Document Classification

Section Type: METHODS

Text: Ninety-six females with outlet obstruction were treated with medical therapy and biofeedback for 2 months ; 67 non-responders were evaluated by the Constipation Scoring and Continence Grading Systems, clinical examination, endoscopy, dynamic defecography, anorectal manometry, transanal ultrasound and anal EMG, and 50 of them, all affected with descending perineum, intussusception and rectocele, were randomly assigned to two groups and operated on : 25 patients (mean age 53. 2 + / -15. 3 years) underwent a single Stapled Trans-Anal Prolapsectomy, associated with Perineal Levatorplasty (STAPL Group), and the other 25 (mean 54. 6 + / -14. 2 years) underwent a double Stapled Trans-Anal Rectal Resection (STARR Group).