Epidemiology of Erectile Dysfunction

June 24, 2014 admin Erectile Dysfunction Articles

Erectile dysfunction (ED) is a common, age-related disorder in men, which has been associated with multiple medical and psychosocial risk factors. In addition to the well-known association with age, cardiovascular risk factors have been associated with ED in multiple studies. Based upon these findings, ED has been proposed as a sentinel event or harbinger of future cardio-vascular risk for younger or older men with ED. Other studies have shown an association between ED and depressed mood or loss of well-being in many men with the disorder. Based on recent analyses of the Massachusetts Male Aging Study, we have shown that approximately one third of men with ED show improvement in their symptoms over time (remission), whereas 2/3 show progression or no change over time. Progression was most evident in older men with other health risks. Viagra in Canada Recent findings from the Boston Area Community Health (BACH) study have shown that apparent associations between ED and race/ ethnicity are due primarily to differences in socio-economic status between the groups. The role of medical comorbidities, concomitant medications and lifestyle factors have also been highlighted in these studies. Future studies will investigate mechanisms associated with these effects and the broader psychosocial impact of ED.

Background and Overview

Erectile dysfunction is a significant and common medical problem. Epidemiologic surveys in the past 20 years suggest that approximately 30-40% of men over 40 have ED to one degree or another. Data from the Massachusetts Male Aging Study (MMAS) have shown that ED is a common occurrence among aging men with a prevalence rate of 34.8% of moderate to complete ED. The disorder is highly age dependent, as the prevalence rises from 2% for men aged 40a��49, 6% for men aged 50a��59, 17% for men aged 60a��69, and 39% for men aged 70 and older. Recent reports from the National Health and Nutrition Examination Survey (NHANES III) and the Males Attitude Regarding Sexual Health Survey (MARSH) show similar prevalence estimates. NHANES data suggests that Hispanics are more likely to report ED especially at younger ages (<50 years), a pattern not observed in the MARSH study.

Findings from multiple epidemiological studies have also shown convincingly that ED impacts mood state, interpersonal functioning, and overall quality of life. ED is associated with a wide range of psychosocial consequences and risk factors, such as decreased quality of life (QoL), poor self-esteem and increased incidence of depression and interpersonal relationship problems. Numerous studies have demonstrated that ED can undermine a mana��s QoL; for example, JA?nler et al. have shown that patients with the loss of erectile function within the past year had significantly lower QoL than men without ED. Similarly, in other recent studies, men with a complaint of ED had poorer QoL than age matched men from the general population. QoL was also shown to be impaired in men with ED and diabetes who showed significantly higher levels of diabetes-specific health distress, worse psychological adaptation to and acceptance of diabetes, and a less satisfactory sexual life. Moreover, these men were more easily frustrated and discouraged by their diabetes, which translated into worse metabolic control and higher levels of depressive symptoms. Although not a life-threatening condition, ED is thought to have a profound effect on the quality of life of aging men. Moreover, ED is viewed increasingly as a harbinger or signal of future cardiovascular events.


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