• H Lee, Y-H Kim, J H Kim, D K Chang, H J Son, P-L Rhee, J J Kim, S W Paik, and J C Rhee.
• Department of Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Irwon-dong 50, Gangnam-Gu, Seoul 135-710, South Korea.
• Dig Liver Dis. 2006 Sep 1;38(9):659-64.

BackgroundThere is little agreement about the efficacy of nonsurgical treatment for abscess associated with Crohn's disease. Furthermore, there is no study on characteristics of abscess or patient that nonsurgical treatment could be worth trying as initial treatment.AimsTo evaluate the outcome of nonsurgical treatment in Crohn's disease-related abscess and identify factor leading to failure of nonsurgical treatment of this complication.PatientsTwenty-four patients, who consecutively admitted for Crohn's disease-related abscess to our institution during a 7-year period, underwent nonsurgical treatment as initial therapy.MethodsOutcome data such as recurrence and intractability, and clinical features were retrospectively analysed. Univariate analysis with patient-related factors and abscess-related factors was performed for risk factor identification.ResultsMedian follow-up period was 47.5 months. Of the eligible patients, 19 patients were treated medically and 5 patients underwent percutaneous catheter drainage with medical treatment. Overall success rate of nonsurgical treatment in our centre was 66.7%. The cumulative recurrence rate at 7 months was 12.5%. All recurrences occurred within 7 months from complete resolution on follow-up imaging. Univariate analysis showed that the significant factors which lead to failure of nonsurgical treatment were presence of associated fistula and concurrent steroid use (P=0.019 and P=0.019, respectively).ConclusionNonsurgical treatment can be considered as initial treatment modality for the Crohn's disease-related abscess without concurrent steroid therapy or relevant fistula.

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