthesiology. 2012;116:248-73. In all these documents, governments, within the legal limits of their authority and taking into account available health care resources, have been asked to establish laws, policies, and systems that will help promote the access of people in pain to fully adequate pain management.3131 Bond M, Acuna Mourin M, Barros N, et al. Education and training for pain management in developing countries: a report by the IASP Developing Countries Taskforce. Seattle: IASP Press; 2007. For all these actions to be fully realized, government authorities must be educated on the consequences of the lack of APOP management, which ultimately translates into more extended hospital stays, higher health care costs and greater morbidity and mortality.

Latin American chapters of the IASP can also promote pain education with seminars, workshops, and conferences in their respective countries.77 Vijayan R. Managing acute pain in the developing world. In: Ballantyne JC, editor. Pain clinical updates. Seattle, WA: IASP; 2011. p. 1-7 (3)XIX. The IASP supports the view that every nation should have policies on the management of pain that describe the burden of pain, its impact, and what should be done in terms of policy interventions to reduce these problems. The IASP has also developed recommendations for the core elements of any national pain strategy.6464 IASP. Desirable characteristics of national pain strategies; October 20, 2014. Available at: www.iasp-pain.org/DCNPS?navItemNumber=655 [accessed 26.03.15].
www.iasp-pain.org/DCNPS?navItemNumber=65...
Recommendations by the IASP include obtaining evidence on countries’ burden of pain through health surveys targeted toward pain, pain management and its adverse consequences. The data collected can serve as a useful baseline from which to measure the impact of any interventions introduced and to inform new national pain management strategies.6565 Elliott AM, Smith BH, Penny KI, et al. The epidemiology of chronic pain in the community. Lancet. 1999;354:1248-52. The IASP also recommends gathering information on access to care, forming a broad coalition of stakeholders, and developing government policies on pain services that establish goals for improvement and a clear plan with timelines to achieve strategic actions. Although the IASP paper is oriented to chronic pain, it can be modified to address the treatment of APOP. The desirable characteristics of a national APOP strategy are shown in Table 1, that the authors adapted from IASP recommendations related to pain management.6464 IASP. Desirable characteristics of national pain strategies; October 20, 2014. Available at: www.iasp-pain.org/DCNPS?navItemNumber=655 [accessed 26.03.15].
www.iasp-pain.org/DCNPS?navItemNumber=65...

Table 1
The desirable characteristics of a national postoperative pain strategy (modified from Table on National Pain Strategies developed by IASP, 2011).

Given the special characteristics of the Latin American Region, government strategies must be accessible to the entire population. Accessible health services are those that are physically available, affordable (economic accessibility), appropriate and acceptable. Health services can be inaccessible if providers do not acknowledge and respect cultural factors, physical and economic barriers, or if the community is not aware of available services.6666 Porter ME, Lee TH. The strategy that will fix health care; October 1, 2013. Available at: https://hbr.org/2013/10/the-strategy-that-will-fix-health-care/ [accessed 26.03.15].
https://hbr.org/2013/10/the-strategy-tha...
Cross-cultural miscommunication between patients and health professionals may exist and should be documented to develop the necessary range of strategies to overcome these issues.

Specific Recommendations

  1. All countries in the region should develop a national, post-operative pain strategy.

  2. Hospitals and clinics that perform surgery should develop and make accessible relevant materials, become aware of new developments in the field of pain management, and have a source of expert advice and guidance in APOP.

  3. All governments should re-examine their laws, policies and regulations related to the availability of opioids. These therapeutics must be readily accessible to health professionals for pain management.

Can pain management be standardized throughout the Region? If so, what might be the initial steps?

Although the problems of the Region are sometimes addressed as if Latin America were a single country, a major characteristic of this part of the world is the heterogeneity of the countries. Latin America is composed of many countries whose cultural, economic and political features differ greatly from one another and, perhaps more importantly, do not share a common health system and have highly variable or non-existent APOP policies. The emphasis of health care in the Region has mainly focused on public health, particularly malnutrition, control of infectious diseases, childhood immunization and the provision of clean water. Thus, pain management - whether acute or chronic - has been given a low priority.77 Vijayan R. Managing acute pain in the developing world. In: Ballantyne JC, editor. Pain clinical updates. Seattle, WA: IASP; 2011. p. 1-7 (3)XIX.

All that said, any Regional effort must take into account the differences between countries. A better understanding of the obstacles within each country and how pain management has been taught throughout Latin America may be a path to building Region-wide consensus. In addition, an effort to develop guidelines and policies on APOP management within a country may be the gateway toward Regional standardization. Finally, patient education principles and policies could perhaps be standardized across the Region and the desired outcomes (indicators) of successful APOP management may also be easily standardized.

Specific Recommendations

  1. An organization with an interest in pain management should constitute a region wide task force that begins work to standardize all aspects of APOP management in the Region. Funding for the work of the task force can come from a modest contribution from governments and/or the pharmaceutical industry. If the latter, there should be no work of the task force related to the use of any specific, branded therapeutic agent.

Conclusion

Effective post-operative pain management in Latin America requires a proactive approach. It will be necessary to change the knowledge and behavior of health professionals and patients, and to obtain a commitment of policy makers. Success will depend on a positive attitude and the commitment of each party through the development of policies, programs and the promotion of a more efficient and effective system for the delivery of APOP services. Proper pain management is a fundamental human right, not just an indicator of good clinical practice and quality health care.6767 Cousins MJ, Brennan F, Car DB. Pain relief: a universal human right. Pain. 2004;112(1-2):1-4.

  • ERRATUM

    In the article "Optimizing post-operative pain management in Latin America" [Rev Bras Anestesiol. 2017;67(4):395-403], where it reads Durval Campos Kraychette, it should read Durval Campos Kraychete. The online version of the article has already been corrected.

Acknowledgements

The authors wish to thank the Americas Health Foundation (Washington, D.C., United States) for its generous support in developing the conference.

References

  • 1
    American Pain Society. Principles of analgesic use in the treatment of acute pain and cancer pain. sixth ed. Glenview, IL: American Pain Society; 2008.
  • 2
    McGuire DB. The multiple dimensions of cancer pain: a framework for assessment and management. In: McGuire DB, Yarbro CH, Ferrell BR, editors. Cancer pain management. 2nd ed. Boston, MA: Jones & Bartlett; 1995. p. 1-17.
  • 3
    Harsoor S. Emerging concepts in post-operative pain management. Indian J Anaesth. 2011;55:101-3.
  • 4
    Zuccaro SM, Vellucci R, Sarzi-Puttini P, et al. Barriers to pain management: focus on opioid therapy. Clin Drug Invest. 2012;32(Suppl. 1):11-9.
  • 5
    Kopf A, Patel NB. Guide to pain management in low-resource settings. Washington, USA: International Association for the Study of Pain (IASP); 2010. p. 3-7.
  • 6
    Macintyre PE, Schug SA, Scott DA, et al. Acute pain management: scientific evidence. 3rd ed. Melbourne, Australia: Australian and New Zealand College of Anaesthetists and Faculty of Pain Management; 2010.
  • 7
    Vijayan R. Managing acute pain in the developing world. In: Ballantyne JC, editor. Pain clinical updates. Seattle, WA: IASP; 2011. p. 1-7 (3)XIX.
  • 8
    Calvache J, Guzman E, Gomez L, et al. Manual de práctica clínica basado en la evidencia: manejo de complicaciones posquirúrgicas. Rev Colomb Anestesiol. 2015;43:51-60.
  • 9
    Kehlet H, Jensen TS, Wolf CJ. Persistent postsurgical pain risk factors revention. Lancet. 2006;367:1618-25.
  • 10
    Lange JF, Kaufmann R, Wijsmuller AR, et al. An international consensus algorithm for management of chronic postoperative inguinal pain. Hernia. 2015;19:33-43.
  • 11
    Wu CL, Raja SN. Treatment of acute postoperative pain. Lancet. 2011;377:2215-25.
  • 12
    Joshi GP, Ogunnaike BO. Consequences of inadequate postoperative pain relief and chronic persistent postoperative pain. Anesthesiol Clin N Am. 2005;23:21-36.
  • 13
    Correll DJ, Vlassakov KV, Kissin I. No evidence of real progress in treatment of acute pain, 1993-2012: scientometric analysis. J Pain Res. 2014;7:199-210.
  • 14
    Ribeiro SBF, Pinto JCP, Ribeiro JB, et al. Pain management at inpatient wards of a university hospital. Braz J Anesth. 2012;62:605-11.
  • 15
    Machado-Alba JE, Machado-Duque ME, Florez VC, et al. ¿Estamos controlando el dolor posquirúrgico?. Rev Colomb Anestesiol. 2013;41:132-8.
  • 16
    Cadavid AM, Mendoza JM, Gómez ND, et al. Prevalencia de dolor agudo posoperatorio y calidad de la recuperación en el Hospital Universitario San Vicente de Paul, Medellín, Colombia 2007. Iatreia. 2009;22:11-5.
  • 17
    Cadavid AM, González JS, Mendoza JM, et al. Impact of a clinical pathway for relieving severe post-operative pain at a University Hospital in South America. J Anesthesiol Clin Sci. 2013;2:31.
  • 18
    Cardona E, Castaño ML, Builes AM, et al. Management of postsurgical pain in Hospital Universitario San Vicente de Paul. Medellin Rev Colomb Anestesiol. 2003;31:111-7.
  • 19
    Rico MA, Veitl S, Buchuck D, et al. Evaluación de un programa de dolor agudo: Eficacia, seguridad y percepción de la atención por parte de los pacientes. Experiencia Clínica Alemana, Santiago - Chile. Rev Chil Anest. 2013;42:145-56.
  • 20
    Guevara-López U, Córdova-Domínguez JA, Tamayo-Valenzuela A, et al. Desarrollo de los parámetros de práctica para el manejo del dolor agudo. Rev Mex Anest. 2004;27:200-4.
  • 21
    Apfelbaum JL, Chen C, Mehta SS, et al. Postoperative pain experience: results from a national survey suggest postoperative pain continues to be undermanaged. Anesth Analg. 2003;97:534-40.
  • 22
    Taylor A, Stanbury L. A review of postoperative pain management and the challenges. Curr Anaesth Crit Care. 2009;20:188-94.
  • 23
    Samaraee A, Rhind G, Saleh U, et al. Factors contributing to poor post-operative abdominal pain management in adult patients: a review. Surgeon. 2010;8:151-8.
  • 24
    Soyannwo OA. Obstacles to pain management in low-resource settings. In: Kopf A, Patel NB, editors. Guide to pain management in low-resource settings. Washington, USA: IASP; 2010. p. 9-13.
  • 25
    Grinstein-Cohen O, Sarid O, Attar D, et al. Improvements and difficulties in postoperative pain management. Orthop Nurs. 2009;28:232-9.
  • 26
    Martínez AL, Rodríguez N. Dolor Postoperatorio: Enfoque procedimiento-específico. Rev Cienc Biomed. 2012;3:360-72.
  • 27
    Chaves LD, Pimenta CAM. Postoperative pain control: comparison among analgesic methods. Rev Lat Am Enfermagem. 2003;11:215-9.
  • 28
    Macpherson C, Aarons D. Overcoming barriers to pain relief in the Caribbean. Dev World Bioethics. 2009;9:99-104.
  • 29
    Lim R. Improving cancer pain management in Malaysia. Oncology. 2008;74(Suppl. 1):24-34.
  • 30
    Bond M. A decade of improvement in pain education and clinical practice in developing countries: IASP initiatives. Br J Pain. 2012;6:81-4.
  • 31
    Bond M, Acuna Mourin M, Barros N, et al. Education and training for pain management in developing countries: a report by the IASP Developing Countries Taskforce. Seattle: IASP Press; 2007.
  • 32
    Pontificia Universidad Católica de Chile. Licenciatura en Medicinia y Título Profesional de Médico-Cirujano; 2014. Available at: http://www6.uc.cl/dara/carreras/MALLAS/ciencias/m_medicina14.html [accessed 26.03.15].
    » http://www6.uc.cl/dara/carreras/MALLAS/ciencias/m_medicina14.html
  • 33
    Sociedade Brasileira para o Estudo da Dor. Ligas de Dor. Ligas da Dor; 2014. Available at: http://www.dor.org.br/ligas-da-dor [accessed 26.03.15].
    » http://www.dor.org.br/ligas-da-dor
  • 34
    Kerns RD, Wasse L, Ryan B, et al. Pain as the 5th vital sign toolkit. Washington, DC: Veterans Health Administration; 2000.
  • 35
    Lorenz KA, Sherbourne CD, Shugarman LR, et al. How reliable is pain as the fifth vital sign?. J Am Board Fam Med. 2009;22:291-8.
  • 36
    Mularski RA, White-Chu F, Overbay D, et al. Measuring pain as the 5th vital sign does not improve quality of pain management. J Gen Intern Med. 2006;21:607-12.
  • 37
    Nworah U. From documentation to the problem: controlling postoperative pain. Nurs Forum. 2012;47:91-9.
  • 38
    Guevara-López U, Covarrubias-Gómez A, Cabrera RR, et al. Practice parameters for pain management in Mexico. Cir Ciruj. 2007;75:379-99.
  • 39
    Kehlet H, Wilkinson RC, Fischer HBJ, et al. PROSPECT: evidence-based, procedure-specific postoperative pain management. Best Pract Res Clin Anaesthesiol. 2007;21:149-59.
  • 40
    Warfield CA, Kahn CH. Acute pain management. Programs in U.S. hospitals and experiences and attitudes among U.S. adults. Anesthesiology. 1995;83:1090-4.
  • 41
    Devine EC. Effects of psychoeducational care for adult surgical patients: a meta-analysis of 191 studies. Patient Educ Couns. 1992;19:129-42.
  • 42
    Hartrick CT, Kovan JP, Shapiro S. The numeric rating scale for clinical pain measurement: a ratio measure?. Pain Pract. 2003;3:310-6.
  • 43
    Manz BD, Mosier R, Nusser-Gerlach MA, et al. Pain assessment in the cognitively impaired and unimpaired elderly. Pain Manag Nurs. 2000;1:106-15.
  • 44
    Upp J, Kent M, Tighe PJ. The evolution and practice of acute pain medicine. Pain Med. 2013;14:124-44.
  • 45
    Kishore K, Agarwal A, Gaur A. Acute pain service. Saudi J Anaesth. 2011;5:123-4.
  • 46
    White PF, Kehlet H. Improving postoperative pain management: what are the unresolved issues?. Anaesthesiology. 2010;112:220-5.
  • 47
    Practice guidelines for acute pain management in the perioperative setting: an updated report by the American Society of Anesthesiologists Task Force on Acute Pain Management. Anesthesiology. 2012;116:248-73.
  • 48
    Joshi GP, Neugebauer EA. Evidence-based management of pain after haemorrhoidectomy surgery. Br J Surg. 2010;97:1155-68.
  • 49
    Joshi GP, Rawal N, Kehlet H, et al. Evidence-based management of postoperative pain in adults undergoing open inguinal hernia surgery. Br J Surg. 2012;99:168-85.
  • 50
    Joshi GP, Bonnet F, Kehlet H. Evidence-based postoperative pain management after laparoscopic colorectal surgery. Colorectal Dis. 2013;15:146-55.
  • 51
    Joshi GP, Kehlet H. Procedure-specific pain management: the road to improve postsurgical pain management?. Anesthesiology. 2013;118:780-2.
  • 52
    Joshi GP, Schug SA, Kehlet H. Procedure-specific pain management and outcome strategies. Best Pract Res Clin Anaesthesiol. 2014;28:191-201.
  • 53
    Cogan J, Schaffer GV, Ouimette MF, et al. Transforming the concept of "state of the art" into "real pain relief" for patients after cardiac surgery - a combined nursing-anesthesia initiative. J Pain Relief. 2014;3:4.
  • 54
    Ibrahim MS, Khan MA, Nizam I, et al. Peri-operative interventions producing better functional outcomes and enhanced recovery following total hip and knee arthroplasty: an evidence-based review. BMC Med. 2013;11:37.
  • 55
    International Pain Summit Of The International Association For The Study Of Pain. Declaration of Montréal: declaration that access to pain management is a fundamental human right. J Pain Palliat Care Pharmacother. 2011;25:29-31.
  • 56
    Arriagada I, Aranda V, Miranda F. Políticas y Programas de Salud en América Latina: problemas y propuestas. Serie Políticas Sociales Nº 114. Santiago de Chile: Comisión Económica para América Latina y El Caribe (CEPAL). United Nations; 2005.
  • 57
    Seya MJ, Gelders SF, Achara OU, et al. A first comparison between the consumption of and the need for opioid analgesics at country, regional, and global levels. J Pain Palliat Care Pharmacother. 2011;25:6-18.
  • 58
    Pain and Policy Studies Group. Availability of Opioid Analgesics in Latin America and the World. Madison, Wisconsin, USA: University of Wisconsin Pain & Policy Group/WHO Collaborating Center for Policy and Communications in Cancer Care; 2002. Prepared for: 1st Congress of the Latin American Association of Palliative Care, 7th Latin American course on medicine and palliative care; Guadalajara, Mexico: 20-22 March 2002. 59
  • 59
    Joranson DE. Improving availability of opioid pain medications: testing the principle of balance in Latin America. J Palliat Med. 2004;7:105-15.
  • 60
    Ryan K, De Lima L, Maurer M. Disponibilidad, Acceso y Políticas Sanitarias en Medicamentos Opioides en Latinoamérica. In: Bonilla P, De Lima L, Díaz P, et al., editors. Uso de Opioides en Tratamiento del dolor. Manual para Latinoamérica. Caracas: IAHPC; 2011. p. 20-41.
  • 61
    World Health Organization. Medicine: access to controlled medicines (narcotic and psychotropic substances); June 2010. Available at: http://www.who.int/mediacentre/factsheets/fs336/en/ [accessed 26.03.15].
    » http://www.who.int/mediacentre/factsheets/fs336/en/
  • 62
    World Health Organization. Narcotic and psychotropic drugs: achieving balance in national opioids control policy: guidelines for assessment. Geneva: World Health Organization; 2000. WHO/EDM/QSM/2000.4.
  • 63
    IASP. Declaration of Montreal declaration that access to pain management is a fundamental human right; March 17, 2015. Available at: http://www.iasp-pain.org/DeclarationofMontreal?navItemNumber=582 [accessed26.03.15].
    » http://www.iasp-pain.org/DeclarationofMontreal?navItemNumber=582
  • 64
    IASP. Desirable characteristics of national pain strategies; October 20, 2014. Available at: www.iasp-pain.org/DCNPS?navItemNumber=655 [accessed 26.03.15].
    » www.iasp-pain.org/DCNPS?navItemNumber=655
  • 65
    Elliott AM, Smith BH, Penny KI, et al. The epidemiology of chronic pain in the community. Lancet. 1999;354:1248-52.
  • 66
    Porter ME, Lee TH. The strategy that will fix health care; October 1, 2013. Available at: https://hbr.org/2013/10/the-strategy-that-will-fix-health-care/ [accessed 26.03.15].
    » https://hbr.org/2013/10/the-strategy-that-will-fix-health-care/
  • 67
    Cousins MJ, Brennan F, Car DB. Pain relief: a universal human right. Pain. 2004;112(1-2):1-4.

Publication Dates

  • Publication in this collection
    Jul-Aug 2017

History

  • Received
    14 Feb 2016
  • Accepted
    26 Apr 2016
Sociedade Brasileira de Anestesiologia R. Professor Alfredo Gomes, 36, 22251-080 Botafogo RJ Brasil, Tel: +55 21 2537-8100, Fax: +55 21 2537-8188 - Campinas - SP - Brazil
E-mail: bjan@sbahq.org