| Clinical effects of calcium channel blockers and renin-angiotensin-aldosterone system inhibitors on changes in the estimated glomerular filtration rate in patients with polycystic kidney disease. | |
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MedLine Citation:
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PMID: 20700620 Owner: NLM Status: In-Process |
Abstract/OtherAbstract:
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BACKGROUND: In the tubular cells of patients with polycystic kidney disease (PKD), a reduced intracellular Ca(2+) level accelerates cell proliferation, resulting in cyst formation. Thus, whether calcium channel blockers (CCB) are useful for the treatment of hypertension in patients with PKD is questionable. METHODS: Thirty-two outpatients with autosomal dominant PKD (ADPKD) were treated at Tokyo Women's Medical University between 2003 and 2008; these patients were studied retrospectively. Periods during which the antihypertensive drug prescriptions for CCB and/or renin-angiotensin-aldosterone system inhibitors (RAAS-I; including angiotensin converting enzyme inhibitor and angiotensin II receptor blocker) had not been changed for at least 1 year and during which time a diuretic agent had not been prescribed were selected from among the clinical histories of the 32 outpatients. Consequently, 31 periods of 31 patients were analyzed, and mean treatment duration was 2.4 years in this study. The estimated glomerular filtration rate (eGFR) was used to evaluate renal function. To evaluate the influence of CCB and RAAS-I with respect to the decrease of the eGFR, analysis of covariance (ANCOVA), including confounding factors [baseline eGFR, mean systolic blood pressure (SBP), mean diastolic blood pressure (DBP)], was used. Only CCB significantly contributed to a reduction in ∆eGFR in both a univariable ANCOVA and a multivariable ANCOVA. None of the confounding factors, RAAS-I, the baseline eGFR, or blood pressure, contributed to reductions in ∆eGFR. CONCLUSION: These results suggest that from a renoprotective perspective, CCB should possibly be avoided in patients with PKD unless treatment for resistant hypertension is necessary. |
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Authors:
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Michihiro Mitobe; Takumi Yoshida; Hidekazu Sugiura; Shunji Shiohira; Katsunori Shimada; Kosaku Nitta; Ken Tsuchiya |
Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't Date: 2010-08-11 |
Journal Detail:
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Title: Clinical and experimental nephrology Volume: 14 ISSN: 1437-7799 ISO Abbreviation: Clin. Exp. Nephrol. Publication Date: 2010 Dec |
Date Detail:
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Created Date: 2010-11-29 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9709923 Medline TA: Clin Exp Nephrol Country: Japan |
Other Details:
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Languages: eng Pagination: 573-7 Citation Subset: IM |
Affiliation:
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Department of Medicine IV, Tokyo Women's Medical University, 8-1 Kawada-cho, Shinjuku-ku, Tokyo 162-8666, Japan. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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