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Assessment of Vascular Function in Patients With Chronic Kidney Disease
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Assessment of Vascular Function in Patients With Chronic Kidney Disease

Published on: June 16, 2014

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Statin improves flow-mediated vasodilation in chronic kidney diseases

Tsuneo Takenaka1, Hiroshi Takane2, Tomohiro Kikuta2

  • 1International University of Health and Welfare, Clinical Research Center, Sanno Hospital, 8-10-16 Akasaka, Minato, Tokyo 107-0052, Japan ; Saitama Medical University, Department of Nephrology, 36 Morohongo, Moroyama, Iruma, Saitama 350-0495, Japan.

International Journal of Hypertension
|January 8, 2014
PubMed

Insights

Combining amlodipine and atorvastatin in a single pill improved medication adherence and lipid profiles in chronic kidney disease (CKD) patients. This combination also enhanced flow-mediated dilation (FMD) and reduced proteinuria, suggesting improved endothelial function.

Area of Science:

  • Nephrology
  • Cardiovascular Medicine
  • Pharmacology

Background:

  • Managing chronic kidney disease (CKD) often requires multiple medications.
  • Poor drug adherence is a significant challenge in CKD patient populations.
  • Hypertension and dyslipidemia are common comorbidities in CKD.

Purpose of the Study:

  • To evaluate the impact of a fixed-dose combination drug (amlodipine and atorvastatin) on adherence and clinical outcomes in CKD patients.
  • To assess the effects of the combination drug on lipid profiles, flow-mediated dilation (FMD), and proteinuria.
  • To investigate the relationship between proteinuria and FMD in CKD patients.

Main Methods:

  • A 6-month observational study involving 36 CKD patients with hypertension and dyslipidemia.
  • Patients were switched from separate amlodipine (5 mg) and atorvastatin (10 mg) pills to a combination drug with equivalent doses.
  • Measurements included lipid profiles, FMD, proteinuria, and high-sensitivity C-reactive protein (hs-CRP).

Main Results:

  • The combination drug significantly improved lipid profiles, decreasing total cholesterol and triglycerides while increasing HDL cholesterol.
  • Flow-mediated dilation (FMD) showed a significant improvement from 2.4% to 2.7%.
  • Subanalysis revealed that the combination drug reduced proteinuria and hs-CRP in patients with significant cholesterol reduction.

Conclusions:

  • Proteinuria is a key factor contributing to reduced FMD in CKD patients.
  • The fixed-dose combination drug improves medication adherence and positively impacts lipid profiles and endothelial function (FMD).
  • Atorvastatin in the combination drug appears to refine endothelial function and lipid profiles in CKD patients.

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