Key result
Dyslipidemia affected 46% of adults with congenital heart disease, with low HDL-C predominating in complex CHD and high total cholesterol predominating in simple or moderate CHD.
Why the study?
Atherosclerotic disease causes significant morbidity in adults with congenital heart disease, but the prevalence of dyslipidemia in this population is poorly described.
Cross-Sectional (n=186)
Yes
Dyslipidemia is highly prevalent (46%) but underdiagnosed in adults with congenital heart disease, suggesting routine lipid screening should be integrated into their preventive care.
Answers are grounded in this paper and cite their sources.
Dyslipidemia prevalence data in adult CHD highlight atherosclerotic risk; leaves open whether screening alters outcomes.
Atherosclerotic disease is an important cause of morbidity among adults with congenital heart disease (CHD). Prevalence of dyslipidemia in this group is poorly described. This study aimed to describe the prevalence of dyslipidemia among adults with CHD. A prospective, outpatient screening study was conducted among adults aged ≥18 years at 4 New England ambulatory congenital cardiology centers. Participants were surveyed regarding cardiovascular risk factors. Nonfasting fingerstick samples were obtained for analysis using a point-of-care lipid analyzer. Lipid screening was completed on 186 participants (median age 30 [range 18-71] years, 50% female). Eighteen (10%) had simple CHD anatomy, and 63 (34%) had complex anatomy. Only 15% of 169 respondents reported history of high cholesterol. Eighty-five (46%) participants met National Cholesterol Education Program definition of dyslipidemia with 60 (32%), 62 (34%), and 37 (20%) having low high-density lipoprotein cholesterol (HDL-C <40 mg/dL), high non–HDL-C (≥130 mg/dL), and high total cholesterol (TC ≥200 mg/dL), respectively. TC was higher among participants with simple CHD than among those with moderate and complex lesions (mean 178.4 ± 48.7 vs 170.1 ± 35.0 vs 157.6 ± 34.5 mg/dL; P = 0.03). HDL-C was lower among participants with complex CHD than among those with simple and moderate lesions (mean 44.1 ± 13.5 vs 46.9 ± 12.5 vs 49.8 ± 15.3 mg/dL; P = 0.05). Dyslipidemia is highly prevalent among our cohort of adults with CHD, despite <15% reporting a prior diagnosis. Low HDL-C was more common in complex CHD, and high TC was more common in simple or moderate CHD. Lipid screening should be part of preventive health maintenance for all adults with CHD.
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Wu et al. (2022) conducted a cross-sectional in Congenital Heart Disease (n=186). Congenital heart disease was evaluated on Prevalence of dyslipidemia (TC ≥200 mg/dL, HDL-C <40 mg/dL, or non-HDL-C ≥130 mg/dL). Dyslipidemia affected 46% of adults with congenital heart disease, with low HDL-C predominating in complex CHD and high total cholesterol predominating in simple or moderate CHD.
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