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J Urol. 2018 Jun;199(6):1591-1599. doi: 10.1016/j.juro.2018.01.022. Epub 2018 Jan 9.

Long-Term Outcomes of Laser Prostatectomy for Storage Symptoms: Comparison of Serial 5-Year Followup Data between High Performance System Photoselective Vaporization and Holmium Laser Enucleation of the Prostate.

Author information

1
Department of Urology, Seoul National University Boramae Medical Center, Seoul, Korea.
2
Department of Urology, Seoul National University College of Medicine, Seoul, Korea.
3
Department of Urology, Seoul National University Boramae Medical Center, Seoul, Korea; Department of Urology, Seoul National University College of Medicine, Seoul, Korea.
4
Department of Urology, Seoul National University Boramae Medical Center, Seoul, Korea; Department of Urology, Seoul National University College of Medicine, Seoul, Korea. Electronic address: volley@snu.ac.kr.

Abstract

PURPOSE:

We compared long-term storage symptom outcomes between photoselective laser vaporization of the prostate with a 120 W high performance system and holmium laser enucleation of the prostate. We also determined factors influencing postoperative improvement of storage symptoms in the long term.

MATERIALS AND METHODS:

Included in our study were 266 men, including 165 treated with prostate photoselective laser vaporization using a 120 W high performance system and 101 treated with holmium laser enucleation of the prostate, on whom 60-month followup data were available. Outcomes were assessed serially 6, 12, 24, 36, 48 and 60 months postoperatively using the International Prostate Symptom Score, uroflowmetry and the serum prostate specific antigen level. Postoperative improvement in storage symptoms was defined as a 50% or greater reduction in the subtotal storage symptom score at each followup visit after surgery compared to baseline.

RESULTS:

Improvements in frequency, urgency, nocturia, subtotal storage symptom scores and the quality of life index were maintained up to 60 months after photoselective laser vaporization or holmium laser enucleation of the prostate. There was no difference in the degree of improvement in storage symptoms or the percent of patients with postoperative improvement in storage symptoms between the 2 groups throughout the long-term followup. However, the holmium laser group showed greater improvement in voiding symptoms and quality of life than the laser vaporization group. On logistic regression analysis a higher baseline subtotal storage symptom score and a higher BOOI (Bladder Outlet Obstruction Index) were the factors influencing the improvement in storage symptoms 5 years after prostate photoselective laser vaporization or holmium laser enucleation.

CONCLUSIONS:

Our serial followup data suggest that storage symptom improvement was maintained throughout the long-term postoperative period for prostate photoselective laser vaporization with a 120 W high performance system and holmium laser enucleation without any difference between the 2 surgeries. Also, more severe storage symptoms at baseline and a more severe BOOI predicted improved storage symptoms in the long term after each surgery.

KEYWORDS:

laser therapy; outcome and process assessment (health care); prostatectomy; prostatic hyperplasia; urinary bladder

Comment in

PMID:
29329895
DOI:
10.1016/j.juro.2018.01.022
[Indexed for MEDLINE]

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