• Claire D Gerall, Jennifer R DeFazio, Anastasia M Kahan, Weijia Fan, Erica M Fallon, William Middlesworth, Steven Stylianos, Jeffrey L Zitsman, Angela V Kadenhe-Chiweshe, Nitsana A Spigland, Cornelia L Griggs, Sandra K Kabagambe, Gabriel Apfel, Daniel B Fenster, and Vincent P Duron.
• Division of Pediatric Surgery, Department of Surgery, Columbia University Vagelos College of Physicians and Surgeons / NewYork-Presbyterian Morgan Stanley Children's Hospital, 3959 Broadway CH2N, New York, NY 10032.
• J. Pediatr. Surg. 2021 May 1; 56 (5): 905-910.

ObjectiveEarly presentation and prompt diagnosis of acute appendicitis are necessary to prevent progression of disease leading to complicated appendicitis. We hypothesize that patients had a delayed presentation of acute appendicitis during the COVID-19 pandemic, which affected severity of disease on presentation and outcomes.Patients And MethodsWe conducted a retrospective review of all patients who were treated for acute appendicitis at Morgan Stanley Children's Hospital (MSCH) between March 1, 2020 and May 31, 2020 when the COVID-19 pandemic was at its peak in New York City (NYC). For comparison, we reviewed patients treated from March 1, 2019 to May 31, 2019, prior to the pandemic. Demographics and baseline patient characteristics were analyzed for potential confounding variables. Outcomes were collected and grouped into those quantifying severity of illness on presentation to our ED, type of treatment, and associated post-treatment outcomes. Fisher's Exact Test and Kruskal-Wallis Test were used for univariate analysis while cox regression with calculation of hazard ratios was used for multivariate analysis.ResultsA total of 89 patients were included in this study, 41 patients were treated for appendicitis from March 1 to May 31 of 2019 (non-pandemic) and 48 were treated during the same time period in 2020 (pandemic). Duration of symptoms prior to presentation to the ED was significantly longer in patients treated in 2020, with a median of 2 days compared to 1 day (p = 0.003). Additionally, these patients were more likely to present with reported fever (52.1% vs 24.4%, p = 0.009) and had a higher heart rate on presentation with a median of 101 beats per minute (bpm) compared to 91 bpm (p = 0.040). Findings of complicated appendicitis on radiographic imaging including suspicion of perforation (41.7% vs 9.8%, p < 0.001) and intra-abdominal abscess (27.1% vs 7.3%, p = 0.025) were higher in patients presenting in 2020. Patients treated during the pandemic had higher rates of non-operative treatment (25.0% vs 7.3%, p = 0.044) requiring increased antibiotic use and image-guided percutaneous drain placement. They also had longer hospital length of stay by a median of 1 day (p = 0.001) and longer duration until symptom resolution by a median of 1 day (p = 0.004). Type of treatment was not a predictor of LOS (HR = 0.565, 95% CI = 0.357-0.894, p = 0.015) or duration until symptom resolution (HR = 0.630, 95% CI = 0.405-0.979, p = 0.040).ConclusionPatients treated for acute appendicitis at our children's hospital during the peak of the COVID-19 pandemic presented with more severe disease and experienced suboptimal outcomes compared to those who presented during the same time period in 2019.Level Of EvidenceIII.Copyright © 2020. Published by Elsevier Inc.

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