Glucose and Lactate Concentrations in Cerebrospinal Fluid After Traumatic Brain Injury.
Journal
Journal of neurosurgical anesthesiology
ISSN: 1537-1921
Titre abrégé: J Neurosurg Anesthesiol
Pays: United States
ID NLM: 8910749
Informations de publication
Date de publication:
Apr 2020
Apr 2020
Historique:
pubmed:
21
3
2019
medline:
15
12
2020
entrez:
21
3
2019
Statut:
ppublish
Résumé
Studies in which brain metabolism has been monitored using microdialysis have indicated decreases in cerebral glucose concentration and increases in lactate concentration in patients with traumatic brain injury (TBI). However, few data are available on glucose and lactate concentrations in the cerebrospinal fluid (CSF) of TBI patients. This study investigates the relationship between CSF glucose and lactate concentrations and outcomes after TBI. Consecutive adult (>18 y) TBI patients were admitted to our 35-bed medicosurgical between 2011 and 2014 and were included in the study if they met the following inclusion criteria: presence of an external ventricular drain (EVD) for intracranial pressure monitoring, daily analysis of CSF glucose and lactate concentrations for 4 consecutive days, and concomitant measurements of blood glucose/lactate concentrations. Neurological outcome was assessed at 3 months using the extended Glasgow Outcome Scale (GOS), and unfavorable outcome defined as a GOS 1 to 4. Of 151 TBI patients who had an EVD, 56 met the inclusion criteria. Most EVDs were placed on the day of intensive care unit admission, and maintained for 10 (interquartile range: 6 to 14) days. On day 1, there was a weak but significant correlation between blood and CSF glucose concentrations (R=0.07, P=0.04), and a greater correlation between blood and CSF lactate (R=0.32, P<0.001). In multivariable analysis, day 1 CSF glucose/lactate ratio was independently associated with mortality (odds ratio: 0.22, 95% confidence interval: 0.08-0.61; P=0.003), and day 1 CSF lactate concentration with unfavorable outcome (odds ratio: 4.86; 95% confidence interval: 1.86-12.67; P=0.001). Low CSF glucose/lactate ratio is observed in nonsurvivors after severe TBI and may have prognostic value.
Sections du résumé
BACKGROUND
BACKGROUND
Studies in which brain metabolism has been monitored using microdialysis have indicated decreases in cerebral glucose concentration and increases in lactate concentration in patients with traumatic brain injury (TBI). However, few data are available on glucose and lactate concentrations in the cerebrospinal fluid (CSF) of TBI patients. This study investigates the relationship between CSF glucose and lactate concentrations and outcomes after TBI.
METHODS
METHODS
Consecutive adult (>18 y) TBI patients were admitted to our 35-bed medicosurgical between 2011 and 2014 and were included in the study if they met the following inclusion criteria: presence of an external ventricular drain (EVD) for intracranial pressure monitoring, daily analysis of CSF glucose and lactate concentrations for 4 consecutive days, and concomitant measurements of blood glucose/lactate concentrations. Neurological outcome was assessed at 3 months using the extended Glasgow Outcome Scale (GOS), and unfavorable outcome defined as a GOS 1 to 4.
RESULTS
RESULTS
Of 151 TBI patients who had an EVD, 56 met the inclusion criteria. Most EVDs were placed on the day of intensive care unit admission, and maintained for 10 (interquartile range: 6 to 14) days. On day 1, there was a weak but significant correlation between blood and CSF glucose concentrations (R=0.07, P=0.04), and a greater correlation between blood and CSF lactate (R=0.32, P<0.001). In multivariable analysis, day 1 CSF glucose/lactate ratio was independently associated with mortality (odds ratio: 0.22, 95% confidence interval: 0.08-0.61; P=0.003), and day 1 CSF lactate concentration with unfavorable outcome (odds ratio: 4.86; 95% confidence interval: 1.86-12.67; P=0.001).
CONCLUSIONS
CONCLUSIONS
Low CSF glucose/lactate ratio is observed in nonsurvivors after severe TBI and may have prognostic value.
Identifiants
pubmed: 30893283
doi: 10.1097/ANA.0000000000000582
pii: 00008506-202004000-00010
doi:
Substances chimiques
Lactic Acid
33X04XA5AT
Glucose
IY9XDZ35W2
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
162-169Références
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