2Maurer J, Rabbapragada V, Borsen S, c- al. Anxiety and depres- sion in COPD: current understanding, unanswered questions, and research needs [ J ]. Chest,2008,134 (4) :43 s - 56s.
3Sehane RE, Woodruff PG, Dinno A, et al. Prevalence and risk fac- tors for depression syndrome in persons with chronic obstructive pul- monary disease[J]. J Gen intern Med,2008,23( 11 ) :1757 -62.
4Fan VS, Ramsey SD, Giardino ND, et al. Sex, depression, and risk of hospitalization and mortality in chronic obstructive pulmonary disease[ J]. Arch Intern Med,2007,167 (21) :2345 - 53.
5Hill K, Geist R, Goldstein RS, et al. Anxiety and depression in end-stage COPD[J]. Eur Respir J,2008,31 (3) :667 -77.
6Goodwin RD, Zvolensky M J, Keyes KM, et al. Nicotine depend- ence and mental disorders among adults in the USA: evaluating the role of the mode of administration[ J ]. Psychol Med, 2008,38 (9) : 1277 - 86.
7Eisner MD,Blanc PD,Yelin EH, et al. The influence of anxiety on health outcomes in COPD[ J]. Thorax,2010,65 (3) :229 - 34.
8de Voogd JN, Sanderman R, Postema K, et al. Relationship tween anxiety and dyspnea on exertion in patients with chronic structive pulmonary disease [ J ]. Anxiety Stress Coping, 2011 (4) :439 -49.
9Laurin C,l-abreeque M, Dupuis G, et al. Chronic obstructive pul nary disease patients with psychiatric disorders are at greater risk exacerbations [ J ]. Psychosomatic Medicine, 2009 ; 71 ( 6 ) :667 -4.
10Xu W, Collet JP,Shapiro S, et al. Independent effect of depress and anxiety on chronic obstructive pulmonary disease exacerbati and hospitalizations[J]. Am J Respir Ctit Care Med, 2008, l (9) : 913 -20.
7Pauwels RA, Buist AS, Calverley PMA,et al. Global strategy for the diagonosis, management and prevention of chronic obstructive pulmonary disease[J]. Am J Respir Crit Care Med , 2001,163.. 1256 - 1276.
8Antonelli- Incalzi R, Corsonello A,Pedone C. et al. Drawing im- pairment predicts mortality in severe COPD[J]. Chest, 2006,130: 1687 - 1694.
9Ozge C, Ozge A, Unal O. Cognitive and functional deterioration in patients with severe COPD[J]. Behav Neurol, 2006,17 ( 2 ) : 121 - 130.
10Dodd JW, Getovsv, Jones PW. Cognitive function in COPD[J]. Eur Respir,2010,35(4) :913 - 922.
