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1.	Lindblom, Rickard, 1981-, et al. (författare) Mechanical Reperfusion Following Prolonged Global Cerebral Ischemia Attenuates Brain Injury 2021 Ingår i: Journal of Cardiovascular Translational Research. - : Springer Science and Business Media LLC. - 1937-5387 .- 1937-5395. ; 14:2, s. 338-347 Tidskriftsartikel (refereegranskat)abstract Previous experiments demonstrated improved outcome following prolonged cerebral ischemia given controlled brain reperfusion using extracorporeal circulation. The current study further investigates this. Young adult pigs were exposed to 30 min of global normothermic cerebral ischemia, achieved through intrathoracic clamping of cerebral arteries, followed by 20 min of isolated mechanical brain reperfusion. Leukocyte-filtered blood was delivered by a roller-pump at fixed pressure and flow. One experimental group additionally had a custom-made buffer solution delivered at 1:8 ratio with the blood. Hemodynamics including intracranial pressure were monitored. Blood gases were from peripheral arteries and the sagittal sinus, and intraparenchymal brain microdialysis was performed. The brains were examined by a neuropathologist. The group with the added buffer showed lower intracranial pressure as well as decreased intraparenchymal glycerol and less signs of excitotoxicity and ischemia, although histology revealed similar degrees of injury. A customized mechanical reperfusion improves multiple parameters after prolonged normothermic global cerebral ischemia. [Figure not available: see fulltext.]

Lindblom, Rickard, 1981-, et al. (författare)
Mechanical Reperfusion Following Prolonged Global Cerebral Ischemia Attenuates Brain Injury
2021
Ingår i: Journal of Cardiovascular Translational Research. - : Springer Science and Business Media LLC. - 1937-5387 .- 1937-5395. ; 14:2, s. 338-347
Tidskriftsartikel (refereegranskat)abstract
- Previous experiments demonstrated improved outcome following prolonged cerebral ischemia given controlled brain reperfusion using extracorporeal circulation. The current study further investigates this. Young adult pigs were exposed to 30 min of global normothermic cerebral ischemia, achieved through intrathoracic clamping of cerebral arteries, followed by 20 min of isolated mechanical brain reperfusion. Leukocyte-filtered blood was delivered by a roller-pump at fixed pressure and flow. One experimental group additionally had a custom-made buffer solution delivered at 1:8 ratio with the blood. Hemodynamics including intracranial pressure were monitored. Blood gases were from peripheral arteries and the sagittal sinus, and intraparenchymal brain microdialysis was performed. The brains were examined by a neuropathologist. The group with the added buffer showed lower intracranial pressure as well as decreased intraparenchymal glycerol and less signs of excitotoxicity and ischemia, although histology revealed similar degrees of injury. A customized mechanical reperfusion improves multiple parameters after prolonged normothermic global cerebral ischemia. [Figure not available: see fulltext.]

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