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目的探讨前列腺体积参数对良性前列腺增生(BPH)患者膀胱出口梗阻(BOO)及其程度的诊断价值。方法对BPH患者行自由尿流率检查、压力-流率测定和经直肠前列腺B超检查,测量最大尿流率、Sh(?)fer梗阻级别、AG数、前列腺体积(Pv)、移行带体积(TZV)和移行带指数(TZI)。结果共有62例BPH患者入选。PV、TZV、TZI与Qmax的相关系数分别为-0．105、-0．173和-0．258,P值均＞0．05。PV、TZV和TZI与Sh(?)fer梗阻级别的相关系数分别为0．277、0．315和0．200,P值均＜0．05。PV、TZV和TZI与ACT数的相关系数分别为0．263、0．277和0．282,P值均＜0．05；当40＜PV≤60 ml时,PV与AG数呈正相关(r=0．263。P＜0．05)；TZI=0．3是BOO的一个分界点。TZI＞0．3者的AG数明显大于PV≤0．3者(P＜0．05)。结论前列腺体积参数可以预测BPH患者BOO及其程度。
Objective To investigate the diagnostic value of prostate volume parameters in bladder outlet obstruction (BOO) and its extent in patients with benign prostatic hyperplasia (BPH). Methods Free flow rate, pressure-flow rate and transrectal B-mode ultrasonography were used to measure the maximum flow rate, Sh (?) Fer obstruction level, AG number, prostate volume (Pv) (TZV) and transition zone index (TZI). Results A total of 62 BPH patients were enrolled. The correlation coefficients of PV, TZV, TZI and Qmax were -0.105, -0.173 and -0.258 respectively, P values were all> 0.05. The correlation coefficients of PV, TZV, TZI and Sh (?) Fer obstruction level were 0.277, 0.315 and 0.200 respectively, P <0.05 respectively. The correlation coefficients of PV, TZV, TZI and ACT were 0.263, 0.777 and 0.282, respectively, with P values <0.05. When 40 0.3 was significantly greater than those with PV≤0.3 (P <0.05). Conclusions Prostate volume parameters can predict BOO and its extent in patients with BPH.