Hemorrhoidal disease and chronic venous insufficiency: concomitance or coincidence; results of the CHORUS study (Chronic venous and HemORrhoidal diseases evalUation and Scientific research) Universiteit Antwerpen
Background and Aim The CHORUS study (Chronic venous and HemORrhoidal diseases evalUation and Scientific research) was conducted to provide data on patients presenting with hemorrhoidal disease (HD) in clinical practice and to explore the frequency with which it coexists with chronic venous disease (CVD) and shared risk factors. Methods This international, noninterventional study enrolled adult patients attending a consultation for hemorrhoidal ...