The diagnosis of CD of the pouch was based
on a combined clinical, endoscopic, histologic, and radiographic
evaluations using our previously published diagnostic
criteria and algorithm.19 Cuffitis was defined as
endoscopic and histologic inflammation of the rectal columnar
cuff.20 Surgical complications were defined as surgery
technique associated structural abnormality, including sinus,
prolapse, afferent limb and efferent limb syndromes.