Parametric assessment of myocardial perfusion by densitometric evaluation of digital subtraction coronary angiograms: a comparison with tomographic TL-201 scintigraphy results

6533b7cefe1ef96bd1256f97

RESEARCH PRODUCT

Parametric assessment of myocardial perfusion by densitometric evaluation of digital subtraction coronary angiograms: a comparison with tomographic TL-201 scintigraphy results

M. Lang D. Eissner Michael Haude Raimund Erbel J. Meyer K. Hahn Rüdiger Brennecke U. Renneisen

subject

medicine.medical_specialty medicine.diagnostic_test business.industry Subtraction Single-photon emission computed tomography Scintigraphy Dipyridamole Catheterization procedure Right coronary artery medicine.artery Angiography medicine Radiology business Nuclear medicine Perfusion medicine.drug

description

Densitometric results about local myocardial perfusion are compared with those derived from a quantitative analysis of TL-201 single photon emission computer tomograms (TL-201 SPECT). Ten patients underwent conventional TL-201 SPECT at rest and after maximum bicycle stress and dipyridamole infusion the day prior to the investigation. SPECT was applied to provide improved spatial resolution for the detection of perfusion abnormalities. During the catheterization procedure four digital subtraction coronary angiograms were performed, two of the left and two of the right coronary artery both before and after pharmacologically induced hyperemia by intracoronary papaverine. The densitometric parameter results were compared with the quantitative results of TL-201 SPECT. Both correlations were obtained for the densitometric parameters rise time and mean ascending time, worst for maximum intensity. >

year	journal	country	edition	language
2002-12-04	[1990] Proceedings Computers in Cardiology

https://doi.org/10.1109/cic.1990.144183

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