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目的探讨经直肠能量多普勒显像(PDI)评价高能聚焦超声(HIFU)治疗前列腺增生(BPH)疗效的价值。方法 15例BPH患者行HIFU治疗,治疗前、治疗后1、4、12周采用经直肠PDI测量前列腺大小(Vp)、残余尿量(RUV)及前列腺被膜动脉内径(D)、前列腺被膜动脉收缩期峰值血流速度(PSV)及阻力指数(RI),并经尿动力学检查测定最大尿流率(Qmax);按国际前列腺症状评分(IPSS)及生活质量评估(QOL)对治疗后临床疗效进行半定量分析。结果治疗后1周,PSV、RI较治疗前明显降低,Vp、Qmax、IPSS和QOL评分在治疗后4周才有明显改变。治疗后12周临床显效13例(86.7%),好转2例(13.3%)。结论 HIFU治疗BPH无创、安全、简便,且近期疗效确切,经直肠PDI能对其治疗效果进行客观评价。
Objective To evaluate the value of transrectal energy Doppler imaging (PDI) in evaluating the efficacy of high energy focused ultrasound (HIFU) in the treatment of benign prostatic hyperplasia (BPH). Methods Fifteen BPH patients underwent HIFU treatment. Prostate size (Vp), residual urine volume (RUV), diameter of the artery of the prostate capsule (D), and contraction of the prostate capsule arteries were measured before and after 1, (PSV) and resistance index (RI). The maximum flow rate (Qmax) was measured by urodynamic examination. The clinical efficacy after treatment according to International Prostate Symptom Score (IPSS) and Quality of Life Assessment (QOL) Semi-quantitative analysis. Results One week after treatment, the PSV and RI were significantly lower than those before treatment, and the Vp, Qmax, IPSS and QOL scores changed only 4 weeks after treatment. Twelve weeks after treatment, clinical manifestations of 13 cases (86.7%), improved in 2 cases (13.3%). Conclusion HIFU treatment of BPH noninvasive, safe and easy, and the recent curative effect is accurate, the PDI of the rectum can objectively evaluate the therapeutic effect.