Mesh : Ankle Brachial Index Blood Circulation Blood Flow Velocity Blood Gas Monitoring, Transcutaneous Blood Vessel Prosthesis Blood Vessel Prosthesis Implantation Blood Vessels / pathology Carotid Intima-Media Thickness Constriction, Pathologic / diagnosis Diagnostic Imaging / standards Electric Impedance Exercise Test Female Genitalia, Female / blood supply Humans Impotence, Vasculogenic / diagnosis Lower Extremity / anatomy & histology blood supply Lymphedema / diagnosis Male Nitroglycerin Patient Positioning Pelvic Pain / etiology Penis / blood supply Photoplethysmography Plaque, Atherosclerotic / pathology Postoperative Care Spermatic Cord / blood supply Stents Ultrasonography / methods standards Upper Extremity / anatomy & histology blood supply Vascular Diseases / diagnosis therapy Vascular Patency Vasodilator Agents