Abstract
Background: Many researchers have previously explored the correlation between surgical flow disruptions (distractions and interruptions) and error in cardiac surgery, however there is no reliable tool to prospectively categorize surgical flow disruptions and the conditions that predispose a surgical team to error. Methods and Results: Two independent raters of different medical and human factors expertise observed 12 cardiovascular operations and iteratively designed a tool to characterize surgical flow disruptions and the latent factors that contribute to error. Categories to characterize surgical flow disruptions were based on human factors models of human error. Following the design period, both raters observed 10 surgical cases using the tool, to assess validity and inter-rater reliability. Rating agreement (weighted kappa) for each category across the 10 surgeries was moderate to very high, resulting in strong inter-rater reliability for each category on the surgical flow disruption tool (SFDT). Conclusions: This research depicts the development and utility of a tool to analyze surgical flow disruptions in the cardiovascular operating room with satisfactory inter-rater reliability. This tool is an important first step in systematically categorizing and measuring surgical flow disruptions and their impact on patient safety in the operating room.
Published Version
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