Benign Prostatic Hyperplasia Treated by Transurethral Balloon Dilation

Ao Teruaki, Uchida Toyoaki, Shiokawa Eiji, Furuhata Masayuki, Mukai Nobuya, Shimura Satoru, Kawakami Tatsuo, Mashimo Setsuo, Endo Tadao, Koshiba Ken

Benign prostatic hyperplasia (BPH) was treated by transurethral balloon dilation in 10 patients : one with aortic-stenosis, one with osteoarthritis of the knee joint, and eight electing not to have transurethral resection of prostate (TURP). On administration of local or epidural anesthesia, the balloon (75 French) was inflated in the prostatic urethra at 2.5 to 3 atmospheric pressure for 10 minutes. The urine flow, residual urine rate and urinary symptom scores were evaluated before the treatment and 1, 3, 6 and 12 months after the procedure. Three months after the treatment, improvement was indicated in four patients and no change in two. Of the two patients without favorable results, TURP was required in one and balloon dilation was repeated two months later in the other. In the remaining four patients, improvement was shown in the urinary symptom scores and the peak flow rates at 3 months, whereas improved residual urine levels were noted at 1 and 6 months, through not at 3 months. Of the eight patients showing favorable results, improvement in three (37.5%) continued to be indicated at 12 months after the treatment. However, long-term effectiveness was not achieved. Balloon dilation is deemed to be a safe, simple and moderately effective treatment of benign prostate hyperplasia.

Benign Prostatic Hyperplasia Treated by Transurethral Balloon Dilation

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