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目的研究长期(≥2周)留置尿管是否影响前列腺穿刺阳性率。方法在接受前列腺穿刺患者中,根据不同前列腺特异性抗原(PSA)水平比较长期留置尿管组与对照组患者前列腺体积、前列腺穿刺阳性率。结果留置尿管组患者40例,对照组196例。留置尿管组患者前列腺平均体积(93.49±49.90)mL,对照组前列腺平均体积(68.61±38.09)mL,两组患者前列腺体积差异具有统计学意义(P=0.007)。4ng/mL10ng/mL患者中,留置尿管组与对照组前列腺穿刺阳性率分别为44.8%和58.2%,差异无统计学意义(P=0.205)。结论如果能够排除其他影响血清PSA因素,当血清PSA>10ng/mL时,长期(≥2周)留置尿管对前列腺穿刺阳性率没有影响;建议行前列腺穿刺活检除外前列腺癌。
Objective To investigate whether long-term (≥2 weeks) indwelling catheter affects the positive rate of prostate biopsy. Methods Prostate volume and prostatic puncture positive rate in long-term indwelling catheter group and control group were compared according to different prostate-specific antigen (PSA) level in patients undergoing prostate biopsy. Results indwelling catheter group of 40 patients, 196 patients in the control group. The mean prostate volume was 93.49 ± 49.90 mL in the indwelling catheter group and 68.61 ± 38.09 mL in the control group. The difference of the prostate volume between the two groups was statistically significant (P = 0.007). In 4ng / mL 10ng / mL, the positive rates of prostate biopsy in indwelling catheter group and control group were 44.8% and 58.2%, respectively, with no significant difference (P = 0.205). CONCLUSIONS: Long-term (≥2 weeks) indwelling catheters have no effect on the positive rate of prostate biopsy if serum PSA is excluded if other serum PSA factors can be excluded. Prostate cancer is recommended for prostate biopsy.