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Medical errors may stem more from physician burnout than unsafe health care settings

July 09, 2018

Physician burnout is at least equally responsible for medical errors as unsafe medical workplace conditions, if not more so, according to a study led by researchers at the Stanford University School of Medicine.

"If we are trying to maximize the safety and quality of medical care, we must address the factors in the work environment that lead to burnout among our health care providers," said Tait Shanafelt, MD, director of the Stanford WellMD Center and associate dean of the School of Medicine. "Many system-level changes have been implemented to improve safety for patients in our medical workplaces. What we find in this study is that physician burnout levels appear to be equally, if not more, important than the work unit safety score to the risk of medical errors occurring."

The study will be published online July 9 in the Mayo Clinic Proceedings. Shanafelt, who is also a professor of hematology and the Jeanie and Stew Ritchie Professor, is the senior author. Daniel Tawfik, MD, an instructor in pediatric critical care medicine at Stanford, is the lead author.

A national epidemic

Medical errors are common in the United States. Previous studies estimate these errors are responsible for 100,000 to 200,000 deaths each year. Limited research, though, has focused on how physician burnout contributes to these errors, according to the new study.

The researchers sent surveys to physicians in active practice across the United States. Of the 6,695 who responded, 3,574 -- 55 percent -- reported symptoms of burnout. Ten percent also reported that they had made at least one major medical error during the prior three months, a figure consistent with previous published research, the study said. The physicians were also asked to rank safety levels in the hospitals or clinics where they worked using a standardized question to assess work unit safety.

"We found that physicians with burnout had more than twice the odds of self-reported medical error, after adjusting for specialty, work hours, fatigue and work unit safety rating," Tawfik said. "We also found that low safety grades in work units were associated with three to four times the odds of medical error."

Shanafelt said, "This indicates both the burnout level as well as work unit safety characteristics are independently related to the risk of errors."

Physician burnout has become a national epidemic, with multiple studies indicating that about half of all doctors experience symptoms of exhaustion, cynicism and feelings of reduced effectiveness. The new study notes that physician burnout also influences quality of care, patient safety, turnover rates and patient satisfaction.

"Today, most organizations invest substantial resources and have a system-level approach to improve safety on every work unit. Very few devote equal attention to address the system-level factors that drive burnout in the physicians and nurses working in that unit," Shanafelt said. "We need a holistic and systems-based approach to address the epidemic of burnout among health care providers if we are truly going to create the high-quality health care system we aspire to."

The study also showed that rates of medical errors actually tripled in medical work units, even those ranked as extremely safe, if physicians working on that unit had high levels of burnout. This indicates that burnout may be an even a bigger cause of medical error than a poor safety environment, Tawfik said.

"Up until just recently, the prevailing thought was that if medical errors are occurring, you need to fix the workplace safety with things like checklists and better teamwork," Tawfik said. "This study shows that that is probably insufficient. We need a two-pronged approach to reduce medical errors that also addresses physician burnout."

Impact on physicians

In addition to their effect on patients, both errors and burnout can also have serious personal consequences for physicians. "We also know from our previous work that both burnout and medical errors independently double the risk of suicidal thoughts among physicians," Shanafelt said. "This contributes to the higher risk of death by suicide among physicians relative to other professionals."
-end-
Jochen Profit, MD, associate professor of pediatrics at Stanford, and researchers at the Mayo Clinic also contributed to the study.

The work was supported by the National Institutes of Health (grants R01HD084679 and K24HD053771), the Jackson Vaughan Critical Care Research Fund, the Mayo Clinic Program on Physician Well-Being and the American Medical Association and the Mayo Clinic Program on Physician Well-Being.

Stanford's Department of Medicine also supported the work.

The Stanford University School of Medicine consistently ranks among the nation's top medical schools, integrating research, medical education, patient care and community service. For more news about the school, please visit http://med.stanford.edu/school.html. The medical school is part of Stanford Medicine, which includes Stanford Health Care and Lucile Packard Children's Hospital Stanford. For information about all three, please visit http://med.stanford.edu.

Print media contact: Tracie White at (650) 723-7628 (traciew@stanford.edu)
Broadcast media contacts: Margarita Gallardo at (650) 723-7897 (mjgallardo@stanford.edu)

Stanford Medicine

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