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Drug abuse amongst anesthetists in Brazil: a national survey

Abstract

Background

The prevalence of Substance Use Disorders (SUD) and acceptance of drug testing among anesthetists in Brazil has not been determined.

Methods

An internet-based survey was performed to investigate the prevalence of SUD among anesthetists in Brazil, to explore the attitudes of anesthetists regarding whether SUD jeopardizes the health of an impaired provider or their patient, and to determine the provider's perspective regarding acceptance and effectiveness of drug testing to reduce SUD. The questionnaire was distributed via social media. REDCap was utilized to capture data. A sample size of 350 to achieve a confidence level of 95% and confidence interval of 5 was estimated. Study report was based on STROBE and CHERRIES statements.

Results

The survey was returned from 1,295 individuals. Most individuals knew an anesthesia provider with a SUD (82.07%), while 23% admitted personal use. The most common identified substances of abuse were opioids (67.05%). Very few respondents worked in a setting that performs drug testing (n = 17, 1.33%). Most individuals believed that drug testing could improve personal safety (82.83%) or the safety of patients (85.41%). Individuals with a personal history of SUD were less likely to believe in the effectiveness of drug testing to reduce one's own risk (74.92% vs. 85.18%, p < 0.0001) or improve the safety of patients (76.27% vs. 88.13%, p < 0.001).

Conclusions

SUDs are common among anesthetists in Brazil. Drug testing would be accepted as a viable means to reduce the incidence although a larger study should be performed to investigate the logistical feasibility.

KEYWORDS
Anesthesiology; Drug testing; Occupational diseases; Patient safety; Substance use disorders

Introduction

Substance Use Disorders (SUD) are a family of diseases that are pandemic throughout society. Healthcare personnel are not immune to these conditions or their impact which commonly includes death.11 Warner DO, Berge K, Sun H, Harman A, Hanson A, Schroeder DR. Risk and outcomes of substance use disorder among anesthesiology residents: a matched cohort analysis. Anesthesiology. 2015;123:929-36. Anesthesiologists are not spared from this illness and may be at higher risk for addiction and substance associated death.22 Warner DO, Berge K, Sun H, Harman A, Hanson A, Schroeder DR. Substance use disorder among anesthesiology residents, 1975-2009. JAMA. 2013;310:2289-96.

3 Gravenstein JS, Kory WP, Marks RG. Drug abuse by anesthesia personnel. Anesth Analg. 1983;62:467-72.
-44 Booth JV, Grossman D, Moore J, et al. Substance abuse among physicians: a survey of academic anesthesiology programs. Anesth Analg. 2002;95:1024-30, table of contents.

This problem extends across countries and anesthesiologists in Brazil are vulnerable.55 Fry RA, Fry LE, Weeks A. Substance use disorder amongst Australian and New Zealand anaesthetic trainees: an analysis of 30-years of data. Anaesth Intensive Care. 2015;43:30.

6 Boulis S, Khanduja PK, Downey K, Friedman Z. Substance abuse: a national survey of Canadian residency program directors and site chiefs at university-affiliated anesthesia departments. Can J Anaesth. 2015;62:964-71.
-77 Palhares-Alves HN, Vieira DL, Laranjeira RR, Vieira JE, Nogueira-Martins LA. Clinical and demographic profile of anesthesiologists using alcohol and other drugs under treatment in a pioneering program in Brazil. Rev Bras Anestesiol. 2012;62:356-64. Although anesthesiologists only comprise 3% to 5% of the physicians in Brazil, they make up a far higher percentage in recovery programs, similar to the United States.88 Alves HN, Surjan JC, Nogueira-Martins LA, Marques AC, Ramos SEP, Laranjeira RR. Clinical and demographical aspects of alcohol and drug dependent physicians. Rev Assoc Med Bras. 2005;51:139-43.

9 Talbott GD, Gallegos KV, Wilson PO, Porter TL. The Medical Association of Georgia's Impaired Physicians Program. Review of the first 1000 physicians: analysis of specialty. JAMA. 1987;257:2927-30.
-1010 Scheffer M, Cassenote A, Guerra A, et al. Demografia Médica no Brasil 2020. FMUSP. 2020;:312. Recent data in the United States has demonstrated that this problem may be increasing among trainees in anesthesiology.22 Warner DO, Berge K, Sun H, Harman A, Hanson A, Schroeder DR. Substance use disorder among anesthesiology residents, 1975-2009. JAMA. 2013;310:2289-96. Education and substance control measures have been the mainstay of preventative efforts, although they have been largely ineffective.44 Booth JV, Grossman D, Moore J, et al. Substance abuse among physicians: a survey of academic anesthesiology programs. Anesth Analg. 2002;95:1024-30, table of contents. Several institutions in the United States have implemented random drug testing in an effort to reduce this problem.1111 Fitzsimons MG, Baker KH, Lowenstein E, Zapol WM. Random drug testing to reduce the incidence of addiction in anesthesia residents: preliminary results from one program. Anesth Analg. 2008;107:630-5.

12 Rice MJ, Grek SB, Swift MD, Nance JJ, Shaw AD. The need for mandatory random drug testing in anesthesia providers. Anesth Analg. 2017;124:1712-6.
-1313 Tetzlaff J, Collins GB, Brown DL, Leak BC, Pollock G, Popa D. A strategy to prevent substance abuse in an academic anesthesiology department. J Clin Anesth. 2010;22:143-50. Results have indicated success.1414 Fitzsimons MG, Baker K, Malhotra R, Gottlieb A, Lowenstein E, Zapol WM. Reducing the incidence of substance use disorders in anesthesiology residents: 13-years of comprehensive urine drug screening. Anesthesiology. 2018;129:821-8.

This survey is aimed to determine the perception of anesthesiologists and anesthesiology residents in Brazil about the prevalence of SUDs, the perceived impact on provider and patient safety, and their attitude towards the use of drug testing to reduce SUD among healthcare providers in anesthesia.

Methods

Ethical approval for this study was provided by the Institutional Review Board of Hospital Sírio-Libanês, in São Paulo, Brazil (CAAE 226224319.0.0000.5461. IBR Chairperson: Dr. Bernardo Garicochea. Date of approval: November 27th, 2019). Study protocol and questionnaire development started mid-2019, guided by the STrengthening the Reporting of OBservational studies in Epidemiology (STROBE) for cross-sectional studies and the Checklist for Reporting Results of Internet E-Surveys (CHERRIES) guidelines.1515 Vandenbroucke JP, von Elm E, Altman DG, et al. Strengthening the Reporting of Observational Studies in Epidemiology (STROBE): explanation and elaboration. Epidemiology. 2007;18:805-35.,1616 Eysenbach G. Improving the quality of Web surveys: the Checklist for Reporting Results of Internet E-Surveys (CHERRIES). J Med Internet Res. 2004;6:e34. Twenty people from different healthcare areas participated in the survey questionnaire validation process.1717 Raymundo VP. Construção e validação de instrumentos um desafio para a Psicolinguística. Letras de Hoje. 2009;44:86-93. An English version of the questionnaire was prepared, validated, and transcultural checked to be analyzed by a North American contributor (MGF), an expert on the topic. His comments were incorporated, translated to Brazilian Portuguese, re-validated, and re-checked for transcultural differences.

To build the Electronic Questionnaire (eQ), and to collect and manage data, REDCap, a secure, web-based software platform designed to support data capture for research studies was used.1818 Harris PA, Taylor R, Thielke R, Payne J, Gonzalez N, Conde JG. Research electronic data capture (REDCap)- a metadata-driven methodology and workflow process for providing translational research informatics support. J Biomed Inform. 2009;42:377-81. Conditional branching was utilized to make the eQ more intuitive. In questions where drug classes were alternatives (e.g., prescribed stimulants), examples were provided (e.g., methylphenidate). After eQ development, its usability and technical functionality were tested by asking a few anesthetists to use it (their answers were not inputted). Comments were incorporated, and a final version was piloted by the eQ team, after inspection from a third-part reviewer, not a member of the research team.

Social media was used for eQ publishing. Thus, snowball sampling technique was utilized. The eQ link was primarily distributed using instant messages, mobile apps, and through social media channels, including WhatsApp, Telegram, Facebook, and Instagram. The survey link was also emailed to national experts in anesthesia research, and they were asked to share it with their anesthesia groups. There were two main distribution moments, sent on day 1 and on day 10. The eQ was opened for participation from January 16, 2020 to January 30, 2020. No incentives were offered, and participation was voluntary.

Approval of the electronic informed consent was mandatory for survey participation. Neither name, email address, nor other identifying information was collected to maintain anonymity. The questionnaire contained a total of 30 objective questions, plus one last box for comments. An answer time of approximately 3 minutes was estimated. Respondents could review and change their answers before final submission.

Considering a population of approximately 25,000 anesthesiologists in Brazil,1919 Scheffer M, Cassenote A, Guerra A, et al. Demografia Médica no Brasil. 2020.2020.312. confidence level of 95%, and a confidence interval of 5, a sample size of approximately 350 interviewees was estimated. Any anesthesiologist or anesthesiologist's resident living in Brazil were eligible to answer the questionnaire.

Statistics

Categorical data were considered as proportions. Differences between those with and without a personal history of substance use were assessed with a Chi-Square test. In the event of small cell counts, Fisher's Exact Test was employed. For all analyses two-sided p-values < 0.05 were considered statistically significant. SAS 9.4 software (SAS Institute Inc., Cary, NC) was utilized.

Results

Demographic results are included in Table 1. The number of individuals participating in the survey was 1,295. Informed consent was accepted by 1,286 individuals, and 978 affiliated members of the Brazilian Society of Anesthesiology (SBA) completed the survey.

Table 1
Respondent characteristics.

Respondent characteristics

Individuals indicating gender were equally split among male (642) and female (640) physicians. Nearly half of those responding were older than 40 years of age (44.6%) and in practice for more than 11 years (43.3%). Over half of those responding were from southeast Brazil (52.5%).

Knowledge of substance use among colleagues

A high number of individuals knew of at least one colleague who had abused a substance in order to change his/her mental status (n = 1053, 82.07%), and nearly half of those knew of 3-5 colleagues (n = 477, 45.34%). The most commonly identified substance was opioids (67%) followed by marijuana (52.3%). Sleep induction medications (e.g., zolpidem, antidepressants, and antipsychotics, but not propofol), when used in an abusive way, were indicated by 45.6%, whereas benzodiazepines were cited by 40% of responders (Table 2). Anesthetic agents (e.g., inhalational anesthetics, ketamine, and propofol) were reported by 38.3%. The majority of colleagues found to abuse substances were required to withdraw at least temporarily from professional activities (70.3%). Approximately half of those individuals either did not return to practice or returned but ultimately left practice. Nearly all individuals responding to the survey believed that SUD either jeopardized a physician's life (93.1%) or jeopardized patient care (88.2%).

Table 2
Substance usea a Note: Substance use is defined as 'ever used or uses any substance with the potential of abuse to change mental status. by colleagues.

Personal use of substances

Respondents were asked about their own personal use of substances. Two hundred ninety-five individuals acknowledged a personal history of SUD (23%). The most common substance of abuse was illegal recreational use of marijuana (43.2%) followed by sleep induction medications (e.g., zolpidem, antidepressants, and antipsychotics, but not propofol- 42.9%), and prescribed stimulants (e.g., methylphenidate- 36.4%). A high percentage of individuals acknowledged use of illicit substances during and after residency (41.52%) indicating that use during residency is likely to continue into independent practice (Table 3). The number of individuals that acknowledged illicit use of opioids was 4.4% (n = 13). Few individuals who acknowledged the use of substances took time away from practice (n = 8; 2.72%). Less than half of individuals that abused substances believed that they risked their own well-being (36.18%) or patient safety (23.81%) by their personal use.

Table 3
Personal substance usea a Note: Substance use is defined as 'ever used or uses any substance with the potential of abuse to change mental status. .

Attitudes and personal experience regarding occupational drug testing

A very small percentage of anesthesiologists currently work in a practice or institution that performs drug testing (n = 17, 1.33%) but a higher percentage indicated that they had been subject to testing at some point in their career (n = 60, 4.68%). Random drug testing was acknowledged by 7 individuals. The vast majority of individuals responding to the survey indicated that they believed random drug testing could improve personal (82.83%) and patient (85.41%) safeties but individuals that admitted to the use of illicit substances were significantly less likely to believe that random drug testing could improve their own safety or that of their patients (Table 4). Acceptance of pre-placement (pre-employment), random, and reasonable suspicion (“For-cause”) drug test was endorsed by nearly 90%. A total of 244 individuals responded that they did not agree with drug testing. Cited reasons included violation of privacy (68.4%), knowledge that the presence of a substance does not mean a substance is being abused (43.4%), and the fear of false positive results (30.3%).

Table 4
Testing characteristics.

Discussion

The careers and lives of many anesthesiologists have been lost to SUD since the beginning of the specialty. Education and substance control have been largely ineffective and the incidence among trainees has continued to increase.22 Warner DO, Berge K, Sun H, Harman A, Hanson A, Schroeder DR. Substance use disorder among anesthesiology residents, 1975-2009. JAMA. 2013;310:2289-96.,44 Booth JV, Grossman D, Moore J, et al. Substance abuse among physicians: a survey of academic anesthesiology programs. Anesth Analg. 2002;95:1024-30, table of contents. Nearly 20% of anesthesiologists fortunate to survive an initial diagnosis of SUD will die of their disease during their career.2020 Warner DO, Berge K, Sun H, Harman A, Wang T. Substance use disorder in physicians after completion of training in anesthesiology in the United States from 1977 to 2013. Anesthesiology. 2020;133:342-9. Our national survey of anesthesiologists and residents in Brazil revealed several key findings. The first is that most individuals practicing anesthesia or in training know of a colleague who has abused substances (82%) and that a high percentage have recreationally used a substance at least once in their career (23%). A very high percentage of individuals believe that the use of substances with the potential of addiction is a threat to personal and patient safeties although this belief is less common among those that actually abuse drugs. Drug testing is uncommon in Brazil despite the belief that it would enhance provider and patient safeties.

The incidence of SUD among anesthesiologists in Brazil is unclear. Alves' study of resident physicians in Brazil attending outpatient treatment for SUD revealed that anesthesiology and surgery were second only to internal medicine as the most involved specialties.88 Alves HN, Surjan JC, Nogueira-Martins LA, Marques AC, Ramos SEP, Laranjeira RR. Clinical and demographical aspects of alcohol and drug dependent physicians. Rev Assoc Med Bras. 2005;51:139-43. The authors also demonstrated that anesthesiologists make up a far higher incidence of addicted physicians requiring treatment (approximately 20%) when compared to the numbers of practicing physicians (3-5% of physicians). Impaired anesthesiologists in Brazil are predominantly male, in their 30s, abuse opioids, and refer for care early due to pressure from colleagues or governing bodies.77 Palhares-Alves HN, Vieira DL, Laranjeira RR, Vieira JE, Nogueira-Martins LA. Clinical and demographic profile of anesthesiologists using alcohol and other drugs under treatment in a pioneering program in Brazil. Rev Bras Anestesiol. 2012;62:356-64.

Individuals that have a personal history of SUD know more impaired colleagues than those that do not abuse drugs (88.78% vs. 80.06%; p = 0.001). This may be due to social networks that contain more individuals that abuse substances. Opioids were the most commonly identified substance abused by a colleague (67.05%) reflecting prior studies in Brazil.77 Palhares-Alves HN, Vieira DL, Laranjeira RR, Vieira JE, Nogueira-Martins LA. Clinical and demographic profile of anesthesiologists using alcohol and other drugs under treatment in a pioneering program in Brazil. Rev Bras Anestesiol. 2012;62:356-64. The incidence of self-reported SUD was 23% in our study with illegal recreational marijuana being the most commonly abused illicit substance. Opioid use was reported by 1% (n = 13) of those surveyed and 4.4% of individuals that did use drugs.

Over 50% of those reporting a personal history of SUD were either current resident physicians or within the first 5 years after completion of residency similar to data reported by Alexander et al.2121 Alexander BH, Checkoway H, Nagahama SI, Domino KB. Cause-specific mortality risks of anesthesiologists. Anesthesiology. 2000;93:922-30. This study did reveal that 31% of those with a SUD were in practice for over 11 years either indicating that anesthesiologists will develop a SUD years into practice or that many who entered recovery continued to successfully practice in the specialty. Most of the individuals known to abuse substances (70.26%) withdrew from professional practice at least temporarily. Over half of those that were discovered to have a SUD either never returned to the practice of anesthesia or returned and later withdrew. Under the best of conditions recovery rates for addicted anesthesiologists, based upon 5 years of monitoring, is slightly over 70%.2222 Skipper GE, Campbell MD, Dupont RL. Anesthesiologists with substance use disorders: a 5-year outcome study from 16 state physician health programs. Anesth Analg. 2009;109:891-6. Recent data indicated a high projected rate (38%) of relapse within 30 years and a death rate of 19%.2020 Warner DO, Berge K, Sun H, Harman A, Wang T. Substance use disorder in physicians after completion of training in anesthesiology in the United States from 1977 to 2013. Anesthesiology. 2020;133:342-9.

Most, but not all, anesthesiologists in this survey believe that SUD increases risk for both the physicians as well as the patients being treated under their care. Individuals with a personal history of SUD though were statistically less likely to acknowledge the associated risk to care providers (84.7% vs. 95.9%; p < 0.0001) or patients (76.8% vs. 91.9%; p < 0.001). This apparently indicates that some physicians that abuse substances do not believe that there is the potential for self or patient harm. Physicians often avoid reporting incompetent colleagues due to a lack of confidence in systems, fears of retribution, lack of knowledge of reporting routes, and the notion that someone else is likely addressing the problem.2323 DesRoches CM, Rao SR, Fromson JA, et al. Physicians' perceptions, preparedness for reporting, and experiences related to impaired and incompetent colleagues. JAMA. 2010;304:187-93.

Physicians in this survey were questioned about their experience and attitude toward drug testing. Only 1.33% (n = 17) of surveyed individuals reported that their institution currently performs drug testing and less than half reported that random testing was a component (n = 7). A far higher number of anesthesiologists (4.68%; n = 60) had been subject to drug testing at some point during their career. This may reflect individuals that trained in international institutions that have drug testing or military facilities. Most anesthesiologists in this survey believed that random drug testing can be used to improve the safety of the individual anesthesiologist and patient, but those individuals with a history of SUD were significantly less likely to hold this view. Such individuals may believe that they can manage the condition themselves. Individuals may also believe that there are means to adulterate tests to avoid detection of a substance.

Anesthesiologists were questioned about reasons why they may disagree with drug testing and the most common notion was that testing was a violation of individual privacy and that the mere presence of a substance did not necessarily define impairment. Lemon et al. surveyed physician attitudes toward drug testing in 1992. Most physicians surveyed at the time believed that physician drug use was either a minor or non-existent problem, but the attitudes were similar to this study.2424 Lemon SJ, Sienko DG, Alguire PC. Physicians' attitudes toward mandatory workplace urine drug testing. Arch Intern Med. 1992;152:2238-42. More than half (60%) believed that testing infringed on the physician's right to privacy but 87% would submit to testing if required by a hospital.

There are multiple weaknesses in this study. Individuals could access and open the REDCap link and answer the eQ more than once. Definitions of SUD are open to interpretation. The release of a survey via social media may attract more young physicians that are more media savvy, although almost 45% of those responding to the survey were over 45 years of age.2525 Lusk C, Delclos GL, Burau K, Drawhorn DD, Aday LA. Mail versus internet surveys: determinants of method of response preferences among health professionals. Eval Health Prof. 2007;30:186-201. This may be due to the reluctance of early career physicians to complete the survey while more senior anesthesiologists may know of more colleagues that have suffered from SUD. The use of an electronic survey may have created some concerns regarding anonymity, although the platform used has clear-stated strict privacy rules. Finally, drug abuse-related subjects are sensitive topics, which may reflect in the fidelity of some answers.

The community of anesthesia providers in Brazil is not spared of the diseases that are SUDs. Brazilian anesthesiologists do recognize that drug may place their health and the safety of the patient in jeopardy, but when acknowledging drug use, they are less likely to admit that they represent a risk to the patient. Drug testing is rarely utilized in Brazil but would be accepted by anesthesiologists despite concerns about testing. We believe that a more widespread survey of SUD in Brazil as well may reveal the scope of the problem of SUD and efforts to reduce the incidence. Drug testing is a potential tool in this fight, but proper research is critical to gain improved understanding.

  • Funding
    The study was funded by departmental resources.

Acknowledgements

Assistance with the study: Camila Santana Justo Cintra Sampaio (Hospital Sírio-Libanês, São Paulo, Brazil) provided immense contributions during the eQ development using REDCap. Pedro Tadeu Machado Spadaro contributed to brainstorming sessions during early study development. Our colleagues provided substantial feedback during the survey validation process. Statistical support was provided by the Anesthesia Research Center within the Department of Anesthesia, Critical Care and Pain Medicine at Massachusetts General Hospital.

References

  • 1
    Warner DO, Berge K, Sun H, Harman A, Hanson A, Schroeder DR. Risk and outcomes of substance use disorder among anesthesiology residents: a matched cohort analysis. Anesthesiology. 2015;123:929-36.
  • 2
    Warner DO, Berge K, Sun H, Harman A, Hanson A, Schroeder DR. Substance use disorder among anesthesiology residents, 1975-2009. JAMA. 2013;310:2289-96.
  • 3
    Gravenstein JS, Kory WP, Marks RG. Drug abuse by anesthesia personnel. Anesth Analg. 1983;62:467-72.
  • 4
    Booth JV, Grossman D, Moore J, et al. Substance abuse among physicians: a survey of academic anesthesiology programs. Anesth Analg. 2002;95:1024-30, table of contents.
  • 5
    Fry RA, Fry LE, Weeks A. Substance use disorder amongst Australian and New Zealand anaesthetic trainees: an analysis of 30-years of data. Anaesth Intensive Care. 2015;43:30.
  • 6
    Boulis S, Khanduja PK, Downey K, Friedman Z. Substance abuse: a national survey of Canadian residency program directors and site chiefs at university-affiliated anesthesia departments. Can J Anaesth. 2015;62:964-71.
  • 7
    Palhares-Alves HN, Vieira DL, Laranjeira RR, Vieira JE, Nogueira-Martins LA. Clinical and demographic profile of anesthesiologists using alcohol and other drugs under treatment in a pioneering program in Brazil. Rev Bras Anestesiol. 2012;62:356-64.
  • 8
    Alves HN, Surjan JC, Nogueira-Martins LA, Marques AC, Ramos SEP, Laranjeira RR. Clinical and demographical aspects of alcohol and drug dependent physicians. Rev Assoc Med Bras. 2005;51:139-43.
  • 9
    Talbott GD, Gallegos KV, Wilson PO, Porter TL. The Medical Association of Georgia's Impaired Physicians Program. Review of the first 1000 physicians: analysis of specialty. JAMA. 1987;257:2927-30.
  • 10
    Scheffer M, Cassenote A, Guerra A, et al. Demografia Médica no Brasil 2020. FMUSP. 2020;:312.
  • 11
    Fitzsimons MG, Baker KH, Lowenstein E, Zapol WM. Random drug testing to reduce the incidence of addiction in anesthesia residents: preliminary results from one program. Anesth Analg. 2008;107:630-5.
  • 12
    Rice MJ, Grek SB, Swift MD, Nance JJ, Shaw AD. The need for mandatory random drug testing in anesthesia providers. Anesth Analg. 2017;124:1712-6.
  • 13
    Tetzlaff J, Collins GB, Brown DL, Leak BC, Pollock G, Popa D. A strategy to prevent substance abuse in an academic anesthesiology department. J Clin Anesth. 2010;22:143-50.
  • 14
    Fitzsimons MG, Baker K, Malhotra R, Gottlieb A, Lowenstein E, Zapol WM. Reducing the incidence of substance use disorders in anesthesiology residents: 13-years of comprehensive urine drug screening. Anesthesiology. 2018;129:821-8.
  • 15
    Vandenbroucke JP, von Elm E, Altman DG, et al. Strengthening the Reporting of Observational Studies in Epidemiology (STROBE): explanation and elaboration. Epidemiology. 2007;18:805-35.
  • 16
    Eysenbach G. Improving the quality of Web surveys: the Checklist for Reporting Results of Internet E-Surveys (CHERRIES). J Med Internet Res. 2004;6:e34.
  • 17
    Raymundo VP. Construção e validação de instrumentos um desafio para a Psicolinguística. Letras de Hoje. 2009;44:86-93.
  • 18
    Harris PA, Taylor R, Thielke R, Payne J, Gonzalez N, Conde JG. Research electronic data capture (REDCap)- a metadata-driven methodology and workflow process for providing translational research informatics support. J Biomed Inform. 2009;42:377-81.
  • 19
    Scheffer M, Cassenote A, Guerra A, et al. Demografia Médica no Brasil. 2020.2020.312.
  • 20
    Warner DO, Berge K, Sun H, Harman A, Wang T. Substance use disorder in physicians after completion of training in anesthesiology in the United States from 1977 to 2013. Anesthesiology. 2020;133:342-9.
  • 21
    Alexander BH, Checkoway H, Nagahama SI, Domino KB. Cause-specific mortality risks of anesthesiologists. Anesthesiology. 2000;93:922-30.
  • 22
    Skipper GE, Campbell MD, Dupont RL. Anesthesiologists with substance use disorders: a 5-year outcome study from 16 state physician health programs. Anesth Analg. 2009;109:891-6.
  • 23
    DesRoches CM, Rao SR, Fromson JA, et al. Physicians' perceptions, preparedness for reporting, and experiences related to impaired and incompetent colleagues. JAMA. 2010;304:187-93.
  • 24
    Lemon SJ, Sienko DG, Alguire PC. Physicians' attitudes toward mandatory workplace urine drug testing. Arch Intern Med. 1992;152:2238-42.
  • 25
    Lusk C, Delclos GL, Burau K, Drawhorn DD, Aday LA. Mail versus internet surveys: determinants of method of response preferences among health professionals. Eval Health Prof. 2007;30:186-201.

Publication Dates

  • Publication in this collection
    30 July 2021
  • Date of issue
    Jul-Aug 2021

History

  • Received
    7 Oct 2020
  • Accepted
    4 Mar 2021
Sociedade Brasileira de Anestesiologia (SBA) Rua Professor Alfredo Gomes, 36, Botafogo , cep: 22251-080 - Rio de Janeiro - RJ / Brasil , tel: +55 (21) 97977-0024 - Rio de Janeiro - RJ - Brazil
E-mail: editor.bjan@sbahq.org