Lower Extremity Venous Hemodynamics in Obese Patients Without Clinically Significant Venous Disease

Exclusion Criteria

• •Prior diagnosis of chronic venous insufficiency or venous stasis ulceration
• •Prior diagnosis of lymphedema
• •Significant lower extremity edema as determined by study investigators. Lipidemia (in the absence of venous or lymphatic related edema) is acceptable.
• •Varicose veins (subcutaneous dilated vein \> 3 mm in diameter measured in upright position). Subjects with telangiectasias and/or mild reticular veins will be eligible (CEAP C1)
• •Patients who have been prescribed compression stockings by a health care provider at any time in the past, aside from prophylactic use during prior hospitalization to prevent VTE
• •Patients who have undergone any procedure for treatment of lower extremity varicose veins, including: sclerotherapy, venous ablation, phlebectomy, or a stripping procedure
• •History of DVT or SVT
• •Pregnancy
• •Active malignancy
• •Documented hypercoagulable state
• •Body weight exceeds weight limit of the venous air plethysmograph chair equipment (approximately 375 lbs)
• •Clinical diagnosis of lower extremity peripheral arterial disease or abnormal ankle-brachial index (ABI) in either lower extremity
• •History of surgical intervention involving pelvis or lower extremities
• •Pelvic or lower extremity radiation