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Posterior vaginal wall prolapse: transvaginal repair of pelvic floor relaxation, rectocele, and perineal laxity.

PURPOSE
Posterior vaginal wall laxity is one manifestation of pelvic organ prolapse in the female. Recognition and repair of the inherent anatomical defects present in this condition are essential in order to ensure a satisfactory surgical result.


METHODS AND MATERIALS
A successful operation for posterior vaginal wall prolapse will often involve repair of three discreet abnormalities in support of the posterior vaginal wall, including the pelvic floor, posterior vaginal wall fascia, and perineal musculature. An overaggressive repair is to be assiduously avoided as this can lead to excessive narrowing of the vaginal canal and considerable postoperative symptoms including dyspareunia.


RESULTS
Durable restoration of anatomical support can be achieved in >80% of cases. Functional results in symptomatic patients undergoing posterior vaginal wall prolapse repair do not appear to be as successful in some areas.


CONCLUSIONS
Successful surgical repair of posterior vaginal wall prolapse requires a thorough understanding of the anatomy and pathophysiology involved in this condition. A careful anatomical dissection and reconstruction will result in successful anatomical repair in the majority of patients with minimal morbidity.