BACKGROUND: Obesity is a risk factor for venous disease. We tested the associations between adipokines and the presence and severity of venous disease. METHODS: Participants for this analysis were drawn from a cohort of 2408 employees and retirees of a university in San Diego who were examined for venous disease using duplex ultrasonography. From this cohort, a case-control study sample of all 352 subjects with venous disease and 352 age-, sex- and race-matched subjects without venous disease were included in this analysis. All subjects completed health history questionnaires, had a physical examination with anthropometric measurements and had venous blood analyzed for adipokines. RESULTS: After adjustment for age, sex and race, those with venous disease had significantly higher levels of body mass index (BMI), leptin and interleukin-6. Levels of resistin and tumor necrosis factor-alpha were also higher but of borderline significance (0.05 < P < 0.10). Compared with the lowest tertile and with adjustment for age, sex, race and BMI, the 2nd and 3rd tertiles of resistin (odds ratios, 1.9 and 1.7, respectively), leptin (1.7 and 1.7) and tumor necrosis factor-alpha (1.4 and 1.7) were associated with increasing severity of venous disease. Conversely, a 5 kg m⁻² increment in BMI was associated with a higher odds ratio (1.5) for venous disease, which was independent of the adipokines included in this study. CONCLUSIONS: Both obesity and adipokines are significantly associated with venous disease. These associations appear to be independent of each other, suggesting potentially different pathways to venous disease.
BACKGROUND:Obesity is a risk factor for venous disease. We tested the associations between adipokines and the presence and severity of venous disease. METHODS:Participants for this analysis were drawn from a cohort of 2408 employees and retirees of a university in San Diego who were examined for venous disease using duplex ultrasonography. From this cohort, a case-control study sample of all 352 subjects with venous disease and 352 age-, sex- and race-matched subjects without venous disease were included in this analysis. All subjects completed health history questionnaires, had a physical examination with anthropometric measurements and had venous blood analyzed for adipokines. RESULTS: After adjustment for age, sex and race, those with venous disease had significantly higher levels of body mass index (BMI), leptin and interleukin-6. Levels of resistin and tumor necrosis factor-alpha were also higher but of borderline significance (0.05 < P < 0.10). Compared with the lowest tertile and with adjustment for age, sex, race and BMI, the 2nd and 3rd tertiles of resistin (odds ratios, 1.9 and 1.7, respectively), leptin (1.7 and 1.7) and tumor necrosis factor-alpha (1.4 and 1.7) were associated with increasing severity of venous disease. Conversely, a 5 kg m⁻² increment in BMI was associated with a higher odds ratio (1.5) for venous disease, which was independent of the adipokines included in this study. CONCLUSIONS: Both obesity and adipokines are significantly associated with venous disease. These associations appear to be independent of each other, suggesting potentially different pathways to venous disease.
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