[Minimal invasive surgery in female urinary incontinence: TVT-O].

OBJECTIVE We presented our experience in the application of Tvt-O, a surgical a new technic for SUI. METHOD Between April and December 2004, 96 patients underwent Tvt-O surgery, in Uroginecology and Vaginal Surgery Unit of the Gynecology and Obstetrics Department, Las Condes Clinic. Median age was 54 years old, weight 65 kgs. Urodinamia test: SUI II 80 cases, SUI III 4, SUI 0 in 3, and mixed urinary incontinence 9. Gynecare TVT Obturator System technique was used, Ethicon Johnson & Johnson. It has three specific instruments: helical passers, plastic tubes fixed to mesh of prolene, and a guide for the introduction of the needle. RESULTS Media time was 7 minutes (4 to 15). Other gynecological surgery was associated in 77 (80%). Complications did not appear during the surgical act. No injury to bladder and urethra was observed. We observed in immediate postoperative period only one complication (1.04%). It was urinary retention. One complication appeared (1.04%) in remote postoperative period, corresponding polypropylene tape exposition in the anterior vaginal wall. SUI solution was obtained in 100% of patients. The medium time of observation is 6 months, 51 cases have more than 6 months of observation. DISCUSSION Tvt-O is a surgical SUI correction technique with promissory results. Like the other types of TOT, their effectiveness will have in the long term to be evaluated.