Head to head comparison between perfusion and function during accelerated high-dose dipyridamole magnetic resonance stress for the detection of coronary artery disease (Articolo in rivista)

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  • Head to head comparison between perfusion and function during accelerated high-dose dipyridamole magnetic resonance stress for the detection of coronary artery disease (Articolo in rivista) (literal)
Anno
  • 2008-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.amjcard.2007.07.076 (literal)
Alternative label
  • Pingitore A.; Lombardi M.; Scattini B.; De Marchi D.; Aquaro G. D.; Positano V.; Picano E. (2008)
    Head to head comparison between perfusion and function during accelerated high-dose dipyridamole magnetic resonance stress for the detection of coronary artery disease
    in The American journal of cardiology
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Pingitore A.; Lombardi M.; Scattini B.; De Marchi D.; Aquaro G. D.; Positano V.; Picano E. (literal)
Pagina inizio
  • 8 (literal)
Pagina fine
  • 14 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 101 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#note
  • In: American Journal of Cardiology, vol. 101 (1) pp. 8 - 14. Elsevier, 2008. (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • CNR-IFC, Pisa, IFC-CNR - Fondazione G. Monasterio Pisa (literal)
Titolo
  • Head to head comparison between perfusion and function during accelerated high-dose dipyridamole magnetic resonance stress for the detection of coronary artery disease (literal)
Abstract
  • The aim of this study was to compare the diagnostic accuracy of perfusion and wall motion (WM) during dipyridamole magnetic resonance in patients with chest pain syndrome. Ninety-three patients with normal baseline left ventricular function were referred for coronary angiography. Additional dipyridamole stress magnetic resonance testing (0.84 mg/kg over 6 minutes; using a Signa Cvi scanner) was performed. Cardiac-gated fast gradient-echo train sequences with a first pass of gadolinium contrast medium were used to assess myocardial perfusion. A perfusion reserve index was calculated as the ratio of dipyridamole to rest upslope. A perfusion reserve index value 1.54 in 2 contiguous myocardial segments was the perfusion positivity criterion. The WM positivity criterion was a segmental score increase of or or =2 segments. WM and the perfusion reserve index showed similar diagnostic accuracy for 50% quantitatively assessed coronary diameter reduction (86% for both), with WM having higher specificity (96% vs 66%, p 0.01) and lower sensitivity (82% vs 93%, p 0.05) than the perfusion reserve index. Perfusion had the highest accuracy values for coronary stenoses 75% (cutoff 59%) and WM for coronary stenoses or (literal)
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