Why the study?
Does heart rate adjustment of ST segment depression improve diagnostic accuracy for three-vessel or left main coronary disease?
Population
Patients evaluated for diseased coronary vessels (three-vessel or left main disease)
Design
Review
Key result
Heart rate adjustment of ST segment depression improved diagnostic accuracy for severe coronary disease in 8 centers but failed to improve accuracy in 7 centers, with reasons for variation unclear.
Authors
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Variability across centers cautions against routine clinical adoption of heart rate-adjusted ST depression; leaves open its diagnostic value for severe CAD.
Does heart rate adjustment of ST segment depression improve diagnostic accuracy for three-vessel or left main coronary disease?
The diagnostic value of heart rate-adjusted ST segment depression remains controversial due to unexplained variability in performance across different centers.
Bobbio et al. (1991) conducted a review in Coronary artery disease. Heart rate adjustment of ST segment depression was evaluated on Diagnostic accuracy of three-vessel or left main disease. Heart rate adjustment of ST segment depression improved diagnostic accuracy for severe coronary disease in 8 centers but failed to improve accuracy in 7 centers, with reasons for variation unclear.
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