Key result
Cardiac CT angiography for post-left atrial appendage closure surveillance identified residual leak in 63.6% of patients, proving to be a feasible alternative to transoesophageal echocardiography.
Why the study?
Does cardiac CT angiography effectively assess device status and complications in patients after left atrial appendage closure?
Observational (n=45)
Does cardiac CT angiography effectively assess device status and complications in patients after left atrial appendage closure?
Cardiac CT angiography is a feasible non-invasive imaging modality for post-LAA closure surveillance to detect residual leaks, thrombus, and assess device position.
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CCTA supports feasibility for post-LAA closure surveillance; leaves open whether routine use improves outcomes in larger prospective cohorts.
Saw et al. (2015) conducted an observational in Non-valvular atrial fibrillation post-left atrial appendage closure (n=45). Cardiac CT angiography (CCTA) was evaluated on Device thrombus, residual LAA leak, device embolization, position, pericardial effusion, optimal implantation, and device lobe dimensions. Cardiac CT angiography for post-left atrial appendage closure surveillance identified residual leak in 63.6% of patients, proving to be a feasible alternative to transoesophageal echocardiography.
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