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  • Title: Prognostic impact of familial hypercholesterolemia on long-term outcomes in patients undergoing percutaneous coronary intervention.
    Author: Tscharre M, Herman R, Rohla M, Piackova E, Vargas KG, Farhan S, Freynhofer MK, Weiss TW, Huber K.
    Journal: J Clin Lipidol; 2019; 13(1):115-122. PubMed ID: 30344049.
    Abstract:
    BACKGROUND: Patients with familial hypercholesterolemia (FH) are at increased risk for premature and subsequent cardiovascular disease. Data on long-term major adverse cardiovascular events (MACE) in patients with FH after percutaneous coronary intervention (PCI) in the era of high-intensity statins are scarce. OBJECTIVE: We assessed the prognostic impact of clinically diagnosed FH on long-term MACE, a composite of all-cause death, myocardial infarction, and ischemic stroke in patients admitted for stable coronary artery disease (SCAD) or acute coronary syndromes (ACSs) undergoing PCI. METHODS: FH was diagnosed according to the Dutch Lipid Clinic Network diagnosis criteria: "Unlikely FH" diagnosis was defined as 0 to 2 points, "possible FH" as 3 to 5 points, and "probable/definite FH" diagnosis as 6 or higher. RESULTS: From a total of 1550 eligible patients (47.4% were admitted for SCAD and 52.6% for ACS), 77 (5.0%) were classified as probable/definite FH, 332 (21.4%) as possible FH, and 1141 (73.6%) as unlikely FH. Mean follow-up was 6.0 ± 2.4 years. After adjustment for possible confounders, patients classified with probable or definite FH (hazard ratio [HR] 1.922 [95% confidence interval (CI) 1.220-2.999]; P = .004), but not patients with possible FH (HR 1.105 [95% CI 0.843-1.447]; P = .470) faced a significant, approximately 2-fold increased risk of MACE compared with patients with unlikely FH. CONCLUSION: After adjustment for confounders, patients with probable or definite FH faced an approximate 2-fold increased risk for long-term MACE compared with patients without FH despite the widespread use of high-intensity statins. The new option of proprotein convertase subtilisin/kexin type 9 gene inhibitors in addition to other current optimal lipid-lowering strategies might help to further improve clinical outcome in patients with probable/definite FH.
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