Evaluation of greenlight photoselective vaporization of the prostate for the treatment of high-risk patients with benign prostatic hyperplasia

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Abstract

Aim

To explore the feasibility and safety of greenlight photoselective vaporization of the prostate (PVP) on high-risk patients presenting with lower urinary tract symptoms suggestive of benign prostatic hyperplasia (BPH) and to evaluate their clinical and voiding outcome.

Methods

A total of 85 high-risk patients with obstructive BPH underwent PVP with an 80 W potassium-titanyl-phosphate laser, which was delivered through a side-deflecting fiber with a 23 Fr continuous flow cystoscope. Operative time, blood loss, indwelling catheterzation, international prostate symptom score (IPSS), quality of life score (QoL), uroflowmetry, postvoid residual urine volume and short-term complication rates were evaluated for all patients.

Results

All patients got through the perioperative period safely. The chief advantages of PVP were: short operative time (25.6 ± 7.6 min), little bleeding loss (56.8 ± 14.3 mL) and short indwelling catheterization (1.6 ± 0.8 d). The IPSS and QoL decreased from (29.6 ± 5.4) and (5.4 ± 0.6) to (9.5 ± 2.6) and (1.3 ± 0.6), respectively. The vast majority of patients were satisfied with voiding outcome. The mean maximal urinary flow rate increased to 17.8 mL/s and postvoid residual urine volume decreased to 55.6 mL. These results are significantly different from preoperative data (P <0.05). No patient required blood transfusion or fluid absorption. There were few complications and very high patient satisfaction after operation.

Conclusion

PVP has a short operative time and high tolerance, and is safe, effective and minimally invasive for high-risk patients, therefore it might be considered as a good alternative treatment for high-risk patients with obstructive urinary symptoms as a result of BPH.

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