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目的研究无创正压通气(NIPPV)治疗慢性阻塞性肺疾病(COPD)急性加重期并发II型呼吸衰竭临床效果。方法1999年1月-2005年6月呼吸内科68例住院患者,观察组(NIPPV)33例患者,对照组(非NIPPV组)35例。观察33例NIPPV治疗慢性阻塞性肺疾病急性加重期并发Ⅱ型呼吸衰竭患者的血气分析指标变化(pH值,PaO2,PaCO2),住院病程,气管插管率和病死率,并同未使用NIPPV治疗的35例COPD相似病例进行比较分析。结果33例NIPPV治疗后血气分析各项指标较治疗前有明显改善,住院病程缩短,气管插管率和住院率明显降低,同非NIPPV治疗的对照组比较有显著差异性。结论NIPPV治疗是慢性阻塞性肺疾病急性加重期并发II型呼吸衰竭的一种有效方法,早期应用可能阻止病情的进一步发展,缩短病程。
Objective To investigate the clinical effect of noninvasive positive pressure ventilation (NIPPV) on type II respiratory failure in patients with acute exacerbation of chronic obstructive pulmonary disease (COPD). Methods From January 1999 to June 2005, 68 hospitalized patients in respiratory medicine, 33 patients in observation group (NIPPV) and 35 patients in control group (non-NIPPV group) were enrolled. Thirty-three patients with NIPPV were enrolled in this study. Changes in blood gas analysis parameters (pH, PaO2, PaCO2), duration of hospitalization, endotracheal intubation and mortality were evaluated in patients with acute exacerbation of chronic obstructive pulmonary disease (COPD) and type Ⅱ respiratory failure. 35 cases of COPD similar cases for comparative analysis. Results The indexes of blood gas analysis in 33 cases after NIPPV treatment were significantly improved compared with that before treatment. The course of hospitalization was shortened, the tracheal intubation rate and hospitalization rate were significantly decreased, which were significantly different from those of non-NIPPV-treated control group. Conclusion NIPPV treatment is an effective method to treat type II respiratory failure in patients with acute exacerbation of chronic obstructive pulmonary disease. Early application may prevent the further development of the disease and shorten the course of the disease.