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  • Title: The importance of diagnostic criteria in the association between the metabolic syndrome and cardiovascular disease in obese subjects.
    Author: Vidal J, Morínigo R, Codoceo VH, Casamitjana R, Pellitero S, Gomis R.
    Journal: Int J Obes (Lond); 2005 Jun; 29(6):668-74. PubMed ID: 15753955.
    Abstract:
    OBJECTIVE: To investigate whether the association between the metabolic syndrome (MS) and cardiovascular disease (CVD) in obese adults is influenced by the criteria used to diagnose the MS. DESIGN AND SUBJECTS: Cross-sectional study in 389 obese adults (male/female: 26%/74%; body mass index (BMI): 30.1-63.2 kg/m2; age: 18-79 y). MEASUREMENTS: To diagnose the MS by the WHO or the ATPIII criteria, body mass index, waist circumference, fasting and 2-h oral Glucose tolerance test plasma glucose, fasting plasma triglycerides and HDL cholesterol, systolic and diastolic blood pressure, 24-h albumin excretion, and fasting insulin were measured. The association between the MS diagnosed with either definition and self-referred CVD was investigated. RESULTS: The prevalence of the MS by the WHO was higher than by the ATPIII criteria (WHO 69.1%, ATPIII 49.4%; P<0.001). The MS diagnosed by the WHO criteria was significantly associated with self-referred CVD (odds ratio (OR) 5.80, 95% CI 1.35-24.95, P<0.05), whereas the ATPIIII MS was not (OR 1.34, 95% CI 0.59-3.03). An elevated blood pressure (OR 5.04, 95% CI 1.41-18.01, P<0.05) and microalbuminuria (OR 2.61, 95% CI 1.06-6.40, P<0.05) were independently associated with CVD. Consideration of the OGTT data as part of the ATPIII MS definition improved its associations with CVD (OR 4.39, 95% CI 1.29-14.94, P<0.05). CONCLUSION: The WHO criteria appear to identify a greater number of obese adults at risk for CVD. Nevertheless, the addition of an OGTT at least in nondiabetic patients with two ATPIII-defined metabolic risk factors may help to improve the association between the MS and CVD in obese adults.
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