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Titolo:
CORONARY-ARTERIES - 3-DIMENSIONAL MR-IMAGING WITH RETROSPECTIVE RESPIRATORY GATING
Autore:
LI DB; KAUSHIKKAR S; HAACKE EM; WOODARD PK; DHAWALE PJ; KROEKER RM; LAUB G; KUGINUKI Y; GUTIERREZ FR;
Indirizzi:
WASHINGTON UNIV,MALLINCKRODT INST RADIOL,510 S KINGSHIGHWAY ST LOUIS MO 63110 SIEMENS AG D-8520 ERLANGEN GERMANY
Titolo Testata:
Radiology
fascicolo: 3, volume: 201, anno: 1996,
pagine: 857 - 863
SICI:
0033-8419(1996)201:3<857:C-3MWR>2.0.ZU;2-V
Fonte:
ISI
Lingua:
ENG
Soggetto:
ADAPTIVE MOTION COMPENSATION; BREATH-HOLD; MOVING STRUCTURES; ANGIOGRAPHY; ARTIFACTS; KINEMATICS; FEEDBACK; SIGNAL; HEART; ECHO;
Keywords:
CORONARY VESSELS, MR; MAGNETIC RESONANCE (IMR), ARTIFACT; MAGNETIC RESONANCE (MR), MOTION CORRECTION; MAGNETIC RESONANCE (MR), TISSUE SUPPRESSION; MAGNETIC RESONANCE (MR), VASCULAR STUDIES;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
40
Recensione:
Indirizzi per estratti:
Citazione:
D.B. Li et al., "CORONARY-ARTERIES - 3-DIMENSIONAL MR-IMAGING WITH RETROSPECTIVE RESPIRATORY GATING", Radiology, 201(3), 1996, pp. 857-863

Abstract

Thin-section, three-dimensional (3D) gradient-echo magnetic resonanceimaging of the coronary arteries was performed without and with retrospective respiratory gating in 12 healthy volunteers and one patient. In all examinations, results were improved with gating. In five of seven volunteer examinations, coronary artery delineation on images reconstructed by using the least-squares method for motion detection with navigator echoes was found to be equal to that obtained by using edge detection. Images in five other volunteers covered the entire heart with multiple overlapping 3D slabs. The arteries were segmented from the background and could be viewed from any orientation. The lengths of contiguously visible vessels were as follows: left main coronary artery (11.5 mm +/- 0.4 (mean +/- standard deviation); left anterior descending branch, 115.9 mm +/- 19.7; left circumflex branch, 97.2 mm +/- 12.5; and right coronary artery, 125.9 mm +/- 18.8. This respiratory gating technique clearly improved depiction of the coronary arteries.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 09/04/20 alle ore 00:07:47