**7.3 Pouch failure rate**

Pouch failure rates range from 5.5 to 8.5%, depending upon the length of followup [36]. In Fazio data, 3707 patients underwent primary pouch, and 328 (8.1%) redo pouch surgery (primary surgery in other centers). Pouch failure occurred in 197 (5.5%) of the 3707. During a median follow-up of 84 months, 119 patients (3.2%) required excision of the pouch, 32 (0.8%) had a nonfunctioning pouch, and 46 patients (1.2%) had redo IPAA [2].
