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Elevated high-density lipoprotein cholesterol and adverse outcomes in women with symptoms of ischemic heart disease

HumanInsight Elevated high-density lipoprotein cholesterol and adverse outcomes in women with symptoms of ischemic heart disease

Am Heart J Plus. 2024 Feb 29;40:100376. doi: 10.1016/j.ahjo.2024.100376. eCollection 2024 Apr.


BACKGROUND: Emerging data in the general population and those with coronary artery disease demonstrate higher risk of adverse outcomes with high (>70 mg/dL) HDL-C levels. There are limited data on the risk of adverse outcomes in women with suspected ischemic heart disease.

OBJECTIVE: To investigate relationships between high (>70 mg/dL), average (50-70 mg/dL), and low (<50 mg/dL) HDL-C levels with major adverse cardiac events (MACE) (death, myocardial infarction, stroke, and heart failure hospitalization), and all-cause mortality in women referred for coronary angiography for suspected myocardial ischemia.

METHODS: A total of 607 women enrolled in the Women's Ischemia Syndrome Evaluation (WISE) original cohort (NCT00000554) with available HDL-C values were included in this analysis. Associations between HDL-C level and outcomes were evaluated using both multivariate Cox proportional hazard regression and spline regression analysis.

RESULTS: The mean age was 59 ± 12 years, 62 % had 3 or more cardiac risk factors, and 66 (10.9 %) had a high HDL-C. High and low HDL-C were both associated with higher MACE risk compared to average HDL-C after adjusting for demographic and clinical characteristics (HR 1.80, CI 1.03-3.14, p = 0.038; HR 1.63, CI 1.09-2.42, p = 0.016, respectively). Similarly, high, and low HDL-C were associated with higher risk of all-cause mortality (HR 3.64, CI 1.84-7.20, p < 0.001; HR 2.81, CI 1.67-4.71, p < 0.001, respectively).

CONCLUSIONS: High and low HDL-C levels are both independently associated with higher MACE and all-cause mortality in women with suspected ischemia undergoing coronary angiography.

PMID:38510502 | PMC:PMC10946010 | DOI:10.1016/j.ahjo.2024.100376

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