Why the study?
Does Technetium 99m Pyrophosphate imaging before and after open heart surgery accurately assess the incidence of peri-operative infarction?
Does Technetium 99m Pyrophosphate imaging before and after open heart surgery accurately assess the incidence of peri-operative infarction?
Pre-operative and post-operative Technetium 99m Pyrophosphate imaging must be compared to accurately assess peri-operative myocardial infarction due to a high baseline incidence of positive images.
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High baseline positives in CAD patients require paired pre-/post-operative scans to assess perioperative MI; leaves open accuracy of unpaired imaging.
Kelly et al. (1978) studied this question.
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