Modified Burch versus Pereyra retropubic urethropexy for stress urinary incontinence.

Sixty-four women underwent either the modified Burch retropubic urethropexy or the modified Pereyra procedure for surgical correction of stress urinary incontinence. All were evaluated clinically and urodynamically before and one year after surgery. The Burch procedure proved to be superior to the Pereyra procedure in terms of improving pressure transmission to the proximal two-thirds of the urethra (P less than .001), correcting the anatomic defect (P less than .001), avoiding postoperative voiding difficulties (20 versus 30%), and presenting an objective cure rate of 98 versus 85%. The age, parity, and degree of mobility of the urethra and urethrovesical junction did not influence the ability of the Burch and Pereyra procedures to produce efficient postoperative pressure transmission capacity ratio. Both types of surgical procedures were closely comparable in terms of curing stress urinary incontinence, operative time and blood loss, and total hospital stay.