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Outcomes on diverting ostomy formation and reversal after low anterior resection in the older more advanced rectal cancer patient.

S. Ketelaers,R. Orsini,G. Nieuwenhuijzen,H. Rutten,J. Burger,J. G. Bloemen

Published 2021 in European Journal of Surgical Oncology

ABSTRACT

BACKGROUND To decrease morbidity caused by anastomotic leakages after a low anterior resection (LAR) with primary anastomosis, a diverting ostomy is often created. Reversal of a diverting ostomy is associated with morbidity, which may result in non-reversal, particularly in the elderly. This study aimed to describe the diverting ostomy-related outcomes in elderly patients with more advanced rectal cancer after LAR. MATERIALS AND METHODS All rectosigmoid and rectal cancer patients ≥70 years who underwent LAR with primary anastomosis between 2006 and 2019 in the Catharina Hospital (Eindhoven, The Netherlands) were included for analyses. Reversal rates, ostomy-related complications, morbidity and mortality after ostomy reversal, and definitive ostomy rates were evaluated. RESULTS In total 164 patients were included, of which 150 (91.5%) underwent primary or secondary ostomy creation. Ostomy-related complications were reported in 34.7% (95%-CI 27.1-42.9%). In total, 72.5% (95%-CI 64.2-79.7%) reversed their diverting ostomy. Non-reversal was mostly due to relapsing disease (52.6%). Median time to ostomy reversal was 3.2 months (IQR 2.3-5.0). No or minor complications after ostomy reversal were observed in 84.0% (95%-CI 75.3-90.6%). Over time, ostomy recreation was performed in 15.0% (95%-CI 8.6-23.5%), and ultimately 65.8% (95%-CI 57.8-73.2%) were ostomy-free after the median follow-up of 3.8 years. CONCLUSION Although most elderly successfully reversed their diverting ostomy after LAR with limited morbidity, attention should be paid for the risk of non-reversal and ostomy recreation over time. Preoperative patient counselling is important in every individual to be able to decide if LAR with primary anastomosis or a permanent end colostomy is preferred.

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