Summary
The angiographic severity of a coronary artery stenosis does not necessarily predict an abnormality in myocardial blood flow at rest or during exercise. A poor correlation has been observed between arteriographically defined stenosis and exercise capacity irrespective of whether the severity of the stenosis was assessed by visual or quantitative methods. Furthermore, the relative contribution of each coronary artery to global myocardial perfusion varies widely in any individual patient. The clinical application of coronary flow velocity measurements using the Doppler flow wire during cardiac catheterization represents a valuable means for providing immediate physiologic assessment of coronary artery lesion significance. Recent studies which addressed the correlations between translesionai hemodynamics and noninvasive perfusion imaging have confirmed the accuracy and reliability of Doppler translesional flow velocity assessment. In this regard, myocardial perfusion scintigraphy can aid the clinician in interpreting the arteriographic information and in formulating a therapeutic regimen.
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© 1996 Kluwer Academic Publishers
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Van Der Wall, E.E., Bruschke, A.V.G. (1996). Functional assessment of stenosis significance after coronary arteriography; value of myocardial perfusion scintigraphy. In: Reiber, J.H.C., van der Wall, E.E. (eds) Cardiovascular Imaging. Developments in Cardiovascular Medicine, vol 186. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-0291-6_32
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DOI: https://doi.org/10.1007/978-94-009-0291-6_32
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