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. 2023 Dec;33(12):2398-2405.
doi: 10.1016/j.numecd.2023.07.036. Epub 2023 Aug 7.

Prevalence and predictive role of hypertriglyceridemia in statin-treated patients at very high risk: Insights from the START study

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Prevalence and predictive role of hypertriglyceridemia in statin-treated patients at very high risk: Insights from the START study

Leonardo De Luca et al. Nutr Metab Cardiovasc Dis. 2023 Dec.

Abstract

Background and aim: Elevated triglyceride (TG) levels seem to identify subjects at increased cardiovascular risk, independent of LDL-C levels. We sought to evaluate the predictive role of hypertriglyceridemia, defined as TG levels ≥150 mg/dl, in very high risk (VHR) patients with chronic coronary syndromes (CCS) treated with statins.

Methods and results: Using the data from the STable Coronary Artery Diseases RegisTry (START) study, an Italian nationwide registry, we assessed the association between the TG levels and baseline clinical characteristics, pharmacological treatment and major adverse cardio-cerebrovascular events (MACCE) at 1 year in a large cohort of statin-treated patients at VHR. Of the 4751 consecutive patients with CCS enrolled in the registry and classified as VHR, 2652 (55.8%) had TG values available (mean 120.6 ± 54.9) and were treated with at least a statin at baseline: 2019 (76.1%) with TG < 150 and 633 (23.9%) with TG ≥ 150 mg/dl. At 1 year from enrolment, MACCE occurred in 168 (6.3%) patients, without differences between the two groups of TG (5.9 vs 7.6%; p = 0.14). At multivariable analysis, hypertriglyceridemia did not result as independent predictor of the MACCE (hazard ratio: 1.16; 95% confidence intervals: 0.82-1.64; p = 0.42).

Conclusions: In the present large, nationwide cohort of consecutive CCS patients at VHR with statin-controlled LDL-C levels, hypertriglyceridemia was present in around 24% of cases and did not result as predictor of MACCE at 1 year. Further studies with a longer follow-up and larger sample size are needed to better define the prognostic role of TG levels when intensive LDL lowering therapies are used.

Keywords: Ezetimibe; Hypertriglyceridemia; LDL-C; Management; Statin; Treatment.

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Conflict of interest statement

Declaration of competing interest All authors have reported that no potential conflicts of interest exist with any companies/organizations whose products or services may be discussed in this article.

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