Why the study?
Does aorta-to-coronary artery vein bypass grafting restore myocardial blood flow to normal levels as measured by the xenon-residue detection technique?
Population
20 patients evaluated 3-17 months after aorta-to-coronary artery vein bypass surgery, 20 normal subjects…
Comparison
Myocardial blood flow assessment using the… vs Myocardial blood flow in the corresponding main…
Design
Cohort
Follow-up
3-17 months after surgery
Authors
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Supports bypass grafting for normalizing RCA perfusion in this cohort; leaves open outcome benefits and need for randomized confirmation.
Does aorta-to-coronary artery vein bypass grafting restore myocardial blood flow to normal levels as measured by the xenon-residue detection technique?
Venous bypass grafting substantially increases myocardial perfusion at rest and during exercise, restoring blood flow to levels comparable to normal subjects.
Lichtlen et al. (1972) studied this question.
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