SQOR-V: A Patient Reported Outcome Specifically Dedicated to Chronic Venous Disorders

Abstract

Chronic venous disorders (CVD) are recognized on a number of clinical signs of variable severity, from telangiectasias to skin ulceration of the lower legs. Their symptomatology is highly variable as well. Evaluation of the global severity of the disease remains difficult, except when considering late stages and complications, which represent only a vary small group of patients. No biological or instrumental marker exists which could be correlated to improvement or worsening whether spontaneous or after treatment. All these characteristics of CVD explain why Patient Reported Outcome (PRO) are becoming a popular part of phlebological research. The SQOR-V is a validated PRO designed for Chronic Venous Disorders (CVD). It allows a relevant and sensitive assessment of clinical features and quality of life of patients at all stages of Chronic Venous Disorders (CVD). It can be used in epidemiological and clinical trials. It is sensitive enough to assess CVD at early stages of the disease. Using the SQOR-V in clinical trials is possible for any kind of treatment for CVD: drugs, compression, surgery, or endovenous ablation. It adds a composite global assessment complementary to hemodynamic measurements. The SQOR-V can be used freely; provided it is applied according to its construction rules and that its authors are informed of the intended use. More studies are needed to validate versions in more languages and to better refine its practical use.