Follow-up of a new modification of the Marshall-Marchetti-Krantz (MMK) procedure.

Clinical and urodynamic effects of a new modification of the Marshall-Marchetti-Krantz procedure for correction of urinary stress incontinence were studied 3-6 years after surgery. A clinical follow-up was made in 239 patients, and 39 had a urodynamic assessment. The subjective cure rate for incontinence was 69% while in another 20% there was improvement. Symptoms caused by the prolapse were relieved in 83%. The incidence of late complications was below 1%. Urodynamic measurements indicated a cure rate of 66%. Pressure transmission to the urethra was significantly improved. At follow-up, the functional length of the urethra and urethral closure pressure values were significantly higher than before operation. The incidence of urge (incontinence) and voiding difficulties was unchanged.