Key result
Epicardial echocardiography measurements of aortic valve area showed close agreement with transesophageal echocardiography (mean difference -0.09 cm2 ± 0.18 cm2; P<0.0001).
Why the study?
Does epicardial echocardiography accurately measure aortic valve area compared to established techniques in patients undergoing cardiac surgery?
Population
85 patients undergoing cardiac surgery
Comparison
Epicardial echocardiography for measuring aortic… vs Intraoperative transesophageal echocardiography…
Design
Cohort
Authors
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May support epicardial echocardiography as TEE alternative intraoperatively; leaves open prospective validation before practice change.
Observational (n=85)
Does epicardial echocardiography accurately measure aortic valve area compared to established techniques in patients undergoing cardiac surgery?
Mean Difference: -0.09
p-value: p=<0.0001
Epicardial echocardiography is a feasible and accurate intraoperative alternative or adjunct to transesophageal echocardiography for measuring aortic valve area during cardiac surgery.
Hilberath et al. (2008) conducted an observational in Patients undergoing cardiac surgery (n=85). Epicardial echocardiography (EE) vs. Transesophageal echocardiography (TEE) was evaluated on Agreement of aortic valve area (AVA) measurements between EE and TEE (MD -0.09 cm2, 95% CI ± 0.18 cm2, p=<0.0001). Epicardial echocardiography measurements of aortic valve area showed close agreement with transesophageal echocardiography (mean difference -0.09 cm2 ± 0.18 cm2; P<0.0001).
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