Abstract
Purpose
The aim of this study was to define the characteristics of female voiding difficulty, and evaluate the effects of the alpha-blocker, tamsulosin, on the symptoms in those patients.
Materials and Methods
148 patients, who complained of voiding difficulty between March 2002 and September 2004, were retrospectively evaluated. 32 patients with anatomical and neuropathic causes were excluded, with the remaining 116 assigned to 4 groups from their urodynamic evaluations: group I, bladder outlet obstruction (BOO) only; group II, BOO plus an overactive bladder (OAB); group III, detrusor underactivity (DU) only; and group IV, DU plus an OAB. After 2 weeks of observation, tamsulosin, 0.2mg/d, was prescribed in all groups, with the patients re-evaluated after 3 months.
Results
58 (50%), 23 (19.8%), 20 (17.3%) and 15 (12.9%) of the 116 study subjects were placed into groups I, II, III and IV, respectively. In group I, 45 (77.5%) had symptomatic improvement after taking tamsulosin for 3 months, and in group II improvement was observed in 73.9% (17/23) of patients. In groups III and IV; however, improvements were seen in only 25 (5/20) and 13.3% (2/15) of cases, respectively. Dizziness, postural hypotension and urinary incontinence occurred in some patients, but these disappeared after the medication was discontinued.
Figures and Tables
Table 1
BOO: bladder outlet obstruction, OAB: overactive bladder, DU: detrusor underactivity, Free Qmax: maximal uroflow in uroflowmetry, PdetQmax: maximal voiding detrusor pressure in pressure-flow study, RV: residual urine, FBC: functional bladder capacity, IPSS: International Prostate Symptom Score, VS: voiding symptom, SS: storage symptom
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