Brain swelling in first hour after coronary artery bypass surgery

Six patients undergoing routine coronary artery bypass surgery were examined by magnetic resonance imaging of the brain before surgery, immediately afterwards, and 6-18 days later. Brain swelling was visible in all six patients on the immediate postoperative scan. In five patients who had later scan...

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Bibliographic Details
Published in:The Lancet (British edition) 1993-09, Vol.342 (8871), p.586-587
Main Authors: Harris, Dnf, Bailey, S.M., Smith, Plc, Taylor, K.M., Oatridge, A., Bydder, G.M.
Format: Article
Language:English
Subjects:
Aged
Biological and medical sciences
Brain
Brain - pathology
Brain Edema - etiology
Brain Edema - pathology
Coronary Artery Bypass - adverse effects
Heart
Humans
Magnetic Resonance Imaging
Male
Medical sciences
Middle Aged
NMR
Nuclear magnetic resonance
Patients
Pilot Projects
Surgery
Surgery (general aspects). Transplantations, organ and tissue grafts. Graft diseases
Surgery of the heart
Time Factors
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Summary:Six patients undergoing routine coronary artery bypass surgery were examined by magnetic resonance imaging of the brain before surgery, immediately afterwards, and 6-18 days later. Brain swelling was visible in all six patients on the immediate postoperative scan. In five patients who had later scans the swelling had subsided. No major neurological deficits were seen, and the patients were extubated successfully within 3 h of the operation. The mechanism of the cerebral swelling is uncertain, but it may provide insight into the cause of neurophysiological deficits seen after coronary artery surgery.
ISSN:0140-6736
1474-547X
DOI:10.1016/0140-6736(93)91412-F