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The application of 120-W high-performance system GreenLight laser vaporization of the prostate in high-risk patients

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Abstract

The purpose of this study is to evaluate the safety and efficacy of 120-W potassium titanyl phosphate (KTP) laser vaporization in patients with benign prostatic hyperplasia (BPH) who also had cardiopulmonary diseases who were taking long-term anticoagulants and were at high risk of bleeding complications. The prospective study included 188 patients with severe lower urinary tract symptoms who underwent 120-W KTP laser vaporization of the prostate. All patients were at high cardiopulmonary risk, having presented with an American Society of Anesthesiology score of 3 or greater. Of those, 45 patients were taking oral anticoagulants, and 1 had a severe bleeding disorder. BPH was successfully treated with 120-W KTP laser vaporization in all patients. Mean preoperative prostate volume ± SD was 66 ± 23.1 ml, and mean operative time was 50.8 ± 15.5 min. There were no major complications intraoperatively or postoperatively, and no blood transfusions were required. Postoperatively, only 14 patients (7.4 %) required bladder irrigation. Average catheterization time was 1.9 ± 1.5 days (range, 1–5 days). Three patients required reoperation due to enlarged prostates from residual adenoma. At 3-, 6,- 12-, and 24-month follow-ups, mean urinary peak flow increased from 8.0 ± 3.6 ml/s to 19.1 ± 5.6, 19.2 ± 4.7, 19.1 ± 4.65, and 19.2 ± 4.34 ml/s, respectively. Mean International Prostate Symptom Scores decreased over time, from 25.6 ± 5.1 (3 months) to 9.4 ± 2.8, 7.05 ± 1.46, 6.24 ± 1.36, and 6.20 ± 1.32 (24 months), respectively. 120-W HPS KTP laser vaporization is a safe and effective treatment option in BPH patients at high risk and those on anticoagulation therapy who have severe LUTS secondary to BPH.

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Acknowledgments

The authors would like to thank Ms. Karen Klein (Research Support Core, Wake Forest School of Medicine) for her editorial assistance.

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Authors and Affiliations

  1. Department of Urology, Second Affiliated Hospital of Soochow University, Suzhou, China

    Wei Tao, BoXin Xue, Yachen Zang, ChuanYang Sun, Dongrong Yang & YuXi Shan

  2. Wake Forest Institute for Regenerative Medicine, Wake Forest School of Medicine, Medical Center Blvd, Winston-Salem, NC, 27157, USA

    Yuanyuan Zhang

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  1. Wei Tao
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Correspondence to Wei Tao.

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Tao, W., Xue, B., Zang, Y. et al. The application of 120-W high-performance system GreenLight laser vaporization of the prostate in high-risk patients. Lasers Med Sci 28, 1151–1157 (2013). https://doi.org/10.1007/s10103-012-1212-2

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  • DOI: https://doi.org/10.1007/s10103-012-1212-2

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