Published in Am Rev Respir Dis on June 01, 1992
Withdrawal of Inhaled Corticosteroids in Patients With COPD in Primary Care | NCT00440687
Treatment With AKL1 in Obstructive Airways Disease (The TAKL Study) (TAKL) | NCT00920127
What is an Important Change in the Short Physical Performance Battery (SPPB)? | NCT01649193
Clinical Trial of Chinese Herbal Medicine for Idiopathic Pulmonary Fibrosis (IPF) | NCT03274544
Improving Psychosocial Well-being in COPD Patients in Rehabilitation (IMPROVE) | NCT03470025
Novel Pulmonary Imaging of Lung Structure and Function in E-cigarette Smokers | NCT04616313
BTS guidelines for the management of chronic obstructive pulmonary disease. The COPD Guidelines Group of the Standards of Care Committee of the BTS. Thorax (1997) 9.69
Usefulness of the Medical Research Council (MRC) dyspnoea scale as a measure of disability in patients with chronic obstructive pulmonary disease. Thorax (1999) 8.63
Health outcomes following treatment for six months with once daily tiotropium compared with twice daily salmeterol in patients with COPD. Thorax (2003) 4.53
Development, validity and responsiveness of the Clinical COPD Questionnaire. Health Qual Life Outcomes (2003) 4.41
The NHLBI lymphangioleiomyomatosis registry: characteristics of 230 patients at enrollment. Am J Respir Crit Care Med (2005) 4.15
GOLD 2011 disease severity classification in COPDGene: a prospective cohort study. Lancet Respir Med (2012) 3.98
Randomised comparison of guided self management and traditional treatment of asthma over one year. BMJ (1996) 3.79
How well do we care for patients with end stage chronic obstructive pulmonary disease (COPD)? A comparison of palliative care and quality of life in COPD and lung cancer. Thorax (2000) 3.75
Predictors of mortality in patients with emphysema and severe airflow obstruction. Am J Respir Crit Care Med (2006) 3.71
Gender differences in airway behaviour over the human life span. Thorax (1999) 3.52
Health status measurement in chronic obstructive pulmonary disease. Thorax (2001) 3.07
Development of a symptom specific health status measure for patients with chronic cough: Leicester Cough Questionnaire (LCQ). Thorax (2003) 2.93
Effect of exacerbations on quality of life in patients with chronic obstructive pulmonary disease: a 2 year follow up study. Thorax (2004) 2.78
A placebo-controlled, randomized trial of mesenchymal stem cells in COPD. Chest (2013) 2.71
Lung volume reduction surgery since the National Emphysema Treatment Trial: study of Society of Thoracic Surgeons Database. J Thorac Cardiovasc Surg (2014) 2.64
Health-related quality of life is related to COPD disease severity. Health Qual Life Outcomes (2005) 2.42
Effect of oxygen on recovery from maximal exercise in patients with chronic obstructive pulmonary disease. Thorax (2004) 2.40
Anxiety and depression in COPD: current understanding, unanswered questions, and research needs. Chest (2008) 2.37
Glasgow supported self-management trial (GSuST) for patients with moderate to severe COPD: randomised controlled trial. BMJ (2012) 2.33
Comparison of outcome measures for patients with chronic obstructive pulmonary disease (COPD) in an outpatient setting. Thorax (1997) 2.32
The clinical features of the overlap between COPD and asthma. Respir Res (2011) 2.29
Inhaled colistin in patients with bronchiectasis and chronic Pseudomonas aeruginosa infection. Am J Respir Crit Care Med (2014) 2.28
An empirical comparison of the St George's Respiratory Questionnaire (SGRQ) and the Chronic Respiratory Disease Questionnaire (CRQ) in a clinical trial setting. Thorax (1999) 2.15
Prednisolone response in patients with chronic obstructive pulmonary disease: results from the ISOLDE study. Thorax (2003) 2.11
Time course of recovery of health status following an infective exacerbation of chronic bronchitis. Thorax (2003) 2.11
Distinct quantitative computed tomography emphysema patterns are associated with physiology and function in smokers. Am J Respir Crit Care Med (2013) 2.09
Survival after lung volume reduction in chronic obstructive pulmonary disease: insights from small airway pathology. Am J Respir Crit Care Med (2007) 2.04
Determinants of health-related quality of life in patients with chronic obstructive pulmonary disease. Thorax (1996) 1.94
Comparison of health-related quality of life measures in chronic obstructive pulmonary disease. Health Qual Life Outcomes (2011) 1.94
Screening older patients for obstructive airways disease in a semi-rural practice. Thorax (1999) 1.94
Exacerbation rate, health status and mortality in COPD--a review of potential interventions. Int J Chron Obstruct Pulmon Dis (2009) 1.85
Reliability and validity of the chronic respiratory questionnaire (CRQ). Thorax (1994) 1.84
Pulmonary function abnormalities in HIV-infected patients during the current antiretroviral therapy era. Am J Respir Crit Care Med (2010) 1.81
The role of CT scanning in multidimensional phenotyping of COPD. Chest (2011) 1.81
Spirometry and health status worsen with weight gain in obese smokers but improve in normal-weight smokers. Am J Respir Crit Care Med (2014) 1.77
Validity of six activity monitors in chronic obstructive pulmonary disease: a comparison with indirect calorimetry. PLoS One (2012) 1.77
Tiotropium for stable chronic obstructive pulmonary disease: A meta-analysis. Thorax (2006) 1.76
Stepping down inhaled corticosteroids in asthma: randomised controlled trial. BMJ (2003) 1.76
The prevalence of quadriceps weakness in COPD and the relationship with disease severity. Eur Respir J (2009) 1.71
Asthma in the elderly: Current understanding and future research needs--a report of a National Institute on Aging (NIA) workshop. J Allergy Clin Immunol (2011) 1.69
Quality of life in patients with chronic obstructive pulmonary disease and severe hypoxaemia. Thorax (1996) 1.69
Predictors of chronic obstructive pulmonary disease exacerbation reduction in response to daily azithromycin therapy. Am J Respir Crit Care Med (2014) 1.68
Moxifloxacin versus amoxicillin/clavulanic acid in outpatient acute exacerbations of COPD: MAESTRAL results. Eur Respir J (2011) 1.68
Patient-reported outcomes in cystic fibrosis. Proc Am Thorac Soc (2007) 1.63
Pulmonary rehabilitation in chronic respiratory insufficiency. 7. Health-related quality of life among patients with chronic obstructive pulmonary disease. Thorax (1994) 1.63
Lung volume reduction coil treatment for patients with severe emphysema: a European multicentre trial. Thorax (2014) 1.62
Characterisation of phenotypes based on severity of emphysema in chronic obstructive pulmonary disease. Thorax (2007) 1.61
Impact of Prolonged Exacerbation Recovery in Chronic Obstructive Pulmonary Disease. Am J Respir Crit Care Med (2015) 1.57
A randomised controlled crossover trial of nurse practitioner versus doctor led outpatient care in a bronchiectasis clinic. Thorax (2002) 1.56
Exercise training and inspiratory muscle training in patients with bronchiectasis. Thorax (2005) 1.55
Health-related quality of life in patients with pulmonary arterial hypertension. Respir Res (2005) 1.55
Activity monitoring and energy expenditure in COPD patients: a validation study. COPD (2007) 1.54
Pilot study of a cell phone-based exercise persistence intervention post-rehabilitation for COPD. Int J Chron Obstruct Pulmon Dis (2009) 1.53
Relationship between FEV1 change and patient-reported outcomes in randomised trials of inhaled bronchodilators for stable COPD: a systematic review. Respir Res (2011) 1.51
Efficacy and safety of tiotropium Respimat SMI in COPD in two 1-year randomized studies. Int J Chron Obstruct Pulmon Dis (2010) 1.51
Stable chronic obstructive pulmonary disease. BMJ (1999) 1.50
Quantification of dyspnoea using descriptors: development and initial testing of the Dyspnoea-12. Thorax (2009) 1.50
Negative impact of chronic obstructive pulmonary disease on the health-related quality of life of patients. Results of the EPIDEPOC study. Health Qual Life Outcomes (2006) 1.49
Chronic obstructive pulmonary disease . 7: Management of COPD. Thorax (2003) 1.47
Beyond FEV₁ in COPD: a review of patient-reported outcomes and their measurement. Int J Chron Obstruct Pulmon Dis (2012) 1.47
Effect of tiotropium on health-related quality of life as a primary efficacy endpoint in COPD. Int J Chron Obstruct Pulmon Dis (2008) 1.46
Relationship of obesity with respiratory symptoms and decreased functional capacity in adults without established COPD. Prim Care Respir J (2012) 1.45
Validation of the clinical COPD Questionnaire (CCQ) in primary care. Health Qual Life Outcomes (2009) 1.43
Radiological correlates and clinical implications of the paradoxical lung function response to β₂ agonists: an observational study. Lancet Respir Med (2014) 1.41
Religious and spiritual coping and quality of life among patients with emphysema in the National Emphysema Treatment Trial. Respir Care (2011) 1.40
A randomized controlled trial to assess the efficacy of tiotropium in Canadian patients with chronic obstructive pulmonary disease. Can Respir J (2007) 1.40
Directly measured secondhand smoke exposure and COPD health outcomes. BMC Pulm Med (2006) 1.39
Exacerbation frequency and course of COPD. Int J Chron Obstruct Pulmon Dis (2012) 1.38
Long term benefits of rehabilitation at home on quality of life and exercise tolerance in patients with chronic obstructive pulmonary disease. Thorax (1995) 1.35
Mortality in COPD patients discharged from hospital: the role of treatment and co-morbidity. Respir Res (2006) 1.33
Outcome measures in chronic obstructive pulmonary disease (COPD): strengths and limitations. Respir Res (2010) 1.31
CESAR: conventional ventilatory support vs extracorporeal membrane oxygenation for severe adult respiratory failure. BMC Health Serv Res (2006) 1.31
Sleep quality predicts quality of life in chronic obstructive pulmonary disease. Int J Chron Obstruct Pulmon Dis (2010) 1.24
Psychosocial risk factors for hospital readmission in COPD patients on early discharge services: a cohort study. BMC Pulm Med (2011) 1.22
The effects of a telehealth coping skills intervention on outcomes in chronic obstructive pulmonary disease: primary results from the INSPIRE-II study. Psychosom Med (2014) 1.20
Longer term exposure to secondhand smoke and health outcomes in COPD: impact of urine 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanol. Nicotine Tob Res (2009) 1.20
Impact of frequency of COPD exacerbations on pulmonary function, health status and clinical outcomes. Int J Chron Obstruct Pulmon Dis (2009) 1.19
Expression of ErbB receptors and mucins in the airways of long term current smokers. Thorax (2004) 1.18
Reliability and validity of the multidimensional dyspnea profile. Chest (2012) 1.18
Addition of salmeterol to existing treatment in patients with COPD: a 12 month study. Thorax (2006) 1.18
Does the multidimensional grading system (BODE) correspond to differences in health status of patients with COPD? Int J Chron Obstruct Pulmon Dis (2006) 1.18
Palliative care in chronic obstructive pulmonary disease: a review for clinicians. J R Soc Med (2007) 1.18
Primary ciliary dyskinesia (Siewert's/Kartagener's syndrome): respiratory symptoms and psycho-social impact. BMC Pulm Med (2003) 1.17
Soluble receptor for advanced glycation end products in COPD: relationship with emphysema and chronic cor pulmonale: a case-control study. Respir Res (2011) 1.15
Characterization of outcomes 1 year after endoscopic thermal vapor ablation for patients with heterogeneous emphysema. Int J Chron Obstruct Pulmon Dis (2012) 1.15
A randomized trial to improve communication about end-of-life care among patients with COPD. Chest (2011) 1.15
Prevalence and correlations with depression, anxiety, and other features in outpatients with chronic obstructive pulmonary disease in China: a cross-sectional case control study. BMC Pulm Med (2012) 1.14
Asthma diagnosis and airway bronchodilator response in HIV-infected patients. J Allergy Clin Immunol (2011) 1.13
Using Telehealth technology to deliver pulmonary rehabilitation in chronic obstructive pulmonary disease patients. Can Respir J (2011) 1.12
Ciprofloxacin dry powder for inhalation in non-cystic fibrosis bronchiectasis: a phase II randomised study. Eur Respir J (2012) 1.11
The severity of airways obstruction as a determinant of treatment response in COPD. Int J Chron Obstruct Pulmon Dis (2006) 1.11
Quality control in microarray assessment of gene expression in human airway epithelium. BMC Genomics (2009) 1.10
Systemic Inflammation in Older Adults With Asthma-COPD Overlap Syndrome. Allergy Asthma Immunol Res (2014) 1.10
A prospective study of decline in fat free mass and skeletal muscle strength in chronic obstructive pulmonary disease. Respir Res (2007) 1.10
Influence of delay on survival in patients with breast cancer: a systematic review. Lancet (1999) 13.10
The St George's Respiratory Questionnaire. Respir Med (1991) 8.49
Factors predicting delayed presentation of symptomatic breast cancer: a systematic review. Lancet (1999) 5.58
Evaluating computerized health information systems: hardware, software and human ware: experiences from the Northern Province, South Africa. J Public Health Med (1999) 3.80
Development and application of a generic methodology to assess the quality of clinical guidelines. Int J Qual Health Care (1999) 3.62
Cumulative risk adjusted mortality chart for detecting changes in death rate: observational study of heart surgery. BMJ (1998) 3.62
Appraising clinical practice guidelines in England and Wales: the development of a methodologic framework and its application to policy. Jt Comm J Qual Improv (1999) 2.21
Relation between a career and family life for English hospital consultants: qualitative, semistructured interview study. BMJ (2000) 2.04
Newborn screening for inborn errors of metabolism: a systematic review. Health Technol Assess (1997) 1.86
Satisfaction with clinical nurse specialists in a breast care clinic: questionnaire survey. BMJ (1998) 1.66
Relationships between general health measured with the sickness impact profile and respiratory symptoms, physiological measures, and mood in patients with chronic airflow limitation. Am Rev Respir Dis (1989) 1.56
The NHS: assessing new technologies, NICE and value for money. Clin Med (2011) 1.40
What drives junior doctors to use clinical practice guidelines? A national cross-sectional survey of foundation doctors in England & Wales. BMC Med Educ (2015) 1.40
An evaluation of the prevalent round of the breast screening programme in south east Thames, 1988-1993: achievement of quality standards and population impact. J Med Screen (1996) 1.36
Asthma health status measurement in clinical practice: validity of a new short and simple instrument. Respir Med (1998) 1.33
Appraising clinical guidelines: towards a "which" guide for purchasers. Qual Health Care (1994) 1.32
Why quality of life measures should be used in the treatment of patients with respiratory illness. Monaldi Arch Chest Dis (1994) 1.26
Continuing education for medical professionals: a reflective model. Postgrad Med J (1997) 1.21
Randomised controlled trial of the effectiveness of a respiratory health worker in reducing impairment, disability, and handicap due to chronic airflow limitation. Thorax (1991) 1.20
Continuing medical education: the question of evaluation. Med Educ (1997) 1.19
Influence of demographic and disease related factors on the degree of distress associated with symptoms and restrictions on daily living due to asthma in six countries. Eur Respir J (1991) 1.15
Completing the feedback loop. BMJ (1991) 1.09
Continuing education for public health medicine--is it just another paper exercise? J Public Health Med (1996) 1.08
Ambulance economics. J Public Health Med (2000) 1.04
A systematic review of evidence for the appropriateness of neonatal screening programmes for inborn errors of metabolism. J Public Health Med (1998) 1.04
Secondary analysis of economic data: a review of cost-benefit studies of neonatal screening for phenylketonuria. J Epidemiol Community Health (1999) 0.95
Comparison of prognostic and socio-economic factors in screen-detected and symptomatic cases of breast cancer. Public Health (1998) 0.95
Auditory rehabilitation: should we listen to the patient? Br Med J (Clin Res Ed) (1987) 0.94
Trial of intensive compared with weekly speech therapy in preschool children. Arch Dis Child (1992) 0.93
Public health physicians who contribute to on-call communicable disease control duties: national comparative clinical audit by questionnaire survey. J Public Health Med (1999) 0.86
Clinical audit. Secret garden. Health Serv J (1994) 0.83
Economic evaluation of a primary care-based education programme for patients with osteoarthritis of the knee. Health Technol Assess (1999) 0.78
Ventricular arrhythmias complicating weight reduction therapy in a patient with a prolonged QT interval. Postgrad Med J (1985) 0.77
Rehabilitation for people with chronic lung disease. Qual Health Care (1995) 0.75
Education of patients about chronic obstructive pulmonary disease. Lancet (1992) 0.75
Cost effectiveness analysis of inhaled anticholinergics for acute childhood and adolescent asthma. BMJ (1999) 0.75
Clinician involvement in commissioning. Br J Gen Pract (1995) 0.75
Neural networks. Lancet (1995) 0.75
NICE cancer guidance: a description of the institute's clinical guideline programme. Br J Cancer (2003) 0.75
Asthma care in general practice--time for revolution? Br J Gen Pract (1991) 0.75
A joint approach to smoking cessation clinics. J R Coll Gen Pract (1988) 0.75
An old disease ... with some new answers? Public Health (1988) 0.75
Links between clinical audit and contracting systems. Int J Health Care Qual Assur (1995) 0.75
Evaluating healthcare policies: the case of clinical audit. BMJ (1997) 0.75
Clinicians in contracting. Seeking medical advice. Health Serv J (1994) 0.75
Public health education for all? J Public Health Med (1993) 0.75
Coordinating locally 'owned' treatment guidelines. J R Coll Physicians Lond (1995) 0.75