Published in Respir Res on March 09, 2010
Patients with COPD with higher levels of anxiety are more physically active. Chest (2013) 1.47
Managing comorbidities in COPD. Int J Chron Obstruct Pulmon Dis (2015) 1.03
Contribution of the environment and comorbidities to chronic obstructive pulmonary disease phenotypes. Med Clin North Am (2012) 0.98
Depression, anxiety, and COPD: the unexamined role of nicotine dependence. Nicotine Tob Res (2011) 0.95
Effects of peripheral neuropathy on exercise capacity and quality of life in patients with chronic obstructive pulmonary diseases. Arch Med Sci (2012) 0.90
Modified Medical Research Council scale vs Baseline Dyspnea Index to evaluate dyspnea in chronic obstructive pulmonary disease. Int J Chron Obstruct Pulmon Dis (2015) 0.84
Subgroup analysis of symptoms and their effect on functioning, exercise capacity, and physical activity in patients with severe chronic obstructive pulmonary disease. Heart Lung (2013) 0.84
Concerns about exercise are related to walk test results in pulmonary rehabilitation for patients with COPD. Int J Behav Med (2012) 0.83
Impact of risk factors, activities and psychological disorders on the health of patients with chronic obstructive pulmonary disease in China: a cross-sectional study. BMC Public Health (2013) 0.80
Behavioral medicine approaches to chronic obstructive pulmonary disease. Ann Behav Med (2012) 0.80
Is there an association between symptoms of anxiety and depression and quality of life in patients with chronic obstructive pulmonary disease? Can Respir J (2014) 0.79
Content validity of CASA-Q cough domains and UCSD-SOBQ for use in patients with Idiopathic Pulmonary Fibrosis. Glob J Health Sci (2013) 0.79
The relationship between traits optimism and anxiety and health-related quality of life in patients hospitalized for chronic diseases: data from the SATISQOL study. Health Qual Life Outcomes (2013) 0.78
Exercise intensity self-regulation using the OMNI scale in children with cystic fibrosis. Pediatr Pulmonol (2012) 0.77
PERCEPTIONS OF CLOSE AND GROUP RELATIONSHIPS MEDIATE THE RELATIONSHIP BETWEEN ANXIETY AND DEPRESSION OVER A DECADE LATER. Depress Anxiety (2015) 0.76
Long-term Exercise After Pulmonary Rehabilitation (LEAP): Design and rationale of a randomized controlled trial of Tai Chi. Contemp Clin Trials (2015) 0.75
Interoceptive dimensions across cardiac and respiratory axes. Philos Trans R Soc Lond B Biol Sci (2016) 0.75
A randomized controlled study on assessment of health status, depression, and anxiety in coal miners with chronic obstructive pulmonary disease following yoga training. Int J Yoga (2016) 0.75
Occurrence of Anxiety and Depression among Stable COPD Patients and its Impact on Functional Capability. J Clin Diagn Res (2017) 0.75
Prevalence and correlates of suicide ideation in patients with COPD: a mixed methods study. Int J Chron Obstruct Pulmon Dis (2014) 0.75
Standardization of Spirometry, 1994 Update. American Thoracic Society. Am J Respir Crit Care Med (1995) 33.41
ATS statement: guidelines for the six-minute walk test. Am J Respir Crit Care Med (2002) 31.79
A self-complete measure of health status for chronic airflow limitation. The St. George's Respiratory Questionnaire. Am Rev Respir Dis (1992) 15.92
Reference spirometric values using techniques and equipment that meet ATS recommendations. Am Rev Respir Dis (1981) 10.89
A randomized trial comparing lung-volume-reduction surgery with medical therapy for severe emphysema. N Engl J Med (2003) 10.40
Age- and gender-related test performance in community-dwelling elderly people: Six-Minute Walk Test, Berg Balance Scale, Timed Up & Go Test, and gait speeds. Phys Ther (2002) 5.76
Health complaints, stress, and distress: exploring the central role of negative affectivity. Psychol Rev (1989) 4.72
A comparison of symptom prevalence in far advanced cancer, AIDS, heart disease, chronic obstructive pulmonary disease and renal disease. J Pain Symptom Manage (2006) 4.24
American Thoracic Society. Single-breath carbon monoxide diffusing capacity (transfer factor). Recommendations for a standard technique--1995 update. Am J Respir Crit Care Med (1995) 3.95
Life quality of patients with chronic obstructive pulmonary disease. Arch Intern Med (1982) 3.30
Standardized single breath normal values for carbon monoxide diffusing capacity. Am Rev Respir Dis (1981) 2.86
Sex differences in severe pulmonary emphysema. Am J Respir Crit Care Med (2007) 2.77
Gender and COPD in patients attending a pulmonary clinic. Chest (2005) 2.59
Validation of a new dyspnea measure: the UCSD Shortness of Breath Questionnaire. University of California, San Diego. Chest (1998) 2.57
Health-related quality of life is related to COPD disease severity. Health Qual Life Outcomes (2005) 2.42
Anxiety and depression in COPD patients: The roles of gender and disease severity. Respir Med (2006) 2.28
Quality of life and its predictors in patients with mild hypoxemia and chronic obstructive pulmonary disease. Arch Intern Med (1984) 2.07
Six-minute walk distance in chronic obstructive pulmonary disease: reproducibility and effect of walking course layout and length. Am J Respir Crit Care Med (2003) 2.03
Anxiety and depression are related to the outcome of emergency treatment in patients with obstructive pulmonary disease. Chest (2002) 1.95
Sex, depression, and risk of hospitalization and mortality in chronic obstructive pulmonary disease. Arch Intern Med (2007) 1.77
Depression, anxiety and health status after hospitalisation for COPD: a multicentre study in the Nordic countries. Respir Med (2006) 1.76
Functional impairment in COPD patients: the impact of anxiety and depression. Psychosomatics (2001) 1.66
Psychological and cognitive outcomes of a randomized trial of exercise among patients with chronic obstructive pulmonary disease. Health Psychol (1998) 1.63
Sensory and affective aspects of dyspnea contribute differentially to the Borg scale's measurement of dyspnea. Respiration (2006) 1.63
Quality of life in patients with chronic obstructive pulmonary disease and comorbid anxiety or depression. Psychosomatics (2006) 1.61
Depression and anxiety in elderly outpatients with chronic obstructive pulmonary disease: prevalence, and validation of the BASDEC screening questionnaire. Int J Geriatr Psychiatry (2000) 1.55
Interpretation of quality of life scores from the St George's Respiratory Questionnaire. Eur Respir J (2002) 1.48
Depression, anxiety comorbidity, and disability in tuberculosis and chronic obstructive pulmonary disease patients: applicability of GHQ-12. Gen Hosp Psychiatry (2001) 1.47
One session cognitive behavioural therapy for elderly patients with chronic obstructive pulmonary disease. Psychol Med (2001) 1.42
Using five questions to screen for five common mental disorders in primary care: diagnostic accuracy of the Anxiety and Depression Detector. Gen Hosp Psychiatry (2006) 1.42
Functional status and well being in chronic obstructive pulmonary disease with regard to clinical parameters and smoking: a descriptive and comparative study. Thorax (1996) 1.38
The connection between chronic obstructive pulmonary disease symptoms and hyperinflation and its impact on exercise and function. Am J Med (2006) 1.34
Improvement in mood, physical symptoms, and function with nortriptyline for depression in patients with chronic obstructive pulmonary disease. Psychosomatics (1992) 1.33
Prevalence of depression and its correlates in older adults. Am J Epidemiol (1983) 1.31
The prevalence of anxiety disorders in patients with chronic obstructive pulmonary disease. Am J Psychiatry (1990) 1.30
The association between depressive symptoms and health status in patients with chronic pulmonary disease. Gen Hosp Psychiatry (2001) 1.20
Psychiatric morbidity in patients with life-threatening asthma: initial report of a controlled study. Med J Aust (1988) 1.19
Impact of pulmonary rehabilitation on psychosocial morbidity in patients with severe COPD. Chest (2006) 1.16
Chronic obstructive pulmonary disease and symptoms related to depression in elderly persons. Psychol Rep (1995) 1.15
A randomized controlled trial of the effect of psychotherapy on anxiety and depression in chronic obstructive pulmonary disease. Arch Phys Med Rehabil (2003) 1.13
The amygdala, panic disorder, and cardiovascular responses. Ann N Y Acad Sci (2003) 1.11
Cognitive and psychological outcomes of exercise in a 1-year follow-up study of patients with chronic obstructive pulmonary disease. Health Psychol (2003) 1.06
Diagnosing depression in the hospitalized medically ill. Psychosomatics (1983) 1.05
The prevalence and correlates of anxiety symptoms in older adults. J Psychol (1984) 1.03
An explanatory model of functional status in chronic obstructive pulmonary disease. Nurs Res (1997) 1.01
Sertraline effects on dyspnea in patients with obstructive airways disease. Psychosomatics (1998) 1.01
Anxiety and depression in severe chronic obstructive pulmonary disease: the effects of pulmonary rehabilitation. J Cardiopulm Rehabil (2000) 1.00
Dyspnea in relation to symptoms of anxiety and depression: A prospective population study. Respir Med (2006) 0.99
Major depression and physical illness. Special considerations in diagnosis and biologic treatment. Psychiatr Clin North Am (1987) 0.96
Differentiation between dyspnea and its affective components. West J Nurs Res (1996) 0.93
Combined heart rate variability and pulse oximetry biofeedback for chronic obstructive pulmonary disease: preliminary findings. Appl Psychophysiol Biofeedback (2004) 0.92
High prevalence of anxiety symptoms in hospitalized geriatric patients. Int J Geriatr Psychiatry (2001) 0.90
Quality of life in severe chronic obstructive pulmonary disease: correlation with lung and muscle function. Respir Med (1998) 0.88
Psychological outcomes of an outpatient pulmonary rehabilitation program in patients with chronic obstructive pulmonary disease. Respir Med (2005) 0.85
Buspirone effect on breathlessness and exercise performance in patients with chronic obstructive pulmonary disease. Respiration (1993) 0.84
Sertraline for chronic obstructive pulmonary disease and comorbid anxiety and mood disorders. Am J Psychiatry (1995) 0.83
The catastrophic misinterpretation of physiological distress. Behav Res Ther (1999) 0.82
Emotional status does not alter exercise tolerance in patients with chronic obstructive pulmonary disease. Eur Respir J (1998) 0.81
Respiratory function, cognitions, and panic in chronic obstructive pulmonary patients. Behav Res Ther (1992) 0.80
The rating and self-rating of anxiety. Br J Psychiatry Suppl (1991) 0.80
Effects of age on physiological and psychological functioning among COPD patients in an exercise program. J Aging Health (1994) 0.78
Global strategy for the diagnosis, management, and prevention of chronic obstructive pulmonary disease: GOLD executive summary. Am J Respir Crit Care Med (2012) 22.96
An official ATS/ERS/JRS/ALAT statement: idiopathic pulmonary fibrosis: evidence-based guidelines for diagnosis and management. Am J Respir Crit Care Med (2011) 22.39
The nature of small-airway obstruction in chronic obstructive pulmonary disease. N Engl J Med (2004) 17.08
A randomized trial comparing lung-volume-reduction surgery with medical therapy for severe emphysema. N Engl J Med (2003) 10.40
Functional neuroanatomy of emotion: a meta-analysis of emotion activation studies in PET and fMRI. Neuroimage (2002) 9.66
The effects of a smoking cessation intervention on 14.5-year mortality: a randomized clinical trial. Ann Intern Med (2005) 8.86
Azithromycin for prevention of exacerbations of COPD. N Engl J Med (2011) 8.66
Genetic epidemiology of COPD (COPDGene) study design. COPD (2010) 7.67
An official American Thoracic Society/European Respiratory Society statement: Update of the international multidisciplinary classification of the idiopathic interstitial pneumonias. Am J Respir Crit Care Med (2013) 6.82
Acute exacerbations of idiopathic pulmonary fibrosis. Am J Respir Crit Care Med (2007) 6.71
Prednisone, azathioprine, and N-acetylcysteine for pulmonary fibrosis. N Engl J Med (2012) 6.51
An Official ATS/ERS/JRS/ALAT Clinical Practice Guideline: Treatment of Idiopathic Pulmonary Fibrosis. An Update of the 2011 Clinical Practice Guideline. Am J Respir Crit Care Med (2015) 6.03
Efficacy of esomeprazole for treatment of poorly controlled asthma. N Engl J Med (2009) 5.90
Patients at high risk of death after lung-volume-reduction surgery. N Engl J Med (2001) 5.76
Pulmonary arterial enlargement and acute exacerbations of COPD. N Engl J Med (2012) 5.54
Idiopathic pulmonary fibrosis: clinically meaningful primary endpoints in phase 3 clinical trials. Am J Respir Crit Care Med (2012) 5.33
Pulmonary Rehabilitation: Joint ACCP/AACVPR Evidence-Based Clinical Practice Guidelines. Chest (2007) 5.01
International guidelines for the selection of lung transplant candidates: 2006 update--a consensus report from the Pulmonary Scientific Council of the International Society for Heart and Lung Transplantation. J Heart Lung Transplant (2006) 4.95
The neurocircuitry of fear, stress, and anxiety disorders. Neuropsychopharmacology (2010) 4.82
Lung volumes and emphysema in smokers with interstitial lung abnormalities. N Engl J Med (2011) 4.75
Analysis of the lung microbiome in the "healthy" smoker and in COPD. PLoS One (2011) 4.65
An official American Thoracic Society/European Respiratory Society statement: key concepts and advances in pulmonary rehabilitation. Am J Respir Crit Care Med (2013) 4.49
Nonstationary cluster-size inference with random field and permutation methods. Neuroimage (2004) 4.41
Randomized comparison of strategies for reducing treatment in mild persistent asthma. N Engl J Med (2007) 4.40
Roflumilast in moderate-to-severe chronic obstructive pulmonary disease treated with longacting bronchodilators: two randomised clinical trials. Lancet (2009) 4.40
Mechanisms of pulmonary fibrosis. Annu Rev Med (2004) 4.37
Roflumilast in symptomatic chronic obstructive pulmonary disease: two randomised clinical trials. Lancet (2009) 4.29
Predicting mortality and healthcare utilization with a single question. Health Serv Res (2005) 4.19
Chronic obstructive pulmonary disease phenotypes: the future of COPD. Am J Respir Crit Care Med (2010) 4.19
NADPH oxidase-4 mediates myofibroblast activation and fibrogenic responses to lung injury. Nat Med (2009) 4.05
A Randomized Trial of Long-Term Oxygen for COPD with Moderate Desaturation. N Engl J Med (2016) 3.99
GOLD 2011 disease severity classification in COPDGene: a prospective cohort study. Lancet Respir Med (2012) 3.98
Idiopathic nonspecific interstitial pneumonia: report of an American Thoracic Society project. Am J Respir Crit Care Med (2008) 3.97
Association of radiographic emphysema and airflow obstruction with lung cancer. Am J Respir Crit Care Med (2008) 3.94
Valence, gender, and lateralization of functional brain anatomy in emotion: a meta-analysis of findings from neuroimaging. Neuroimage (2003) 3.76
Predictors of mortality in patients with emphysema and severe airflow obstruction. Am J Respir Crit Care Med (2006) 3.71
Comparison of the respiratory microbiome in healthy nonsmokers and smokers. Am J Respir Crit Care Med (2013) 3.65
Simvastatin for the prevention of exacerbations in moderate-to-severe COPD. N Engl J Med (2014) 3.51
Lansoprazole for children with poorly controlled asthma: a randomized controlled trial. JAMA (2012) 3.40
The contextual brain: implications for fear conditioning, extinction and psychopathology. Nat Rev Neurosci (2013) 3.36
Outcomes of noninvasive ventilation for acute exacerbations of chronic obstructive pulmonary disease in the United States, 1998-2008. Am J Respir Crit Care Med (2011) 3.33
Chronic obstructive pulmonary disease exacerbations in the COPDGene study: associated radiologic phenotypes. Radiology (2011) 3.30
The minimal important difference in the 6-minute walk test for patients with pulmonary arterial hypertension. Am J Respir Crit Care Med (2012) 3.24
Idiopathic interstitial pneumonia: what is the effect of a multidisciplinary approach to diagnosis? Am J Respir Crit Care Med (2004) 2.97
Computed tomography-based biomarker provides unique signature for diagnosis of COPD phenotypes and disease progression. Nat Med (2012) 2.95
Negative regulation of myofibroblast differentiation by PTEN (Phosphatase and Tensin Homolog Deleted on chromosome 10). Am J Respir Crit Care Med (2005) 2.86
Club cell protein 16 and disease progression in chronic obstructive pulmonary disease. Am J Respir Crit Care Med (2013) 2.82
Gender and chronic obstructive pulmonary disease: why it matters. Am J Respir Crit Care Med (2007) 2.80
Biological studies of post-traumatic stress disorder. Nat Rev Neurosci (2012) 2.78
Sex differences in severe pulmonary emphysema. Am J Respir Crit Care Med (2007) 2.77
Spirometry utilization for COPD: how do we measure up? Chest (2007) 2.77
Prognostic implications of physiologic and radiographic changes in idiopathic interstitial pneumonia. Am J Respir Crit Care Med (2003) 2.71
Sensitivity of hepatitis C virus to cyclosporine A depends on nonstructural proteins NS5A and NS5B. Hepatology (2007) 2.70
Predictors of rehospitalization and death after a severe exacerbation of COPD. Chest (2007) 2.67
Egr-1 regulates autophagy in cigarette smoke-induced chronic obstructive pulmonary disease. PLoS One (2008) 2.67
Neural correlates of individual ratings of emotional salience: a trial-related fMRI study. Neuroimage (2004) 2.66
Acellular normal and fibrotic human lung matrices as a culture system for in vitro investigation. Am J Respir Crit Care Med (2012) 2.65
Maternal vitamin A supplementation and lung function in offspring. N Engl J Med (2010) 2.61
Antidepressant adherence and risk of coronary artery disease hospitalizations in older and younger adults with depression. J Am Geriatr Soc (2014) 2.61
A combinatorial F box protein directed pathway controls TRAF adaptor stability to regulate inflammation. Nat Immunol (2013) 2.60
Radiographic emphysema predicts low bone mineral density in a tobacco-exposed cohort. Am J Respir Crit Care Med (2010) 2.60
Long-term follow-up of patients receiving lung-volume-reduction surgery versus medical therapy for severe emphysema by the National Emphysema Treatment Trial Research Group. Ann Thorac Surg (2006) 2.53
Comprehensive gene expression profiles reveal pathways related to the pathogenesis of chronic obstructive pulmonary disease. Proc Natl Acad Sci U S A (2004) 2.42
Idiopathic pulmonary fibrosis: prognostic value of changes in physiology and six-minute-walk test. Am J Respir Crit Care Med (2006) 2.37
Fibroblastic foci in usual interstitial pneumonia: idiopathic versus collagen vascular disease. Am J Respir Crit Care Med (2003) 2.35
Clinical predictors of a diagnosis of idiopathic pulmonary fibrosis. Am J Respir Crit Care Med (2010) 2.20
Exacerbations of chronic obstructive pulmonary disease. Proc Am Thorac Soc (2007) 2.19
Prevalence and clinical correlates of bronchoreversibility in severe emphysema. Eur Respir J (2009) 2.18
Improvements in symptom-limited exercise performance over 8 h with once-daily tiotropium in patients with COPD. Chest (2005) 2.15
Medial frontal cortex activity and loss-related responses to errors. J Neurosci (2006) 2.15
Relationship between quantitative CT metrics and health status and BODE in chronic obstructive pulmonary disease. Thorax (2012) 2.15
The relationship between pulmonary emphysema and kidney function in smokers. Chest (2012) 2.13
Functional neuroimaging studies of human emotions. CNS Spectr (2004) 2.12
Prognostic value of desaturation during a 6-minute walk test in idiopathic interstitial pneumonia. Am J Respir Crit Care Med (2003) 2.10
Automated lung segmentation in X-ray computed tomography: development and evaluation of a heuristic threshold-based scheme. Acad Radiol (2003) 2.10
Hydrogen peroxide is a diffusible paracrine signal for the induction of epithelial cell death by activated myofibroblasts. FASEB J (2005) 2.09
Spirometric predictors of lung function decline and mortality in early chronic obstructive pulmonary disease. Am J Respir Crit Care Med (2012) 2.09