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September 17, 2008
We evaluated the potential benefit of using myocardial perfusion scintigraphy as a gatekeeping technique prior to performing coronary angiography and revascularization procedures in patients with stable angina pectoris. Results showed that about half of all catheterizations and almost one fifth of coronary revascularizations could be avoided, assuming that only patients with reversible (stress-induced) myocardial ischemia and a minority of patients with "fixed" perfusion defects (present both at rest and during stress) would benefit from coronary revascularization.
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