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Complicated Crohn's disease (CD) will require surgical treatment during patients' lifetime, with a considerable recurrence rate requiring additional surgery. The present study is a retrospective analysis of a prospectively maintained database in an IBD Tertiary Centre that included all the consecutive, unselected patients undergoing surgery for CD between 1993 and 2019. Patients treated with small bowel resections, colonic resections, conventional and non-conventional strictureplasties were considered. The aim was to evaluate morbidity and long-term recurrence of repeated surgery. Among the population included, the following procedures were performed: 713 (58.2%) primary surgery (group S1), 325 (26.5%) first recurrence (group S2), and 186 (15.3%) multiple recurrences (group S3). Patients undergoing repeat surgery were older (p &lt; 0.0001) and had a longer disease duration (p &lt; 0.0001), extended disease (p = 0.0001), shorter time frame to first surgery (p &lt; 0.0001), nutritional impairment (p &lt; 0.0001), and a history of aggressive medical therapy (p = 0.04). Patients undergoing surgery for recurrences required higher complexity level surgery, with more conservative approaches (p = 0.0004) and a higher ostomy number (p = 0.06). Recurrent patients had higher short bowel syndrome rate (p &lt; 0.0001), higher minor (p = 0.04) but not major (p = 0.2) postoperative complications rate. The 10-year surgical recurrence rate was 18% for group S1, 27% for S2, and 48% for S3, with significant differences at the log-rank test. Repeated surgery for complicated CD was associated with an increased rate of minor, but not major complications, requiring high-risk surgery, with a major ostomy rate and short bowel syndrome, and is associated with an increased long-term surgical recurrence, even on strictureplasty sites.

updates in surgery

Repeated surgery for recurrent Crohn’s disease: does the outcome keep worsening operation after operation? A comparative study of 1224 consecutive procedures