Clinical Magnetic Resonance Angiography Research Articles

BOOK REVIEWS: Clinical Magnetic Resonance Angiography.

BOOK REVIEWS: Clinical Magnetic Resonance Angiography.

Clinical Magnetic Resonance Angiography

Clinical Magnetic Resonance Angiography

Clinical Magnetic Resonance Angiography

Clinical Magnetic Resonance Angiography

Clinical magnetic resonance angiography, Charles M. Anderson, Robert R. Edelman, and Patrick A. Turski, Raven Press, New York, 1993. 512 pp. $135.00

Magnetic Resonance in MedicineVolume 31, Issue 5 p. 580-580 Book Review Clinical magnetic resonance angiography, Charles M. Anderson, Robert R. Edelman, and Patrick A. Turski, Raven Press, New York, 1993. 512 pp. $135.00 Robert I. Grossman M.D., Robert I. Grossman M.D.Search for more papers by this author Robert I. Grossman M.D., Robert I. Grossman M.D.Search for more papers by this author First published: May 1994 https://doi.org/10.1002/mrm.1910310519Citations: 1AboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Share a linkShare onFacebookTwitterLinked InRedditWechat No abstract is available for this article.Citing Literature Volume31, Issue5May 1994Pages 580-580 RelatedInformation

Clinical Magnetic Resonance Angiography

What is MRA? time-of-flight angiography phase contrast angiography alternative methods post processing and display artifacts and flow phenomena the significance of instrument hardware flow quantification clinical perfusion and diffusion imaging the development of magnetic resonance angiography intracranial magnetic resonance angiography and stroke intracranial aneurysms magnetic resonance angiography of vascular malformations magnetic resonance venography and cerebral venous thrombosis neurovascular anatomy and common variants magnetic resonance venography of the body.

Acute hemispheric stroke: Correlation between three-dimensional transcranial Doppler, MR-angiography, CT and clinical findings

We examined 50 ischemic stroke patients and 67 controls free of vascular disease, intra- or extracranial. We assessed all subjects clinically by neurological examination (quantified on the Canadian Neurological Scale or CNS), by three-dimensional transcranial Doppler sonography (TCD-3D) and by computed tomography (CT) within 24 h of the acute event, repeating CT 15 days later. 15 patients also underwent magnetic resonance angiography (MRA) and digital subtraction angiography (DSA). We used the following Doppler parameters: interhemispheric asymmetry index (AI), mean flow velocity (mV) and pulsatility index (PI) for the middle cerebral artery (MCA). The difference between patients and controls on analysis of the variance (ANOVA) in respect of AI was significant: F = 50.8, p < 0.0001. The CNS-AI correlation was equally valid: r = -0.56, p < 0.001. The CNS-CT correlation proved to be highly significant: r = -0.72, p < 0.0001. TCD-3D allowed quantitative evaluation of the hemodynamic changes and of the collateral blood supply and proved to be a sound method for the investigation of ischemic stroke, correlating well with the clinical findings, MRA and lesion size on CT.

MR imaging of poststenotic flow phenomena: Experimental studies

Poststenotic flow patterns were analyzed in a flow phantom with a 1.5-T magnetic resonance (MR) imager, with use of different MR imaging and MR angiographic pulse sequences. Spin-echo, fast field-echo, two-dimensional inflow (multiple single-section technique), and flow-adjusted-gradient sequences were applied. For the spin-echo sequences, modulus and phase images were reconstructed from each data set. The length of the region of poststenotic changes in signal amplitude and phase measured at a constant flow rate increased with stenosis grade. Likewise, the length of the region of poststenotic changes measured at a constant stenosis grade increased with flow rate. Moreover, the results depended on the alignment of the flow direction with the readout gradient. Comparison of modulus and phase images allowed discrimination of turbulent and nonturbulent flow, which yields additional information on stenosis grade in clinical MR angiography.