Clinical evaluation of patients with chronic lower extremity venous disorder
Ultrasonography, Doppler, Duplex
© Springer-Verlag London 2013. All rights are reserved.A number of patient historical risk factors can influence the development of superficial venous disease. Among those considered to be of fairly certain significance are: family history, age, pregnancy, and female gender . Other factors of probable significance are: occupation requiring prolonged standing, obesity, physical activity involving heavy straining (exaggerated Valsalva's maneuver), sedentary occupation and/or lifestyle, neuromuscular disorder causing foot/calf muscle pump impairment, history of leg trauma, history of deep vein thrombosis, and connective tissue laxity [2, 3].
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