Thulium (Tm:YAG) laser vaporesection of prostate and bipolar transurethral resection of prostate in patients with benign prostate hyperplasia: a systematic review and meta-analysis

Abstract

Thulium laser vaporesection (ThuVARP) and bipolar transurethral resection of the prostate (B-TURP) are novel surgeries for benign prostate hyperplasia (BPH). This paper is a systematic review and analysis of literatures comparing efficacy indicators, operative parameters, as well as safety indicators between ThuVARP and B-TURP for the treatment of BPH. A systematic search of electronic databases, including PubMed, the Cochrane Library, Web of Science, Embase, and China National Knowledge Internet (CNKI), was carried out up to December 1, 2015 (updated on March 1, 2016). The captivating outcomes included basic clinical characteristics, perioperative parameters, local complications, and efficacy indicators which included International Prostate Symptom Score (IPSS), quality of life (QoL), maximum flow rate (Qmax), and postvoid residual (PVR). After assessing the quality of methodology and extracting data, a meta-analysis was carried out by using STATA 12.0 software. Five studies involving 500 patients met the standard. The outcomes of this analysis were as follows: (a) efficacy indicators: there were no significant differences in IPSS, QoL, PVR, and Qmax between the two groups (all P > 0.05); (b) perioperative indicators: ThuVARP had longer operative time [standardized mean difference (SMD) = 0.843; 95% confidence interval (CI) − 0.391, 1.296; P < 0.001] but less serum hemoglobin decreased (SMD = − 0.561; 95% CI − 0.796, − 0.327; P < 0.001), shorter hospital stay (SMD = − 1.558; 95% CI − 2.709, − 0.407; P < 0.01), and catheterization time (SMD = − 1.274; 95% CI − 2.158, − 0.390; P < 0.01). Additionally, no significant difference was found in estimated resected weight (P > 0.05); (c) safety indicators: no significant difference was found in local complication rates (all P > 0.05) between ThuVARP and B-TURP. In our analysis, there exists no statistical difference between ThuVARP and B-TURP group in efficacy. However, in spite of requiring longer surgical time, ThuVARP was better in terms of less blood loss as well as shorter hospitalization and catheterization time.

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