期刊
CARDIOVASCULAR DIABETOLOGY
卷 16, 期 -, 页码 -出版社
BMC
DOI: 10.1186/s12933-017-0496-8
关键词
Obesity; Metabolic syndrome; Coronary computed tomography angiography; Coronary artery disease; Prognosis; Cohort
资金
- NHLBI NIH HHS [K23 HL127099] Funding Source: Medline
Objective: To investigate the relationship among body mass index (BMI), cardiometabolic risk and coronary artery disease (CAD) among patients undergoing coronary computed tomography angiography (CTA). Methods: Retrospective cohort study of 1118 patients, who underwent coronary CTA at two centers from September 2004 to October 2011. Coronary CTA were categorized as normal, nonobstructive CAD (< 50%), or obstructive CAD (>= 50%) in addition to segment involvement (SIS) and stenosis scores. Extensive CAD was defined as SIS > 4. Association of BMI with cardiovascular prognosis was evaluated using multivariable fractional polynomial models. Results: Mean age of the cohort was 57 +/- 13 years with median follow-up of 3.2 years. Increasing BMI was associated with MetS (OR 1.28 per 1 kg/m(2), p < 0.001) and burden of CAD on a univariable basis, but not after multivariable adjustment. Prognosis demonstrated a J-shaped relationship with BMI. For BMI from 20-39.9 kg/m(2), after adjustment for age, gender, and smoking, MetS (HR 2.23, p = 0.009) was more strongly associated with adverse events. Conclusions: Compared to normal BMI, there was an increased burden of CAD for BMI > 25 kg/m(2). Within each BMI category, metabolically unhealthy patients had greater extent of CAD, as measured by CCTA, compared to metabolically healthy patients.
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