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Published on: May 26, 2023
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Longevity of the Marshall-Marchetti-Krantz procedure
P K Hegarty1, P C Power, M F O'Brien
1The Department of Urology, University College Hospital, Galway, Ireland. Paulkhegarty@hotmail.com
Summary
The Marshall-Marchetti-Krantz (MMK) procedure for stress urinary incontinence shows sustained long-term continence. Women continent two years post-MMK maintain results, highlighting its lasting effectiveness in treating urethral hypermobility.
Area of Science:
- Urology
- Gynecology
- Pelvic Floor Surgery
Background:
- Stress urinary incontinence (SUI) affects many women.
- Urethral hypermobility is a common cause of SUI.
- The Marshall-Marchetti-Krantz (MMK) procedure is a surgical option for SUI.
Purpose of the Study:
- To evaluate the long-term outcomes of the MMK procedure.
- To assess the durability of continence after MMK surgery.
- To determine the factors influencing long-term success of MMK.
Main Methods:
- Retrospective analysis of 40 women undergoing MMK for SUI.
- Data collected included early continence rates and perioperative morbidity.
- Long-term follow-up utilized postal questionnaires and telephone contact.
Main Results:
- Immediate continence rate was 82%.
- Continence rate at a mean follow-up of 8.5 years (up to 22 years) was 61%.
- All reported failures occurred within the first two years post-surgery.
Conclusions:
- The MMK procedure offers durable long-term continence for SUI.
- Continence achieved by two years post-MMK is likely to be maintained long-term.
- Early success predicts sustained outcomes for the MMK procedure.

