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用气相色谱法探讨脑瘤、脑外伤患者和正常人脑脊液中乳酸的浓度。采用 3mm× 1m不锈钢柱 ,填充涂渍为 15%聚乙二醇丁二酸酯。结果表明 :脑瘤患者 ( 2 .5± 0 .7mmol/ L)和脑外伤患者 ( 9.2± 1.7mmol/ L)脑脊液中乳酸含量与正常值 ( 1.7± 0 .9mmol/ L )比较均相差非常显著 ( P <0 .0 1)
The concentration of lactic acid in cerebrospinal fluid of patients with brain tumor, traumatic brain injury and normal subjects was studied by gas chromatography. Using 3mm × 1m stainless steel column, filled with a coating of 15% polyethylene glycol succinate. The results showed that there was a significant difference in the content of lactic acid between cerebrospinal fluid (2. 5 ± 0. 7mmol / L) and traumatic brain injury (9.2 ± 1.7mmol / L) compared with normal (1.7 ± 0.9mmol / L) (P <0 .0 1)