Intensity of and Adherence to Lipid‐Lowering Therapy as Predictors of Major Adverse Cardiovascular Outcomes in Patients With Coronary Heart Disease

Background The effectiveness of lipid‐lowering therapy (LLT) is affected by both intensity and adherence. This study evaluated the associations of LLT intensity, adherence, and the combination of these 2 aspects of LLT management with the risk of major adverse cardiovascular events (MACE) in people...

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Main Authors: Faizan Mazhar, Paul Hjemdahl, Catherine M. Clase, Kristina Johnell, Tomas Jernberg, Arvid Sjölander, Juan Jesus Carrero
Format: Article
Language:English
Published: Wiley 2022-07-01
Series:Journal of the American Heart Association: Cardiovascular and Cerebrovascular Disease
Subjects:
Online Access:https://www.ahajournals.org/doi/10.1161/JAHA.122.025813
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author Faizan Mazhar
Paul Hjemdahl
Catherine M. Clase
Kristina Johnell
Tomas Jernberg
Arvid Sjölander
Juan Jesus Carrero
author_facet Faizan Mazhar
Paul Hjemdahl
Catherine M. Clase
Kristina Johnell
Tomas Jernberg
Arvid Sjölander
Juan Jesus Carrero
author_sort Faizan Mazhar
collection DOAJ
description Background The effectiveness of lipid‐lowering therapy (LLT) is affected by both intensity and adherence. This study evaluated the associations of LLT intensity, adherence, and the combination of these 2 aspects of LLT management with the risk of major adverse cardiovascular events (MACE) in people with coronary heart disease. Methods and Results This is an observational study of all adults who suffered a myocardial infarction or had coronary revascularization during 2012 to 2018 and initiated LLT in Stockholm, Sweden. Study exposures were LLT adherence (proportion of days covered), LLT intensity (expected reduction of low‐density lipoprotein cholesterol), and the combined measure of adherence and intensity. At each LLT fill, adherence and intensity during the previous 12 months were calculated. The primary outcomes were MACE (nonfatal myocardial infarction or stroke and death); secondary outcomes were low‐density lipoprotein cholesterol goal attainment and individual components of MACE. We studied 20 490 patients aged 68±11 years, 75% men, mean follow‐up 2.6±1.1 years. Every 10% increase in 1‐year adherence, intensity, or adherence‐adjusted intensity was associated with a lower risk of MACE (hazard ratio [HR], 0.94 [95% CI, 0.93–0.96]; HR, 0.92 [95% CI, 0.88–0.96]; and HR, 0.91 [95% CI, 0.89–0.94], respectively) and higher odds of attaining low‐density lipoprotein cholesterol goals (odds ratio [OR],1.12 [95% CI, 1.10–1.15]; OR, 1.42 [95% CI, 1.34–1.51], and OR, 1.16 [95% CI, 1.19–1.24], respectively). Among patients with good adherence (≥80%), the risk of MACE was similar with low‐moderate and high‐intensity LLT despite differences in the low‐density lipoprotein cholesterol goal attainment with the treatment intensities. Discontinuation ≥1 year increased the risk markedly (HR,1.66 [95% CI, 1.23–2.22]). Conclusions In routine care, good adherence to LLT was associated with the greatest benefit for patients with coronary heart disease. Strategies that improve adherence and use of intensive therapies could substantially reduce cardiovascular risk.
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spelling doaj.art-1b11acd1e4274e8989da41e624f0922f2023-02-02T06:20:21ZengWileyJournal of the American Heart Association: Cardiovascular and Cerebrovascular Disease2047-99802022-07-01111410.1161/JAHA.122.025813Intensity of and Adherence to Lipid‐Lowering Therapy as Predictors of Major Adverse Cardiovascular Outcomes in Patients With Coronary Heart DiseaseFaizan Mazhar0Paul Hjemdahl1Catherine M. Clase2Kristina Johnell3Tomas Jernberg4Arvid Sjölander5Juan Jesus Carrero6Department of Medical Epidemiology and Biostatistics Karolinska Institutet Stockholm SwedenDepartment of Medicine Solna, Clinical Epidemiology Unit, Karolinska Institutet and Clinical Pharmacology Karolinska University Hospital Stockholm SwedenDepartment of Medicine and Health Research Methods, Evidence and Impact McMaster University OntarioDepartment of Medical Epidemiology and Biostatistics Karolinska Institutet Stockholm SwedenDepartment of Clinical Sciences Danderyd University Hospital, Karolinska Institutet Stockholm SwedenDepartment of Medical Epidemiology and Biostatistics Karolinska Institutet Stockholm SwedenDepartment of Medical Epidemiology and Biostatistics Karolinska Institutet Stockholm SwedenBackground The effectiveness of lipid‐lowering therapy (LLT) is affected by both intensity and adherence. This study evaluated the associations of LLT intensity, adherence, and the combination of these 2 aspects of LLT management with the risk of major adverse cardiovascular events (MACE) in people with coronary heart disease. Methods and Results This is an observational study of all adults who suffered a myocardial infarction or had coronary revascularization during 2012 to 2018 and initiated LLT in Stockholm, Sweden. Study exposures were LLT adherence (proportion of days covered), LLT intensity (expected reduction of low‐density lipoprotein cholesterol), and the combined measure of adherence and intensity. At each LLT fill, adherence and intensity during the previous 12 months were calculated. The primary outcomes were MACE (nonfatal myocardial infarction or stroke and death); secondary outcomes were low‐density lipoprotein cholesterol goal attainment and individual components of MACE. We studied 20 490 patients aged 68±11 years, 75% men, mean follow‐up 2.6±1.1 years. Every 10% increase in 1‐year adherence, intensity, or adherence‐adjusted intensity was associated with a lower risk of MACE (hazard ratio [HR], 0.94 [95% CI, 0.93–0.96]; HR, 0.92 [95% CI, 0.88–0.96]; and HR, 0.91 [95% CI, 0.89–0.94], respectively) and higher odds of attaining low‐density lipoprotein cholesterol goals (odds ratio [OR],1.12 [95% CI, 1.10–1.15]; OR, 1.42 [95% CI, 1.34–1.51], and OR, 1.16 [95% CI, 1.19–1.24], respectively). Among patients with good adherence (≥80%), the risk of MACE was similar with low‐moderate and high‐intensity LLT despite differences in the low‐density lipoprotein cholesterol goal attainment with the treatment intensities. Discontinuation ≥1 year increased the risk markedly (HR,1.66 [95% CI, 1.23–2.22]). Conclusions In routine care, good adherence to LLT was associated with the greatest benefit for patients with coronary heart disease. Strategies that improve adherence and use of intensive therapies could substantially reduce cardiovascular risk.https://www.ahajournals.org/doi/10.1161/JAHA.122.025813adherenceintensitylipid‐lowering treatmentMACE
spellingShingle Faizan Mazhar
Paul Hjemdahl
Catherine M. Clase
Kristina Johnell
Tomas Jernberg
Arvid Sjölander
Juan Jesus Carrero
Intensity of and Adherence to Lipid‐Lowering Therapy as Predictors of Major Adverse Cardiovascular Outcomes in Patients With Coronary Heart Disease
Journal of the American Heart Association: Cardiovascular and Cerebrovascular Disease
adherence
intensity
lipid‐lowering treatment
MACE
title Intensity of and Adherence to Lipid‐Lowering Therapy as Predictors of Major Adverse Cardiovascular Outcomes in Patients With Coronary Heart Disease
title_full Intensity of and Adherence to Lipid‐Lowering Therapy as Predictors of Major Adverse Cardiovascular Outcomes in Patients With Coronary Heart Disease
title_fullStr Intensity of and Adherence to Lipid‐Lowering Therapy as Predictors of Major Adverse Cardiovascular Outcomes in Patients With Coronary Heart Disease
title_full_unstemmed Intensity of and Adherence to Lipid‐Lowering Therapy as Predictors of Major Adverse Cardiovascular Outcomes in Patients With Coronary Heart Disease
title_short Intensity of and Adherence to Lipid‐Lowering Therapy as Predictors of Major Adverse Cardiovascular Outcomes in Patients With Coronary Heart Disease
title_sort intensity of and adherence to lipid lowering therapy as predictors of major adverse cardiovascular outcomes in patients with coronary heart disease
topic adherence
intensity
lipid‐lowering treatment
MACE
url https://www.ahajournals.org/doi/10.1161/JAHA.122.025813
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