Nihon Hinyokika Gakkai zasshi. The japanese journal of urology · 2003
[Experience with the memotherm stent in high-risk urinary retention patients].
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Maru Norio, Shitara Toshiya, Yamashita Hideyuki, Minei Sadanori, Shimura Satoru, Hamashima Toshinori, Baba Shiro
Аннотация
PURPOSE: We report on our experience with the Memotherm stent implanted in high-risk patients who had an indwelling catheter.
PATIENTS AND METHODS: Seventeen patients (mean age 80.6 years, range 55 to 93) who had an indwelling catheter were treated by placement of the Memotherm stent. The mean duration time of indwelling catheter were 12.7 months (range 1 to 60). The methods of implantation was used the special delivery system and treatment can be done with the patient under local anesthesia with non-steroidal anti-inflammatory drug. To assess the efficacy of the treatment we measured urinary peak flow rate (ml/sec), residual urine volume (ml) and residual urine rate (residual urine volume/total urine volume: %). Subjective symptoms were evaluated using the International Prostate Symptom Score (I-PSS). The mean follow-up time was 3.3 months (range 1 week to 8 months).
RESULTS: There were no severe medical problems associated with stent placement. Sixteen patients were able to void immediately after insertion of the stent. The remaining 1 required an indwelling catheter to 2 months, however, eventually able to void. Only 7 of the 17 patients can be evaluation for urinary flow and residual urine, nevertheless the mean urinary peak flow rate showed 9.7 ml/sec, the mean residual urine volume was 77.4 ml, and the mean residual urine rate was 27.5%. Also, average I-PSS showed 13.4 in these patients.
CONCLUSIONS: As a results of this study, the Memotherm stent is good conservative therapy for high-risk urinary retention patients.
PATIENTS AND METHODS: Seventeen patients (mean age 80.6 years, range 55 to 93) who had an indwelling catheter were treated by placement of the Memotherm stent. The mean duration time of indwelling catheter were 12.7 months (range 1 to 60). The methods of implantation was used the special delivery system and treatment can be done with the patient under local anesthesia with non-steroidal anti-inflammatory drug. To assess the efficacy of the treatment we measured urinary peak flow rate (ml/sec), residual urine volume (ml) and residual urine rate (residual urine volume/total urine volume: %). Subjective symptoms were evaluated using the International Prostate Symptom Score (I-PSS). The mean follow-up time was 3.3 months (range 1 week to 8 months).
RESULTS: There were no severe medical problems associated with stent placement. Sixteen patients were able to void immediately after insertion of the stent. The remaining 1 required an indwelling catheter to 2 months, however, eventually able to void. Only 7 of the 17 patients can be evaluation for urinary flow and residual urine, nevertheless the mean urinary peak flow rate showed 9.7 ml/sec, the mean residual urine volume was 77.4 ml, and the mean residual urine rate was 27.5%. Also, average I-PSS showed 13.4 in these patients.
CONCLUSIONS: As a results of this study, the Memotherm stent is good conservative therapy for high-risk urinary retention patients.