Background: The rate of stoma closure after cytoreductive surgery (CRS) ± hypethermic intraperitoneal chemotherapy (HIPEC) is reportedly low. This study aimed to assess predictors of stoma reversal.
Methods: We retrospectively analyzed all patients who underwent CRS with temporary ostomy at our center between 2009 and 2021, and compared reversed versus non-reversed patients.
Results: Out of 625 CRS, 72 (11.5%) patients were included (median age 62 years, 65% female, 75% with HIPEC): 53 (74%) achieved stoma closure. Reversed patients had less high grade tumors, more appendiceal mucinous neoplasms, less ovarian primaries, and more loop ileostomies. The most common reason for non-reversal was disease progression or death (14 cases, 74%). At multivariate analysis, low/intermediate grade tumor differentiation was associated with higher stoma closure rate.
Conclusion: In our study, 74% of patients achieved stoma closure after CRS with temporary ostomy. The strongest predictor of stoma closure was a low/intermediate grade tumor.
Keywords: Cytoreductive surgery; Hyperthermic intraperitoneal chemotherapy; Ostomy reversal; Stoma closure.
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