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Surgical Errors: Surgeons Make More Mistakes in the Operating Room Due to Stress

by Adeline Dorcas on December 18, 2018 at 11:12 AM
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Surgical Errors: Surgeons Make More Mistakes in the Operating Room Due to Stress

Stressed-out surgeons make more mistakes in the operating room, reports a new study. The findings of the study are published in the British Journal of Surgery.

A new study reveals that during stressful moments in the operating room, surgeons make up to 66 percent more mistakes on patients.

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Using a technology that captured the electrical activity of a surgeon's heart, researchers found that during intervals of short-term stress, which can be triggered by a negative thought or a loud noise in the operating room, surgeons are much more prone to make mistakes that can cause bleeding, torn tissue, or burns.

The results of the study could lead to the development of protocol aiming to reduce acute or short-term stress on surgeons working in the operating room. Medical errors cause between 250,000-440,000 deaths annually in the U.S., with a proportion of those mistakes occurring in operating rooms. Any change in common practice that reduces the number of mistakes made by surgeons due to stress would also reduce the number deaths.
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It's an important study published in a prestigious journal, and even more impressive is that its lead author, Peter Dupont Grantcharov, is a master's student at the Data Science Institute at Columbia University. A year and a half ago, Grantcharov had the idea to ask Dr. Homero Rivas, Associate Professor of Surgery at Stanford Medical Center, to wear a Hexoskin Smart Shirt under his scrubs while he did surgeries.

The shirt, designed to give athletes precise physiological data during workouts, measures the electrical impulses that trigger heartbeats. From this data, Grantcharov derived heart-rate variability statistics? the variation in times between heartbeats, to determine Rivas's momentary stress levels.

Grantcharov was also allowed in the operating room, where he collected laparoscopic video recordings of Rivas as he worked. Another researcher later reviewed the recordings and documented Rivas's mistakes using validated frameworks for assessing surgical performance. Both his stress levels and surgical errors were time stamped so that Grantcharov could correlate the two. This data yielded the somewhat alarming finding that the effect of short-term stress on surgical error is as high as a 66 percent increase.

"I was surprised by that, as well as by the amount of distractions in the operating room," says Grantcharov, who did the study while working as a research assistant at the Stanford Medical Center before enrolling at DSI.

"Many machines have alarms that go off periodically, equipment malfunctions, side conversations take place, people walk in and out of the OR - I could go on. My hope is that other researchers will build upon our work to make further strides in learning about the causes of stress on surgical personnel. If our study helps make the OR a safer place for patients, I'd be thrilled."

Grantcharov was involved in designing the study, collecting and analyzing the stress and surgical performance data as well as writing the manuscript. It was his first experience with data science, and he loved it. In point of fact, this research is what prompted him to enroll in the master's program at DSI, where he just completed his first semester.

Source: Eurekalert
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