Document Detail

Congestive heart failure and cardiovascular death in patients with prediabetes and type 2 diabetes given thiazolidinediones: a meta-analysis of randomised clinical trials.
MedLine Citation:
PMID:  17905165     Owner:  NLM     Status:  MEDLINE    
BACKGROUND: The overall clinical benefit of thiazolidinediones (TZDs) as a treatment for hyperglycaemia can be difficult to assess because of the risk of congestive heart failure due to TZD-related fluid retention. Since prediabetic and diabetic patients are at high cardiovascular risk, the outcome and natural history of such risks need to be better understood. We aimed to examine the risk of congestive heart failure and of cardiac death in patients given TZDs. METHODS: We used a search strategy to identify 3048 studies. 3041 were excluded, and we did a systematic review and meta-analysis of the seven remaining randomised double-blind clinical trials of drug-related congestive heart failure in patients given TZDs (either rosiglitazone or pioglitazone). We calculated pooled random-effects estimates of the risk ratios for development of congestive heart failure in patients given TZDs compared with controls. The main outcome measures were development of congestive heart failure and the risk of cardiovascular death. FINDINGS: 360 of 20 191 patients who had either prediabetes or type 2 diabetes had congestive heart failure events (214 with TZDs and 146 with comparators). Results showed no heterogeneity of effects across studies (I2=22.8%; p for interaction=0.26), which indicated a class effect for TZDs. Compared with controls, patients given TZDs had increased risk for development of congestive heart failure across a wide background of cardiac risk (relative risk [RR] 1.72, 95% CI 1.21-2.42, p=0.002). By contrast, the risk of cardiovascular death was not increased with either of the two TZDs (0.93, 0.67-1.29, p=0.68). INTERPRETATION: Congestive heart failure in patients given TZDs might not carry the risk that is usually associated with congestive heart failure which is caused by progressive systolic or diastolic dysfunction of the left ventricle. Longer follow-up and better characterisation of such patients is needed to determine the effect of TZDs on overall cardiovascular outcome.
Rodrigo M Lago; Premranjan P Singh; Richard W Nesto
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Publication Detail:
Type:  Journal Article; Meta-Analysis; Review    
Journal Detail:
Title:  Lancet     Volume:  370     ISSN:  1474-547X     ISO Abbreviation:  Lancet     Publication Date:  2007 Sep 
Date Detail:
Created Date:  2007-10-01     Completed Date:  2007-10-09     Revised Date:  2008-04-07    
Medline Journal Info:
Nlm Unique ID:  2985213R     Medline TA:  Lancet     Country:  England    
Other Details:
Languages:  eng     Pagination:  1129-36     Citation Subset:  AIM; IM    
Lahey Clinic Medical Center, Burlington, MA, USA.
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MeSH Terms
Cardiovascular Diseases / mortality*
Diabetes Complications / prevention & control*
Diabetes Mellitus, Type 2 / drug therapy*
Heart Failure* / chemically induced,  etiology
Hypoglycemic Agents* / adverse effects,  therapeutic use
Middle Aged
Randomized Controlled Trials as Topic
Risk Factors
Thiazolidinediones* / adverse effects,  therapeutic use
Reg. No./Substance:
0/Hypoglycemic Agents; 0/Thiazolidinediones; 111025-46-8/pioglitazone; 122320-73-4/rosiglitazone
Comment In:
Lancet. 2007 Sep 29;370(9593):1101   [PMID:  17905143 ]
ACP J Club. 2008 Mar-Apr;148(2):39   [PMID:  18311869 ]
Lancet. 2007 Sep 29;370(9593):1103-4   [PMID:  17905146 ]

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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