The gold standard diagnosis in patients admitted to the hospital with the complaint of erectile dysfunction is penile doppler ultrasonography. This procedure is an invasive procedure and can cause various complications. Therefore, in this study, we aimed to support and define the diagnosis of erectile dysfunction with some biomarkers that can be measured in blood samples. At this point, we performed penile doppler ultrasonography, which is the gold standard test, for all patients who applied with the complaint of erectile dysfunction, and compared the results of penile doppler and serum biomarkers in the patients.

Inclusion Criteria:

• Patients with severe erectile dysfunction according to International Index of Erectile Function-15 questionnaire
• Patients who have not received medical or surgical treatment before
• Patients without comorbidity and related drug use

Exclusion Criteria:

• Patients who have had previous pelvic trauma or surgery,
• Patients who have benefited from using phosphodiesterase-5 enzyme inhibitors,
• Patients with psychogenic erectile dysfunction and moderate or mild erectile dysfunction according to International Index of Erectile Function-15 questionnaire,
• Patients who have neurological disease, chronic liver disease and patients with chronic renal failure and those who used drugs that could cause erectile dysfunction

Because erectile dysfunction is a male-specific disease

tertiary care clinic