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Rostami E, Engquist H, Howells T, et al. The Correlation between Cerebral Blood Flow Measured by Bedside Xenon-CT and Brain Chemistry Monitored by Microdialysis in the Acute Phase following Subarachnoid Hemorrhage. Front Neurol. 2017;8:369doi: 10.3389/fneur.2017.00369.
Rostami, E., Engquist, H., Howells, T., Ronne-Engström, E., Nilsson, P., Hillered, L. T., Lewén, A., & Enblad, P. (2017). The Correlation between Cerebral Blood Flow Measured by Bedside Xenon-CT and Brain Chemistry Monitored by Microdialysis in the Acute Phase following Subarachnoid Hemorrhage. Frontiers in neurology, 8369. https://doi.org/10.3389/fneur.2017.00369
Rostami, Elham, et al. "The Correlation between Cerebral Blood Flow Measured by Bedside Xenon-CT and Brain Chemistry Monitored by Microdialysis in the Acute Phase following Subarachnoid Hemorrhage." Frontiers in neurology vol. 8 (2017): 369. doi: https://doi.org/10.3389/fneur.2017.00369
Rostami E, Engquist H, Howells T, Ronne-Engström E, Nilsson P, Hillered LT, Lewén A, Enblad P. The Correlation between Cerebral Blood Flow Measured by Bedside Xenon-CT and Brain Chemistry Monitored by Microdialysis in the Acute Phase following Subarachnoid Hemorrhage. Front Neurol. 2017 Aug 02;8:369. doi: 10.3389/fneur.2017.00369. eCollection 2017. PMID: 28824527; PMCID: PMC5539179.
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Front Neurol. 2017 Aug 02;8:369. doi: 10.3389/fneur.2017.00369. eCollection 2017.

The Correlation between Cerebral Blood Flow Measured by Bedside Xenon-CT and Brain Chemistry Monitored by Microdialysis in the Acute Phase following Subarachnoid Hemorrhage.

Frontiers in neurology

Elham Rostami, Henrik Engquist, Timothy Howells, Elisabeth Ronne-Engström, Pelle Nilsson, Lars Tomas Hillered, Anders Lewén, Per Enblad

Affiliations

  1. Section of Neurosurgery, Department of Neuroscience, Uppsala University, Uppsala, Sweden.
  2. Anesthesiology and Intensive Care, Department of Surgical Sciences, Uppsala University, Uppsala, Sweden.

PMID: 28824527 PMCID: PMC5539179 DOI: 10.3389/fneur.2017.00369

Abstract

Cerebral microdialysis (MD) may be used in patients suffering from subarachnoid hemorrhage (SAH) to detect focal cerebral ischemia. The cerebral MD catheter is usually placed in the right frontal lobe and monitors the area surrounding the catheter. This generates the concern that a fall in cerebral blood flow (CBF) and ischemic events distant to the catheter may not be detected. We aimed to investigate if there is a difference in the association between the MD parameters and CBF measured around the MD catheter compared to global cortical CBF and to CBF in the vascular territories following SAH in the early acute phase. MD catheter was placed in the right frontal lobe of 30 SAH patients, and interstitial glucose, lactate, pyruvate, glycerol, and lactate/pyruvate ratio were measured hourly. CBF measurements were performed during day 0-3 after SAH. Global cortical CBF correlated strongly with CBF around the microdialysis catheter (CBF-MD) (

Keywords: Xenon-CT; cerebral blood flow; lactate; microdialysis; subarachnoid hemorrhage

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