Surgery within 24 hours for perianal sepsis

What is known

• A 983-patient retrospective cohort found delayed surgical intervention and shorter symptomatic period associated with abscess recurrence, not mortality, and that timely drainage should not be delayed. ¹
• Survey/guideline data endorse prompt surgical drainage of perianal abscess/perineal sepsis under general anesthesia, but as consensus practice rather than a mortality-based 24-hour threshold. ^2,3
• In perianal fistulizing crohn's, sepsis-related death was reported but rare (roughly 1.5–1.8%), and no study attributed mortality to timing of drainage. ⁴

What is unknown / caveats

• No study defines or tests a 24-hour operative threshold
• Outcomes are recurrence/fistula formation, not mortality
• Evidence is retrospective cohort and survey/consensus, no rct
• The retrieved evidence cannot quantify a mortality effect of any specific time-to-drainage cutoff.

References

1. Barkai O, Abramov R, Harbi A, Gilshtein H. Characterization of Risk Factors Affecting the Recurrence of Perianal Abscesses and Complications. Isr Med Assoc J. 2024;26(7):428-433. PMID: 39082452.

2. De Simone B, Davies J, Abu-Zidan FM, Sartelli M, Pellino G, Deeken G, Biffl WL, De'Angelis N, Moore EE, Coimbra R, Group MC, Catena F. Management of inflammatory bowel disease in the emergency setting: the MIBODI international survey and evidence-based practices. Eur J Trauma Emerg Surg. 2024;50(6):3251-3272. PMID: 38695887.

3. Chiarello MM, Pepe G, Fico V, Bianchi V, Tropeano G, Altieri G, Brisinda G. Therapeutic strategies in Crohn's disease in an emergency surgical setting. World J Gastroenterol. 2022;28(18):1902-1921. PMID: 35664965.

4. McKay C, Bolzani A, Kienzle S, Geransar P, Panés J. Epidemiology, treatment patterns, and associated risk factors in perianal fistulizing Crohn's disease: A systematic literature review. World J Gastrointest Surg. 2025;17(7):101767. PMID: 40740890.

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Draft, generated by the IBDology RAG and not yet clinician-reviewed. Answers are grounded in the retrieved literature listed above; a high faithfulness score means the answer matches its sources, not that the sources are correct.