Analysis of influencing factors on recurrence or anal fistula formation after incision and drainage of perianal abscess
Objective To explore the risk factors on the recurrence or anal fistula formation after incision and drainage of perianal abscess.Methods A retrospective analysis was conducted on the data of 160 patients of perianal abscess treated by sim-ple incision and drainage surgery in a hospital from January 2021 to December2023.According to clinical outcomes,all patients were divided into a recurrence/anal fistula group and a recovery group.The differences in clinical data between the two groups were compared,and multiple logistic regression analysis was used to identify the risk factors for recurrence or anal fistula forma-tion after incision and drainage surgery.Results Among the 160 cases,65 patients(40.62%)experienced postoperative ab-scess recurrence or anal fistula formation one year after surgery,and 95 patients(59.38%)were cured.Unifactorial and multi-variate analysis showed that the history of chronic diarrhea(OR=2.045,P=0.015),deep abscess(OR=0.511,P=0.025),gram-negative bacteria(OR=3.725,P=0.012),and horseshoe abscess(OR=2.324,P=0.009)are risk factors for recurrence or anal fistula formation after incision and drainage of perianal abscess.Conclusions The History of chronic diar-rhea,deep abscess,gram-negative bacteria and horseshoe abscess may increase the risk of recurrence or anal fistula formation af-ter perianal abscess incision and drainage surgery.
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