The Journal of urology · 2007
Effect of intraprostatic local anesthesia during transrectal ultrasound guided prostate biopsy: comparison of 3 methods in a randomized, double-blind, placebo controlled trial.
Сравнительное исследованиеСтатьяРандомизированное исследованиеПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод пока не подготовлен
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Lee Ho Yun, Lee Hak Jong, Byun Seok-Soo, Lee Sang Eun, Hong Sung Kyu, Kim Seung Hyup
Аннотация
PURPOSE: We evaluated the effect of intracapsular anesthesia and periprostatic nerve block during transrectal ultrasound guided prostate biopsy.
MATERIALS AND METHODS: In a prospective, randomized, double-blind, placebo controlled study 152 consecutive patients were randomized into 3 groups. Group 1 of 41 patients was administered intraprostatic local anesthesia into the right and left sides with a total of 2 ml 1% lidocaine and a periprostatic injection of 2 ml saline later. Group 2 of 49 patients was administered intraprostatic injection of 2 ml saline, followed by periprostatic local anesthesia with 2 ml 1% lidocaine. Group 3 of 62 patients received intraprostatic and periprostatic local anesthesia with 2 ml 1% lidocaine. Patients were asked to grade the pain level using a 10-point linear visual analog pain scale 1) when the transrectal ultrasound probe was inserted, 2) during anesthesia, 3) during biopsy and 4) 20 minutes after biopsy. One-way ANOVA and the Kruskal-Wallis test with the Tukey post hoc test were used to compare patient characteristics and pain scale responses among the 3 groups.
RESULTS: No major complications, including sepsis and severe rectal bleeding, were noted in any patient. There were statistically significant differences in pain scores among groups 1 to 3 during anesthesia (mean +/- SD 5.6 +/- 2.5, 6.7 +/- 2.3 and 4.9 +/- 2.1, p = 0.003) and during biopsy (4.3 +/- 2.7, 4.5 +/- 2.6 and 2.7 +/- 2.1, respectively, p = 0.032). There were no differences in pain scores among the 3 groups during probe insertion (p = 0.39).
CONCLUSIONS: A combination of intracapsular anesthesia and periprostatic nerve block is an effective and useful technique that is well tolerated by the patient. It decreases the level of pain and discomfort associated with the prostatic biopsy procedure.
MATERIALS AND METHODS: In a prospective, randomized, double-blind, placebo controlled study 152 consecutive patients were randomized into 3 groups. Group 1 of 41 patients was administered intraprostatic local anesthesia into the right and left sides with a total of 2 ml 1% lidocaine and a periprostatic injection of 2 ml saline later. Group 2 of 49 patients was administered intraprostatic injection of 2 ml saline, followed by periprostatic local anesthesia with 2 ml 1% lidocaine. Group 3 of 62 patients received intraprostatic and periprostatic local anesthesia with 2 ml 1% lidocaine. Patients were asked to grade the pain level using a 10-point linear visual analog pain scale 1) when the transrectal ultrasound probe was inserted, 2) during anesthesia, 3) during biopsy and 4) 20 minutes after biopsy. One-way ANOVA and the Kruskal-Wallis test with the Tukey post hoc test were used to compare patient characteristics and pain scale responses among the 3 groups.
RESULTS: No major complications, including sepsis and severe rectal bleeding, were noted in any patient. There were statistically significant differences in pain scores among groups 1 to 3 during anesthesia (mean +/- SD 5.6 +/- 2.5, 6.7 +/- 2.3 and 4.9 +/- 2.1, p = 0.003) and during biopsy (4.3 +/- 2.7, 4.5 +/- 2.6 and 2.7 +/- 2.1, respectively, p = 0.032). There were no differences in pain scores among the 3 groups during probe insertion (p = 0.39).
CONCLUSIONS: A combination of intracapsular anesthesia and periprostatic nerve block is an effective and useful technique that is well tolerated by the patient. It decreases the level of pain and discomfort associated with the prostatic biopsy procedure.