Abstract
Sixty postmenopausal women suffering from genuine stress incontinence were recruited into a double-blind study comparing the effects of oral and intravaginal estrogens and placebo, alone and in combination with the alpha-adrenoreceptor stimulant drug phenyl-propanolamine (PPA). Side effects were more common with orally administered estrogen, whereas symptomatic improvements were greater than the vaginal route. Plasma estrone and estradiol were both elevated more when estrogen was given by the oral (x 3–4) than vaginal (x 2) route, although the estradiol/estrone ratio was lower with oral therapy; the biochemical alterations increased with increasing chronological age and menopausal age, and were slightly enhanced by the concurrent administration of PPA. Diurnal and nocturnal urinary frequency were both reduced to a greater extent with vaginal than oral estrogen treatment, and more when used with PPA. Stress incontinence was improved subjectively in all treatment groups, although objective improvement was maximal in those treated with vaginal estrogen plus PPA.
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Hilton, P., Tweddell, A.L. & Mayne, C. Oral and intravaginal estrogens alone and in combination with alpha-adrenergic stimulation in genuine stress incontinence. Int Urogynecol J 1, 80–86 (1990). https://doi.org/10.1007/BF00600027
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DOI: https://doi.org/10.1007/BF00600027