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Titolo:
Myocardial viability: Magnetic resonance assessment of functional reserve and tissue characterization
Autore:
Watzinger, N; Saeed, M; Wendland, MF; Akbari, H; Lund, G; Higgins, CB;
Indirizzi:
Univ Calif San Francisco, Dept Radiol, San Francisco, CA 94143 USA Univ Calif San Francisco San Francisco CA USA 94143 ancisco, CA 94143 USA
Titolo Testata:
JOURNAL OF CARDIOVASCULAR MAGNETIC RESONANCE
fascicolo: 3, volume: 3, anno: 2001,
pagine: 195 - 208
SICI:
1097-6647(2001)3:3<195:MVMRAO>2.0.ZU;2-5
Fonte:
ISI
Lingua:
ENG
Soggetto:
CORONARY-ARTERY DISEASE; LEFT-VENTRICULAR DYSFUNCTION; ISCHEMIC-HEART-DISEASE; DELAYED CONTRAST-ENHANCEMENT; REPERFUSED CANINE INFARCTS; GD-DTPA; MICROVASCULAR OBSTRUCTION; ECHO-PLANAR; FIRST-PASS; DISTRIBUTION VOLUME;
Keywords:
coronary heart disease; MR imaging; myocardial viability;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Clinical Medicine
Citazioni:
77
Recensione:
Indirizzi per estratti:
Indirizzo: Higgins, CB Univ Calif San Francisco, Dept Radiol, San Francisco, CA 94143USA Univ Calif San Francisco San Francisco CA USA 94143 94143 USA
Citazione:
N. Watzinger et al., "Myocardial viability: Magnetic resonance assessment of functional reserve and tissue characterization", J CARD M RE, 3(3), 2001, pp. 195-208

Abstract

The determination of myocardial viability is crucial in patients with leftventricular dysfunction resulting from acute myocardial ischemia or chronic coronary artery disease. Viable myocardium will most likely benefit from revascularization procedures. However, the revascularization of scar tissuewill not lead to improvement of ventricular function and furthermore bearsunnecessary risk for the patient. Currently, echocardiographic and radionuclide techniques are the most established methods for the assessment of presence and extent of viable myocardium. Magnetic resonance imaging (MRI) also provides multiple approaches for determining viability of acute ischemically injured and hibernating myocardium. MRI can assess contractile reserve in a manner similar to echo cardiography. Additionally, contrast-enhanced MRI can characterize myocardial ischemic injury, including the ability to discriminate viable from nonviable zones. Several new contrast media have been introduced for this purpose. This review addresses the progress toward the goal of defining myocardial viability based on MR techniques and focuses on the current and future role of MR in the assessment of viable myocardium.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 04/04/20 alle ore 02:44:45