| B-type natriuretic peptide and interdialytic fluid retention are independent and incremental predictors of mortality in hemodialysis patients. | |
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MedLine Citation:
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PMID: 22000557 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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Aim: Management of fluid homeostasis remains a major challenge in hemodialysis patients. We aimed to establish whether the cardiac strain marker B-type natriuretic peptide (BNP) could help to identify hypervolemic patients at increased risk of death. Methods: BNP levels were determined before dialysis in the entire HD population at our institution (n = 57). IDWG and BNP were stratified above or below 1.5 kg or the median value, respectively. All patients were prospectively followed for 35 months. The influence of IDWG and BNP on mortality was assessed with a Cox proportional hazards model, adjusted for each other, as well as for demographics, comorbidities, cardiac function, residual diuresis, dialysis duration and efficiency and complications of renal failure. Results: Median BNP was 303 (135 - 692) and 21 (36%) patients displayed an average IDWG below 1.5 kg. During follow up a total of 25 (44%) patients died, 5 (26%) in the low IDWG group and 20 (53%) in the high IDWG group (adjusted hazard ratio (adjusted HR) 5.31 95% CI (1.47 - 19.1), p = 0.011). In the low BNP group 7 (25%) patients died and in the high BNP Group 18 (62%) patients died (adjusted HR 3.53 95 CI (1.37 - 9.09), p = 0.009). When both factors were considered simultaneously, patients with low BNP and low IDWG had an 11 times lower risk of death compared to patients with high BNP and high IDWG (HR. 0.08 95% CI (0.01 - 0.6129, p = 0.015). Conclusions: BNP and IDWG are independent and incremental predictors of mortality in HD patients. These findings suggest that BNP guided fluid management could improve survival in these patients. |
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Authors:
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B D Westenbrink; T K Kremer Hovinga; W D Kloppenburg; N J Veeger; W M T Janssen |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Clinical nephrology Volume: 76 ISSN: 0301-0430 ISO Abbreviation: Clin. Nephrol. Publication Date: 2011 Nov |
Date Detail:
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Created Date: 2011-10-17 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: 373-9 Citation Subset: IM |
Affiliation:
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Department of Internal Medicine, Martini Hospital Groningen, Groningen, The Netherlands, and Department of Internal Medicine, The Trial Coordination Center Groningen, University Medical Center Groningen, Groningen, The Netherlands. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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