Key result
Depressed LA reservoir function on CMR is linked to prior stroke or TIA in AF.
Why the study?
Is depressed left atrial reservoir function assessed by tissue-tracking CMR associated with a prior history of stroke or transient ischemic attack in patients with atrial fibrillation?
Population
169 patients with a history of atrial fibrillation in sinus rhythm at the time of pre-ablation cardiac…
Comparison
Assessment of left atrial reservoir function… vs Patients without a history of stroke or…
Design
Cross-sectional
Authors
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Should not yet change AF stroke risk stratification; leaves open whether CMR LA reservoir function adds predictive value.
Observational (n=169)
Is depressed left atrial reservoir function assessed by tissue-tracking CMR associated with a prior history of stroke or transient ischemic attack in patients with atrial fibrillation?
Effect estimate: OR 0.94, 0.91, and 0.17
p-value: p=0.03, 0.02, and 0.04
Depressed left atrial reservoir function assessed by tissue-tracking CMR is independently associated with a prior history of stroke or TIA in patients with atrial fibrillation, suggesting its potential utility in risk stratification.
Inoue et al. (2015) conducted an observational in Atrial fibrillation (n=169). Tissue-tracking cardiac magnetic resonance (CMR) vs. Patients without stroke/transient ischemic attack was evaluated on Prior history of stroke or transient ischemic attack (OR 0.94, 0.91, and 0.17, p=0.03, 0.02, and 0.04). Depressed left atrial reservoir function assessed by tissue-tracking CMR was significantly associated with a prior history of stroke or TIA in patients with AF (ORs 0.94, 0.91, and 0.17; P<0.05).
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