Key result
Intracardiac echocardiography showed 96% concordance with transesophageal echocardiography for left atrial image quality but was less sensitive for detecting intracardiac thrombus (5.2% vs 6.9%).
Why the study?
Does intracardiac echocardiography provide comparable imaging to transesophageal echocardiography in patients with atrial fibrillation?
Population
95 patients with atrial fibrillation undergoing right heart catheterization, mean age 58 ± 12 years
Comparison
Intracardiac echocardiography for left atrium… vs Transesophageal echocardiography (TEE)
Design
Cross-sectional, Blinded comparison of the 2 modalities was performed at a…
Authors
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ICE may suffice for LA imaging in AF but risks missing thrombi; leaves open replacement of TEE pending prospective validation.
Observational (n=95)
Blinded
Does intracardiac echocardiography provide comparable imaging to transesophageal echocardiography in patients with atrial fibrillation?
Absolute Event Rate: 5.2% vs 6.9%
Intracardiac echocardiography provides valid imaging for the left atrium and interatrial septum in patients with atrial fibrillation, but is less sensitive than transesophageal echocardiography for detecting left atrial appendage thrombus.
Saksena et al. (2010) conducted an observational in Atrial fibrillation (n=95). Intracardiac echocardiography (ICE) vs. Transesophageal echocardiography (TEE) was evaluated on Intracardiac thrombus detection. Intracardiac echocardiography showed 96% concordance with transesophageal echocardiography for left atrial image quality but was less sensitive for detecting intracardiac thrombus (5.2% vs 6.9%).
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