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Title
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Thyroid function test derangements and mortality in dialysis patients : a systematic review and meta-analysis
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Author
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Abstract
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| Background: We evaluated current evidence associating thyroid function test result derangements with risk for mortality in patients with chronic kidney failure treated by long-term dialysis. Study Design: Systematic review and meta-analysis of cohort studies. Setting & Population: Dialysis patients. Selection Criteria for Studies: We searched PubMed, Web of Science, Science Citation Index, Cochrane Library, and Embase databases from inception through December 2015. Predictors: Hypothyroidism (thyrotropin level greater than reference range) and low triiodothyronine (T-3) and thyroxine (T-4) levels. Outcomes: All-cause and cardiovascular mortality. Results: 12 studies involving 14,766 participants (4,450 deaths) were identified. Of those, 6 studies provided data for cardiovascular mortality (2,772 participants with 327 cardiovascular deaths). Overall, confidence in the available evidence was moderate. Pooled adjusted HRs for all-cause mortality associated with hypothyroidism, low T-3 level, and low T-4 level were 1.24 (95% CI, 1.14-1.34), 1.67 (95% CI, 1.23-2.27), and 2.40 (95% CI, 1.47-3.93), respectively. Pooled adjusted HRs for cardiovascular mortality associated with low T-3 and T-4 levels were 1.84 (95% CI, 1.24-2.74) and 3.06 (95% CI, 1.29-7.24), respectively. Limitations: Fewer studies reporting on T-4 and thyrotropin outcomes. Conclusions: In patients treated with long-term dialysis, (cardiovascular) mortality is consistently higher in the presence of thyroid function test result derangements. (C) 2016 by the National Kidney Foundation, Inc. |
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Language
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English
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Source (journal)
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American journal of kidney diseases. - Orlando, Fla
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Publication
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Philadelphia
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W b saunders co-elsevier inc
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2016
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ISSN
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0272-6386
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DOI
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10.1053/J.AJKD.2016.06.023
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Volume/pages
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68
:6
(2016)
, p. 923-932
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ISI
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000390524800020
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Pubmed ID
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27596516
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Full text (Publisher's DOI)
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