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Treatment Patterns of Lipid-Lowering Therapy in Patients with Coronary Artery Disease Aged Above and Below 75 Years: A Retrospective Cross-Sectional Study of 1500 Patients in a Tertiary Care Referral Center in Germany

INTRODUCTION: Lipid-lowering therapy of elderly patients with coronary artery disease (CAD) inherits a medical challenge, as these patients experience a higher absolute risk reduction but may be more prone to side effects. We aimed to evaluate the treatment patterns in lipid-lowering therapy, compar...

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Detalles Bibliográficos
Autores principales: Dykun, Iryna, Wiefhoff, Daniela, Totzeck, Matthias, Al-Rashid, Fadi, Jánosi, R. Alexander, Hendricks, Stefanie, Rassaf, Tienush, Mahabadi, Amir A.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Springer International Publishing 2020
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7320066/
https://www.ncbi.nlm.nih.gov/pubmed/32468428
http://dx.doi.org/10.1007/s40266-020-00768-9
Descripción
Sumario:INTRODUCTION: Lipid-lowering therapy of elderly patients with coronary artery disease (CAD) inherits a medical challenge, as these patients experience a higher absolute risk reduction but may be more prone to side effects. We aimed to evaluate the treatment patterns in lipid-lowering therapy, comparing CAD patients above versus below 75 years of age. METHODS: We retrospectively included patients with known CAD admitted to the West German Heart and Vascular Center. Low-density lipoprotein cholesterol (LDL-C) levels and intensity of statin therapy (based on dosage and type of statin) were assessed from all available hospital records. RESULTS: We included 1500 patients (mean age 68.4 ± 11.2 years, 75.7% male) from 813 referring treating primary care physicians in 98 cities of Germany in our analysis. A total of 982 patients were < 75 years of age, whereas 518 were ≥ 75 years of age. LDL-C levels did not differ between age groups (≥ 75: 96.0 ± 35.1 mg/dl; < 75: 98.9 ± 35.8 mg/dl, p = 0.13). Simvastatin was most frequently prescribed in both age groups (54.9% vs. 50.7% for age ≥ 75 vs. < 75 years, p = 0.16), followed by atorvastatin (31.6% vs. 33.3%, p = 0.53). Elderly patients received slightly lower statin doses as compared to patients < 75 years of age (28.8 ± 12.8 mg vs. 31.4 ± 13.7 mg, p = 0.0007). Interestingly, patients ≥ 75 years of age achieved LDL-C < 70 mg/dl slightly more frequently than younger patients (24.0% vs. 20.1%, p = 0.09), while only a minority had LDL-C < 55 mg/dl in both age groups. Excluding patients with myocardial infarction at presentation, creatine kinase levels were not relevantly different between age groups (131.9 ± 450.0 U/l vs. 127.5 ± 111.4 U/l, p = 0.78). CONCLUSION: Patients ≥ 75 years of age receive lower doses of statin therapy and reach slightly lower LDL-C levels. However, the majority of elderly patients miss current recommendations regarding LDL-C thresholds.