Introduction/Background Complete cytoreduction is the most critical prognosticator for survival in ovarian cancer patients. Prediction of suboptimal cytoreduction surgery for advanced ovarian cancer can prevent unnecessary surgery and morbidity. Therefore, the present study compared the R0 rates of patients with advanced stage ovarian cancer in two different settings, one having multidisciplinary team hospital and one without a multidisciplinary team hospital.

Methodology Retrospective cohort study of patients with advanced ovarian cancer who underwent upfront debulking surgery in two settings (n=225). Surgery for advanced stage ovarian cancer may include splenectomy, colon resection, hepatic resection, diaphragmatic stripping, peritonectomy, cholecystectomy, total colectomy, parciel colectomy, primary anastomosis, small intestine resection, ilioanal anastomosis, j poche application, liver resection, cholesystectomy, diafragmatic stripping, and implant resection. The rate of complete cytoreduction in the multidisciplinary team hospital was compared with the rates in the non-multidisciplinary team hospital.

Results The results of the study showed that multidisciplinary team hospitals had a significantly higher rate of complete cytoreduction than non-multidisciplinary team hospitals. R0 rates were 87% vs 45% (p<0.05).

Conclusion Preoperative evaluation to decide resectability of the advanced stage ovarian cancer is not always reliable. Our results supported that multidisciplinary team competence and experience of physicians were more predictive of complete cytoreductive surgery.

Disclosures The authors have no potetial conflict of interest to report.