Article Publish Status: FREE
Abstract Title:

Neurobehavioral effects among subjects exposed to high static and gradient magnetic fields from a 1.5 Tesla magnetic resonance imaging system--a case-crossover pilot study.

Abstract Source:

Magn Reson Med. 2003 Oct ;50(4):670-4. PMID: 14523950

Abstract Author(s):

Frank de Vocht, Berna van-Wendel-de-Joode, Hans Engels, Hans Kromhout

Article Affiliation:

Frank de Vocht


The interactive use of magnetic resonance imaging (MRI) techniques is increasing in operating theaters. A study was performed on 17 male company volunteers to assess the neurobehavioral effects of exposure to magnetic fields from a 1.5 Tesla MRI system. The subjects' neurobehavioral performances on a neurobehavioral test battery were compared in four 1-hr sessions with and without exposure to magnetic fields, and with and without additional movements. Adverse effects were found for hand coordination (-4%, P<0.05; Pursuit Aiming II) and near visual contrast sensitivity (-16% and -15%, P<0.10; Vistech 6000). The results from the remaining tests were inconclusive due to a strong learning effect. No additional effect from gradient fields was detected. The results indicate that working near a 1.5 Tesla MRI system may lead to neurobehavioral effects. Further research is recommended, especially in members of operating teams using interactive MRI systems.

Study Type : Human Study

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Sayer Ji
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