4.3 Article

Association of Resident Shift Length with Procedural Complications

Journal

JOURNAL OF EMERGENCY MEDICINE
Volume 61, Issue 2, Pages 189-197

Publisher

ELSEVIER SCIENCE INC
DOI: 10.1016/j.jemermed.2021.02.029

Keywords

emergency medicine; work schedule tolerance; medical errors; iatrogenic disease; patient safety; patient harm

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The complication rates of procedures performed by emergency medicine residents were higher during the last 4 hours of a 12-hour shift compared to the first 8 hours. Training programs should take into consideration the impact of resident fatigue on patient safety when creating work schedules.
Background: Training programs for resident physicians struggle to balance the need for clinical experience with the impact of fatigue on patient safety. The length of shifts worked by emergency medicine (EM) residents is likely an important determinant of resident fatigue. Objective: Assess the impact of a longer clinical shift on procedural competency. Methods: We conducted a retrospective chart review of arterial line placements, central venous catheterizations, tube thoracostomies, endotracheal intubations, and lumbar punctures performed by EM residents working 12-h shifts in the emergency department of an academic medical center over an academic year. We compared complication rates between procedures performed in the first 8 vs. the last 4 h of a 12-h shift. Procedures without complication were defined as successful on first-pass attempt and without a downstream mechanical or medical complication. Multivariable modified Poisson regression was used to simultaneously control for possible confounders affecting procedure success. Results: We identified 548 eligible procedures: 307 performed in the first 8 h of a 12-h shift and 241 in the last 4 h. The complication rate across all procedures was higher in the last 4 h of the shift (pooled risk ratio 1.41, 95% confidence interval 1.18-1.67). This effect persisted when adjusting for potential confounders (adjusted risk ratio 1.42, 95% confidence interval 1.19-1.69). Conclusion: Overall, complication rates of included procedures performed by EM residents were higher during the last 4 vs. first 8 h of a 12-h shift. Training programs should consider the impact of resident fatigue on patient safety when making work schedules. (C) 2021 Elsevier Inc. All rights reserved.

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