• J Biomed Inform · Jan 2021

    A retrospective approach to evaluating potential adverse outcomes associated with delay of procedures for cardiovascular and cancer-related diagnoses in the context of COVID-19.

    • Neil S Zheng, Jeremy L Warner, Travis J Osterman, Quinn S Wells, Xiao-Ou Shu, Stephen A Deppen, Seth J Karp, Shon Dwyer, QiPing Feng, Nancy J Cox, Josh F Peterson, C Michael Stein, Dan M Roden, Kevin B Johnson, and Wei-Qi Wei.
    • Department of Biomedical Informatics, Vanderbilt University Medical Center, Nashville, TN, USA.
    • J Biomed Inform. 2021 Jan 1; 113: 103657.

    ObjectiveDuring the COVID-19 pandemic, health systems postponed non-essential medical procedures to accommodate surge of critically-ill patients. The long-term consequences of delaying procedures in response to COVID-19 remains unknown. We developed a high-throughput approach to understand the impact of delaying procedures on patient health outcomes using electronic health record (EHR) data.Materials And MethodsWe used EHR data from Vanderbilt University Medical Center's (VUMC) Research and Synthetic Derivatives. Elective procedures and non-urgent visits were suspended at VUMC between March 18, 2020 and April 24, 2020. Surgical procedure data from this period were compared to a similar timeframe in 2019. Potential adverse impact of delay in cardiovascular and cancer-related procedures was evaluated using EHR data collected from January 1, 1993 to March 17, 2020. For surgical procedure delay, outcomes included length of hospitalization (days), mortality during hospitalization, and readmission within six months. For screening procedure delay, outcomes included 5-year survival and cancer stage at diagnosis.ResultsWe identified 416 surgical procedures that were negatively impacted during the COVID-19 pandemic compared to the same timeframe in 2019. Using retrospective data, we found 27 significant associations between procedure delay and adverse patient outcomes. Clinician review indicated that 88.9% of the significant associations were plausible and potentially clinically significant. Analytic pipelines for this study are available online.ConclusionOur approach enables health systems to identify medical procedures affected by the COVID-19 pandemic and evaluate the effect of delay, enabling them to communicate effectively with patients and prioritize rescheduling to minimize adverse patient outcomes.Copyright © 2020 Elsevier Inc. All rights reserved.

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