Coronary Artery Disease: Combined Stress MR Imaging Protocol—One-Stop Evaluation of Myocardial Perfusion and Function

Sensky, Penelope R.; Jivan, Asvina; Hudson, Norah M.; Keal, Richard; Morgan, Bruno; Tranter, J; Bono, David de; Samani, Nilesh J.; Cherryman, G.R.

doi:10.1148/radiology.215.2.r00ap12608

Cited by 69 publications

(28 citation statements)

References 24 publications

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“…Parallel imaging in combination with steady-state gradient echo sequence might reduce examination time dramatically without sacrifice of the signal-to-noise ratio (27). Another application of this method could be involved in the "one-stop" cardiac MR examination, when the diseased coronary artery segment could be revealed by myocardial perfusion MR imaging (28,29). Further investigation on a large scale, however, is necessary to establish the specificity and sensitivity of this technique in the evaluation of coronary artery disease.…”

Section: Discussionmentioning

confidence: 99%

High‐resolution selective three‐dimensional magnetic resonance coronary angiography with navigator‐echo technique: Segment‐by‐segment evaluation of coronary artery stenosis

Watanabe

Nagayama

Amoh

et al. 2002

Magnetic Resonance Imaging

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Purpose:To investigate the feasibility of high-resolution selective three-dimensional (3D) magnetic resonance coronary angiography (MRCA) in the evaluation of coronary artery stenoses. Materials and Methods:In 12 patients with coronary artery stenoses, MRCA of the coronary artery groups, including the coronary segments with stenoses of 50% or greater based on conventional x-ray coronary angiography (CAG), was performed with double-oblique imaging planes by orienting the 3D slab along the major axis of each right coronary artery-left circumflex artery (RCA-LCX) group and each left main trunk-left anterior descending artery (LMT-LAD) group. Ten RCA-LCX and five LMT-LAD MR angiograms were obtained, and the results were compared with those of conventional x-ray angiography.Results: Among 70 coronary artery segments expected to be covered, a total of 49 (70%) segments were fully demonstrated in diagnostic quality. The identification of segmental location of stenoses showed as high an accuracy as 96%. The retrospective analysis for stenosis of 50% or greater yielded the sensitivity, specificity, and accuracy of 80%, 85%, and 84%, respectively. Conclusion:Selective 3D MRCA has the potential for segment-by-segment evaluation of major portions of the right and left coronary arteries with high accuracy. THE DESIRE TO REPLACE CONVENTIONAL x-ray coronary angiography (CAG) by a less invasive imaging method is commonplace. Magnetic resonance coronary angiography (MRCA) has been evaluated by many authors since the late 1980s (1-16). Electrocardiography (ECG)-gated breath-hold and navigator-echo guided data acquisition have been evaluated to overcome image blurring due to cardiac and respiratory motion during the relatively long MR data acquisition process. Many imaging strategies have focused on the detection and quantification of the stenoses of only the proximal coronary arteries, but detection and quantification of the stenoses still remain unreliable (4,8,12,15).Transaxial sections used in those studies usually cover only the proximal segments of the major coronary arteries (8,12). However, not only the proximal coronary arteries, but also the mid and distal coronary arteries can be involved in the ischemic heart diseases. If all of the coronary arteries are covered with the transaxial imaging plane (12)(13)(14), the imaging time would be prolonged in association with large volume acquisition, and the right coronary artery could not be obtained with high spatial resolution because it runs in the through-plane direction. Thus, by orienting the threedimensional (3D) imaging slab along the major axis of the coronary vessels, coronary coverage can be more optimal with smaller imaging volumes (16). Recently, some investigators have used axial orientations for the left main trunk (LMT), proximal and mid left anterior descending artery (LAD), and proximal left circumflex artery (LCX), and oblique orientations for the right coronary artery (RCA) (17,18). However, two double-oblique scan volumes, when oriented along the atrioventri...

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Section: Discussionmentioning

confidence: 99%

High‐resolution selective three‐dimensional magnetic resonance coronary angiography with navigator‐echo technique: Segment‐by‐segment evaluation of coronary artery stenosis

Watanabe

Nagayama

Amoh

et al. 2002

Magnetic Resonance Imaging

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“…Therefore, we studied 24 patients with complaints of cocaine-associated chest pain (during or shortly after its use), and without emergency department admission. None of the patients had exclusion criteria for MRI or CTA studies [12][13][14]. The study was approved by the Institutional Ethics Committee, and all patients gave written informed consent.…”

Section: Methodsmentioning

confidence: 99%

“…Cine images were acquired with a steady-state free precession pulse sequence. Delayed-enhancement images were acquired 5-15 min after a bolus injection of 0.2 mmol kg -1 (Magnevistan; Schering AG, Berlin, Germany), with an inversion recovery fast gradient-echo pulse sequence [12,13]. Inversion time was adjusted visually to null the signal of normal myocardium.…”

Section: Mri Data Acquisition and Analysesmentioning

confidence: 99%

“…In recent years, MRI and CT angiography (CTA) have emerged as powerful non-invasive tools for myocardial assessment and evaluation of the coronary tree [12][13][14], which might be very important in this special scenario. The aim of this study was to evaluate the incidence of previous MI among young cocaine users with a history of chest pain through the diagnosis of myocardial fibrosis (MF) by MRI.…”

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confidence: 99%

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Assessment of myocardial infarction by CT angiography and cardiovascular MRI in patients with cocaine-associated chest pain: a pilot study

Paraschin

Andrade²,

Parga³

2012

BJR

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“…A RMC na DAC agrega informações únicas, integrando diversas respostas clínicas num mesmo exame 19 . As indicações para a RMC na avaliação da doença arterial coronária estão sintetizadas na tabela 4.…”

Section: Introductionunclassified

I Diretriz de Ressonância e Tomografia Cardiovascular da Sociedade Brasileira de Cardiologia Sumário Executivo

C¹,

Jasinowodolinsk²,

Lucchesi³

et al. 2006

Arq. Bras. Cardiol.

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Coronary Artery Disease: Combined Stress MR Imaging Protocol—One-Stop Evaluation of Myocardial Perfusion and Function

Cited by 69 publications

References 24 publications

High‐resolution selective three‐dimensional magnetic resonance coronary angiography with navigator‐echo technique: Segment‐by‐segment evaluation of coronary artery stenosis

High‐resolution selective three‐dimensional magnetic resonance coronary angiography with navigator‐echo technique: Segment‐by‐segment evaluation of coronary artery stenosis

Assessment of myocardial infarction by CT angiography and cardiovascular MRI in patients with cocaine-associated chest pain: a pilot study

I Diretriz de Ressonância e Tomografia Cardiovascular da Sociedade Brasileira de Cardiologia Sumário Executivo

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