Eligibility for Statin Treatment in Korean Subjects with Reduced Renal Function: An Observational Study

Byung Sub Moon1, Jongho Kim1, Ji Hyun Kim1

  • 1Division of Endocrinology and Metabolism, Department of Internal Medicine, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Korea.

Insights

Statin eligibility increases with declining kidney function in Korean adults. The ACC/AHA guidelines better align with KDIGO recommendations for statin use in chronic kidney disease (CKD) patients compared to ATP III.

Area of Science:

  • Cardiology
  • Nephrology
  • Public Health

Background:

  • Cardiovascular disease (CVD) risk assessment is crucial for statin therapy.
  • Renal dysfunction is a significant comorbidity affecting CVD risk and treatment eligibility.
  • Understanding statin eligibility across different stages of kidney disease is vital for primary prevention.

Purpose of the Study:

  • To examine the association between renal dysfunction and statin eligibility in Korean adults.
  • To compare the performance of Adult Treatment Panel (ATP) III and American College of Cardiology (ACC)/American Heart Association (AHA) guidelines in identifying statin-eligible individuals with varying degrees of kidney function.

Main Methods:

  • Utilized data from 18,746 participants in the Kangbuk Samsung Health Study (2011-2012).
  • Categorized participants into three groups based on estimated glomerular filtration rate (eGFR): ≥90, 60-89, and <60 mL/min/1.73 m².
  • Assessed statin eligibility using ATP III and ACC/AHA guidelines, calculating 10-year atherosclerotic cardiovascular disease (ASCVD) risk with Framingham Risk Score (FRS) and Pooled Cohort Equation (PCE).

Main Results:

  • 18.9% and 21.5% of subjects were statin-eligible per ATP III and ACC/AHA guidelines, respectively.
  • Statin eligibility increased significantly as renal function declined across both guideline sets.
  • ACC/AHA guidelines demonstrated superior agreement (κ=0.689) with Kidney Disease Improving Global Outcomes (KDIGO) recommendations for chronic kidney disease (CKD) stages 3-5 compared to ATP III (κ=0.531).
  • ASCVD risk scores (FRS and PCE) significantly increased with worsening renal function.

Conclusions:

  • Worsening renal function is associated with a higher proportion of statin-eligible individuals in the Korean population.
  • The ACC/AHA guidelines offer better concordance with KDIGO recommendations for statin eligibility in CKD patients than the ATP III guidelines.
Abstract

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