Background: The aim of this paper was to evaluate the efficacies and safety of transurethral prostate enucleation by bipolar system (TUEB) for the patients with benign prostatic hyperplasia (BPH).
Methods: We prospectively evaluated clinical outcomes of TUEB in 55 patients with BPH from July 2005 to January 2011. Mean ages of the patients were 69.2 years. International Prostate Symptom Score (IPSS), IPSS-quality of life (IPSS-QOL) were assessed before and 12 months after surgery. Serum PSA, maximal flow rate (MFR), and post-void residual (PVR) were also evaluated before and 6 and 12 months after surgery.
Results: The median prostate volumes and resection volumes were 64.1 g (interquartile range [IQR]: 48-87) and 34.4 g (25-60.2), respectively. The median operation time was 138.0 min (100.2-169.2). Total IPSS scores and IPSS-QOL were significantly improved (from 24 [17-31] to 5 [2-8] points, and from 6 [5-6] to 2 [1-2] points, both P<0.001). MFR and PVR were significantly improved 6 and 12 months after TUEB (from 6.2 [3.9-8.3] to 15.1 [10.5-20.9], and 14.6 [10.2-20.5] mL/s, P<0.0001, and from 151.5 [81.5-284.7] to 16.5 [0-30.5], and 6.0 [0-41.0] mL, P<0.0001, respectively). Serum PSA also significantly decreased, 6 and 12 months (from 7.5 [4.7-9.8] to 1.1 [0.5-1.5], and 0.6 [0.3-1.9] ng/mL, P<0.0001). Although hemoglobin decreased after operation, no case experienced blood transfusion. Three episodes of urinary tract infections, 14 cases of mild stress urinary incontinence, 2 cases of urinary retention were occurred transiently with recovery within 1 month after surgery.
Conclusions: We identified favorable efficacy and safety of TUEB. TUEB appears to be another possibility in the treatment of BPH.
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