Key result
TEE outperforms TTE for distal coronary sinus visualization, identifying anatomy in 100% of patients.
Why the study?
The comparative effectiveness of transthoracic echocardiography and transesophageal echocardiography in evaluating the coronary sinus and its blood flow was unclear.
Does transesophageal echocardiography improve the evaluation of the coronary sinus and its blood flow compared to transthoracic echocardiography?
Population
40 patients
Comparison
Transesophageal echocardiography vs transthoracic echocardiography
Design
Observational cross-sectional study
Authors
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TEE may aid coronary sinus assessment when TTE is inadequate; leaves open impact on outcomes or practice.
Observational (n=40)
Does transesophageal echocardiography improve the evaluation of the coronary sinus and its blood flow compared to transthoracic echocardiography?
Absolute Event Rate: 100% vs 52.5%
TEE is superior to TTE for visualizing and measuring the coronary sinus and its blood flow velocity, though flow volume calculations may be inaccurate due to dynamic changes in cross-sectional area.
Kronzon et al. (1995) reported an observational. Transesophageal echocardiography (TEE) vs. Transthoracic echocardiography (TTE) was evaluated on Identification of the distal coronary sinus and its right atrial communication. Transesophageal echocardiography was superior to transthoracic echocardiography for identifying the distal coronary sinus (100% vs 52.5%) and measuring flow velocity (63% vs 0%).
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