Adipokines, Hormonal Parameters, and Cardiovascular Risk Factors: Similarities and Differences Between Patients with Erectile Dysfunction of Arteriogenic and Nonarteriogenic Origin

Elena Dozio, Alessandra Barassi, Giada Dogliotti, Alexis E. Malavazos, Giovanni M. Colpi, Gian Vico Melzi D'Eril, Massimiliano M. Corsi

Research output: Contribution to journalArticle

Abstract

Introduction. Erectile dysfunction (ED) is often associated with metabolic disorders. Leptin and adiponectin are adipose tissue-derived hormones involved in the regulation of metabolic homeostasis and considered important players in the relationship among obesity and cardiovascular diseases. Aim. Leptin, adiponectin, leptin to adiponectin ratio (L/A), and their correlation with hormonal and metabolic parameters were examined in male with arteriogenic- (A-ED) and nonarteriogenic-ED (NA-ED). Main Outcome Measures. Biochemical, metabolic, and hormonal parameters of men with A-ED were compared with those of male with NA-ED. Methods. Diagnosis of ED was based on the International Index of Erectile Function Score. Its etiology was classified with penile echo-color Doppler at baseline and after intracavernous injection of prostaglandin E1. Leptin and adiponectin were measured by enzyme-linked immunosorbent assay. Results. In A-ED subjects, increased levels of insulin, glycated hemoglobin, homeostasis model assessment of insulin resistance (HOMA-IR) index, body mass index (BMI), leptin, and L/A and decreased levels of total, free, and bioavailable testosterone were observed compared with NA-ED subjects. A trend toward lower estradiol level was also present in A-ED patients, even if not statistically significant. Reduced levels of adiponectin have been observed in both groups compared with patients without ED. Leptin and L/A correlated similarly with several parameters (negatively with testosterone/estradiol ratio and positively with BMI, insulin, HOMA-IR, and 17-beta estradiol). L/A resulted further correlated negatively with high-density lipoprotein and positively with triglycerides. Conclusions. Not all ED cases are similar. In fact, A-ED patients display a more complicated metabolic status characterized by overweight and obesity and associated to sexual hormone alteration. Whether changes in body composition and modulation of adipokine levels can improve local endothelial function need further investigation.

Original languageEnglish
Pages (from-to)2370-2377
Number of pages8
JournalJournal of Sexual Medicine
Volume9
Issue number9
DOIs
Publication statusPublished - Sep 2012

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Adipokines
Erectile Dysfunction
Leptin
Adiponectin
Estradiol
Homeostasis
Insulin Resistance
Testosterone
Body Mass Index
Obesity
Hormones
Insulin
Alprostadil
Glycosylated Hemoglobin A
HDL Lipoproteins
Body Composition
Adipose Tissue
Triglycerides
Cardiovascular Diseases
Color

Keywords

  • Adiponectin
  • Arteriogenic Erectile Dysfunction
  • Cardiovascular Disease
  • Erectile Dysfunction
  • Leptin
  • Leptin/Adiponectin Ratio
  • Sexual Hormones

ASJC Scopus subject areas

  • Urology
  • Obstetrics and Gynaecology
  • Reproductive Medicine

Cite this

Adipokines, Hormonal Parameters, and Cardiovascular Risk Factors : Similarities and Differences Between Patients with Erectile Dysfunction of Arteriogenic and Nonarteriogenic Origin. / Dozio, Elena; Barassi, Alessandra; Dogliotti, Giada; Malavazos, Alexis E.; Colpi, Giovanni M.; D'Eril, Gian Vico Melzi; Corsi, Massimiliano M.

In: Journal of Sexual Medicine, Vol. 9, No. 9, 09.2012, p. 2370-2377.

Research output: Contribution to journalArticle

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abstract = "Introduction. Erectile dysfunction (ED) is often associated with metabolic disorders. Leptin and adiponectin are adipose tissue-derived hormones involved in the regulation of metabolic homeostasis and considered important players in the relationship among obesity and cardiovascular diseases. Aim. Leptin, adiponectin, leptin to adiponectin ratio (L/A), and their correlation with hormonal and metabolic parameters were examined in male with arteriogenic- (A-ED) and nonarteriogenic-ED (NA-ED). Main Outcome Measures. Biochemical, metabolic, and hormonal parameters of men with A-ED were compared with those of male with NA-ED. Methods. Diagnosis of ED was based on the International Index of Erectile Function Score. Its etiology was classified with penile echo-color Doppler at baseline and after intracavernous injection of prostaglandin E1. Leptin and adiponectin were measured by enzyme-linked immunosorbent assay. Results. In A-ED subjects, increased levels of insulin, glycated hemoglobin, homeostasis model assessment of insulin resistance (HOMA-IR) index, body mass index (BMI), leptin, and L/A and decreased levels of total, free, and bioavailable testosterone were observed compared with NA-ED subjects. A trend toward lower estradiol level was also present in A-ED patients, even if not statistically significant. Reduced levels of adiponectin have been observed in both groups compared with patients without ED. Leptin and L/A correlated similarly with several parameters (negatively with testosterone/estradiol ratio and positively with BMI, insulin, HOMA-IR, and 17-beta estradiol). L/A resulted further correlated negatively with high-density lipoprotein and positively with triglycerides. Conclusions. Not all ED cases are similar. In fact, A-ED patients display a more complicated metabolic status characterized by overweight and obesity and associated to sexual hormone alteration. Whether changes in body composition and modulation of adipokine levels can improve local endothelial function need further investigation.",
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AU - Dogliotti, Giada

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