Related Experiment Video
Updated: Jun 2, 2026
04:36
An Assay to Detect Protection of the Retinal Vasculature from Diabetes-Related Death in Mice
Published on: January 12, 2024
Erectile dysfunction is associated with severe retinopathy in diabetic men
Oren Henis1, Yonathan Shahar, Arie Steinvil
1Sackler School of Medicine, Tel-Aviv University, Israel.
Urology
|May 5, 2011
Summary
Erectile dysfunction (ED) is more common in men with severe diabetic retinopathy (DR). This association persists regardless of age, diabetes duration, or other health conditions, highlighting DR severity as a key factor.
Area of Science:
- Ophthalmology
- Endocrinology
- Urology
Background:
- Diabetic retinopathy (DR) and erectile dysfunction (ED) are common complications in men with diabetes mellitus.
- The relationship between the severity of DR and the prevalence of ED has not been previously investigated.
Purpose of the Study:
- To investigate the association between the severity of diabetic retinopathy (DR) and erectile dysfunction (ED) in men with type 2 diabetes mellitus.
Main Methods:
- A cross-sectional study involving 102 men with type 2 diabetes mellitus.
- Participants were categorized into a study group (severe nonproliferative DR or proliferative DR) and a control group (no or mild NPDR).
- Erectile dysfunction was assessed using the Sexual Health Inventory for Males (SHIM) questionnaire, with a score <17 indicating significant ED.
Main Results:
- 73.5% of the cohort experienced significant ED.
- Men with severe DR (study group) had a higher prevalence of significant ED (87.5%) compared to controls (50.0%).
- Significant ED and SHIM scores were independently associated with DR severity (P = .001), even after adjusting for age, diabetes duration, and comorbidities.
Conclusions:
- The severity of diabetic retinopathy is significantly associated with the presence and severity of erectile dysfunction in diabetic men.
- This association is independent of common confounding factors such as age, diabetes duration, macrovascular conditions, and cardiovascular risk factors.
Related Concept Videos
01:27Diabetic Retinopathy
DefinitionDiabetic retinopathy is a microvascular complication of diabetes affecting the retinal blood vessels.Risk FactorsDiabetic retinopathy is present in almost all individuals with type 1 diabetes and more than 60% of those with type 2 diabetes after two decades of disease.The risk increases with poor glycemic control, hypertension, dyslipidemia, smoking, pregnancy, and puberty.Although cataracts and glaucoma are also more frequent in people with diabetes, retinopathy remains the leading...
01:20Disorders of the Male Reproductive System
Men's health issues are increasingly recognized as significant, with several conditions posing common threats. Among these, testicular cancer is especially prevalent in younger men, particularly those aged 20 to 35 years. The disease often manifests as a painless mass in the testicles, sometimes accompanied by a sensation of heaviness or a dull ache.
Prostate disorders are another major concern. These conditions can impair urinary flow due to the prostate's location around the urethra. Symptoms...
Prostate disorders are another major concern. These conditions can impair urinary flow due to the prostate's location around the urethra. Symptoms...
01:28Diabetic Nephropathy
Definition Diabetic nephropathy is a chronic kidney complication that results from prolonged hyperglycemia.Prevalence It is the most common cause of chronic kidney disease (CKD) and end-stage renal disease (ESRD) worldwide, affecting up to half of individuals with diabetes.Pathophysiology • Sustained hyperglycemia triggers multiple hemodynamic and metabolic changes in the kidney. • Early in the disease, increased renal blood flow and glomerular hyperfiltration occur due to afferent arteriolar...
01:22Diabetic Neuropathy
DefinitionDiabetic neuropathy is nerve damage caused by long-standing diabetes mellitus. It results directly from prolonged high blood sugar levels.PathophysiologyThe pathophysiology of diabetic neuropathy involves both metabolic and vascular disturbances triggered by chronic hyperglycemia.Metabolic injury: Elevated glucose levels activate the polyol pathway within nerve cells, leading to the accumulation of sorbitol and fructose. This increases oxidative stress, disrupts normal nerve...
01:31Diabetic Foot Ulcer
Definition A diabetic foot ulcer (DFU) is a chronic, non-healing wound that develops in individuals with diabetes. It typically occurs on pressure-bearing areas such as the heel, metatarsal heads, or hallux, and carries a high risk of infection and amputation.Pathophysiology • The development of DFUs can be explained by four interconnected mechanisms: neuropathy, ischemia, infection, and impaired wound healing. • Neuropathy is the most common factor. Sensory neuropathy reduces pain perception,...
01:22Complications of Diabetes Mellitus
Diabetes mellitus is a chronic metabolic disorder characterized by persistent hyperglycemia due to insulin deficiency, resistance, or both. Prolonged hyperglycemia disrupts metabolic homeostasis and leads to acute and chronic complications.Acute ComplicationsAcute complications result from sudden metabolic imbalance.Diabetic ketoacidosis (DKA) mainly appears in type 1 diabetes but may also develop in type 2 diabetes, particularly under extreme stress. It arises from severe insulin deficiency,...