Chronic Obstructive Lung Disease (COPD ) Chronic Bronchitis & Emphysema.
Challenges and opportunities in COPD and Asthma in 2020 · The global burden of chronic lung...
Transcript of Challenges and opportunities in COPD and Asthma in 2020 · The global burden of chronic lung...
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Challenges and opportunities
in COPD in 2020Prof Peter Wark
Centre for Healthy Lungs HMRI, University
of Newcastle Department of Respiratory
and Sleep Medicine John Hunter Hospital
NHMRC Centre of Excellence in Severe
Asthma
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Outline The global burden of chronic lung disease
Chronic lung disease and Papua New Guinea?
Chronic Obstructive Pulmonary Disease (COPD)
and GOLD 2019
Asthma and GINA 2019
HMRI is a partnership between the University of Newcastle, Hunter New England Local Health District and the Community.
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The rise of chronic non-communicable
disease Kitur et al BMC Public Health 2019
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Death and disability in PNG
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Lower lung function is associated with
worse mortality Anderson et al Int J Epidemiol 1988
15 year mortality, 1970-71 to
1984-85
Lufa (Highlands)
- 2026
Karkar island
- 1734
Mortality associated- FEV1
- FVC
- FEV1/FVC
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Chronic Obstructive Pulmonary Disease
COPD is a common, preventable, treatable
disease that is characterized by persistent
respiratory symptoms and airflow limitation
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COPD the size of the problem
World wide
– is the 4th leading cause of death
– 12 leading cause of disability in the world (est
to be 5th by 2020)
Australia
– Afflicts 665 000 (3.5%)
– 4th leading cause of death in Australia (2001)
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Risk Factors for COPDNutrition
Infections
Socio-economic
status
Aging Populations
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Note: This is a simplified diagram of FEV1 progression over time. In reality, there is tremendous heterogeneity in the rate of decline in FEV1
owing to the complex interactions of genes with environmental exposures and risk factors over an individual’s lifetime
[adapted from Lange et al. NEJM 2015;373:111-22].
© 2020 Global Initiative for Chronic Obstructive Lung Disease
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TB as a risk factor for COPDByrne et al Int J Infect Dis 2015
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SYMPTOMS
Cough
Sputum
Shortness of breath
EXPOSURE TO RISKFACTORS
Tobacco
Occupation
Indoor air pollution
SPIROMETRY
Diagnosis of COPD
From the Global Strategy for the Diagnosis, Management, and Prevention of
Chronic Obstructive Pulmonary Disease, Global Initiative for Chronic Obstructive
Lung Disease (GOLD) 2008. Available from: http://www.goldcopd.org.
Outdoor air pollution
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Assessment of COPD
1. Assess symptoms
2. Assess degree of airflow limitation using
spirometry
3. Assess risk of exacerbations and future risk
4. Assess comorbidities
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FEV1 FVC FEV1 / FVC
Normal 4.150 5.200 80%
COPD 2.350 3.900 60%
5
4
3
2
1
1 2 3 4 5 6
Lit
ers COPD
Normal
FEV1
Seconds
FEV1
FVC
FVC
From the Global Strategy for the Diagnosis, Management, and Prevention of Chronic Obstructive Pulmonary
Disease, Global Initiative for Chronic Obstructive Lung Disease (GOLD) 2008. Available from:
http://www.goldcopd.org.
Spirometry for COPD Diagnosis and
Classification of Severity
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Assess severity of airflow obstruction
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Assess symptoms; COPD assessment
test, the CAT
© 2020 Global Initiative for Chronic Obstructive Lung Disease
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Assess risk of exacerbations
2 or more exacerbations in the last year (Hurst
et al NEJM 2010)
FEV1 <60% predicted (Donaldson et al Thorax 2006)
Chronic bronchitis (Burgel et al Chest 2009)
Greater impairment in exercise tolerance
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GOLD severity
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Angina
Cataracts
Respiratory Infection
Myocardial Infarction
Fractures
Osteoporosis
Glaucoma
Skin Bruises
Soriano et al. Chest. 2005;128:2099-2107.
RR in COPD versus non-COPD
Rate
per
10,0
00
4320 1
0
100
200
300
400
Pneumonia
Assess co-morbidities
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Management of COPD
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Management of COPD Improve symptoms
- Reduce airflow obstruction
- Enhance exercise capacity
Reduce exacerbation risk and loss of lung
function
- Smoking cessation
- Vaccination
- Long acting anticholinergics
- Inhaled corticosteroids
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COPD Management
COPDX LFA
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Combined LAMA + LABA
Bateman et al Eur Resp J 2013
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Anthonisen et al. Am J Respir Crit Care Med. 2002;166:675-679. Reproduced with
permission from American Thoracic Society. Copyright © 2002
0Year
FE
V1
(Lite
rs)
1 2 3 4 5 6 7 8 9 10 11
2.9
2.8
2.7
2.6
2.5
2.4
2.3
2.2
2.1
2.0
Sustained Quitters
Intermittent
Quitters
Continuous Smokers
Benefit of Smoking Cessation: Lung Health Study 11-
year Results
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Tiotropium and LAMAs: reduce exacerbations
OR=0.75
NNT 14 (11-22)
1. Barr et al The Cochrane Database of Systematic Reviews 2006 Issue 4
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LABA/LAMA vs ICS/LABA, The “Flame
study” Wedzicha NEJM 2016
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IMPACT: Effect on moderate/severe exacerbations with
FF/UMEC/VI vs FF/VI or UMEC/VI (ITT population)
Note: The n reflects the number of patients included in each analysis from the ITT population. Patients were excluded if they had predefined data missing; this varied according to
the analysis. The ITT population comprised: 4151 patients treated with TRELEGY, 4134 patients treated with BREOand 2070 patients treated with ANORO.
UMEC/VIn = 2,069
Mo
de
rate
/se
ve
re e
xa
ce
rba
tio
ns
(an
nu
alr
ate
)
FF/UMEC/VIn = 4,145
FF/VIn = 4,133
0.91
1.071.21
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
(95% CI: 19, 30)
p < 0.001
Lipson DA, et al. N Engl J Med. 2018;378:1671–1680
(95% CI: 10, 20)
p < 0.001
15%
25%
FF/UMEC/VI: Fluticasone Furoate/Umeclidinium/Vilanterol 100/62.5/25mcgUMEC/VI: Umeclidinium/Vilanterol 62.5/25mcgFF/VI: Fluticasone Furoate/Vilanterol 100/25mcg
R
FF/UMEC/VI 100/62.5/25 µg OD* (n=4151)
UMEC/VI 62.5/25 µg OD* (n=2070)
FF/VI 100/25 µg OD* (n=4134) Current
COPD meds
2 weeks
Follow-up
1 week
52 weeks
Double-blind
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COPD Management
COPDX LFA
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COPD treatment in the developing nations AitKhaled et al Bulletin Who 2001