Safety and effectiveness of Thulium VapoEnucleation of the prostate (ThuVEP) in patients on anticoagulant therapy

Christopher Netsch, M Stoehrer, M Brüning, A Gabuev, T Bach, T R W Herrmann, A J Gross
World Journal of Urology 2014, 32 (1): 165-72

INTRODUCTION: To evaluate the safety and efficacy of Thulium VapoEnucleation of the prostate (ThuVEP) for patients on oral anticoagulants (OA) with symptomatic benign prostatic obstruction (BPO).

METHODS: Fifty-six patients, undergoing ThuVEP at two institutions, were evaluated from May 2009 until June 2011. All patients were at high cardiopulmonary risk and presented with a median American Society of Anesthesiology score of 3 [interquartile range (IQR) 2-3]. Thirty-two patients were on aspirin, 8 were on clopidogrel or clopidogrel and aspirin, and 16 on phenprocoumon at the time of surgery. Patient demographic, perioperative, and follow-up data were analyzed.

RESULTS: Median prostate volume was 50 (IQR 34-76) cc, and resected tissue weight was 32 (IQR 20-50) g. The median operative time was 61.5 (IQR 40-100.75) min, and the catheter time 2 (IQR 2-3) days. There were no perioperative thromboembolic events. Five patients (8.9%) required a second-look operation in the immediate postoperative course (hemorrhage n = 4, residual adenoma n = 1) and four (7.1%) blood transfusions. Complications within the first 30 days included urinary tract infections (1.7%), urinary retention (3.6%), and delayed bleeding (7.1%). These complications were managed conservatively. At 12-month follow-up, median QoL [5 (IQR 3.75-5) vs. 1 (IQR 1-2)], IPSS [21.5 (IQR 15.5-23.75) vs. 5 (IQR 3-8)], Qmax [7.7 (IQR 6.3-10) vs. 28.3 (IQR 21.25-39.2) ml/s], and postvoiding residual urine [100 (IQR 46-200) vs. 17.5 (IQR 0-36) ml] improved significantly (p < 0.002).

CONCLUSIONS: Thulium VapoEnucleation of the prostate seems to be a safe and efficacious procedure for the treatment of symptomatic BPO in patients at high cardiopulmonary risk on OA.

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