PMID- 22696494 OWN - NLM STAT- MEDLINE DCOM- 20130801 LR - 20160511 IS - 2047-2412 (Electronic) IS - 2047-2404 (Linking) VI - 14 IP - 2 DP - 2013 Feb TI - Left atrial volume and function in patients following ST elevation myocardial infarction and the association with clinical outcome: a cardiovascular magnetic resonance study. PG - 118-27 LID - 10.1093/ehjci/jes118 [doi] AB - AIMS: The left atrium (LA) transfers blood to the left ventricle in a complex manner. LA function is characterized by passive emptying (LA passive fraction), active emptying (LA ejection fraction), and total emptying (LA fractional change). Despite this complexity, the clinical relevance of the LA is based almost exclusively on LA maximal volume (LAmax), which may not glean the full prognostic potential. Cardiovascular magnetic resonance (CMR) is considered the most accurate method for studying LA function and size. The aim of the present study was to evaluate the prognostic importance of LA function in patients following ST elevation myocardial infarction (STEMI). METHODS AND RESULTS: In 199 patients, a CMR scan was performed within 1-3 days after STEMI to measure LAmax and minimal volume (LAmin) and LA function. The incidence of death, re-infarction, stroke, and admission for heart failure [major adverse cardiac event (MACE)] were registered during the follow-up period [2.3 years (inter-quartile range: 2.0-2.5)]. A total of 40 patients (20%) met the clinical endpoint of MACE during follow-up. In a Cox regression analysis adjusting for known risk factors, LA fractional change remained independently associated with MACE [adjusted hazard ratio: 0.66 (95% confidence interval: 0.46-0.95)]. LAmax, LAmin, or LA passive fraction was not independently associated with MACE. Furthermore, LA fractional change provided incremental prognostic value to LAmax and other known predictors (Wald chi(2) 31.0 vs. 39.9, P= 0.016). CONCLUSION: In STEMI patients, impaired LA fractional change is independently associated with outcome and provide incremental prognostic information to established predictors including LAmax. FAU - Lonborg, Jacob Thomsen AU - Lonborg JT AD - Department of Cardiology, University of Copenhagen, Blegdamsvej 9, 2100 Copenhagen, Rigshospitalet, Denmark. Jacoblonborg@gmail.com FAU - Engstrom, Thomas AU - Engstrom T FAU - Moller, Jacob Eifer AU - Moller JE FAU - Ahtarovski, Kiril A AU - Ahtarovski KA FAU - Kelbaek, Henning AU - Kelbaek H FAU - Holmvang, Lene AU - Holmvang L FAU - Jorgensen, Erik AU - Jorgensen E FAU - Helqvist, Steffen AU - Helqvist S FAU - Saunamaki, Kari AU - Saunamaki K FAU - Soholm, Helle AU - Soholm H FAU - Andersen, Mads AU - Andersen M FAU - Mathiasen, Anders B AU - Mathiasen AB FAU - Kuhl, Jorgen Tobias AU - Kuhl JT FAU - Clemmensen, Peter AU - Clemmensen P FAU - Kober, Lars AU - Kober L FAU - Vejlstrup, Niels AU - Vejlstrup N LA - eng PT - Comparative Study PT - Journal Article PT - Randomized Controlled Trial PT - Research Support, Non-U.S. Gov't DEP - 20120612 PL - England TA - Eur Heart J Cardiovasc Imaging JT - European heart journal. Cardiovascular Imaging JID - 101573788 SB - IM MH - Aged MH - Analysis of Variance MH - Atrial Function, Left/*physiology MH - *Electrocardiography MH - Female MH - Heart Function Tests MH - Humans MH - Linear Models MH - Magnetic Resonance Imaging, Cine/*methods MH - Male MH - Middle Aged MH - Myocardial Infarction/*diagnosis/mortality MH - Organ Size MH - Predictive Value of Tests MH - Prognosis MH - Proportional Hazards Models MH - Prospective Studies MH - Risk Assessment MH - Severity of Illness Index MH - Stroke Volume/physiology MH - Survival Rate EDAT- 2012/06/15 06:00 MHDA- 2013/08/02 06:00 CRDT- 2012/06/15 06:00 PHST- 2012/06/15 06:00 [entrez] PHST- 2012/06/15 06:00 [pubmed] PHST- 2013/08/02 06:00 [medline] AID - jes118 [pii] AID - 10.1093/ehjci/jes118 [doi] PST - ppublish SO - Eur Heart J Cardiovasc Imaging. 2013 Feb;14(2):118-27. doi: 10.1093/ehjci/jes118. Epub 2012 Jun 12.