Jul 1, 1976

Statistical analysis of cerebrospinal fluid acid-base equilibrium and cerebrospinal fluid lactate concentration in cases of brain tumors, cerebrocranial injuries and meningoencephalitis

Neurologia i neurochirurgia polska
Z CzernickiJ Korsak-Sliwka


A statistical analysis of CSF lactate concentration and CSF pH and PCO2 was performed. The values were obtained from 211 samples taken from 76 neurosurgical patients. The values of pH and pCO2 were classified in three groups corresponding to the following three ranges of lactate concentration: below 15 mg%, 15-30 mg%, over 30 mg%. The mean values and standard deviations were calculated: suitable tests: F, t (Student), C (Cochran and Cox) were used. It was established, that statistically significant changes of CSF acid-base balance were present at lactate levels over 30 mg%. Next, the patients with lactate concentrations over 30 mg% were analysed. They were divided into three groups according to etiology: inflammatory changes, injuries, tumours. It was shown, that the CSF acid-base balance in patients with brain tumours is less disturbed then in patients with inflammatory changes or brain injury.

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Mentioned in this Paper

Brain Injuries
Mild Traumatic Brain Injury
Evaluation of Acid-base Balance
Cerebrospinal Fluid pH
D-lactate Measurement
Tumor Lysis Syndrome
Cerebrospinal Fluid

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