前立腺肥大症における膀胱機能の検討

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前立腺肥大症患者106例(21例は脳血管障害合併例,85例は非合併例)の膀胱機能について検討した.1)過活動型膀胱の出現頻度は合併群では57%であり,非合併群の25%に比して有意に高かった.2)残尿量の多い症例のしめる頻度は,非合併群で低コンプライアンス型膀胱,過活動型膀胱,正常型膀胱の順に高い傾向であった.3)両群共過活動型膀胱における最大膀胱内圧は正常型のそれに比して有意な高値を示し,その高値は術後改善した.4)過活動型膀胱の術後改善は非合併群では13例中9例に,合併群では6例中2例に認められたA study of bladder function was performed on 106 patients with benign prostatic hyperplasia (BPH), 21 of whom had cerebrovascular disease (CVD). The incidence of overactive bladder in 21 patients with CVD was 57% and was significantly higher than the 25% in 86 patients without CVD. The incidence of cases having residual urine of over 100 ml, was in the order of low compliance bladder, overactive bladder and normal bladder. The mean value of maximum voiding pressure in overactive bladder was higher than that in normal bladder. The high pressure was improved after the operation for BPH. Improvement of overactive bladder after the operation was seen in 9 of 13 patients without CVD while in 2 of 6 patients with CVD.