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Transcardiac increase in tumor necrosis factor-alpha and left ventricular end-diastolic volume in patients with dilated cardiomyopathy.

Authors: Tsutamoto, T  Wada, A  Ohnishi, M  Tsutsui, T  Ishii, C  Ohno, K  Fujii, M  Matsumoto, T  Yamamoto, T  Takayama, T  Dohke, T  Horie, M 
Citation: Tsutamoto T, etal., Eur J Heart Fail. 2004 Mar 1;6(2):173-80.
Pubmed: (View Article at PubMed) PMID:14984724
DOI: Full-text: DOI:10.1016/j.ejheart.2003.10.004

BACKGROUND: It remains unclear whether tumor necrosis factor (TNF)-alpha and interleukin-6 (IL-6) are secreted from the failing heart and whether there is a relationship between the transcardiac gradients of these cytokines and left ventricular (LV) remodeling. AIMS: This study evaluated the relationship between transcardiac gradients of cytokines and LV volume and function in congestive heart failure patients with dilated cardiomyopathy (DCM). METHODS AND RESULTS: We measured the plasma levels of TNF-alpha and IL-6 in the aortic root (Ao) and the coronary sinus (CS) in 60 patients with DCM. There was no difference in plasma IL-6 between the Ao and the CS. However, the plasma TNF-alpha level was significantly higher in the CS than that in the Ao. There was a significant correlation between the transcardiac gradient of plasma TNF-alpha and the LV end-diastolic volume index (LVEDVI) and LV ejection fraction. According to stepwise multivariate analyses, the transcardiac increase of TNF-alpha showed an independent and significantly positive relationship with a large LVEDVI. CONCLUSIONS: These results indicate that the elevated plasma TNF-alpha is partly derived from the failing heart in patients with DCM and that TNF-alpha plays a potential role in structural LV remodeling in patients with DCM.

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CRRD Object Information
CRRD ID: 7401238
Created: 2013-11-12
Species: All species
Last Modified: 2013-11-12
Status: ACTIVE



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RGD is funded by grant HL64541 from the National Heart, Lung, and Blood Institute on behalf of the NIH.