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Microvascular endothelial dysfunction predicts the development of erectile dysfunction in men with coronary atherosclerosis without critical stenoses


Reriani, M; Flammer, A J; Li, J; Prasad, M; Rihal, C; Prasad, A; Lennon, R; Lerman, L O; Lerman, A (2014). Microvascular endothelial dysfunction predicts the development of erectile dysfunction in men with coronary atherosclerosis without critical stenoses. Coronary artery disease, 25(7):552-557.

Abstract

BACKGROUND: Erectile dysfunction (ED) is associated with an increased risk for cardiovascular disease, stroke, and all-cause mortality, independent of conventional cardiovascular risk factors. Coronary endothelial dysfunction is independently associated with ED in men with early coronary atherosclerosis. We aimed to investigate whether coronary microvascular dysfunction predicts development of ED in patients presenting with coronary atherosclerosis without critical stenoses. PATIENTS AND METHODS: Coronary microvascular function was evaluated in 130 men with coronary atherosclerosis without critical stenoses by administration of intracoronary acetylcholine at the time of diagnostic study. After a mean follow-up of 8.4 years, patients were assessed for the development of ED by administration of a questionnaire. RESULTS: In all, 68 (50%) men had microvascular endothelial dysfunction at baseline; 35 (51%) men with microvascular endothelial dysfunction developed ED on follow-up compared with 19 (31%) men without microvascular endothelial dysfunction. Men who developed ED had a lower coronary blood flow response (% [INCREMENT]CBF) compared with men who did not develop ED, with mean+/-SD of 25.4+/-71.3 versus 81.7+/-120 (P=0.003). In univariate analysis, microvascular endothelial dysfunction was a predictor for the development of ED, with relative risk of 2.4 (1.2-4.9) (P=0.016). In multivariate logistic regression adjusting for traditional cardiovascular risk factors (age, hypertension, hyperlipidemia, diabetes, vascular disease, and family history of coronary artery disease), only microvascular endothelial dysfunction (P=0.027) and age (P=0.044) remained significant predictors of development of ED. CONCLUSION: Coronary microvascular dysfunction is a predictor of the development of ED in men with coronary atherosclerosis without critical stenoses. This study underscores the systemic involvement of the endothelial function in vascular disease.

Abstract

BACKGROUND: Erectile dysfunction (ED) is associated with an increased risk for cardiovascular disease, stroke, and all-cause mortality, independent of conventional cardiovascular risk factors. Coronary endothelial dysfunction is independently associated with ED in men with early coronary atherosclerosis. We aimed to investigate whether coronary microvascular dysfunction predicts development of ED in patients presenting with coronary atherosclerosis without critical stenoses. PATIENTS AND METHODS: Coronary microvascular function was evaluated in 130 men with coronary atherosclerosis without critical stenoses by administration of intracoronary acetylcholine at the time of diagnostic study. After a mean follow-up of 8.4 years, patients were assessed for the development of ED by administration of a questionnaire. RESULTS: In all, 68 (50%) men had microvascular endothelial dysfunction at baseline; 35 (51%) men with microvascular endothelial dysfunction developed ED on follow-up compared with 19 (31%) men without microvascular endothelial dysfunction. Men who developed ED had a lower coronary blood flow response (% [INCREMENT]CBF) compared with men who did not develop ED, with mean+/-SD of 25.4+/-71.3 versus 81.7+/-120 (P=0.003). In univariate analysis, microvascular endothelial dysfunction was a predictor for the development of ED, with relative risk of 2.4 (1.2-4.9) (P=0.016). In multivariate logistic regression adjusting for traditional cardiovascular risk factors (age, hypertension, hyperlipidemia, diabetes, vascular disease, and family history of coronary artery disease), only microvascular endothelial dysfunction (P=0.027) and age (P=0.044) remained significant predictors of development of ED. CONCLUSION: Coronary microvascular dysfunction is a predictor of the development of ED in men with coronary atherosclerosis without critical stenoses. This study underscores the systemic involvement of the endothelial function in vascular disease.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > University Hospital Zurich > Clinic for Cardiology
Dewey Decimal Classification:610 Medicine & health
Date:2014
Deposited On:12 Feb 2015 11:28
Last Modified:07 Aug 2017 00:20
Publisher:Lippincott Williams & Wilkins
ISSN:0954-6928
Free access at:PubMed ID. An embargo period may apply.
Publisher DOI:https://doi.org/10.1097/MCA.0000000000000145
PubMed ID:25028978

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