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. 2024 Dec;49(12):4249-4256.
doi: 10.1007/s00261-024-04471-w. Epub 2024 Jul 2.

Time to improve the management of patients with suspected acute appendicitis: a retrospective study

Anita Paisant  1   2   3 , Emma Faroche  1   4 , Alban Fouche  1 , Arthur Legrand  1 , Christophe Aube  1   2   3 , Jean-François Hamel  5 , Aurélien Venara  6   7   8   9
Affiliations

Time to improve the management of patients with suspected acute appendicitis: a retrospective study

Anita Paisant et al. Abdom Radiol (NY). 2024 Dec.

Abstract

Purpose: Preoperative imaging is now recommended in patients with suspected acute appendicitis (AA) by the World Society of Emergency Surgery. Our aims were (i) to describe our local practice and (ii) to evaluate the efficiency of performing ultrasound (US) and/or computed tomography (CT) by assessing management failure, specificity and sensitivity, and length of stay in the emergency department (ED).

Methods: This single-center retrospective study included all patients who underwent US or CT for the management of suspected AA. Patients were included if they were admitted to the ED in February or June between 2012 and 2021.

Results: The study included 339 patients. US was performed in 278 patients (82%), of whom 91 also had a second-line CT (31.3%). There was a significant increase in the rate of CT over the inclusion period. Three percent (3%) of the patients had management failure and a higher age and CT or US + CT were significantly associated with the risk of management failure. Length of stay in the ED increased significantly when a second-line CT was performed. The sensitivity and specificity of US were 84.8% and 93.2%, respectively. Sensitivity was significantly different from CT (100%, p = 0.03) but not specificity (87.9%, p = 0.29). Both US and CT results were more likely to be considered for further management if positive. The vast majority of patients with negative or inconclusive results were admitted in surgical wards or underwent a second-line examination.

Conclusion: If available in the hospital together with CT, US should probably be performed systematically and as a first-line examination in patients with suspected acute appendicitis.

Keywords: Adult; Appendicitis; Computed-Tomography scan; Ultrasonography.

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