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目的探讨良性前列腺增生(BPH)手术前后膀胱质量变化特点。方法随机选择BPH住院患者52例(试验组),无下尿路梗阻老年患者15例(对照组)。试验组及对照组均行B超测定膀胱质量(utrasound estimatedbladder weight,UEBW)。试验组患者术后6~12个月再次行UEBW。结果试验组52例UEBW(92.8±41.5)g;19例失访,术后33例UEBW(62.1±22.6)g;术后排尿异常7例UEBW(73.6±22.3)g;术后排尿正常26例UEBW(59.1±24.5)g;对照组15例UEBW(41.8±9.2)g。5组UEBW比较,差异有统计学意义(F=11.70,P<0.01)。其中试验组术前UEBW较术后高,试验组术后UEBW高于对照组,差异均有统计学意义(P<0.05)。结论 BPH患者可因膀胱出口梗阻(BOO)致膀胱产生相应变化,膀胱壁增厚,膀胱质量增加。通过手术解除下尿路梗阻后膀胱可以得到部分恢复,但无法恢复至正常膀胱水平。膀胱质量测定可以应用于BPH术前和术后的评价。
Objective To investigate the characteristics of bladder mass before and after benign prostatic hyperplasia (BPH). Methods Fifty-two BPH inpatients (experimental group) were randomized and 15 cases of elderly patients without obstruction of urinary tract (control group). The test group and the control group underwent B ultrasound to measure the umbilical cord mass (UEBW). Patients in the test group re-performed UEBW 6 to 12 months after operation. Results In the experimental group, 52 cases were UEBW (92.8 ± 41.5) g, 19 cases were lost to follow-up, 33 cases were UEBW (62.1 ± 22.6) g, 7 cases were UEBW (73.6 ± 22.3) g after operation, 26 cases were normal urination UEBW (59.1 ± 24.5) g; control group, 15 cases of UEBW (41.8 ± 9.2) g. The differences of UEBW between the 5 groups were statistically significant (F = 11.70, P <0.01). The preoperative UEBW was higher in the trial group than in the control group, and UEBW in the trial group was significantly higher than that in the control group (P <0.05). Conclusion BPH patients may have bladder changes due to bladder outlet obstruction (BOO), thickening of bladder wall and increasing of bladder mass. After surgical removal of lower urinary tract obstruction bladder can be partially recovered, but can not be restored to normal bladder level. Bladder quality measurement can be applied to BPH preoperative and postoperative evaluation.