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Quality of life (QOL) is increasingly seen as an important outcome in clinical care. Etiology, diagnosis, and management of venous thrombosis have been studied extensively, but only few studies have examined the impact of venous thrombosis on quality of life. The purpose of this study was to examine the impact of venous thrombosis on quality of life in a well-defined population of patients with venous thrombosis, by using both a generic and a disease-specific quality of life measure. A total of 45 patients from the thrombosis clinic of the University of Vermont in Burlington, VT, returned a mailed questionnaire including the Short-Form 36 (SF-36) and a disease-specific venous thrombosis-quality of life (VT-QOL) questionnaire about the problems faced by patients with venous thrombosis. The sample consisted of 13 men (28.9%) and 32 women (71.1%). The mean age was 44.1 years, with a range from 21 to 80 years. Compared with population norms of a general U.S. population that were adjusted for age and sex (N= 2463), venous thrombosis patients scored significantly lower (p < 0.05) on all subscales of the SF-36. Patients with the postthrombotic syndrome (PTS) appeared to have more impairment in their quality of life as measured by both the SF-36 and the disease-specific questionnaire. All correlations between the SF-36 subscales and the subscales of the VT-QOL were significant, most of them on a p < 0.01 level. Given the impact of venous thrombosis and the postthrombotic syndrome on quality of life, assessment of QOL should be included in future studies on the outcome of venous thrombosis.

Background: Post-thrombotic syndrome (PTS) in adults, characterized by swelling, skin pigmentation, pain, and ulceration of the limb, is secondary to deep vein thrombosis (DVT). In contrast to the extensive documentation on PTS in adults, little is known about the risk of PTS in children., Objective: To determine the incidence, clinical characteristics, and predictors of PTS in children., Methods: A cross-sectional study in 153 nonselected children with objectively confirmed DVT. All children were assessed for PTS using a standardized score. As per the PTS score, severity was classified as: absent, mild, moderate, or severe., Results: Post-thrombotic syndrome was present in 96/153 children (63%), in which 80 (83%) were mild and 16 (17%) were moderate. Swelling was the most frequently recorded subjective symptom (43%) while increased limb circumference (71%) and presence of collateral circulation (53%) were the most frequently recorded objective symptoms. Risk factors for development of PTS were: lack of resolution of the DVT by radiographic assessment (OR 3.96, 95% CI 1.68-9.30), number of vessels involved in the initial DVT (OR 2.05, 95% CI 1.52-2.77), and length of follow-up (OR 1.22, 95% CI 1.08-1.39)., Conclusions: These findings demonstrate that PTS is a clinically significant disease in children with previous DVT.