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There are limited data on the prevalence and treatment of familial hypercholesterolemia (FH) among Israeli adults who experience premature acute coronary syndrome (ACS). This study aimed to assess the prevalence of FH among young Israeli adults with ACS, examine the rates of lipid-lowering therapy administration, and determine low-density lipoprotein-cholesterol (LDL-C) levels 1 year after ACS. Patients aged ≤55 years hospitalized for ACS at Meir Medical Center between 2018 and 2019 were included. Probable/definite FH was defined using the Dutch Lipid Clinic criteria. Outcomes included the proportion of patients with probable or definite FH, rate of use of lipid-lowering medications, LDL-C levels 1 year postadmission, and major adverse cardiovascular and cerebrovascular events during 30 months of follow-up. The study population comprised 687 young adults with a median age of 48.5 years. Definite/probable FH was present in 61 patients (8.9%). At 1 year of follow-up, the proportions of patients without FH who had LDL-C levels70 and55 mg/100 ml were higher than those of patients with FH (55.9% vs 18%, p0.001 and 35.8% vs 11.5%, p0.001, respectively). At 1 year of follow-up, only 47.5% and 22% of patients with FH were treated with ezetimibe and proprotein convertase subtilisin/kexin type 9 inhibitor than were those without FH. The incidence of major adverse cardiovascular and cerebrovascular events was significantly higher among patients with FH. In conclusion, clinically defined FH was present in nearly 1 of 11 patients with premature ACS. There is a necessity for more aggressive lipid-lowering therapies in patients with FH after experiencing ACS. |
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