Abstract
Abstract Background Crohn’s disease (CD) complicated with intra-abdominal abscess often requires surgical intervention. Image guided percutaneous drainage (PD) can help to avoid surgical interventions, however there is limited evidence on the optimal management after PD. Our study aimed to analyze the long-term outcomes of CD complicated with intra-abdominal abscess after intervention. Methods In this multicenter, multinational retrospective trial penetrating CD patients with simplex intra-abdominal abscess were enrolled and followed. Baseline was defined as the day of the first detection of simplex abdominal abscess, while follow-up period of 12-24 months was set. Patients with urgent resection were excluded. Patients were grouped based on elective surgical need during follow-up after a successful PD, while a control group of patients after resection without PD is created. Primary outcome was the abscess recurrence, while stoma rate, post procedural complications rate (<30 days), and postoperative luminal recurrence were analyzed as secondary outcomes. Logistic regression and Cox-regression models were created, while descriptive statistics, Welch’s test, and Fisher’s exact test were used to compare groups, with p-values <0.05 considered significant. Results A total of 131 CD patients from 7 countries were recruited (Table 1., 58% were male, the median age at inclusion was 31.4 [IQR25-40] years) and 74/131 patients had PD due to simplex abdominal abscess during a median follow-up of 104 (74-104) weeks. Abscess recurrence rates did not differ between groups (p=0.155, Figure 1.); however baseline SES-CD score was coupled with increased risk of recurrence (HR=1,17, 95% CI 0.993-1.389). Need for re-drainage was more common amongst PD patients (OR=0.092, 95% CI=0.012-0.732), while new stoma was created more frequently in patients without prior PD (OR=2.50, 95% CI=1.034-6.034). Postoperative luminal recurrence was similar between groups based on PD. Surgical complications were coupled with increased odds in patients without prior PD (OR=8.609, 95% CI=1.825-40.616), septic complications, perforation and new fistula formation were reported the most, while PD associated complication did not occur. Conclusion However, abscess recurrence did not differ between groups, PD prior to surgery strongly correlated with less stoma creature. Furthermore, surgical treatment of intra-abdominal abscess alone may be coupled with post procedural complications.
Published Version
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