Increased Grades of Rectal Intussusception: Role of Decline in Pelvic Floor Integrity and Association with Dyssynergic Defecation.

Our data suggests that decline in pelvic floor integrity with abnormal levator ani laxity is associated with increased RI grades; a process that is independent of age, history of vaginal deliveries and/or pelvic surgeries, and perhaps related to dyssynergic defecation.