2GOLD Executive Committee[DB/OL].Guidelines:Global Strategy for Diagnosis,Management,and Prevention of COPD,November 2006[2006-11-18].http://www.goldcopd.com/Guidelineitem.asp? l1 =2-12 = 1&intId =989.
3Celli BR,MacNee W,Committee members.Standard for the diagnosis and treatment of patients with COPD:a summary of the ATS/ERS position paper.Eur Respir J,2004,23:932-946.
4Celli BR,Cote CG,Marin JM,ct al.The body mass index,airflow obstruction,dyspnea and exercise capacity index in chronic obstructive pulmonary disease.N Engl J Med,2004,350:1005-1012.
6Brenes GA.Anxiety and chronic obstructive pulmonary disease:prevalence,impact,and treatment.Psychosom Med,2003,65:963-970.
7Chetta A,Foresi A,Marangio E,et al.Psychological implications of respiratory health and disease.Respiration,2005,72:210-215.
8Kunik ME,Roudy K,Veazey C,et al.Surprisingly high prevalence of anxiety and depression in chronic breathing disorders.Chest,2005,127:1205-1211.
9van Ede L,Yzermans C J,Brouwer HJ.Prevalence of depression in patients with chronic obstructive pulmonary disease:a systematic review.Thorax,1999,54:688-692.
10Di Marco F,Verga M,Reggente M,et al.Anxiety and depression in COPD patients:the roles of gender and disease severity.Respir Med,2006,100:1767-1774.
7Mikkelsen RL, Middelboe T, Pisinger C, et al. Anxiety and de- pression in patients with chronic obstructive pulmonary(COPD) [J]. Nord J Psychiatry,2004,58 (1) :65.
8Lacasse Y, Rousseau L, Maltais F. Prevalence of depressive symptoms and depression in patients with severe oxygen depend- ent chronic obstructive pulmonary disease[ J]. J Cardiopulm Re- habil,2001,21 (2) :80.