• Yu Yang, Yuxuan Li, and Xiaohui Du.
• Department of General Surgery, First Medical Center of Chinese PLA General Hospital, Beijing 100853, PR China.
• Am J Emerg Med. 2021 Aug 1; 46: 747774-77.

ObjectivesTo investigate the influence of Coronavirus Disease 2019 on incidence of acute complex appendicitis and management of acute appendicitis.MethodsPatients undergoing acute appendicitis surgery in a single center during the COVID-19 epidemic from January to September 2020 and patients from January to September 2019 were taken as the epidemic group and control group respectively. The clinical characteristics and surgical pathological information were compared between the two groups. The primary outcome measure was complex appendicitis.ResultsA total of 235 patients were included in the study, containing 106 in the epidemic group and 129 in the control group. The patients in the epidemic group had a significantly longer interval from the onset of symptoms to registration (37.92 h vs 24.57 h, P = 0.028), from registration to admission (18.69 h vs 8.04 h, P < 0.001), and from admission to surgery (7.23 h vs 6.52 h, P = 0.016). The epidemic group had a higher incidence of suppurative appendicitis (86.8% vs 76.0%, P = 0.036) and a higher incidence of complex appendicitis (35.8% vs 19.4%, P = 0.005).ConclusionHigher incidence of acute complex appendicitis seemed to occur during COVID-19 outbreak.Copyright © 2021. Published by Elsevier Inc.

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