International journal of cardiology · 2013
Assessment of the new appropriate use criteria for diagnostic catheterization in the detection of coronary artery disease following noninvasive stress testing.
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Hannan Edward L, Samadashvili Zaza, Cozzens Kimberly, Walford Gary, Jacobs Alice K, Holmes David R, Stamato Nicholas J, Venditti Ferdinand J, Gold Jeffrey P, Sharma Samin, King Spencer B
Аннотация
BACKGROUND: Appropriate use criteria (AUC) for diagnostic catheterization (DC) developed by the American College of Cardiology Foundation (ACCF) and other professional societies were recently published. These criteria have yet to be examined thoroughly using existing DC databases.
METHODS AND RESULTS: New York State's Cardiac Diagnostic Catheterization Database was used to identify patients undergoing DC "for suspected coronary artery disease (CAD)" in 01/2010-06/2011 who underwent noninvasive stress testing. Patients rated for appropriateness using symptoms and stress test results were examined to determine the percentage with obstructive CAD and to explore the benefit of adding Global Risk Score (GRS) to the AUC. Of the 4432 patients who could be rated, 1530 (34.5%) had obstructive CAD, which varied from 22% for patients rated inappropriate to 47% for patients rated appropriate. Of all patients with low risk stress test results/no symptoms, all of whom were rated "inappropriate" for DC, only 8% of those patients with low GRS had obstructive CAD, whereas 44% of the patients with high GRS had obstructive CAD.
CONCLUSIONS: Global Risk Score improved the ability of symptoms and stress test results to identify obstructive CAD in patients with "suspected CAD" with prior stress tests, and it might be helpful to add GRS to the DC AUC for those patients. These findings should be regarded as hypothesis generating unless/until they can be confirmed by other data bases.
METHODS AND RESULTS: New York State's Cardiac Diagnostic Catheterization Database was used to identify patients undergoing DC "for suspected coronary artery disease (CAD)" in 01/2010-06/2011 who underwent noninvasive stress testing. Patients rated for appropriateness using symptoms and stress test results were examined to determine the percentage with obstructive CAD and to explore the benefit of adding Global Risk Score (GRS) to the AUC. Of the 4432 patients who could be rated, 1530 (34.5%) had obstructive CAD, which varied from 22% for patients rated inappropriate to 47% for patients rated appropriate. Of all patients with low risk stress test results/no symptoms, all of whom were rated "inappropriate" for DC, only 8% of those patients with low GRS had obstructive CAD, whereas 44% of the patients with high GRS had obstructive CAD.
CONCLUSIONS: Global Risk Score improved the ability of symptoms and stress test results to identify obstructive CAD in patients with "suspected CAD" with prior stress tests, and it might be helpful to add GRS to the DC AUC for those patients. These findings should be regarded as hypothesis generating unless/until they can be confirmed by other data bases.