One fourth Diagnostic Catheterizations Inappropriate: NY Study

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One fourth Diagnostic Catheterizations Inappropriate: NY Study

One in four patients who underwent recent diagnostic caths in 18 New York state hospitals to detect suspected heart blockages were not appropriate candidates for this procedure, based on new criteria.

Among the patients who had undergone inappropriate diagnostic catheterization, 57% had no chest pain, no previous stress test, and a low to intermediate Framingham global CAD risk score. The study was published online January 28, 2014 in Circulation: Cardiovascular Interventions.

Of the 8986 patients who could be rated for appropriateness, 35.3% were rated as appropriate, 39.8% as uncertain, and 24.9% as inappropriate.
Of the 2240 patients rated as inappropriate:

56.7% were asymptomatic, had no previous stress test, and had low or intermediate global coronary artery disease risk.
36.0% had a previous stress test with low-risk findings and no symptoms.
7.3% were symptomatic, had no previous stress test, and had low pretest probability