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. 2021 Mar 4;2(1):e048.
doi: 10.1097/AS9.0000000000000048. eCollection 2021 Mar.

Where Did All the Appendicitis Go? Impact of the COVID-19 Pandemic on Volume, Management, and Outcomes of Acute Appendicitis in a Nationwide, Multicenter Analysis

Martin G Rosenthal  1 , Samir M Fakhry  2 , Jennifer L Morse  2 , Ransom J Wyse  2 , Jeneva M Garland  2 , Therese M Duane  3 , Andrea Slivinski  4 , Nina Y Wilson  2 , Dorraine D Watts  2 , Yan Shen  2 , Maryam Bita Tabrizi  1
Affiliations

Where Did All the Appendicitis Go? Impact of the COVID-19 Pandemic on Volume, Management, and Outcomes of Acute Appendicitis in a Nationwide, Multicenter Analysis

Martin G Rosenthal et al. Ann Surg Open. .

Abstract

Objective: The study objective was to evaluate effects of the COVID-19 pandemic on rates of emergency department (ED) acute appendicitis presentation, management strategies, and patient outcomes.

Summary background data: Acute appendicitis is the most commonly performed emergency surgery in the United States and is unlikely to improve without medical or surgical intervention. Dramatic reductions in ED visits prompted concern that individuals with serious conditions, such as acute appendicitis, were deferring treatment for fear of contracting COVID-19.

Methods: Patients from 146 hospitals with diagnosed appendicitis and arrival between March 2016 and May 2020 were selected. Electronic medical records data were retrospectively reviewed to retrieve patient data. Daily admissions were averaged from March 2016 through May 2019 and compared with March 2020. April-specific admissions were compared across the 5-year pre-COVID-19 period to April 2020 to identify differences in volume, demographics, disease severity, and outcomes.

Results: Appendicitis patient admissions in 2020 decreased throughout March into April, with April experiencing the fewest admissions. April 2020 experienced a substantial decrease in patients who presented with appendicitis, dropping 25.4%, from an average of 2030 patients (2016-2019) to 1516 in 2020. An even greater decrease of 33.8% was observed in pediatric patients (age <18). Overall, 77% of the 146 hospitals experienced a reduction in appendicitis admissions. There were no differences between years in percent of patients treated nonoperatively (P = 0.493) incidence of shock (P = 0.95), mortality (P = 0.24), or need for postoperative procedures (P = 0.81).

Conclusions: Acute appendicitis presentations decreased significantly during the COVID-19 pandemic, while overall management and patient outcomes did not differ from previous years. Further research is needed focusing on putative explanations for decreased hospital presentations unrelated to COVID-19 infection and possible implications for surgical management of uncomplicated acute appendicitis.Keywords: acute appendicitis, COVID-19, decreasing volumes, multicenter study.

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Conflict of interest statement

Disclosure: The authors declare that they have nothing to disclose.

Figures

FIGURE 1.
FIGURE 1.
Daily number of patient arrivals with an appendicitis diagnosis within a network of 146 hospitals. WHO indicates World Health Organization.
See this image and copyright information in PMC

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