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Pressure-flow studies in men with benign prostatic hypertrophy before and after treatment with transurethral needle ablation.

Abstract：

BACKGROUND/AIMS:In this study we wanted to examine the effects that transurethral needle ablation (TUNA) might have on the urodynamic characteristics of bladder outlet obstruction and to evaluate the clinical changes and the safety profile in patients undergoing the TUNA procedure, including the effects on erectile and ejaculatory function. MATERIALS AND METHODS:We evaluated 24 patients, aged between 66 and 81 (mean 73.4) years with a mean prostatic volume of 57 +/- 15 ml. Before treatment, the clinical history was collected, then prostate-specific antigen (PSA) analysis, digital rectal examinations, I-PSS and quality-of-life (QOL) tests, uroflowmetry with residual volume, and pressure-flow studies were performed in all patients. After treatment, all the patients were evaluated at 6, 12 and 24 months by the same parameters. RESULTS:After treatment, the I-PSS and QOL scores were considerably improved, and the mean flow rate and the residual volume were also improved. The serum PSA level remained unchanged. The prostatic volume was almost unchanged, and pressure-flow studies showed a reduction in the mean opening pressure and detrusor pressure at maximum flow after treatment. None of the patients complained of alterations in sexual activity nor retrograde ejaculation. CONCLUSIONS:Our study confirms that in patients with benign prostatic hyperplasia, the TUNA procedure results in no major complications and in significant clinical improvements. There was an improvement in the subjective and objective variables, such as symptom scores and frequency-volume charts and, in the majority of patients, subjective and objective improvements were sustained for the duration of this study, which included a 2-year follow-up with pressure-flow studies. From our experience we can say that the ideal candidate for TUNA treatment should be younger than 70 years, with a prostatic volume of <60 cm H(2)O, with a baseline detrusor pressure at maximum flow of <60 cm H(2)O, with a pretreatment residual volume of <100 ml and with a QOL score of <5.

journal_name

Urol Int

journal_title

Urologia internationalis

authors

Minardi D,Garofalo F,Yehia M,Cristalli AF,Giammarco L,Galosi AB,Muzzonigro G

doi

10.1159/000056577

subject

Has Abstract

pub_date

2001-01-01 00:00:00

pages

89-93

issue

eissn

0042-1138

issn

1423-0399

pii

56577

journal_volume

pub_type

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Pressure-flow studies in men with benign prostatic hypertrophy before and after treatment with transurethral needle ablation.