We undertook this cross-sectional study to investigate the distribution of venous reflux and effect of axial reflux in superficial and deep veins and to determine the clinical value of quantifying peak reverse flow velocity and reflux time in limbs with chronic venous disease.
Straub Foundation and John A. Burns School of Medicine, Department of Medicine, University of Hawaii, Honolulu, Hawaii, USA. gudmundurdanielsson@yahoo.com