Key result
Cardiogoniometry improves CAD detection with ~64% diagnostic sensitivity, outperforming standard ECG.
Why the study?
A non-invasive, quantitative method to identify coronary artery disease at rest was needed to improve diagnostic accuracy over standard ECG.
Does cardiogoniometry performed at rest improve the diagnostic accuracy for identifying coronary artery disease compared to standard ECG in patients undergoing coronary angiography?
Observational (n=793)
Does cardiogoniometry performed at rest improve the diagnostic accuracy for identifying coronary artery disease compared to standard ECG in patients undergoing coronary angiography?
Absolute Event Rate: 64% vs 53%
Cardiogoniometry performed at rest provides higher diagnostic sensitivity than standard ECG for identifying coronary artery disease.
PRINCIPLES: Cardiogoniometry is a non-invasive technique for quantitative three-dimensional vectorial analysis of myocardial depolarization and repolarization. We describe a method of surface electrophysiological cardiac assessment using cardiogoniometry performed at rest to detect variables helpful in identifying coronary artery disease. METHODS: Cardiogoniometry was performed in 793 patients prior to diagnostic coronary angiography. Using 13 variables in men and 10 in women, values from 461 patients were retrospectively analyzed to obtain a diagnostic score that would identify patients having coronary artery disease. This score was then prospectively validated on 332 patients. RESULTS: Cardiogoniometry showed a prospective diagnostic sensitivity of 64%, and a specificity of 82%. ECG diagnostic sensitivity was significantly lower, with 53% and a similar specificity of 75%. CONCLUSIONS: Cardiogoniometry is a new, noninvasive, quantitative electrodiagnostic technique which is helpful in identifying patients with coronary artery disease. It can easily be performed at rest and delivers an accurate, automated diagnostic score.
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Emese et al. (2008) conducted an observational in Coronary artery disease (n=793). Cardiogoniometry vs. ECG was evaluated on Diagnostic sensitivity for coronary artery disease. Cardiogoniometry showed a prospective diagnostic sensitivity of 64% and specificity of 82% for coronary artery disease, compared to 53% and 75% for ECG.
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