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Titolo:
The relationship between the BOLD-induced T-2 and T-2*: A theoretical approach for the vasculature of myocardium
Autore:
Bauer, WR; Nadler, W; Bock, M; Schad, LR; Wacker, C; Hartlep, A; Ertl, G;
Indirizzi:
Univ Mannheim, Med Klin 2, Mannheim, Germany Univ Mannheim Mannheim Germany Mannheim, Med Klin 2, Mannheim, Germany KFA Julich GmbH, Forschungszentrum, HLRZ, Julich, Germany KFA Julich GmbHJulich Germany Forschungszentrum, HLRZ, Julich, Germany German Canc Res Ctr, Dept Biophys, D-6900 Heidelberg, Germany German Canc Res Ctr Heidelberg Germany D-6900 D-6900 Heidelberg, Germany
Titolo Testata:
MAGNETIC RESONANCE IN MEDICINE
fascicolo: 6, volume: 42, anno: 1999,
pagine: 1004 - 1010
SICI:
0740-3194(199912)42:6<1004:TRBTBT>2.0.ZU;2-U
Fonte:
ISI
Lingua:
ENG
Soggetto:
OXYGENATION; CONTRAST;
Keywords:
BOLD; myocardial imaging; heart; T-2*;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Clinical Medicine
Life Sciences
Citazioni:
16
Recensione:
Indirizzi per estratti:
Indirizzo: Bauer, WR Univ Wurzburg, Med Klin, Josef Schneider Str 2, D-97080 Wurzburg, Germany Univ Wurzburg Josef Schneider Str 2 Wurzburg Germany D-97080 ny
Citazione:
W.R. Bauer et al., "The relationship between the BOLD-induced T-2 and T-2*: A theoretical approach for the vasculature of myocardium", MAGN RES M, 42(6), 1999, pp. 1004-1010

Abstract

Recently the blood oxygenation level-dependent (BOLD)related T*(2) of myocardium was derived as an analytical function of intracapillary blood volume, blood oxygenation, and nuclear spin diffusion. The basis of this approachwas to approximate the diffusion-induced field fluctuations a nuclear spinis subjected to by strong collision dynamics, i.e., the field fluctuationsare uncorrelated. The same analysis is now performed for spin echo experiments that gives myocardiaI T-2 as a function of the parameters above and the echotime. An analytical relationship between T-2 and T*(2) relaxation is derived. The dependence of T-2 on diffusion, echo time, and blood oxygenation is congruent with simulation and experimental data. (C) 1999 Wiley-Liss,Inc.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 14/07/20 alle ore 19:37:01