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呼吸性脑病是慢性高碳酸血症支气管炎时急性呼吸衰竭的一种主要征候,其神经症状与肝性脑病中所见到的相类似(肌张力增高、扑翼样震颤、意识紊乱)。作者对23例出现急性呼吸衰竭的慢性支气管炎病人,于脑病时和脑病症状消退后,应用离子交换色层分析作血浆氨基酸(AA)测定,同时作动脉血氧分压(PaO_2)、二氧化碳分压(PaCO_2)、pH 及转氨酶测定。结果当呼吸衰竭所致的脑病征候存在时,支链氨基酸/芳香氨基酸的比值(支/芳)低于正常,为2.53±0.15;在神经精神障碍消失后,支/芳上升至
Respiratory encephalopathy is a major symptom of acute respiratory failure in chronic hypercapnic bronchitis and its neurological symptoms are similar to those seen in hepatic encephalopathy (hypotonia, flapping-wing tremor, disturbance of consciousness). The author of 23 cases of chronic respiratory failure in patients with chronic bronchitis, encephalopathy and encephalopathy subsided, the application of ion exchange chromatography for plasma amino acid (AA) determination, at the same time for arterial oxygen pressure (PaO_2), carbon dioxide Pressure (PaCO 2), pH and transaminase assay. Results When the signs of encephalopathy caused by respiratory failure were present, the ratio of branched-chain amino acids to aromatic amino acids (branch / aromatic) was lower than normal, which was 2.53 ± 0.15. After the neuropsychiatric disorder disappeared, the branch / aromatic rose to