前立腺cryoresection後の尿路感染について

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It is well known that the cryoresection of the prostate is one of the useful operations for dysuria. But there are a few problems concerning it, which were pointed out by us previously. One of them is the problem of urinary tract infections, which continue for a long time and are difficult to cure. To evaluate such infections following the cryoresection of the prostate, we carried out a prospective study on 70 patients (48 patients were benign prostatic hyperplasia and 22 were prostatic cancer). More than 10,000 colonies per ml of urine were considered significant bacteriuria. Of our 70 patients, 48 (67 per cent) were bacteriuric before the cryoresection of the prostate (Table 1). Cultures were made preoperatively and also 2 weeks, 1, 2, 3, 6 and 12 months after removing the catheter indwelled by way of open drainage system. Patients in our study routinely received some antibacterial medication, postoperatively. The results were as follows : 1. Seventy-three per cent were bacteriuric 2 weeks after removing the indwelling catheter, 58% at one month, 45% at two months, 50% at 3 months, 48% at 6 months and 50% at 12 months (Table 3) 2. Of all patients who were bacteriuric immediately after removing the indwelling catheter, 33 patients became sterile. Sterile urine was proved at 2 weeks, 1, 2, 3, 6 and 12 months, respectively, for 10, 10, 5, 4, 2 and 2 patients (Table 5) 3. Pathogens isolated from urine were mainly Enterobacter aerogenes (including Serratia), Proteus and Citrobacter, postoperatively (Table 4). 4. The non-pyuric patients whose urine sediment showed white blood cells less than four per high power field were 16 per cent at 2 weeks, 37% at 1 month, 61 % at 2 months, 53% at 3 months, 37% at 1 month, 61 % at 2 months, 53% at 3 months, 63% at 6 months and 38% at 12 months after removing the indwelling catheter (Table 6).
泌尿器科紀要刊行会の論文

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和志田裕人
安城更生

前立腺cryoresection後の尿路感染について

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