Abstract

Objective: The objective of our study was to estimate the long-term efficacy and safety of thulium fiber laser enucleation of the prostate (ThuFLEP). Materials and Methods: We analyzed patients who underwent ThuFLEP due to lower urinary tract symptoms (LUTS) related to benign prostatic obstruction (BPO). Both the pre- and perioperative data as well as the follow-up data for 3 years were evaluated: prostate volume, postvoid residual (PVR), maximum flow rate (Qmax), International Prostate Symptom Score (IPSS), quality of life (QoL), prostate-specific antigen level, and the complication rate. Intraoperative data relating to the weight of resected tissue, the duration of surgery, catheterization, and data on hospital stays were also collected. A subgroup analysis was performed to assess whether older patients (>65 years) or those with larger glands (>80 cc) are prone to increased complication risks. Results: A total of 1328 patients were included in the analysis. The mean age was 66.9 ± 7.5 years. Mean prostate volume was 86.9 ± 41.9 (20-330) cc. All the functional parameters (IPSS, QoL, PVR, Qmax) significantly improved after surgery (p < 0.05) and showed durable improvement up to 3 years of follow-up. The frequency of late complications was as follows: stress urinary incontinence-1.2%; urethral stricture-1.1%; and bladder neck contracture-0.9%. Subgroup analyses revealed increased urinary tract infection frequency in older patients (3.5% vs 0.8%, p = 0.003) as well as higher rate of stress urinary incontinence (0.4% vs 1.8%, p = 0.002) and higher rate of clot retention (11.3% vs 4.4%, p < 0.001) in those with larger glands. Conclusions: Irrespective of the patient's age and prostate volume, ThuFLEP represents an effective and durable technique of endoscopic enucleation characterized by a low incidence of complications after 3 years of follow-up. In the hands of an experienced surgeon, ThuFLEP can rightly be a promising alternative to holmium laser enucleation of the prostate for treatment of LUTS associated with BPO.

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