Wrong-site surgeries can lead to serious patient harm and are considered never events by the National Quality Forum. Based on events reported to the Pennsylvania Patient Safety Reporting System between 2015 and 2019, the authors identified an average of 1.42 wrong-site surgery events per week and found that three-quarters of events resulted in temporary or permanent patient harm. The authors present several evidence-based strategies to reduce the likelihood of wrong-site surgery, including preoperative and intraoperative verification, site marking, and timeouts.  

Operating room list errors are often cited as leading to wrong-side, wrong-site or wrong-procedure errors. This retrospective study analyzed two years of data from the United Kingdom and found that while no wrong-side, wrong-site or wrong-procedure surgeries were performed during the period, 0.29% of cases (86 cases) included a list error. Wrong-side list errors accounted for the majority of all list errors (72%). Tracking and reducing operating room list errors may help to prevent wrong-side, -site, or -procedure errors.

Wrong-site surgery represents a never event. In the United States, The Joint Commission requires marking of the surgical site prior to surgery as part of the Universal Protocol. Researchers conducted a survey study of 120 surgeons in the United Kingdom and found significant variation in adherence to the national mandate for preoperative surgical site-marking.