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[Obstacles to the routine use of magnetic resonance imaging--results of a multicenter study for evaluating nuclear magnetic resonance tomography]

by: A. Oberstein, M. Meves, S. Bockenheimer, D. Schlaps
Digitale Bilddiagn, Vol. 10, No. 1. (March 1990), pp. 10-16.

X Abstract

Within the framework of this study, the factors that impair the value of MR scans were also investigated and analysed. It was found that artifacts occurred in a large number of examinations that exercised a negative effect on the results. Artifacts are particularly seen in the thorax (54%) and upper abdomen (57%), but they have also been reported in 23% of the CNS examinations. The sources of such artifacts were mainly movements in the investigated layer, whereas other causes were negligible. In the 21,633 examined patients no undesirable effects caused by the examination were noted that would have impaired the patient or the course of the study. On an average, 88% of the examinations were performed with normal tolerance of the examination. In the remaining cases there was motor unrest or claustrophobia requiring special measures, thus hampering the course of the examination.

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This article has been bookmarked once, on 2006-05-12.

2006-05-12 User tobymart , 1 note

Article is in German. Murphy & Brunberg (1997) report:

"Our figures regarding frequency of sedation utilization correlate closely with those reported by Oberstein et al, in which 21 633 subjects undergoing MR were reviewed. Impaired tolerance of MR occurred in 12% of their patients (motor unrest in 10%, pain in 5%, claustrophobia in up to 5%). Oberstein identified a correlation between final diagnosis and the frequency of motion disturbance. Claustrophobia was reported in only 1% of patients having diseases of the extremities bu in 5% of patients with neurological diseases, including AIDS, psychiatric illness, and neuropathies."

2006-05-12 16:04:43
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