Nigerian journal of clinical practice · 2015
Transperineal versus transrectal prostate biopsy: our findings in a tertiary health institution.
Сравнительное исследованиеСтатьяРандомизированное исследованиеНазвание и аннотация: Перевод пока не подготовлен
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Udeh E I, Amu O C, Nnabugwu I I, Ozoemena Ofn
Аннотация
CONTEXT AND OBJECTIVE: Prostate cancer is a major public health issue. Its incidence is rising, especially in Nigeria. Prompt diagnosis is necessary by histology. Transperineal and transrectal approaches to prostate biopsy are well-documented. Both methods are fraught with complications though, most times minor. Studies carried out to compare both methods were carried out mainly on Caucasians, generating conflicting results. This study aims to compare the complication rates and tissue yield of these two methods in Nigerian men.
MATERIALS AND METHODS: Seventy-five patients completed the study. Forty-five patients had transperineal prostate biopsy (TPbx), while 30 patients had transrectal prostate biopsy. Pain perception for all patients was determined by visual analog scale; whereas the complications were ascertained by a validated purpose designed questionnaire administered on the 7 th and 30 th day post operatively.
RESULTS: The risk of rectal bleeding was higher for transrectal prostate biopsy compared to transperineal (Odds ratio: 0.03; 95% confidence interval (CI): 0.001-0.450; P = 0.012). TPbx was more painful than transrectal (P < 0.0001; df: 75; t: 4.98; 95%CI of difference in mean: -2.98-[-1.28]). There was no statistical difference between transperineal and transrectal prostate biopsy in hemospermia, fever, prostatic abscess, urethral bleeding, acute retention and tissue yield.
CONCLUSION: TPbx is more painful than transrectal prostate biopsy though with a significantly reduced risk of rectal bleeding. There appears to be no significant difference with respect to risk of fever, urethral bleeding, hematospermia, prostatic abscess and acute retention. Both routes provided sufficient prostate tissue for histology.
MATERIALS AND METHODS: Seventy-five patients completed the study. Forty-five patients had transperineal prostate biopsy (TPbx), while 30 patients had transrectal prostate biopsy. Pain perception for all patients was determined by visual analog scale; whereas the complications were ascertained by a validated purpose designed questionnaire administered on the 7 th and 30 th day post operatively.
RESULTS: The risk of rectal bleeding was higher for transrectal prostate biopsy compared to transperineal (Odds ratio: 0.03; 95% confidence interval (CI): 0.001-0.450; P = 0.012). TPbx was more painful than transrectal (P < 0.0001; df: 75; t: 4.98; 95%CI of difference in mean: -2.98-[-1.28]). There was no statistical difference between transperineal and transrectal prostate biopsy in hemospermia, fever, prostatic abscess, urethral bleeding, acute retention and tissue yield.
CONCLUSION: TPbx is more painful than transrectal prostate biopsy though with a significantly reduced risk of rectal bleeding. There appears to be no significant difference with respect to risk of fever, urethral bleeding, hematospermia, prostatic abscess and acute retention. Both routes provided sufficient prostate tissue for histology.