3Pauwels RA, BuistAS,Calverley PM, et al. Global strategy for the diag- nosis, management, and p revention of chronic obstructive pulmonary disease. HLBI/WHO Global Initiative for ChronicObstructive Lung Dis- ease(GOLD) Workshop Summary. Am J Resp ir Crit CareMed,2001, 163 : 1256 - 1276.
5Clini E, Sturani C, Rossi A, et al, The Italian muhieentre study on Non- invasive ventilation in chronic obstructive pulmonary disease Patients. Eur Respir J,2002,20:529-538.
7Haidl P, Clement C, Wiese C, et al. Long-term oxygen therapy stops the natural decline of endurance in COPD patients with reversible hypercapnia. Respiration,2004,71:342-347.
8Stoller JK, Panos RJ, Krachman S, et al. Oxygen therapy for patients with COPD:current evidence and the long-term oxygen treatment triM. Chest,2010,138 : 179-187.
9Chan SL, Chan-Yeung MM, Ooi GC, et al. Validation of the Hang Kong Chinese version of the St. George Respiratory Questionnaire in patients with bronchiectasis. Chest,2002,122:2030-2037.
10Corrado A, Renda T, Bertini S. Long-term oxygen therapy in COPD:evidences and open questions of current indications. Manaldi Arch Chest Dis ,2010,73:34-43.
8Ohtake Y,Tojo H, Seiki M. Multifunctional roles of MT1 -MMP inmyoflber formation and morphostatic maintenance of skeletalmuscle [J]. J Cell Sci,2006,119(Pt 18) :3822-3832.
9Martin TJ,Hovis JD,Costantlno.JP,et al.A randomized,prospective evaluation of noninvasive ventilation for acute respiratory failure[J].Am J Respir Crie Care Med,2000,161 (3ptl):807-813.
10Plant PK,Owen JL,E11iott MW.Early use of non-invasive ventilation for acute exacerbations of chronic obstructive pulmonary disease on general respiratory wards:a multicentre randomised controlled trial[J].Lancet,2000,355(9219):1931-1935.