| 1. | Keenan SP, Sinuff T, Cook DJ, et al. Which patients with acute exacerbation of chronic obstructive pulmonary disease benefit from noninvasive positive-pressure ventilation? A systematic review of the literature. Ann Intern Med, 2003 , 138: 861-870. | 
				                                                        
				                                                            
				                                                                | 2. | Hilbert G, Gruson D, Portel L, et al. Noninvasive pressure support ventilation in COPD patients with postextubation hypercapnic respiratory insufficiency. Eur Respir J, 1998, 11 : 1349 -1353. | 
				                                                        
				                                                            
				                                                                | 3. | 中華醫學會呼吸病學分會慢性阻塞性肺疾病學組. 慢性阻塞性肺疾病診治指南( 2007 年修訂版) . 中華結核和呼吸雜志, 2007 ,30: 8-17. | 
				                                                        
				                                                            
				                                                                | 4. | Díaz GG, Alcaraz AC, Talavera JC, et al. Noninvasive positivepressure ventilation to treat hypercapnic coma secondary to respiratory failure. Chest, 2005, 127: 952 -960. | 
				                                                        
				                                                            
				                                                                | 5. | Plant PK, Owen JL, Parrott S, et al. Cost effectiveness of ward based non-invasive ventilation for acute exacerbations of chronic obstructive pulmonary disease: economic analysis of randomised controlled trial.BMJ, 2003, 326: 956 . | 
				                                                        
				                                                            
				                                                                | 6. | Confalonieri M, Garuti G, Cattaruzza MS, et al. A chart of failure risk for noninvasive ventilation in patients with COPD exacerbation. Eur Respir J, 2005, 25: 348-355 . | 
				                                                        
				                                                            
				                                                                | 7. | Schettino GP, Chatmongkolchart S, Hess DR, et al. Position of exhalation port and mask design affect CO2 rebreathing during noninvasive positive pressure ventilation. Crit Care Med, 2003, 31 :2178-2182. |