Article

Erectile Dysfunction Predicts Cardiovascular Events in High-Risk Patients Receiving Telmisartan, Ramipril, or Both The ONgoing Telmisartan Alone and in combination with Ramipril Global Endpoint Trial/Telmisartan Randomized AssessmeNt Study in ACE iNtolerant subjects with cardiovascular Disease (ONTARGET/TRANSCEND) Trials

Department of Cardiology, University of the Saarland, Saarbrücken, Germany.
Circulation (Impact Factor: 14.43). 03/2010; 121(12):1439-46. DOI: 10.1161/CIRCULATIONAHA.109.864199
Source: PubMed

ABSTRACT

Although erectile dysfunction (ED) is associated with cardiovascular risk factors and atherosclerosis, it is not known whether the presence of ED is predictive of future events in individuals with cardiovascular disease. We evaluated whether ED is predictive of mortality and cardiovascular outcomes, and because inhibition of the renin-angiotensin system in high-risk patients reduces cardiovascular events, we also tested the effects on ED of randomized treatments with telmisartan, ramipril, and the combination of the 2 drugs (ONTARGET), as well as with telmisartan or placebo in patients who were intolerant of angiotensin-converting enzyme inhibitors (TRANSCEND).
In a prespecified substudy, 1549 patients underwent double-blind randomization, with 400 participants assigned to receive ramipril, 395 telmisartan, and 381 the combination thereof (ONTARGET), as well as 171 participants assigned to receive telmisartan and 202 placebo (TRANSCEND). ED was evaluated at baseline, at 2-year follow-up, and at the penultimate visit before closeout. ED was predictive of all-cause death (hazard ratio [HR] 1.84, 95% confidence interval [CI] 1.21 to 2.81, P=0.005) and the composite primary outcome (HR 1.42, 95% CI 1.04 to 1.94, P=0.029), which consisted of cardiovascular death (HR 1.93, 95% CI 1.13 to 3.29, P=0.016), myocardial infarction (HR 2.02, 95% CI 1.13 to 3.58, P=0.017), hospitalization for heart failure (HR 1.2, 95% CI 0.64 to 2.26, P=0.563), and stroke (HR 1.1, 95% CI 0.64 to 1.9, P=0.742). The study medications did not influence the course or development of ED.
ED is a potent predictor of all-cause death and the composite of cardiovascular death, myocardial infarction, stroke, and heart failure in men with cardiovascular disease. Trial treatment did not significantly improve or worsen ED.
URL: http://www.clinicaltrials.gov. Unique identifier: NCT 00153101.

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    • "The multifactorial nature of ED is evident and population studies show that cardiovascular and metabolic diseases such as arterial hypertension , dyslipidemia, obesity, diabetes and insulin resistance are major risk factors for the development of vasculogenic ED [2]. Clinical studies showed that in high-risk cardiovascular patients, ED is highly predictive of all-cause of deaths and the composite of cardiovascular deaths, myocardial infarction, stroke and heart failure (HF) [3]. ED and HF share many risk factors, which is not surprising since ED is considered a consequence of vascular disease [4]. "
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    ABSTRACT: Aims: The rates of erectile dysfunction (ED) in heart failure (HF) are extremely high. This study tested the hypothesis that rats with HF display ED and that HF leads to increased sympathetic-mediated contractile tone of the cavernous tissue and/or internal pudendal arteries (IPA) as potential mechanisms contributing to ED. Main methods: HF was induced in Wistar rats by ligation of the left anterior descending coronary artery. Changes in the ratio of intracavernosal pressure/mean arterial pressure (ICP/MAP) after electrical stimulation of major pelvic ganglion were determined in vivo. Cavernosal and IPA contractions were induced by electric field stimulation (EFS) and phenylephrine. RhoA, Rho kinase 2 (ROCK 2) and myosin phosphatase target protein 1 (MYPT-1) protein expression and phosphorylation levels were also determined. Key findings: HF rats display impaired erectile function represented by decreased ICP/MAP responses. EFS-mediated contractions were increased by HF in cavernous tissue and IPA. Contractions induced by phenylephrine were increased in cavernous tissue of HF rats, but decreased in IPA rings. Moreover, HF decreased RhoA protein expression, but increased ROCK 2 and MYPT-1 phosphorylation levels in cavernous tissue. In conclusion, rats with HF induced by myocardial infarction display ED in vivo and increased sympathetic-mediated contractile responses in cavernous tissue and IPA. Increased sympathetic-mediated contractile responses were associated with increased ROCK 2 and MYPT-1 phosphorylation in cavernosal tissue, suggesting the involvement of ROCK signaling pathway in ED genesis. Significance: Our findings suggest new mechanisms linking HF to ED, providing potential therapeutic targets for treating ED associated to HF.
    Full-text · Article · Dec 2015 · Life sciences
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    • "A consensus exists to consider ED an independent predictor of CVD [31] [32] [33] [34] [35] [36], including CAD [37], peripheral artery disease [38], and stroke [39]. The early symptom of erectile difficulty often occurs before the development of structural, occlusive arterial disease and may therefore be one of the first signs of systemic vascular disease [14]. "
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    ABSTRACT: Background: Evidence is accumulating in favour of a link between erectile dysfunction (ED) and coronary artery diseases. We investigated the presence of cardiac injury in patients who have had arteriogenic and nonarteriogenic ED using the hs-Tn levels. Methods: The diagnosis of ED was based on the International Index of Erectile Function 5-questionnaire (IIF-5) and patients were classified as arteriogenic (A-ED, n = 40), nonarteriogenic (NA-ED, n = 48), and borderline (BL-ED, n = 32) patients in relation to the results of echo-color-Doppler examination of cavernous arteries. The level of hs-TnT and hs-TnI was measured in 120 men with a history of ED of less than one year with no clinical evidence of cardiac ischemic disease. Results: The levels of both hs-TnT and hs-TnI were within the reference range and there was no significant (P > 0.05) difference between patients of the three groups. The hs-CRP values were higher in A-ED men compared with NA-ED (P = 0.048) but not compared with BL-ED (P = 0.136) and negatively correlated with IIF-5 (r = -0.480; P = 0.031). Conclusions: In ED patients of the three groups the measurement of hs-Tn allows us to exclude the presence of cardiac involvement at least when the history of ED is less than one year and the men are without atherosclerotic risk factors.
    Full-text · Article · Apr 2015 · Disease markers
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    • "Epidemiological studies estimated the prevalence of moderate to severe ED in the age range of 5–20% of men [5]. It is now well accepted that ED may be associated with cardiovascular risk factors as well as cardiovascular underlying diseases [6]. In other words, risk factors for ED and cardiovascular disorders are defined similarly [7]. "

    Full-text · Article · May 2014 · International journal of cardiology
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