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Vitamin D and erectile dysfunction.

Alessandra Barassi1, Raffaele Pezzilli, Giovanni M Colpi

  • 1Clinical Biochemistry Laboratory, Department of Health Sciences, San Paolo Hospital, University of Milan, Milan, Italy.

The Journal of Sexual Medicine
|August 6, 2014
PubMed
Summary
This summary is machine-generated.

A significant number of men with erectile dysfunction (ED) have low vitamin D levels, particularly those with arteriogenic ED. Vitamin D deficiency may increase ED risk by worsening endothelial dysfunction.

Keywords:
Endothelial DysfunctionsErectile DysfunctionVitamin D

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Area of Science:

  • Endocrinology
  • Urology
  • Vascular Biology

Background:

  • Endothelial dysfunction is a key factor in erectile dysfunction (ED) pathogenesis.
  • Vitamin D deficiency is increasingly recognized as a contributor to endothelial dysfunction.

Purpose of the Study:

  • To investigate serum vitamin D levels in patients diagnosed with erectile dysfunction.
  • To determine the prevalence of vitamin D deficiency in different etiologies of ED.

Main Methods:

  • Erectile dysfunction diagnosis and severity assessed using the IIEF-5 questionnaire.
  • Etiology classified as arteriogenic (A-ED), borderline (BL-ED), or non-arteriogenic (NA-ED) via penile-echo-color-Doppler.
  • Serum vitamin D and parathyroid hormone (PTH) levels were measured.

Main Results:

  • 45.9% of 143 ED patients had vitamin D deficiency (<20 ng/mL).
  • Severe ED correlated with significantly lower vitamin D levels (P=0.02).
  • Vitamin D deficiency was more prevalent in A-ED patients (P=0.01) and associated with lower peak systolic velocity (PSV) on Doppler ultrasound.

Conclusions:

  • A substantial portion of ED patients exhibit vitamin D deficiency, especially those with arteriogenic ED.
  • Low vitamin D levels may exacerbate ED by promoting endothelial dysfunction.
  • Screening for vitamin D deficiency in ED patients, with supplementation advised for those with low levels, is recommended.