Summary
The authors report on 14 patients in whom cerebral tissue pressure was recorded after operation for brain tumours. Cerebral tissue pressure was recorded by a 5 French catheter with two microtransducers. The transducers were placed intraoperatively in the wall of the tumour cavity and in a distance of approximately 2.5 cm.
Differences between both pressures from 4 to 28 mmHg were observed. They were higher in patients with glioblastomas and meningiomas than in patients with intracranial metastases. In 7 patients proximal tissue pressure was higher than distal. In 4 patients the contrary was observed. Discussing the literature the authors think intrahemispheric changes of brain water content, blood flow, and brain tissue elastance to be responsible for this phenomenon.
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Piek, J., Plewe, P. & Bock, W.J. Intrahemispheric gradients of brain tissue pressure in patients with brain tumours. Acta neurochir 93, 129–132 (1988). https://doi.org/10.1007/BF01402894
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DOI: https://doi.org/10.1007/BF01402894