Background. Cardiac resynchronization therapy (CRT) is approved for the treatment of patients with advanced systolic heart failure and evidence of dyssynchrony on electrocardiograms. However, a significant percentage of patients do not demonstrate improvement with CRT. Echocardiographic techniques h
Evaluation of mechanical dyssynchrony and myocardial perfusion using phase analysis of gated SPECT imaging in patients with left ventricular dysfunction
โ Scribed by Mark A. Trimble; Salvador Borges-Neto; Emily F. Honeycutt; Linda K. Shaw; Robert Pagnanelli; Ji Chen; Ami E. Iskandrian; Ernest V. Garcia; Eric J. Velazquez
- Publisher
- Springer
- Year
- 2008
- Tongue
- English
- Weight
- 867 KB
- Volume
- 15
- Category
- Article
- ISSN
- 1071-3581
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๐ SIMILAR VOLUMES
Cardiac resynchronization therapy (CRT) has shown benefits in patients with severe heart failure. However, at least 30% of patients selected for CRT by use of traditional criteria (New York Heart Association class III or IV, depressed left ventricular [LV] ejection fraction, and prolonged QRS durati
## Background: A count-based method using technetium-99m sestamibi electrocardiography-gated myocardial perfusion single photon emission computed tomography imaging has been developed to extract the left ventricular (lv) regional phase of contraction (onset of mechanical contraction [omc]) througho
## Abstract ## Purpose To compare longitudinal myocardial velocity and time to peak longitudinal velocity obtained with magnetic resonance phase velocity mapping (MRโPVM) and tissue Doppler imaging (TDI), and to assess the reproducibility of each method. ## Materials and Methods Longitudinal myo