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Low-Density Lipoprotein Cholesterol Goal Attainment in Indian Patients With Coronary Artery Disease: A Nationwide
Raman Puri1, Manish Bansal2, Kunal Mahajan3
1Indraprastha Apollo Hospitals, New Delhi, India.
Insights
In India, achieving target low-density lipoprotein cholesterol (LDL-C) levels below 50 mg/dL for atherosclerotic cardiovascular disease (ASCVD) patients is challenging. Most patients on lipid-lowering therapy, even high-intensity statins, do not reach recommended LDL-C goals, indicating a need for improved treatment strategies.
Area of Science:
- Cardiology
- Public Health
- Pharmacology
Background:
- Premature atherosclerotic cardiovascular disease (ASCVD) is a significant health concern in India.
- Population-level low-density lipoprotein cholesterol (LDL-C) levels are comparatively lower in India.
- The Lipid Association of India recommends an LDL-C target <50 mg/dL for patients with established ASCVD.
Purpose of the Study:
- To gather current data on LDL-C goal attainment in Indian patients diagnosed with ASCVD.
- To assess the effectiveness of current lipid-lowering therapies in achieving target LDL-C levels in India.
Main Methods:
- A large-scale study involving 115 cardiologists across India.
- Recruitment of 10,417 patients with documented coronary artery disease on stable lipid-lowering therapy.
- Inclusion of 9,658 patients with complete data, considering only directly measured LDL-C values.
Main Results:
- The median treated LDL-C was 66.1 mg/dL, with only 27.0% of patients achieving the target of ≤50 mg/dL.
- High-intensity statin therapy was utilized by 73.0% of patients.
- Combination therapy was used in 12.0% of patients, and treatment intensification was observed in only 37.3% of those above the LDL-C target.
Conclusions:
- A significant gap exists in LDL-C control for secondary ASCVD prevention in India.
- Less than a quarter of patients achieved target LDL-C levels despite high-intensity statin use.
- Underutilization of combination therapy and clinician inertia in treatment intensification are critical issues requiring immediate attention to enhance patient outcomes.
Background:
Premature atherosclerotic cardiovascular disease (ASCVD) remains a significant challenge in India, despite comparatively lower population-level low-density lipoprotein cholesterol (LDL-C) levels. The Lipid Association of India advocates for aggressive lipid-lowering therapy to achieve an LDL-C target <50 mg/dL in patients with established ASCVD.
Objectives:
This study aimed to provide contemporary data on LDL-C goal attainment in Indian patients with ASCVD.
Methods:
In this largest Indian study to date, 122 cardiologists across India recruited 10,417 patients (9,658 included in analysis, mean age 60.7 ± 11.0 years, 7,427 [76.9%] men) with documented coronary artery disease who were on stable lipid-lowering therapy for at least 1 month before their most recent LDL-C measurement. Only directly measured LDL-C was considered.
Results:
The median treated LDL-C concentration was 66.1 mg/dL (IQR: 49.0-92.0) with only 27.0% (2,603 of 9,658, 95% CI: 26.1%-27.8%) having values ≤50 mg/dL. High-intensity statin therapy was used in 73.3% (7,047/9,615, 95% CI: 72.4%-74.2%) of subjects. Combination LDL-C lowering therapy was used in 11.9% (1,153/9,658, 95% CI: 11.3%-12.6%) of subjects [8.6% (830/9,658, 95% CI: 8.0%-9.2%) receiving two drugs, 3.3% (323/9,658, 95% CI: 3.0%-3.7%) receiving 3 drugs]. Among patients with LDL-C >50 mg/dL, the treating clinicians uptitrated the regimen in only 37.3% (2,552 of 6,833, 95% CI: 36.2%-38.5%) of subjects.
Conclusions:
This study highlights a major gap in LDL-C control for secondary prevention of ASCVD in India. Despite high-intensity statin use, only one-quarter achieved target levels. The low utilization of combination therapy and the limited treatment intensification observed in patients with LDL-C above target represent important opportunities for improving lipid management and cardiovascular outcomes.
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