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Medical Errors, Negligence, and Litigation

Medical Errors, Negligence, and Litigation. Harvey Murff, M.D.,M.P.H. Center for Improving Patient Safety Vanderbilt University . Estimated Deaths Due to Medical Error. Source – The Philadelphia Inquirer. How Hazardous Is Health Care? (Modified from Leape). Dangerous (>1/1000). Ultra-Safe

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Medical Errors, Negligence, and Litigation

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  1. Medical Errors, Negligence, and Litigation Harvey Murff, M.D.,M.P.H. Center for Improving Patient Safety Vanderbilt University

  2. Estimated Deaths Due to Medical Error Source – The Philadelphia Inquirer

  3. How Hazardous Is Health Care?(Modified from Leape) Dangerous (>1/1000) Ultra-Safe (<1/100K) Regulated HealthCare Driving Total lives lost per year Scheduled Airlines European Railroads Mountain Climbing Chemical Manufacturing Chartered Flights Bungee Jumping Nuclear Power Numbers of encounter for each fatality

  4. Medical Errors, Negligence, and Litigation • Medical Errors • Relationship of Medical Errors to Negligence • Why do People Sue their Doctors? • Potential Solutions to the Problem of Medical Errors

  5. Medical Errors, Negligence, and Litigation • Medical Errors • Relationship of Medical Errors to Negligence • Why do People Sue their Doctors? • Potential Solutions to the Problem of Medical Errors

  6. Definitions • Error • Failure of a planned action to be completed as intended (i.e., error of execution) or the use of a wrong plan to achieve an aim (i.e. error of planning) • Adverse Event (AE) • An injury caused by medical management rather than the underlying condition of the patient • Preventable Adverse Event • An adverse event attributable to an error Source – IOM, 2000

  7. Medical Errors Preventable AEs AE Relationship of Medical Errors to Adverse Events

  8. Epidemiology of Medical Errors • California Medical Insurance Feasibility Study (1974) • 20,864 hospital admissions • 4.65 injuries per 100 hospitalizations • Harvard Medical Practice Study (1984) • 30,121 hospital admissions in NY state • Reported adverse events (AE’s) • 3.7% of admissions had an AE

  9. Harvard Medical Practice Study Source – Brennan, 1991

  10. Harvard Medical Practice Study Source – Leape, 1991

  11. Quality in Australian Health Care Study • Reviewed 14,179 admissions in 1995 • 16.6% of admissions had an AE’s • Permanent disability 13.7% • Death 4.9% • 51% of events preventable Source – Wilson, 1995

  12. To Err is Human • IOM releases report To Err is Human (2000) • Estimates 44,000 to 98,000 unnecessary deaths each year due to medical error • Estimated 1,000,000 excess injuries due to medical error • Numbers based on the MPS and extrapolated to the general population

  13. Deaths due to Medical Error • 44,000 to 98,000 unnecessary deaths each year • More Americans are killed in US hospitals every 6 months than died in the entire Vietnam War • Death rate equivalent to three “jumbo” jet crashed every two days

  14. Are medical errors the 5th leading cause of death in the U.S.? Some important caveats about these numbers

  15. Where do these numbers come from and why might they be overestimated • Methods of the MPS • Physician implicit judgment • Causality of death difficult • Kappa statistics low • Overcoming these shortcomings • Utilizing more reviewers • Requiring greater agreement • Requiring assessment of overall prognosis

  16. Other investigators have suggested with a better methodology the number of deaths per year from medical errors is closer to 5000 Source – Hayward, 2001

  17. Views of the Public on Medical Errors • Percentage of adults experiencing an error • Medication or medical error 22% • Mistake at the physician’s office or hospital 10% • Wrong medication or dose 16% Source- The Commonwealth Fund, 2001

  18. Views of Practicing Physicians and the Public on Medical Errors Source- Blendon, 2002

  19. Why Do So Many Mistakes Occur?

  20. Human Error • Extensively studied in other industries • Cognitive psychologists divide errors into: • Errors occurring in “automatic mode” • Slips • Occur during fatigue, interruptions, anxiety • Errors occurring in “problem solving mode” • Mistakes • Occur due to incomplete knowledge and the tendency to apply rules to simplify problem solving

  21. Why is medicine so susceptible? • Lack of awareness to the problem • “Culture of Silence” • Blame and shame mentality • System constraints • Staffing problems • Fatigue • Knowledge requirements • Communication and continuity of care

  22. Medical Errors, Negligence, and Litigation • Medical Errors • Relationship of Medical Errors to Negligence • Why do People Sue their Doctors? • Potential Solutions to the Problem of Medical Errors

  23. All Errors are not Negligent • Medical negligence • Failure to meet the standard of practice of an average qualified physician practicing in the specialty in question • Occurs not merely when there is an error, but when the degree of error exceeds the accepted norm

  24. Negligent Medical Injuries All Hospitalizations Negligent Injuries (1-2%) Sources- Mills et al. (1977), Brennan et al. (1991), IOM (1999).

  25. Percent of Injuries due to Negligence California Medical Insurance Feasibility Study Harvard Medical Practice Study 17% 28% AE’s AE’s

  26. Proportion of Adverse Events Involving Negligence Source – Leape, 1991

  27. Rates of Adverse Events and Negligence by Specialty Source – Leape, 1991

  28. Percent of Negligent Injuries that File a Claim California Medical Insurance Feasibility Study Harvard Medical Practice Study 10% 13% All Negligent Injuries All Negligent Injuries

  29. 1000 All Injuries All Negligent Injuries 280 36 Files a Claim 13% of Negligent Injuries Results in a Claim

  30. 42% of public report a medical error • 66% reported serious consequences such as severe pain, substantial loss of time at work or school, disability or even death • Only 6% had sued

  31. Disposition of Claims According to the Rating of the Plaintiff's Injury and Degree of Disability Source – Brennan, 1996

  32. Logistic-Regression Analysis of Predictors That A Claim Would Be Settled in Favor of the Plaintiff Source – Brennan, 1996

  33. 1000 All Injuries All Negligent Injuries 280 6 30 Files a Claim 2% of Negligent Injuries Results in a Claim

  34. Negligent Injuries that Did Not Result in a Claim 27,179 adverse events due to negligence 26,764 with no malpractice claim (98%) 415 malpractice claims (2%) 14,180 with strong evidence of negligence 12,858 with disability 7462 with disability < 6 mo (58%) 5396 with disability ≥ 6 mo (42%) Source – Localio, 1991

  35. “Medical-malpractice litigation infrequently compensates patients injured by medical negligence and rarely identifies, and holds providers accountable for, substandard care” Source – Localio, 1991

  36. Medical Errors, Negligence, and Litigation • Medical Errors • Relationship of Medical Errors to Negligence • Why do People Sue their Doctors? • Potential Solutions to the Problem of Medical Errors

  37. Reasons Why People Sue Their Doctors Percent Expressing Concern • Advised to sue by influential other 32 • Needed money 24 • Believed there was a cover-up 24 • Child would have no future 23 • Needed information 20 • Wanted revenge, license 19 Source - Hickson, 1992

  38. Malpractice Risk • Malpractice activity is disproportionate among physicians • 75% - 85% of awards, settlement costs over a 5-year period made on behalf of 1.8% of internists 6.0% of obstetricians 8.0% of surgeons Source- Sloan, 1989, Bovbjerg, 1994

  39. Malpractice Activity and Patient Complaints Source – Hickson, 2002

  40. Nine Percent of Physicians Account for Fifty Percent of the Complaints % of Complaints % of Physicians Source – Hickson, 2002

  41. Communication and Malpractice Claims Source – Levinson, 1997

  42. Communication and Malpractice Claims Source – Hickson, 1994

  43. Medical Errors, Negligence, and Litigation • Medical Errors • Relationship of Medical Errors to Negligence • Why do People Sue their Doctors? • Potential Solutions to the Problem of Medical Errors

  44. Malpractice Litigation

  45. Relationship between Malpractice Claims History and Subsequent Obstetric Care Source – Entman, 1994

  46. Malpractice as a Barrier to Safety • Physicians overestimate the risk of being sued • Less likely to report errors as a result

  47. Malpractice Reform • Reforms include • No-fault • Enterprise liability • No-fault system used in other countries

  48. Increased Regulations • Industry • Leapfrog Consortium • Private Organizations • National Patient Safety Foundation • Joint Commission on the Accreditation of Healthcare Organizations • Federal Legislation

  49. Other Potential Solutions • Learn lessons from other industries • Aviation, Military, Nuclear Power • Development of IT infrastructures • POE, Communication • Less reliance on memory • Restriction on working hours • AAMC proposed guidelines (80 hour week) • Greater staffing to patient ratios • Improved nursing jobs • Organizational Culture

  50. “Physicians and nurses need to accept the notion that error is an inevitable accompaniment of the human condition, even among conscientious professionals with high standards. Errors must be accepted as evidence of system flaws not character flaws.” Leape, 1994

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