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Should an interval appendectomy be done in patients with perforated appendicitis and who have been managed conservatively or nonoperatively with intravenous antibiotics and percutaneous drainage of an abscess, if present? Or, can these patients be followed-up with MRI scans?
The Peri–Appendicitis Acuta randomized clinical trial examined this question and found the answer. It recommends interval appendectomy for patients with perforated appendicitis managed conservatively at the time of presentation to exclude an appendiceal neoplasm.
In the trial, 60 patients were randomized either to interval appendectomy or follow-up with magnetic resonance imaging (MRI). All patients underwent colonoscopy. Data was analyzed from April 2016 to September 2017.
The incidence of appendiceal neoplasms was high. The overall neoplasm incidence was 20% with all neoplasms in patients older than 40 years.
The trial was terminated early because of ethical concerns due to a high incidence of appendiceal neoplasms. All patients were offered appendectomy.
The 1-year outcomes have been published in March 2019 issue of JAMA Surgery.
(Source: JAMA Surg. 2019;154(3):200-207)
Dr KK Aggarwal
Padma Shri Awardee
President Elect Confederation of Medical Associations in Asia and Oceania (CMAAO)
Group Editor-in-Chief IJCP Publications
President Heart Care Foundation of India
Past National President IMA