retraining of respiratory muscles and clinical ...€¦ · chronic obstructive lung disease copd is...
TRANSCRIPT
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Retraining of Respiratory Muscles and Clinical Applications for Patients with COPD and ILD
Sarah LeVea, RN, BSN
Cardiac Pulmonary Rehabilitation
Bozeman Health Deaconess Hospital
Bozeman, Montana
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Disclosure Statement
I have no disclosures of potential conflicts of interest.
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Objectives
Participants will discuss differences in
COPD and ILD disease pathophysiology.
Participants will be able to explain and
demonstrate:
Proper breathing techniques and
secretion clearing for patients with
COPD and ILD
Respiratory inhalers and proper
techniques of use
Considerations in rehab treatment
plans and patient education for COPD
and ILD populations
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Image Getty
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Image Getty
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Normal Respiratory System
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Image NHLBI
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Image NHLBI
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There are hundreds of
millions of alveoli in
the lungs.
150 alveoli would fit
in a cubic millimeter!
They are elastic,
stretching and
recoiling easily with
inhalation and
exhalation.
Image Getty
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COPD
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Chronic Obstructive Lung Disease
COPD is an obstructive lung disease which means there is difficulty exhaling air from the lungs.
In one second <70% of lung volumes are exhaled post bronchodilator, i.e. FEV1/FVC <70.
COPD includes emphysema and bronchitis.
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COPD Pathophysiology
Alveoli
Lose their elasticity and recoil ability
Membranes are destroyed, causing loss of area for gas exchange
Bronchi/bronchioles
Become thick and inflamed
Produce more mucus than normal
Cilia are damaged and dysfunctional
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COPD Pathophysiology
Airways cannot open during exhalation. Air trapping and lung hyperinflation occurs.
Inflammation damages small airways to alveoli, causing loss of recoil and stability, then loss of alveoli.
The diaphragm becomes flattened by hyperinflated lungs and cannot move freely up and down to help move air.
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Image NHLBI
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Image Getty
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Image NHLBI
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Bronchiectasis
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Causes of COPD
Exposure to lung irritants over a long period of time:
In the USA the most common exposure is smoking.
However 25% who have COPD never smoked. Other
exposures include occupational dust and
chemicals, secondhand smoke, and biomass fuels.
Genetic: alpha-1 antitrypsin deficiency
Chronic asthma: airways remain inflamed and
narrowed
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ILD
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Interstitial Lung Disease
Interstitial lung disease is a restrictive lung disease
which means there is difficulty filling the lungs.
ILD is used to describe over 130 lung disorders.
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ILD Pathophysiology
Progressive scarring, fibrosis or inflammation of lung tissue occurs when the healing process goes awry after lungs are injured. Scarring is generally irreversible.
The interstitium between the alveoli, connective tissue and blood vessels becomes thick and stiff.
Alveoli cannot to fill fully, and gas exchange is impaired.
Bronchioles and larger airways may also become fibrotic
and thick.
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Image NHLBI
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Causes of ILD
Autoimmune or connective tissue diseases:
rheumatoid, sarcoidosis, scleroderma, Sjogren’s
Exposure to substances that damage the lungs:
asbestos, silica, grain dust, bird droppings, radiation treatments, indoor hot tubs, smoking
medications: chemotherapy, heart drugs amiodarone and propranolol, antibiotics nitrofurantoin and ethambutol, anti-inflammatory drugs rituximab and sulfasalazine
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Causes of ILD
Genetics:
Hermansky-Pudlak Syndrome, Tuberous Sclerosis
Complex
Cause may be idiopathic:
sarcoidosis
interstitial pneumonia
idiopathic pulmonary fibrosis (most lethal)
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Breathing Retrainingand Secretion Clearing
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Breathing Techniques
Pursed Lip Breathing – assess response with ILD
Inhale for 2 seconds (smell the rose), exhale through pursed lips (gently blow out the candle) 2-3 times longer.
Diaphragmatic Breathing
Abdomen goes out with inhalation, in with exhalation. Place hand on abdomen and push out with inhalation. Practice with chest not moving. Activates parasympathetic system.
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Breathing Techniques
Intercostal/lateral Breathing
Chest expands with inhalation, in with
exhalation. Place hands on sides of rib cage, push out with inhalation, in with exhalation.
Coordinated Breathing
Exhale through strenuous part of exertion. Use PLB and/or diaphragmatic breathing in a continuous, rhythmic pattern with exertion.
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Secretion Clearing Tips
Stay hydrated
Mixed reviews on guaifenesin or steam
Do not use cough suppressants
Use fast acting, rescue, bronchodilator 15 minutes
prior to active clearing techniques
Use controller inhalers after clearing secretions
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Secretion Clearing
Huff cough
Take a deep breath and hold for 2-3 seconds. Use abdominal muscles as expel air in “ha-ha-ha” breaths. Repeat 3-5 times.
Deep cough
Take a deep breath and hold for 2-3 seconds. Forcefully use abdominal muscles to expel air.
If more than 2 coughs required, go back to huff cough.
Mucus clearing devices/flutter valves
Vest therapy
Exercise
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Inhalers for COPD
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ILD Medications
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ILD Medications
May slow the damage of interstitial lung disease:
corticosteroids
Immunosuppressive/steroid sparing:
mycophenolate (CellCept®)
azathioprine (Imuran®)
cyclophosphamide (Cytoxan®)
rituximab (Rituxan®)
Antifibrotic approved for IPF and sarcoidosis:
pirfenidone (Esbriet®)
nintendanib (Ofev®)
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Common Co-morbiditiesRequiring Consideration in
COPD and ILD
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Orthopedic issues
Muscle Atrophy
Depression
Anxiety
Coronary Artery Disease
Heart Failure
Pulmonary Hypertension
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Considerations With Pulmonary
Hypertension
Keep oxygen sats >89%
Keep exercise and resistance training light or moderate
Avoid Valsalva-like maneuvers
May need to exercise upper body and lower body
separately if symptomatic with exertion
Monitor BP/pulse closely. Watch for hypotension and
tachydysrhythmias
Use telemetry if dysrhythmias are suspected
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Treatment Plan and Patient Education
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Treatment Plan of Care
Inclusions for COPD and ILD
3-5 times weekly
Warm up/cool down
Endurance training/interval training
Upper limb endurance/resistance training
Inspiratory muscle training
Resistance/strength training
Balance
Flexibility/stretches
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Self Care for COPD and ILD
Take meds/use oxygen as prescribed
Proper breathing techniques and secretion clearing
Infection prevention: handwashing, vaccinations
Exercise
Rest/energy conservation
Proper diet
Mental health care/support
Have an action plan. Know signs/symptoms of exacerbation and provider to call.
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Conclusion
The goal of respiratory/pulmonary rehabilitation is to decrease dyspnea, increase exercise capacity and improve quality of life.
Self care and breathing technique education, in terms the patient can understand, is the key to their success.
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Resources
www.nhlbi.nih.gov
www.phassociation.org
www.ipffoundation.org
www.copdfoundation.org
www.NHLBI.nih.gov
www.mayoclinic.org
www.nationaljewish.org
www.goldcopd.org
www.thoracic.org
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Questions?