Why the study?
Is percutaneous retrograde catheterization of the aortic valve feasible and successful in patients being evaluated for cardiac surgery?
Is percutaneous retrograde catheterization of the aortic valve feasible and successful in patients being evaluated for cardiac surgery?
Percutaneous retrograde catheterization of the aortic valve is a highly successful technique for obtaining hemodynamic measurements in patients evaluated for cardiac surgery.
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Supports feasibility for hemodynamic assessment; leaves open safety, generalizability, and need for prospective validation.
Henry D. McIntosh (1961) studied this question.
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