Peripheral arterial tonometry to measure the effects of vardenafil on sympathetic tone in men with lifelong premature ejaculation.

Abstract:

:To elucidate whether adrenergic overtone is involved in the pathophysiology of men with lifelong (LL) premature ejaculation (PE), we investigated differences in reactive hyperemia index (RHI) responses by using peripheral arterial tonometry (PAT). 20 men with LL-PE (18-40 years) were enrolled in an 8-week, double-blind, placebo-controlled, crossover study and compared with 10 age-matched controls without LL-PE. Primary endpoints were PAT modifications induced by vardenafil 10 mg on demand. Secondary endpoints were the improvement in intravaginal ejaculatory latency time (IELT) as measured by the stopwatch technique and variations in anxiety scores at Stai-X1 for state-anxiety and Stai-X2 for trait-anxiety. At baseline, men with LL-PE showed higher RHI variation (P < 0.001), Stai-X1 and Stai X2 scores (P < 0.0001, resp.), and prolactin levels (P < 0.05) compared with controls. Vardenafil treatment markedly reduced RHI variation in men with LL-PE (P < 0.01) when compared with placebo. Mean changes in geometric IELT were higher after taking vardenafil (0.6 ± 0.3 versus 4.5 ± 1.1 min, P < 0.01) when compared with placebo. STAI-X1 and STAI-X2 scores fell within the normal range after treatment with vardenafil (P < 0.01). Vardenafil was an effective treatment in men with LL-PE; improvements of IELT may be due to increased NO production which is able to reduce adrenergic overactivity and anxiety levels.

journal_name

Int J Endocrinol

authors

Francomano D,Donini LM,Lenzi A,Aversa A

doi

10.1155/2013/394934

subject

Has Abstract

pub_date

2013-01-01 00:00:00

pages

394934

eissn

1687-8337

issn

1687-8345

journal_volume

2013

pub_type

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