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目的：探讨慢性阻塞性肺病（COPD）患者高碳酸血症的临床意义。方法：根据高碳酸血症的发生机理和伴随因素对180例次伴高碳酸血症的COPD患者其酸碱血气测试结果分型研究。结果：各型相互间主要的酸碱血气指标变化有明显的差异，提示它们各有自己的特征，可成为相对独立的型。结论：从各型的发生原因和发生率来看，提示明显临床呼衰的氧疗、纠酸补碱、改善通气等措施的采用尚有改进的余地。
Objective: To investigate the clinical significance of hypercapnia in patients with chronic obstructive pulmonary disease (COPD). Methods: According to the pathogenesis of hypercapnia and its accompanying factors, 180 cases of COPD patients with hypocapnia were studied by their acid-base blood gas test results. Results: There was a significant difference in the change of major acid-base blood gas indexes among various types, suggesting that each of them had its own characteristics and could become relatively independent. Conclusion: From the causes and incidence of various types, there are room for improvement in the adoption of measures such as oxygen therapy, correction of acid and alkali, and improvement of ventilation for clinical respiratory failure.