Abstract
Introduction:
Breast cancer is the most common type of cancer among women. Treatments can lead to complications modifying upper limbs movement patterns and generating pain and functionality loss. Kinesiotherapy and myofascial reorganization (MR) have shown positive effects reducing chronic pain and improving upper limbs function. We hypothesize that these techniques can maximize results and reduce treatment time in clinical practice.
Objective:
To develop a study protocol to verify whether MR associated with kinesiotherapy is more effective than isolated kinesiotherapy to treat chronic pain and upper limb dysfunction in breast cancer survivors.
Methods:
Participants will be divided into two groups: intervention group (myofascial reorganization + kinesiotherapy) and sham group (traditional massage + kinesiotherapy). Six treatment sessions (once a week) and three-time assessment will occur. Instruments for assessing pain and functionality will be Visual Analogue Scale, Body Pain Diagram, Disabilities of the Arm, Shoulder and Hand Questionnaire, and goniometry. Statistical analysis will be conducted based on intention-to-treat analysis. To analyze the difference of means between groups, we will use T-Student or U Mann-Whitney test. Repeated measures ANOVA will be used to check treatments effects. Significance level for all tests will be 5%.
Conclusion:
We believe that the developed study protocol will show that MR associated with kinesiotherapy improve chronic pain and upper limbs functionality of breast cancer survivors.
Keywords:
Breast cancer; Chronic pain; Functionality; Manual therapy; Physiotherapy modalities
Resumo
Introdução:
O câncer de mama é o tipo de câncer mais comum entre as mulheres. Os tratamentos podem levar a complicações, modificando os padrões de movimento dos membros superiores e gerando dor e perda de funcionalidade. A cinesioterapia e a reorganização miofascial (RM) têm demonstrado efeitos positivos na redução da dor crônica e na melhora da função dos membros superiores. A hipótese do presente estudo é que essas técnicas podem maximizar os resultados e reduzir o tempo de tratamento na prática clínica.
Objetivo:
Desenvolver um protocolo para verificar se a RM associada à cinesioterapia é mais eficaz do que a cinesioterapia isolada no tratamento da dor crônica e disfunção do membro superior em sobreviventes de câncer de mama.
Métodos:
As participantes serão divididas em dois grupos: grupo intervenção (reorganização miofascial + cinesioterapia) e grupo sham (massagem tradicional + cinesioterapia). Serão realizadas seis sessões de tratamento (uma vez por semana) e três avaliações. Os instrumentos de avaliação da dor e da funcionalidade serão a Escala Visual Analógica, o Diagrama de Dor Corporal, o Questionário de Deficiências do Braço, Ombro e Mão e a goniometria. A análise estatística será realizada com base na análise de intenção de tratar. Para analisar a diferença de médias entre os grupos, serão utilizados o teste T-Student ou U Mann-Whitney. ANOVA de medidas repetidas será utilizada para verificar os efeitos dos tratamentos. O nível de significância para todos os testes será de 5%.
Conclusão:
Espera-se que a RM associada à cinesioterapia melhore a dor crônica e a funcionalidade dos membros superiores de sobreviventes de câncer de mama.
Palavras-chave:
Câncer de mama; Dor crônica; Funciona-lidade; Terapia manual; Modalidades de fisioterapia
Introduction
According to the World Health Organization (WHO), breast cancer is the most commonly diagnosed cancer.11 Sung H, Ferlay J, Siegel RL, Laversanne M, Soerjomataram I, Jemal A, et al. Global cancer statistics 2020: GLOBOCAN estimates of incidence and mortality worldwide for 36 cancers in 185 countries. CA Cancer J Clin. 2021;71(3):209-49. DOI
Breast cancer treatments can lead to several complica-tions: scar adhesions, tissue fibrosis, reduced range of motion (ROM), reduced upper limb muscle strength, and pain.22 Hidding JT, Beurskens CHG, van der Wees PJ, van Laarhoven HWM, Nijhuis-van der Sanden MWG. Treatment related impairments in arm and shoulder in patients with breast cancer: a systematic review. PLoS One. 2014;9(5):e96748. DOI These factors, alone or in combination, change the upper limbs movement patterns and might lead to chronic pain and reduced functionality, affecting these women quality of life and daily living activities.22 Hidding JT, Beurskens CHG, van der Wees PJ, van Laarhoven HWM, Nijhuis-van der Sanden MWG. Treatment related impairments in arm and shoulder in patients with breast cancer: a systematic review. PLoS One. 2014;9(5):e96748. DOI
3 Brookham RL, Cudlip AC, Dickerson CR. Examining upper limb kinematics and dysfunction of breast cancer survivors in functional dynamic tasks. Clin Biomech. 2018;55:86-93. DOI-44 Zomkowski K, Souza BC, Silva FP, Moreira GM, Cunha NS, Sperandio FF. Physical symptoms and working performance in female breast cancer survivors: A systematic review. Disabil Rehabil. 2018;40(13):1485-93. DOI
Chronic pain after breast cancer surgery is one of the most common complaints, with a prevalence ranging from 20% to 68%.55 Beyaz SG, Ergönenç JŞ, Ergönenç T, Sönmez ÖU, Erkorkmaz Ü, Altintoprak F. Postmastectomy pain: a cross sectional study of prevalence, pain characteristics , and effects on quality of life. Chin Med J (Engl). 2016;129(1):66-71. DOI
6 Bruce J, Thornton AJ, Powell R, Johnston M, Wells M, Heys SD, et al. Psychological, surgical, and sociodemographic predictors of pain outcomes after breast cancer surgery: a population-based cohort study. Pain. 2014;155(2):232-43. DOI-77 van den Beuken-Van Everdingen MHJ, Hochstenbach LMJ, Joosten EAJ, Tjan-Heijnen VCG, Janssen DJA. Update on prevalence of pain in patients with cancer: systematic review and meta-analysis. J Pain Symptom Manage. 2016;51(6):1070-90.e9. DOI Different mechanisms might be involved (nociceptive, neuropathic, central sensitization, and/or allodynia) and can make chronic pain treatment a challenge in clinical practice.88 Nijs J, Leysen L, Adriaenssens N, Ferrándiz MEA, Devoogdt N, Tassenoy A, et al. Pain following cancer treatment: Guidelines for the clinical classification of predominant neuropathic, nociceptive and central sensitization pain. Acta Oncol. 2016;55(6):659-63. DOI Due to chronic pain mechanisms complexity and multifactorial nature, there is no consensus in literature about the best therapeutic modality to treat this condition in women after breast cancer,99 Möller UO, Beck I, Rydén L, Malmström M. A comprehensive approach to rehabilitation interventions following breast cancer treatment - a systematic review of systematic reviews. BMC Cancer. 2019;19(1):472. DOI which intrigues researchers and clinicians.
Another common complication after breast cancer surgery is the reduced upper limb function, with a prevalence rate of over 50%.22 Hidding JT, Beurskens CHG, van der Wees PJ, van Laarhoven HWM, Nijhuis-van der Sanden MWG. Treatment related impairments in arm and shoulder in patients with breast cancer: a systematic review. PLoS One. 2014;9(5):e96748. DOI,1010 Yang EJ, Kang E, Kim SW, Lim JY. Discrepant trajectories of impairment, activity, and participation related to upper-limb function in patients with breast cancer. Arch Phys Med Rehabil. 2015;96(12):2161-8. DOI,1111 De Groef A, Meeus M, De Vrieze T, Vos L, Van Kampen M, Christiaens MR, et al. Pain characteristics as important contributing factors to upper limb dysfunctions in breast cancer survivors at long term. Musculoskelet Sci Pract. 2017;29:52-9. DOI Some factors are associated with worsening of upper limb function, such as pain intensity and characteristics, reduced shoulder flexion and abduction ROM, and decreased upper limb muscle strength.1111 De Groef A, Meeus M, De Vrieze T, Vos L, Van Kampen M, Christiaens MR, et al. Pain characteristics as important contributing factors to upper limb dysfunctions in breast cancer survivors at long term. Musculoskelet Sci Pract. 2017;29:52-9. DOI
Literature suggests chronic pain treatment should be based on multidisciplinary approach involving pain education, psychopharmacological and physical therapy interventions.1212 Giacalone A, Alessandria P, Ruberti E. The physiotherapy intervention for shoulder pain in patients treated for breast cancer: systematic review. Cureus. 2019;11(12):e6416. DOI Techniques like kinesiotherapy, stretching, strengthening, and neuromuscular control exercises can increase mobility and reduce shoulder pain.99 Möller UO, Beck I, Rydén L, Malmström M. A comprehensive approach to rehabilitation interventions following breast cancer treatment - a systematic review of systematic reviews. BMC Cancer. 2019;19(1):472. DOI Also, kinesiotherapy has shown positive effects for reducing chronic pain and increasing upper limbs functionality.99 Möller UO, Beck I, Rydén L, Malmström M. A comprehensive approach to rehabilitation interventions following breast cancer treatment - a systematic review of systematic reviews. BMC Cancer. 2019;19(1):472. DOI,1212 Giacalone A, Alessandria P, Ruberti E. The physiotherapy intervention for shoulder pain in patients treated for breast cancer: systematic review. Cureus. 2019;11(12):e6416. DOI On the other hand, more than one intervention can be effective for the same symptom and these effects depend not only on the intervention type, but also on how and when it is applied.99 Möller UO, Beck I, Rydén L, Malmström M. A comprehensive approach to rehabilitation interventions following breast cancer treatment - a systematic review of systematic reviews. BMC Cancer. 2019;19(1):472. DOI The type, frequency, intensity, and ideal exercises duration are still not clear enough, as well as their effects in combination with other modalities in the treatment of the same symptoms.99 Möller UO, Beck I, Rydén L, Malmström M. A comprehensive approach to rehabilitation interventions following breast cancer treatment - a systematic review of systematic reviews. BMC Cancer. 2019;19(1):472. DOI,1313 Montaño-Rojas LS, Romero-Pérez EM, Medina-Pérez C, Reguera-García MM, Paz JA. Resistance training in breast cancer survivors: A systematic review of exercise programs. Int J Environ Res Public Health. 2020;17(18):6511. DOI Thus, two techniques association might lead to greater benefits.
Myofascial reorganization (MR) is a method of myofascial manual therapy which emphasizes: (i) diagonal pressure; (ii) shear loading; (iii) tensile loading; (iiii) compressive loading in the myofascial tissue. It aims to influence receptors in the fascia, contributing to changes in local fluid dynamics, capillary constriction and increased local blood flow, restoring normal integrity of treated tissue.1414 Sinhorim L, Amorim M, Torres LJ, Wagner J, Niza NT, Lemos FP, et al. Acute effect of myofascial reorganization of the trapezius muscle in peripheral muscle oxygenation in asymptomatic subjects - a case series. Man Ther Posturology Rehabil J. 2019;17:739. DOI Thus, MR may reduce pain and improve body structures mobility and function.1515 Lewit K, Olsanska S. Clinical importance of active scars: abnormal scars as a cause of myofascial pain. J Manipulative Physiol Ther. 2004;27(6):399-402. DOI
16 De Groef A, Van Kampen M, Vervloesem N, Dieltjens E, Christiaens MR, Neven P, et al. Effect of myofascial techniques for treatment of persistent arm pain after breast cancer treatment: randomized controlled trial. Clin Rehabil. 2018;32(4):451-61. DOI-1717 Castro-Martín E, Ortiz-Comino L, Gallart-Aragón T, Esteban-Moreno B, Arroyo-Morales M, Galiano-Castillo N. Myofascial induction effects on neck-shoulder pain in breast cancer sur-vivors: randomized, single-blind, placebo-controlled crossover design. Arch Phys Med Rehabil. 2017;98(5):832-40. DOI In addition, manual contact is safe and reduces costs,1818 Hurley MV, Bearne LM. Non-exercise physical therapies for musculoskeletal conditions. Best Pract Res Clin Rheumatol. 2008;22(3):419-33. DOI given the wide clinical applicability. Although current evidence indicates the effectiveness of interventions in fascial system, there are scarce high-quality methodological articles with large sample sizes, requiring new studies to understand the role of available techniques.1919 Silva FP, Moreira GM, Zomkowski K, Noronha MA, Sperandio FF. Manual therapy as treatment for chronic musculoskeletal pain in female breast cancer survivors: a systematic review and meta-analysis. J Manipulative Physiol Ther. 2019;42(7):503-13. DOI
As there is insufficient information and no consensus on optimal chronic pain management and upper limb functionality among breast cancer survivors, we hypothesize that by combining benefits of two therapies we can maximize results and reduce treatment time in clinical practice. Therefore, this study aims to develop a study protocol to verify whether MR associated with kinesiotherapy is superior to isolated kinesiotherapy in chronic pain treatment and upper limb dysfunction in breast cancer survivors.
Methods
This study was approved by the Ethics Committee on Research with Human Beings (CEPSH) of the Universidade do Estado de Santa Catarina (UDESC), under CAAE protocol 10420519.7.0000.0118, and has been registered on the Clinical Trials platform under the protocol NCT04084600.
Study design
The study described in this protocol will be a double blind randomized controlled clinical trial (assessor and patient), parallel in two groups (IG - intervention group; and SG - sham group), organized according to the flowchart below (Figure 1). The protocol was developed according to the SPIRIT (Standard Protocol Items: Recommendations for International Trials) checklist, 2013.
All participants who agree to be part of the study will make the initial evaluation after signing the Informed Consent Form.
Setting and recruitment procedures
Data collection will be carried out in a reserved room at the Physiotherapy School Clinic of UDESC, in Florianópolis, Brazil. Women will be recruited by our research group through folders, banners, social media, and in person at the College of Health and Sport Science (CEFID) of UDESC.
Randomisation and blinding procedures
Participants will be randomly assigned to the IG or SG groups. Randomization will be carried out when recruitment procedures were finished through a random numerical sequence generated on Randomizer.org, in blocks, with an allocation rate of 1:1. Participants allocation will be hidden in sequentially sealed, numbered opaque envelopes prepared before the study starts. A researcher, who will not be involved in the other trial stages, will be responsible for randomization and allocation procedures. There will be three researchers responsible for assessments and they will not have access to participants allocation. The physiotherapist responsible for the interventions will not participate in assessments or participants allocation.
Participants
The sample will be composed of women who meet the following inclusion criteria: (1) age over 18 years; (2) have undergone breast cancer surgery; (3) have completed chemotherapy and/or radiotherapy; (4) present pain in the affected upper quadrant of the surgery for at least three months, with a minimum score of four-cm on the visual analogue scale (VAS) in the last week; (5) present a score of at least 30 in the DASH questionnaire (Disabilities of the arm, shoulder and hand).
Participants who present one of the following criteria will be excluded: (1) difficulty in understanding the Portuguese language to answer the questionnaires; (2) bilateral surgery for the treatment of breast cancer; (3) palliative care; (4) pregnant women; (5) use of analgesic and/or anti-inflammatory drugs; (6) rheumatic diseases; (7) history of orthopaedic surgery in the upper limbs; (8) have undergone physiotherapy treatment for less than 30 days.
Initial assessments
Women who agree to join the study will sign a Free Informed Consent Form and will be notified of the possibility to withdraw from the research at any stage. All participants personal identification data will be preserved according to national health council resolution, considering the possibility of results scientific dissemination. None of the participants will receive financial support to participate in the research.
Assessments will be conducted by three different physiotherapists, blinded and properly trained. Initially, in a face-to-face interview, a sociodemographic and clinical-surgical form will be fulfilled. Sociodemographic items include: name, age, education, marital status, ethnicity, living habits, physical activity, limb dominance, gynaecological history, gestational history and family income. For clinical-surgical aspects, type of breast cancer, cancer side, type of surgery, date of diagnosis, lymph node resection, other previous treatments and complications reported will be assessed.
Outcomes
Assessments will take place in three stages: just before the first treatment session (week 1), immediately after four treatment sessions (week 4), and at the end of the last treatment session (week 6). The primary outcome will be pain intensity and frequency measured by the VAS and the Body Pain Diagram (BPD). The secondary outcome will be upper limbs functionality by DASH and ROM, identified by the mean of the goniometry values.
VAS is a valid and reliable scale, widely used to identify pain intensity.2020 Carlsson AM. Assessment of chronic pain. I. Aspects of the reliability and validity of the visual analogue scale. Pain. 1983;16(1):87-101. DOI,2121 McCormack HM, Horne DJ, Sheather S. Clinical applications of visual analogue scales: a critical review. Psychol Med. 1988;18(4):1007-19. DOI It consists of a numbered line from 0 to 10, 0 being no pain and 10 being the worst pain imaginable. BPD is a graphic representation of a woman's body in anterior, posterior and lateral view, created by Zomkowski et al.,2222 Zomkowski K, Wittkopf PG, Back BBH, Bergmann A, Dias M, Sperandio FF. Pain characteristics and quality of life of breast cancer survivors that return and do not return to work: an exploratory cross-sectional study. Disabil Rehabil. 2021;43(26):3821-6. DOI in order to identify the site and frequency of pain. In this diagram, women should mark their principal pain areas at the moment with an X. For the frequency analysis of pain location, the BPD will be segmented into five areas: anterior trunk, posterior trunk, lateral trunk, affected upper limb, and unaffected upper limb.
DASH will be used to assess the disabilities and physical symptoms of the upper limbs. It was created in Canada in 19962323 Hudak PL, Amadio PC, Bombardier C. Development of an upper extremity outcome measure: the DASH (disabilities of the arm, shoulder and hand). The Upper Extremity Collaborative Group (UECG). Am J Ind Med. 1996;29(6):602-8. DOI and translated and validated in Brazil in 2005.2424 Orfale AG, Araújo PMP, Ferraz MB, Natour J. Translation into Brazilian Portuguese, cultural adaptation and evaluation of the reliability of the Disabilities of th Arm, Shoulder and Hand Questionnaire. Braz J Med Biol Res. 2005;38(2):293-302. DOI It is a 30-item questionnaire that assesses physical disabilities and upper limbs symptoms in a wide variety of musculoskeletal disorders. The score is a Likert scale ranging from one to five and the total score goes from 0 to 100, where higher scores represent higher physical disabilities and upper limbs symptoms. The questions refer to the last week and the items in the questionnaire are categorised into the domains: physical function, symptoms and social function.
For goniometry, a plastic manual goniometer with two adjustable arms will be used, which has proved to be a valid and reliable tool.2525 Kolber MJ, Fuller C, Marshall J, Wright A, Hanney WJ. The reliability and concurrent validity of scapular plane shoulder elevation measurements using a digital inclinometer and goniometer. Physiother Theory Pract. 2012;28(2):161-8. DOI The active ROM of the shoulder joint will be objectively measured in flexion, abduction, internal and external rotation movements. Participants will be positioned according to Marques,2626 Marques AP. Manual de goniometria. 3rd ed. Barueri: Manole; 2014. 136 p. and will perform two repetitions of each movement; the mean of these measures will be considered for the analysis of the results.
Interventions
Participants will undergo six treatment sessions once a week for six weeks, each lasting 40 minutes. The sessions will be conducted individually in a reserved room with adequate lighting and air conditioning adjusted to a temperature of approximately 23 °C. The interventions will be applied by a physiotherapist with previous experience and practice in this protocol. The interventions proposed for each group are described in more details below:
Intervention group
First, a 20-minute MR protocol will be conducted using an adapted approach described in Sinhorim et al.1414 Sinhorim L, Amorim M, Torres LJ, Wagner J, Niza NT, Lemos FP, et al. Acute effect of myofascial reorganization of the trapezius muscle in peripheral muscle oxygenation in asymptomatic subjects - a case series. Man Ther Posturology Rehabil J. 2019;17:739. DOI The techniques will be applied emphasizing shear loading, tensile loading and compressive loading, as shown in Table 1 and Figure 2.
Immediately after MR protocol, participants will undergo a 20-minute kinesiotherapy protocol. This protocol was created based on previous studies,99 Möller UO, Beck I, Rydén L, Malmström M. A comprehensive approach to rehabilitation interventions following breast cancer treatment - a systematic review of systematic reviews. BMC Cancer. 2019;19(1):472. DOI,2727 De Groef A, Van Kampen M, Dieltjens E, Christiaens MR, Neven P, Geraerts I, et al. Effectiveness of postoperative physical therapy for upper-limb impairments after breast cancer treatment: a systematic review. Arch Phys Med Rehabil. 2015;96(6):1140-53. DOI
28 Lee SA, Kang JY, Kim YD, An AR, Kim SW, Kim YS, et al. Effects of a scapula-oriented shoulder exercise programme on upper limb dysfunction in breast cancer survivors: a randomized controlled pilot trial. Clin Rehabil. 2010;24(7):600-13. DOI-2929 Kisner C, Colby LA. Exercícios terapêuticos: fundamentos e técnicas. 5th ed. Barueri: Manole; 2009. 1000 p. and consists of stretching, strengthening, control, and stabilization exercises of shoulder complex, according to Table 2 and Figure 3.
Description of the kinesiotherapy protocol for breast cancer survivors based on stretching, strengthening, control and stabilization of shoulder complex
Sham group
SG will start intervention receiving a traditional massage, in regions different from those covered by the IG. The surface smoothing technique will be used, based on Domenico and Wood's classical massage concept.3030 Domenico G, Wood EC. Técnica de massagem de Beard. São Paulo: Manole; 1998. Smooth, rhythmic and circular movements will be made with all the palmar surface, in order to minimize major fascial changes. Traditional massage will last 20 minutes. In the first ten minutes, the participant will stay in dorsal decubitus position and receive the technique in the abdominal region. In the last ten minutes, the participant will adopt the lateral decubitus to receive the massage in the lumbar region. After the traditional massage, the participant will perform the same kinesiotherapy protocol described above, during 20 minutes.
Sample size calculation
Sample calculation was performed using the G-Power® 3.1 software. Variable used was pain intensity in the VAS. Calculation was based on the detection of a 3-point difference between the groups.3131 Lee JS, Hobden E, Stiell IG, Wells GA. Clinically important change in the visual analog scale after adequate pain control. Acad Emerg Med. 2003;10(10):1128-30. DOI Considering a power of 80% and α of 5%, we estimated 14 participants per group.
Statistical analysis
Statistical analysis will be conducted based on intention-to-treat analysis. Data will be organised in Excel® (version 2010) and then analysed in SPSS® (Statistical Package for Social Sciences, version 20.0) software. Shapiro-Wilk will be used to check the data normality. Sample characterization will be presented by descriptive statistics. To check the difference between means, the T-Student test or the U-Mann-Whitney test will be used, according to data normality. To verify treatments effects, analysis of variance (ANOVA) for repeated measurements will be used, considering two factors (two-way): time (week 1, week 4, and week 6) and group (IG and SG). Significance level adopted for all tests will be 5%.
Discussion
This study evaluated effects of MR associated with kinesiotherapy on chronic pain treatment and upper limb dysfunction in breast cancer survivors. By using stretching, strengthening and neuromuscular control exercises, kinesiotherapy has been shown to be effective, playing a central role in the rehabilitation process.1212 Giacalone A, Alessandria P, Ruberti E. The physiotherapy intervention for shoulder pain in patients treated for breast cancer: systematic review. Cureus. 2019;11(12):e6416. DOI Whereas MR, by acting on myofascial tissue through stretching, manual pressure and sliding techniques, has shown good results in the treatment of chronic pain and upper limb dysfunctions after breast cancer surgery.1616 De Groef A, Van Kampen M, Vervloesem N, Dieltjens E, Christiaens MR, Neven P, et al. Effect of myofascial techniques for treatment of persistent arm pain after breast cancer treatment: randomized controlled trial. Clin Rehabil. 2018;32(4):451-61. DOI,1717 Castro-Martín E, Ortiz-Comino L, Gallart-Aragón T, Esteban-Moreno B, Arroyo-Morales M, Galiano-Castillo N. Myofascial induction effects on neck-shoulder pain in breast cancer sur-vivors: randomized, single-blind, placebo-controlled crossover design. Arch Phys Med Rehabil. 2017;98(5):832-40. DOI,3232 Serra-Añó P, Inglés M, Bou-Catalá C, Iraola-Lliso A, Espí-López GV. Effectiveness of myofascial release after breast cancer surgery in women undergoing conservative surgery and radiotherapy: a randomized controlled trial. Support Care Cancer. 2019;27(7):2633-41. DOI
It is possible that through manual therapy, stimulation of intrafascial sympathetic afferents can trigger changes in the global autonomic nervous system tone, as well as in local circulation and extracellular matrix hydration.3333 Schleip R. Fascial plasticity - a new neurobiological explanation: Part 1. J Bodyw Mov Ther. 2003;7(1):11-9. DOI Therefore, we believe that associating a MR protocol with kinesiotherapy, we can maximize results, reducing pain and increasing functionality after breast cancer. In this way, we will be able to provide these women with a faster return to socio-labour activities, which has a positive impact on their quality of life.
In a recent systematic review with meta-analysis, it was found that manual therapy decreased the intensity of chronic musculoskeletal pain among breast cancer survivors, however, studies were scarce, with small sample size and low methodological quality.1919 Silva FP, Moreira GM, Zomkowski K, Noronha MA, Sperandio FF. Manual therapy as treatment for chronic musculoskeletal pain in female breast cancer survivors: a systematic review and meta-analysis. J Manipulative Physiol Ther. 2019;42(7):503-13. DOI Therefore, during the development of our study, we seek to reduce these gaps by describing and illustrating each of the techniques and using a simple and clear methodology. Furthermore, by adding SG, on one hand we will allow participants of both groups to have the same time of individual treatment with the therapist touch, reducing possible biases. On the other hand, therapists touch can be considered therapeutic by physical and psychological mechanisms,3434 Rossettini G, Camerone EM, Carlino E, Benedetti F, Testa M. Context matters: the psychoneurobiological determinants of placebo, nocebo and context-related effects in physiotherapy. Arch Physiother. 2020;10:11. DOI which can make it difficult to identify a difference between groups.
Finally, chronic pain in breast cancer survivors may involve different mechanisms (nociceptive, neuropathic and/or central sensitization).88 Nijs J, Leysen L, Adriaenssens N, Ferrándiz MEA, Devoogdt N, Tassenoy A, et al. Pain following cancer treatment: Guidelines for the clinical classification of predominant neuropathic, nociceptive and central sensitization pain. Acta Oncol. 2016;55(6):659-63. DOI However, randomized clinical trials investigating chronic pain in breast cancer survivors usually do not consider pain mechanisms to address treatment.3535 De Groef A, Penen F, Dams L, Van der Gucht E, Nijs J, Meeus M. Best-evidence rehabilitation for chronic pain Part 2: Pain during and after cancer treatment. J Clin Med. 2019;8(7):979. DOI By associating kinesiotherapy with MR, we can work on more than one mechanism in the same session, maximizing the results. Therefore, if the association of MR with kinesiotherapy prove to have superior effects than isolated kinesiotherapy, we can suggest that pain mechanisms might also be considered when developing a treatment programme for chronic pain of breast cancer survivors.
The study presents some limitations. Due to the proposed interventions nature, responsible therapist for implementing treatment cannot be blinded. In addition, if the intervention will be replicated in other rehabilitation centers, it should only be performed by physiotherapists with experience in MR, which eventually restricts its use. On the other hand, kinesiotherapy protocol allows for greater flexibility, as it can be adapted even for group care, enabling greater reproducibility.
Conclusion
In conclusion, the association of MR with kinesiotherapy will hopefully generate an improvement in chronic pain and functionality of breast cancer survivors. Thus, we believe that MR technique can be routinely included in clinical practice since the early stages of rehabilitation process.
Acknowledgments
This study was financed in part by the Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES - Finance Code 001), and supported by the Fundação de Amparo à Pesquisa e Inovação do Estado de Santa Catarina (grant FAPESC 2019TR602 and 2021TR995).
We also would like to thank all the staff of the Physiotherapy School Clinic of UDESC and Alexandra de Cássia Kaszewski (in memoriam), the patient for whom this protocol was first made, with much love.
References
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1Sung H, Ferlay J, Siegel RL, Laversanne M, Soerjomataram I, Jemal A, et al. Global cancer statistics 2020: GLOBOCAN estimates of incidence and mortality worldwide for 36 cancers in 185 countries. CA Cancer J Clin. 2021;71(3):209-49. DOI
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2Hidding JT, Beurskens CHG, van der Wees PJ, van Laarhoven HWM, Nijhuis-van der Sanden MWG. Treatment related impairments in arm and shoulder in patients with breast cancer: a systematic review. PLoS One. 2014;9(5):e96748. DOI
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3Brookham RL, Cudlip AC, Dickerson CR. Examining upper limb kinematics and dysfunction of breast cancer survivors in functional dynamic tasks. Clin Biomech. 2018;55:86-93. DOI
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4Zomkowski K, Souza BC, Silva FP, Moreira GM, Cunha NS, Sperandio FF. Physical symptoms and working performance in female breast cancer survivors: A systematic review. Disabil Rehabil. 2018;40(13):1485-93. DOI
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5Beyaz SG, Ergönenç JŞ, Ergönenç T, Sönmez ÖU, Erkorkmaz Ü, Altintoprak F. Postmastectomy pain: a cross sectional study of prevalence, pain characteristics , and effects on quality of life. Chin Med J (Engl). 2016;129(1):66-71. DOI
-
6Bruce J, Thornton AJ, Powell R, Johnston M, Wells M, Heys SD, et al. Psychological, surgical, and sociodemographic predictors of pain outcomes after breast cancer surgery: a population-based cohort study. Pain. 2014;155(2):232-43. DOI
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7van den Beuken-Van Everdingen MHJ, Hochstenbach LMJ, Joosten EAJ, Tjan-Heijnen VCG, Janssen DJA. Update on prevalence of pain in patients with cancer: systematic review and meta-analysis. J Pain Symptom Manage. 2016;51(6):1070-90.e9. DOI
-
8Nijs J, Leysen L, Adriaenssens N, Ferrándiz MEA, Devoogdt N, Tassenoy A, et al. Pain following cancer treatment: Guidelines for the clinical classification of predominant neuropathic, nociceptive and central sensitization pain. Acta Oncol. 2016;55(6):659-63. DOI
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9Möller UO, Beck I, Rydén L, Malmström M. A comprehensive approach to rehabilitation interventions following breast cancer treatment - a systematic review of systematic reviews. BMC Cancer. 2019;19(1):472. DOI
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10Yang EJ, Kang E, Kim SW, Lim JY. Discrepant trajectories of impairment, activity, and participation related to upper-limb function in patients with breast cancer. Arch Phys Med Rehabil. 2015;96(12):2161-8. DOI
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11De Groef A, Meeus M, De Vrieze T, Vos L, Van Kampen M, Christiaens MR, et al. Pain characteristics as important contributing factors to upper limb dysfunctions in breast cancer survivors at long term. Musculoskelet Sci Pract. 2017;29:52-9. DOI
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12Giacalone A, Alessandria P, Ruberti E. The physiotherapy intervention for shoulder pain in patients treated for breast cancer: systematic review. Cureus. 2019;11(12):e6416. DOI
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Publication Dates
-
Publication in this collection
16 Sept 2022 -
Date of issue
2022
History
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Received
20 July 2021 -
Reviewed
08 Nov 2021 -
Accepted
04 Feb 2022