Search Results - "Valtysson, J"

Colonic ischaemia and intra-abdominal hypertension following open repair of ruptured abdominal aortic aneurysm by Djavani, K., Wanhainen, A., Valtysson, J., Björck, M.

“…Background: The aim was to investigate the association between colonic ischaemia and intra‐abdominal pressure (IAP) after surgery for ruptured abdominal aortic…”
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Dynamics of re-expansion of atelectasis during general anaesthesia by Rothen, H U, Neumann, P, Berglund, J E, Valtysson, J, Magnusson, A, Hedenstierna, G

“…A major cause of impaired gas exchange during general anaesthesia is atelectasis, causing pulmonary shunt. A ‘vital capacity’ (VC) manoeuvre (i.e. inflation of…”
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Positive end-expiratory pressure prevents atelectasis during general anaesthesia even in the presence of a high inspired oxygen concentration by NEUMANN, P, ROTHEN, H. U, BERGLUND, J. E, VALTYSSON, J, MAGNUSSON, A, HEDENSTIERNA, G

“…General anaesthesia impairs the gas exchange in the lungs, and moderate desaturation (SaO2 86-90%) occurred in 50% of anaesthetised patients in a blinded pulse…”
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Increase of interstitial glycerol reflects the degree of ischaemic brain damage: a PET and microdialysis study in a middle cerebral artery occlusion-reperfusion primate model by Frykholm, P, Hillered, L, Långström, B, Persson, L, Valtysson, J, Watanabe, Y, Enblad, P

“…OBJECTIVE To evaluate interstitial glycerol as a marker of ischaemia by studying the changes in glycerol in direct relation to changes in regional cerebral…”
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Interstitial glycerol as a marker for membrane phospholipid degradation in the acutely injured human brain by Hillered, Lars, Valtysson, Johann, Enblad, Per, Persson, Lennart

“…OBJECTIVE Brain interstitial glycerol was studied as a potential marker for membrane phospholipid degradation in acute human brain injury. METHODS Glycerol was…”
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A metabolic threshold of irreversible ischemia demonstrated by PET in a middle cerebral artery occlusion-reperfusion primate model by Frykholm, P., Andersson, J. L. R., Valtysson, J., Son Silander, H. C., Hillered, L., Persson, L., Olsson, Y., Yu, Wen Ru, Westerberg, G., Watanabe, Y., Långström, B., Enblad, P.

“…Objective– to evaluate the predictive value of measurements of regional cerebral blood flow (CBF), oxygen metabolism (CMRO2) and oxygen extraction ratio (OER)…”
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Extracellular ischaemia markers in repeated global ischaemia and secondary hypoxaemia monitored by microdialysis in rat brain by Valtysson, J, Persson, L, Hillered, L

“…The aim of this study was to explore the usefulness of extracellular markers of cerebral ischaemia. Cortical microdialysate concentrations of the energy…”
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Cerebral normoxia in the rhesus monkey during isoflurane-or propofol-induced hypotension and hypocapnia, despite disparate blood-flow patterns a positron emission tomography study by ENLUND, M, ANDERSSON, J, HARTVIG, P, VALTYSSON, J, WIKLUND, L

“…Due to a few reports of cerebral dysfunction in connection with isoflurane-induced hypotension and concomitant hypocapnia, positron emission tomography (PET)…”
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Neuropathological endpoints in experimental stroke pharmacotherapy: the importance of both early and late evaluation by Valtysson, J, Hillered, L, Andiné, P, Hagberg, H, Persson, L

“…This study addresses the issue of endpoint selection in the evaluation of neuroprotective drugs in experimental focal ischaemia. Previous work with the…”
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Authors' reply: Colonic ischaemia and intra-abdominal hypertension following open repair of ruptured abdominal aortic aneurysm (Br J Surg 2009; 96: 621-627) by Björck, M., Djavani, K., Wanhainen, A., Valtysson, J.

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Effect of tirilazad mesylate given after permanent middle cerebral artery occlusion in rat by Hellström, H O, Wanhainen, A, Valtysson, J, Persson, L, Hillered, L

“…The effect of the antioxidant drug tirilazad mesylate (U-74006F) on histopathological and neurological outcome 3 days after permanent middle cerebral artery…”
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Relationship between cerebral blood flow and oxygen metabolism, and extracellular glucose and lactate concentrations during middle cerebral artery occlusion and reperfusion : a microdialysis and positron emission tomography study in nonhuman primates by FRYKHOLM, Peter, HILLERED, Lars, LANGSTRÖM, Bengt, PERSSON, Lennart, VALTYSSON, Johann, ENBLAD, Per

“…Changes in lactate and glucose levels in the brain may be used to monitor a dynamic ischemic process. The authors related extracellular concentrations of…”
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Colonic ischaemia and intra-abdominal hypertension following open repair of ruptured abdominal aortic aneurysm (Br J Surg 2009; 96:621-627) Reply by Björck, Martin, Djavani, Khatereh, Wanhainen, Anders, Valtysson, Johann

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Preliminary results on the validation of a novel method for measuring intra-abdominal pressure and gastric residual volume by Malbrain, M, Tepaske, R, Valtysson, J, Palmers, P, Van Ingelgem, A, Van Regenmortel, N, De laet, I, Schoonheydt, K, Dits, H

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Neurochemical monitoring using intracerebral microdialysis in patients with subarachnoid hemorrhage by PERSSON, L, VALTYSSON, J, ENBLAD, P, WÄRME, P.-E, CESARINI, K, LEWEN, A, HILLERED, L

“…The authors have developed a method for routine monitoring of disturbances in brain energy metabolism and extracellular levels of excitatory amino acids using…”
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Middle cerebral artery occlusion and reperfusion in primates monitored by microdialysis and sequential positron emission tomography by ENBLAD, Per, FRYKHOLM, Peter, VALTYSSON, Johann, SILANDER, Hans Cson, ANDERSSON, Jesper, FASTH, Karl-Johan, WATANABE, Yasuyoshi, LANGSTRÖM, Bengt, HILLERED, Lars, PERSSON, Lennart

“…In a previous investigation concerning the hemodynamic and metabolic changes over time displayed by sequential positron emission tomography (PET) in a middle…”
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Selective antegrade cerebral perfusion at two different temperatures compared to hypothermic circulatory arrest - an experimental study in the pig with microdialysis by Jonsson, Ove, Myrdal, Gunnar, Zemgulis, Vitas, Valtysson, Johann, Hillered, Lars, Thelin, Stefan

“…a Department of Surgical Sciences, Thoracic Surgery, Uppsala University Hospital, Uppsala University, Uppsala, Sweden b Department of Neuroscience,…”
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Simultaneous intracerebral microdialysis and positron emission tomography in the detection of ischemia in patients with subarachnoid hemorrhage by Enblad, P, Valtysson, J, Andersson, J, Lilja, A, Valind, S, Antoni, G, Långström, B, Hillered, L, Persson, L

“…Intracerebral microdialysis (MD) was applied in patients with subarachnoid hemorrhage. The regional CBF, the CMRO2, and oxygen extraction ratio (OER) were…”
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Central nervous system effects of subdissociative doses of (S)-ketamine are related to plasma and brain concentrations measured with positron emission tomography in healthy volunteers by Hartvig, P, Valtysson, J, Lindner, K J, Kristensen, J, Karlsten, R, Gustafsson, L L, Persson, J, Svensson, J O, Oye, I, Antoni, G

“…Plasma concentrations, maximum regional brain concentrations, and specific regional binding in the brain after administration of 0, 0.1, and 0.2 mg/kg doses of…”
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Cerebral normoxia in the rhesus monkey during isofluraneor propofol-induced hypotension and hypocapnia, despite disparate blood-flow patterns by ENLUND, M., ANDERSSON, J., HARTVIG, P., VALTYSSON, J., WIKLUND, L.

“…Background: Due to a few reports of cerebral dysfunction in connection with isoflurane‐induced hypotension and concomitant hypocapnia, positron emission…”
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