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  • Title: Severity of chronic venous disease and anatomic distribution of valvular incompetence.
    Author: Osęka M, Tworus R, Kabala P, Skórski M.
    Journal: Int Angiol; 2014 Jun; 33(3):282-91. PubMed ID: 24936535.
    Abstract:
    AIM: The aim of the study was to examine the association between anatomical patterns of valvular incompetence and the severity of venous insufficiency in patients with chronic venous disease. METHODS: A total of 211 consecutive patients (70% females) were referred from the vascular clinic to undergo a Doppler ultrasound examination. The extent and anatomical pattern of valvular incompetence was noted using CEAP criteria. Clinical classes C1-6 for each patient were expressed as a string of binary digits and translated into a clinical ordinal score. In this way, higher grade signs were not obscuring lower grade signs and non-parametric analysis could include a wider range of clinical data. RESULTS: Varicose veins were the main complaint in 33% of the patients. 54% had at least one incompetent deep vein, 80% had incompetent perforators. Clinical severity increased with age, but was not related with gender. The presence of deep venous incompetence did not account for significant increase in signs. Superficial incompetence, especially if involving two or more segments, was most commonly seen in patients with severe signs. A linear regression model for clinical ordinal score identified non-saphenous superficial reflux and small saphenous vein reflux as the strongest predictors of clinical severity. CONCLUSION: CEAP clinical classes can be translated into a clinical ordinal score, which is useful for data analysis. In a group with chronic venous disorders, clinical status is associated mostly with the condition of superficial and calf perforating veins.
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