Assessment of left atrial volume and mechanical function in ischemic heart disease: a multi slice computed tomography study.
作者： Jørgen Tobias Kühl , Klaus F Kofoed , Jacob E Møller , Sophia Hammer-Hansen , Thomas Kristensen
DOI: 10.1016/J.IJCARD.2009.05.029
关键词:
摘要: Abstract Left atrial (LA) maximal volume contains prognostic information in patients with heart failure and acute myocardial infarction. However, only few studies have investigated the detailed mechanical function of LA these patients. We assessed feasibility evaluating Multi Slice Computed Tomography (MSCT) ischemic disease. Furthermore, left ventricular (LV) was evaluated relation to signs clinical failure. Methods results MSCT performed 40 sinus rhythm enrolled 20 reduced LV ejection fraction (LVEF≤45%) preserved LVEF (>45%). volumes, reservoir, channel pump were measured. Interobserver variation for measures 1.5% (SD: 6.6%). In LVEF, volumes larger throughout cardiac cycle (LA-max 66.8 ml/m 2 vs 57.4 ml/m LA-min: 45.8 ml/m 31.6 ml/m , p Conclusion Reproducible assessment size using is feasible potentially useful clinically.
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