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Objective: To compare vaginal squeezing pressure, one-hour pad test, leakage episodes, rating scores about severity of SUI, and patient satisfaction between traditional PFMT and rectal balloon training (RBT).
Material and Method: Twenty-eight patients with SUI were randomized into two groups, PFMT, and RBT groups. The PFMT group was verbally instructed to perform exercise as the traditional technique. In the RBT group, a Foley catheter filled with tap water to create balloon was inserted into the rectum in combination with the same exercise as in the PFMT group. The vaginal squeezing pressure before and after 6-week exercise program was measured by biofeedback machine model MYO420.
Results: One patient in each group was lost to follow-up . This left 13 patients in each group. Both groups had statistically significant gained in vaginal squeezing pressure after exercise. The different pressure between pre and post exercise were 9.9 mmHg and 9.2 mmHg in PFMT and RBT group respectively (p = 0.84). Significant improvement of leakage episodes and self-rating scores assessed the severity of SUI after exercise was reported in both groups, although there was no significant difference between both groups. The number of patients wearing protection after exercise was lowered in both groups, which were 75% in PFMT group and 80% in RBT group. However, satisfaction was greater after completing exercise in both groups.
Conclusion: PFMT is an effective conservative treatment of SUI. PFMT combined with rectal balloon training did not provide greater strength of the pelvic floor muscle than isometric contraction.
Keywords: Pelvic floor muscle training, Rectal balloon, Stress urinary incontinence