Document Detail

Cardiac troponin I for the prediction of functional recovery and left ventricular remodelling following primary percutaneous coronary intervention for ST-elevation myocardial infarction.
MedLine Citation:
PMID:  21062778     Owner:  NLM     Status:  In-Process    
OBJECTIVE: To investigate the ability of cardiac troponin I (cTnI) to predict functional recovery and left ventricular remodelling following primary percutaneous coronary intervention (pPCI) in ST-elevation myocardial infarction (STEMI).
DESIGN: Post hoc study extending from randomised controlled trial.
PATIENTS: 132 patients with STEMI receiving pPCI.
MAIN OUTCOME MEASURES: Left ventricular ejection fraction (LVEF), end-diastolic and end-systolic volume index (EDVI and ESVI) and changes in these parameters from day 5 to 4 months after the index event.
METHODS: Cardiac magnetic resonance examination performed at 5 days and 4 months for evaluation of LVEF, EDVI and ESVI. cTnI was sampled at 24 and 48 h.
RESULTS: In linear regression models adjusted for early (5 days) assessment of LVEF, ESVI and EDVI, single-point cTnI at either 24 or 48 h were independent and strong predictors of changes in LVEF (p<0.01), EDVI (p<0.01) and ESVI (p<0.01) during the follow-up period. In a logistic regression analysis for prediction of an LVEF below 40% at 4 months, single-point cTnI significantly improved the prognostic strength of the model (area under the curve = 0.94, p<0.01) in comparison with the combination of clinical variables and LVEF at 5 days.
CONCLUSION: Single-point sampling of cTnI after pPCI for STEMI provides important prognostic information on the time-dependent evolution of left ventricular function and volumes.
Jonas Hallén; Jesper K Jensen; Morten W Fagerland; Allan S Jaffe; Dan Atar
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Heart (British Cardiac Society)     Volume:  96     ISSN:  1468-201X     ISO Abbreviation:  Heart     Publication Date:  2010 Dec 
Date Detail:
Created Date:  2010-11-10     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9602087     Medline TA:  Heart     Country:  England    
Other Details:
Languages:  eng     Pagination:  1892-7     Citation Subset:  AIM; IM    
Department of Cardiology, Oslo University Hospital, Aker, Trondheimsveien 235, Oslo, Norway.
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