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Titolo:
Cardiac susceptibility artifacts arising from the heart-lung interface
Autore:
Atalay, MK; Poncelet, BP; Kantor, HL; Brady, TJ; Weisskoff, RM;
Indirizzi:
Johns Hopkins Med Inst, Dept Radiol, Baltimore, MD 21287 USA Johns HopkinsMed Inst Baltimore MD USA 21287 ol, Baltimore, MD 21287 USA Massachusetts Gen Hosp, NMR Ctr, Boston, MA 02114 USA Massachusetts Gen Hosp Boston MA USA 02114 NMR Ctr, Boston, MA 02114 USA Massachusetts Gen Hosp, Dept Cardiol, Cardiac Unit, Boston, MA 02114 USA Massachusetts Gen Hosp Boston MA USA 02114 iac Unit, Boston, MA 02114 USA
Titolo Testata:
MAGNETIC RESONANCE IN MEDICINE
fascicolo: 2, volume: 45, anno: 2001,
pagine: 341 - 345
SICI:
0740-3194(200102)45:2<341:CSAAFT>2.0.ZU;2-B
Fonte:
ISI
Lingua:
ENG
Soggetto:
IN-VIVO; 1.5 T; T-ASTERISK(2); OXYGENATION; MAPS;
Keywords:
susceptibility artifact; cardiac; MRI; swine; lung;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Clinical Medicine
Life Sciences
Citazioni:
8
Recensione:
Indirizzi per estratti:
Indirizzo: Atalay, MK Johns Hopkins Med Inst, Dept Radiol, 601 N Caroline St, Baltimore, MD 21287 USA Johns Hopkins Med Inst 601 N Caroline St Baltimore MD USA 21287
Citazione:
M.K. Atalay et al., "Cardiac susceptibility artifacts arising from the heart-lung interface", MAGN RES M, 45(2), 2001, pp. 341-345

Abstract

Cardiac MRI studies often show susceptibility artifacts along the inferoapical myocardial margin in both human and in vivo animal experiments at field strengths of 1.5T and greater. This study was designed to determine the cause of these artifacts in porcine myocardium at 3T. Gradient echo images were obtained under various anatomic and physiologic conditions to systematically study potential sources of local susceptibility gradients. Lung resection in the open-chested, euthanized swine was the only intervention that eliminated the artifact. The data suggest that in the porcine model, the heart-lung interface is the primary cause of these artifacts. Magn Reson Med 45: 341-345, 2001, (C) 2001 Wiley-Liss, Inc.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 24/11/20 alle ore 14:23:04