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. 2023 Sep;93(9):2161-2165.
doi: 10.1111/ans.18370. Epub 2023 Apr 20.

Acute diverticulitis in immunosuppressed patients: a 12-year management experience

Navid Ahmadi  1   2   3 , Nima Ahmadi  1   3 , Praveen Ravindran  4 , Tae Jun Kim  1   3 , Christopher M Byrne  1   3 , Christopher J Young  1   3
Affiliations

Acute diverticulitis in immunosuppressed patients: a 12-year management experience

Navid Ahmadi et al. ANZ J Surg. 2023 Sep.

Abstract

Background: Diverticular disease of the colon occurs commonly in developed countries. Immunosuppressed patients are thought to be more at risk of developing acute diverticulitis, worse disease, and higher complications secondary to therapy. This study aimed to assess outcomes for immunosuppressed patients with acute diverticulitis.

Method: A retrospective single-centre review was conducted of all patients presenting with acute diverticulitis at a major tertiary Australian hospital from 2006 to 2018.

Result: A total of 751 patients, comprising of 46 immunosuppressed patients, were included. Immunosuppressed patients were found to be older (62.25 versus 55.96, p = 0.016), have more comorbidities (median Charlson Index 3 versus 1, P < 0.001), and undergo more operative management (13.3% versus 5.1%, P = 0.020). Immunosuppressed patients with paracolic/pelvic abscesses (Modified Hinchey 1b/2) were more likely to undergo surgery (56% versus 24%, P = 0.046), while in patients with uncomplicated diverticulitis, there was no difference in immunosuppressed patients undergoing surgery (6.1% versus 5.1% P = 0.815). Immunosuppressed patients were more likely to have Grade III-IV Clavien-Dindo complication (P < 0.001).

Conclusion: Immunosuppressed patients with uncomplicated diverticulitis can be treated safely with non-operative management. Immunosuppressed patients were more likely to have operative management for Hinchey 1b/II and more likely to have grade III/IV complications.

Keywords: colonic diverticular disease; colonic diverticulitis; elective surgery; emergent surgery; immunosuppression.

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