前立腺肥大症に対する経尿道的前立腺切除術+切開術(TUR-P+I)法の検討

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TUR-P法に前立腺切開術を併用することにより尿流の良好な改善を見た.排尿時の前立腺部の可動性がより改善される為と考えられた.多数例での検討,長期成績の検討が望まれるThe results of 14 patients treated by TUR-P+I and 15 patients by TUR-P between September 1991 and August 1993 were reviewed to evaluate the effects of TUR-P+I. Tur-P+I is a combined technique of channelling TUR-P and transurethral incision of the bladder neck and the prostate. After receiving modest TUR of the adenoma, the bladder neck and anatomical capsule of the prostate was incised by electroresectoscope at 6 o'clock position from the bladder neck toward to verumontanum. Before operation, the maximum floor rate, average flow rate, and residual urine volume were measured, which were respectively 9.9 +/- 5.6 ml/s (M+SEM), 4.4 +/- 2.3 ml/s, and 130 +/- 80 ml in TUR-p+I group, and 11.6 +/- 2.9 ml/s, 4.3 +/- 1.8 ml/s, and 60 +/- 60 ml (p < 0.01) in TUR-P group. The operation time and resected tissue weights were similar in both groups; 68 +/- 16 min and 11 +/- 5.2 g in TUR-P+I group, and 72 +/- 25 min and 11 +/- 6.5 g in TUR-P group. The post-operative maximum flow rate, average flow rate and residual urine volume were respectively improved to 19.0 +/- 5.7 ml/s, 9.3 +/- 3.7 ml/s, and 20 +/- 20 ml in TUR-P+I group, and 14.6 +/- 6.1 ml/s (p = 0.057), 6.6 +/- 2.6 ml/s (p < 0.05), and 30 +/- 30 ml (not significant) in the TUR-P group. Neither significant blood loss nor complications were experienced in either procedure. It is suggested that TUR-P+I could be a safe and effective alternative of TUR-P. Longer follow-up and the prospective study are required to establish the value of the current combined technique.

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永松秀樹
埼玉医科大学総合医療センター泌尿器科

前立腺肥大症に対する経尿道的前立腺切除術+切開術(TUR-P+I)法の検討

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