Middle-of-the-night PCIs do not adversely affect success of next-day procedures

March 30, 2012

A single-center study found that percutaneous coronary intervention (PCI) procedures performed during the middle of the night do not adversely affect the safety and effectiveness of procedures performed the next day by the same operator. Findings now available in Catheterization and Cardiovascular Interventions, a journal published by Wiley-Blackwell on behalf of The Society for Cardiovascular Angiography and Interventions (SCAI), show late night work while on call does not worsen performance of the interventionist doing PCIs the next day.

Studies have shown that sleep deprivation in medical personnel may increase the risk of serious , percutaneous injuries and . Moreover, previous research has reported higher complication and failure rates for PCIs performed after regular working hours. However, to date no study has provided evidence of operator fatigue on the success and complication rates of PCI procedures. Each year more than one million PCI procedures, commonly known as , are performed in the U.S. according to the National Heart, Lung, and Blood Institute.

For the present study, Vitalie Crudu, MD, and colleagues from Geisinger Medical Center in Danville, Pa., identified PCIs performed at the center from January 1, 2005 through December 31, 2009 between 11 p.m. and 7 a.m. PCIs performed during the following work day by the same interventionist were compared to PCI's performed by interventionists not on call the night before.

The team reported 3,944 PCIs were performed by four operators during the five-year period, which included 167 PCIs performed by operators after late night work while on call. The overall incidence of complications were similar in the PCIs done by operators working the night before compared with PCIs done by rested physicians. Types of complications identified as potentially more sensitive to operator error or judgement occurred with similar frequency in both groups. The post-call physician PCIs had 1.2% intra-procedural deaths compared to 0.2% in the rested physician group, a difference that was not statistically significant. Researchers reported more frequent excessive bleeding at the access site in the rested versus post-call PCIs at 2.7% and 0%, respectively.

"Our investigation found no evidence that middle-of-the-night PCIs adversely affect safety or efficacy of procedures performed the subsequent day by the same interventionist," concludes Dr. Crudu. "Further study with larger a larger number of cases is necessary to identify any warning signals of correlations between and PCI outcomes." In the interim, the authors suggest that sleep-deprived interventionists could minimize risk by deferring emergency cases to rested colleagues and avoiding elective high risk PCIs while fatigued.

Explore further: Most PCIs (such as balloon angioplasty) performed in US for acute indications appear warranted

More information: "Middle-of-the-Night PCI Does Not Affect Subsequent Day PCI Success and Complication Rates by the Same Operator." Vitalie Crudu, Jennifer Sartorius, Peter Berger, Thomas Scott, Kimberly Skelding and James Blankenship. Catheterization and Cardiovascular Interventions; Published Online: March 30, 2012 (DOI: 10.1002/ccd.23504).

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