An analysis of rapid pad testing and the history for the diagnosis of stress incontinence

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Abstract
Two rapid exercise pad tests, the vitamin B test, and the methylene blue test, are introduced for the diagnosis of urinary stress incontinence. The vitamin B test is entirely non‐invasive, takes only a few minutes to perform, and is especially useful as an office test. The methylene blue test has fewer variables, and fits easily into a urodynamic routine. With the methylene blue test, a direct correlation was noted between amount of urine lost and pressure generated by the tests. This conforms to the definition of stress incontinence as a passive process. The sensitivity of the test in a group with mainly mixed symptoms was 89.5%, and the specificity 100%. The test is useful where objective diagnosis of stress incontinence is important.A group of 38 patients with a history (questionnaire) of stress incontinence exhibited a total of 105 positive individual symptoms out of a possible 228 symptoms (6 × 38), comprising a history of leaking at sneezing, coughing, exercise, laughing, walking, or bending. The individual symptoms were analyzed for accuracy and predictability by comparing them with six graded provocative exercises comprising a trampoline test, star jumps, coughing, stepping, bending and hand washing. The symptoms were graded into a hierarchy from the results. A history of stress incontinence was found to be an accurate determinant of stress incontinence, even in patients with mixed symptoms. This allows the questionnaire as presented to be used as a semiquantitative index for assessment purposes.

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