, Volume 30, Issue 2, pp 185-191

Is apolipoprotein-(a) an important indicator of vasculogenic erectile dysfunction?

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Abstract

We aimed to investigate whether high peripheral and cavernosal plasma levels of apolipoprotein-(a) [Lp (a)] is an indicator for vasculogenic erectile dysfunction. We determined Lp (a), total cholesterol (TC), triglyceride (TG) and high density lipoprotein (HDL) levels in peripheral and cavernosal blood in 39 patients with erectile dysfunction. Thirty-nine impotent patients have been divided into two groups: vasculogenic erectile dysfunction (VED) and nonvasculogenic erectile dysfunction (NVED), according to colour Doppler ultrasonic flowmetry, dynamic infusion cavernosometry, and the pressure difference between the brachial arterial systolic pressure and cavernosal arterial systolic pressure measurements. Biochemical values were compared in both groups. Lp (a) and TC levels were higher in both peripheral and cavernosal samples of VED group than in NVED group, with no differences between peripheral and cavernosal blood levels within the same groups. There were no significant changes in TG and HDL levels in either group. The detection of more than 31 mg/dl in Lp (a) level solely shows the vascular origin with a sensitivity and specificity of 95 and 82.3%, respectively. High Lp (a) levels can be considered an indicator of vasculogenic erectile dysfunction.