| Effect of a treatment strategy consisting of pravastatin, vitamin E, and homocysteine lowering on arterial compliance and distensibility in patients with mild-to-moderate chronic kidney disease. | |
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MedLine Citation:
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PMID: 22981031 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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Background: Arterial stiffness is increased in chronic kidney disease (CKD). Intervention studies aimed at reduction of arterial stiffness in dialysis patients have been disappointing. We therefore investigated the effect of pravastatin, vitamin E, and homocysteine lowering on arterial compliance and distensibility coefficients in mild-to-moderate CKD. Methods: This is a sub-study of the ATIC study, a randomized, double-blind trial in 93 CKD patients. The treatment group received pravastatin to which vitamin E supplementation was added after 6 months and homocysteine lowering therapy after another 6 months. Measurement of the distensibility coefficient (DC) and the compliance coefficient (CC) of the common carotid (CCA), femoral (FA) and brachial artery (BA) was performed at 0, 6, 12, 18 months. Young's elastic modulus (YEM) was measured in the common carotid artery. Results: After 18 months, CCA-DC increased from mean (SD) 15.15 (6.67) to 16.52 (6.37) × 10-3kPa-1 in the treatment and decreased from 18.44 (8.19) to 16.26 (7.35) in the placebo group (p = 0.057). CCA-CC increased from 0.64 (0.24) to 0.71 (0.26) mm2kPa-1 in the treatment and decreased from 0.77 (0.28) to 0.69 (0.25) in the placebo group (p < 0.0001). FA-DC had increased from 6.64 (3.45) to 11.46 (6.83) in the treatment group, and from 6.46 (2.85) to 7.08 (2.73) in the placebo group (p = 0.0001). FA-CC had increased from 0.46 (0.24) to 0.74 (0.44) in the treatment group, and from 0.48 (0.27) to 0.53 (0.21) in the placebo group (p = 0.008). BA-DC and CC, and CCA YEM were not significantly different between the groups. Conclusion: In patients with mild-to-moderate CKD, 18 months of treatment consisting of pravastatin, vitamin E and homocysteine lowering resulted in significant improvement of compliance and distensibility in CCA and FA. Since pravastatin was used throughout the observation period, it remains unclear whether the beneficial effects are attributable solely to the ongoing effect of pravastatin treatment, or if the additional interventions further slowed the progression of vascular stiffness. Therefore, larger studies with a longer period of follow-up observing the separate effects are needed. |
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Authors:
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Susanna J E Veringa; Prabath W B Nanayakkara; Frans J van Ittersum; Irene L Vegting; Coen van Guldener; Yvo M Smulders; Piet M Ter Wee; Coen D A Stehouwer |
Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Clinical nephrology Volume: 78 ISSN: 0301-0430 ISO Abbreviation: Clin. Nephrol. Publication Date: 2012 Oct |
Date Detail:
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Created Date: 2012-09-17 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0364441 Medline TA: Clin Nephrol Country: Germany |
Other Details:
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Languages: eng Pagination: 263-72 Citation Subset: IM |
Affiliation:
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Department of Internal Medicine, The Institute for Research in Extramural Medicine, Department of Nephrology, VU University Medical Center, Amsterdam, Department of Internal Medicine, Amphia Hospital, Breda, and Department of Internal Medicine and Cardiovascular Research Institute Maastricht (CARIM), Maastricht University Medical Center, Maastricht, The Netherlands. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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