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Diagnostic Tests To Investigate Patients with Venous Stasis Ulcers - Plethysmography, MRV, Doppler Ultrasund, Duplex Venous
Tuesday, August 13, 2013



In addition to venous duplex scanning, there are other techniques that are used to investigate patients with venous stasis ulcers.  These include venography, plethysmography, ambulatory venous pressure measurements, magnetic resonance imaging (MRV) and computed tomography.


Anatomic information is obtained with venous Doppler ultrasound, venography, magnetic resonance imaging, and computed tomography.  Plethysmography and ambulatory venous pressure measurements do not provide anatomic information about the venous system in the lower extremities.


Detailed hemodynamic information is obtained by duplex venous ultrasonography.  Global hemodynamic information is obtained by plethysmography and ambulatory venous pressure measurements.  Anatomic  information is obtained by magnetic resonance venography, computed tomography (CAT scan) or venography.


Ambulatory venous pressure measurements and venography are invasive techniques.  Venous Duplex scanning, plethysmography, and magnetic resonance venography are noninvasive techniques.


Venous duplex ultrasonography the most common technique that is used and is widely available in most vascular laboratories.  More sophisticated techniques may be ordered in patients that are being evaluated for venous stasis ulcers that are resistant to conventional treatments OR when there is suspected proximal obstruction of the deep venous system.


For evaluation and treatment of patients with venous stasis ulcers contact Hratch Karamanoukian, MD FACS at the Vein Treatment Center with offices in Williamsville, New York and Clarence, New York. 


Dr. Karamanoukian is board certified in phlebology (venous diseases and disease of the lymphatic system).  Dr. Karamanoukian can be contacted by calling 716-839-3638 or through go to and are partners with .



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