Difficulties in achieving target levels of low density lipoproteid cholesterol in patients with atherosclerotic cardiovascular diseases in real clinical practice

Authors

  • M. V. Ezhov Chazov National Medical Research Center of Cardiology
  • U. V. Chubykina Chazov National Medical Research Center of Cardiology
  • V. A. Dmitriev LLC «Novartis Pharma», Russia

DOI:

https://doi.org/10.34687/2219-8202.JAD.2023.04.0003

Keywords:

atherosclerotic cardiovascular diseases, hyperlipidemia, LDL-C, lipid-lowering therapy, real clinical practice

Abstract

Aim. To evaluate the frequency of low-density lipoprotein cholesterol (LDL-C) target level achievement in patients with atherosclerotic cardiovascular diseases (CVD) in real clinical practice.

Methods. A non-interventional retrospective study to assess the quality of care for patients with CVD and hyperlipidemia in routine clinical practice. Data collection performed in the absence of intervention (intervention). The study was reviewed and approved by the ethics committee (protocol №10 of Interuniversity Ethical Commission meeting dated November 25, 2021). The planned sample size for analysis is 12918 patients and is administratively limited. The analysis will be performed based on the diseases coding according to the International Classification of Diseases (ICD).

Results. The study included 12918 patients with atherosclerotic CVD, 48.7% were men. The mean age of the patients was 62.1±13.0 years. Common variants of combined cardiovascular pathology were: hypertension + cerebrovascular diseases (25.2%), type 2 diabetes + hypertension (23.6%), peripheral arterial disease + hypertension (23.2%), ischemic heart disease + hypertension (17.0%), ischemic heart diseases + type 2 diabetes (9.1%). The LDL-C level in real clinical practice was determined in 52.2% (n=6747) of the analyzed medical histories. Attention is drawn to the extremely low frequency of determining the LDL-C concentration in patients with ischemic heart disease (53%) and peripheral arterial disease (45.9%). LDL-C level >3.0 mmol/l was detected in 53.0% cases with peripheral arterial disease, 44.5% with ischemic heart disease and 77.7% with hyperlipidemia. Half of patients with atherosclerotic CVD were not taking any lipid-lowering therapy. Combined lipid-lowering therapy with statins and ezetimibe was used in 0.07% of patients. There were no cases of prescribing PCSK9 inhibitors. Only 12.5% of atherosclerotic CVD patients achieved LDL-С level of less than 1.8 mmol/l.

Conclusion. In real clinical practice a low frequency of achieving and retaining the target LDL-С level has been revealed, which may primarily be due to doctors' failure to comply with the algorithm for prescribing lipid-lowering set out in the national guidelines on "Lipid metabolism disorders".

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Author Biographies

M. V. Ezhov, Chazov National Medical Research Center of Cardiology

President, Russian National Atherosclerosis Society Professor, Main Researcher
Head, Laboratory of Lipid Disorders Myasnikov Clinical Cardiology Research Institute

U. V. Chubykina, Chazov National Medical Research Center of Cardiology

к.м.н., м.н.с. лаборатории нарушений липидного обмена ФГБУ «НМИЦК им. ак. Е.И. Чазова» Минздрава России

V. A. Dmitriev, LLC «Novartis Pharma», Russia

Старший медицинский советник

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Published

2023-12-08

How to Cite

Ezhov M. V. ., Chubykina U. V., Dmitriev V. A. Difficulties in achieving target levels of low density lipoproteid cholesterol in patients with atherosclerotic cardiovascular diseases in real clinical practice // The Journal of Atherosclerosis and Dyslipidemias. 2023. VOL. № 4 (53). PP. 27–34.

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Section

Original research paper