Quantitative regional analysis of left atrial function by Doppler tissue imaging-derived parameters discriminates patients with posterior and anterior myocardial infarction
| Autor: | Damien Coisne, Angélique Racaud, Daniel Herpin, Erwan Donal, Pascale Raud-Raynier |
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| Rok vydání: | 2005 |
| Předmět: |
Tissue tracking
medicine.medical_specialty Myocardial Infarction Anterior myocardial infarction Left atrial Region of interest Internal medicine medicine Humans Radiology Nuclear Medicine and imaging Myocardial infarction Prospective Studies Aged Aged 80 and over Doppler tissue imaging Analysis of Variance Ventricular function business.industry Middle Aged medicine.disease Echocardiography Doppler Cardiology Early diastolic Atrial Function Left Cardiology and Cardiovascular Medicine business |
| Zdroj: | Journal of the American Society of Echocardiography : official publication of the American Society of Echocardiography. 18(1) |
| ISSN: | 0894-7317 |
| Popis: | Background Doppler tissue imaging can now be used for the assessment of left atrial (LA) function. LA function was evaluated by this technique in a group of patients hospitalized for acute myocardial infarction and in a control population. Methods Patients were all prospectively imaged with a scanner. To study the LA, a region of interest was located in the proximal part of the lateral and septal LA walls. Doppler tissue imaging, tissue tracking, strain, and delays were recorded. Results In all, 12 patients with posterior (age 54 ± 9 years) and 13 with anterior (age 64 ± 16 years) acute myocardial infarction, along with 16 control patients (age 54 ± 9 years), were analyzed. Early diastolic septal velocity was found to be the best parameter for discriminating among the 3 groups. Peak strain was also relevant and did not correlate with left ventricular function. Conclusions LA is accessible to Doppler tissue imaging analysis. Strain can quantify LA function relatively independently of left ventricular function, and may provide new insights on LA function. |
| Databáze: | OpenAIRE |
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