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Transcript of 1EM00011.2012-06 © 2012 Copyright Electromed, Inc. Bronchiectasis William Grimm, RRT 33 rd Annual...
![Page 1: 1EM00011.2012-06 © 2012 Copyright Electromed, Inc. Bronchiectasis William Grimm, RRT 33 rd Annual Mountain Air Symposum 10/9/2014.](https://reader036.fdocuments.us/reader036/viewer/2022062713/56649ce45503460f949b1384/html5/thumbnails/1.jpg)
1EM00011.2012-06 © 2012 Copyright Electromed, Inc.
Bronchiectasis
William Grimm, RRT
33rd Annual Mountain Air Symposum
10/9/2014
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2EM00011.2012-06 © 2012 Copyright Electromed, Inc.
The Challenge
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3EM00011.2012-06 © 2012 Copyright Electromed, Inc.
Presentation Agenda
• Bronchiectasis Types Causes Symptoms Effects on the Body Diagnosis Treatment Bronchiectasis Research Registry
• Airway Clearance• High Frequency Chest Wall Oscillation (HFCWO)• Patient Satisfaction with the SmartVest® Airway Clearance
System
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4EM00011.2012-06 © 2012 Copyright Electromed, Inc.
What is Bronchiectasis?
• Abnormal stretching and enlarging of the respiratory passages caused by mucus blockage
• The blockage and accompanying infection cause inflammation, leading to the weakening and widening of the passages*
• Bronchiectasis = dilation of proximal and medium-sized bronchi >2mm with transmural inflammation, edema scarring, and ulceration– Laennec, 1819– Osler, late 1800s– Reid, 1950s
*Source: American Lung Association
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5EM00011.2012-06 © 2012 Copyright Electromed, Inc.
A. Normal lung and airway
Source: Barker AF. Bronchiectasis. NEJM 2002; 346(18):1383-93
B. Bronchiectasis lower lobes, most common, saccular dilatations and grape-like
clusters with pools of mucus
Bronchiectasis
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6EM00011.2012-06 © 2012 Copyright Electromed, Inc.
COPD Education
Run COPD Education System.lnk
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7EM00011.2012-06 © 2012 Copyright Electromed, Inc.
Types of Bronchiectasis
• Focal Bronchiectasis– Occurs in a single lobe of the lung and can be
the result of an obstruction by a large foreign object, a tumor, or an unusual development in the airway
• Diffuse Bronchiectasis– Occurs in more than a single lobe– An underlying immune deficiency, infection, or
toxic exposure that involves multiple lobes– Cystic Fibrosis and Primary Ciliary Dyskinesia
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8EM00011.2012-06 © 2012 Copyright Electromed, Inc.
What Historically Caused Bronchiectasis?
• The most common causes have been severe lung infections during childhood such as whooping cough or severe viral infections
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9EM00011.2012-06 © 2012 Copyright Electromed, Inc.
What Causes Bronchiectasis Today?
• Tuberculosis is the single leading cause worldwide• Genetic disorders such as CF and PCD are the leading
causes in Western countries• Aspiration (focal bronchiectasis)• GERD• Complications of primary infections such as bronchitis,
pneumonia, whooping cough, or tuberculosis• Not all cases are caused by infection or genetic defect
– Exact cause is never determined in many cases• Higher incidence in older women and native American
population in Alaska
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10EM00011.2012-06 © 2012 Copyright Electromed, Inc.
Prevalence of Bronchiectasis
• USA - 52 in 100,000
• South Korea Study – 1,409 patients ages 23 to 86– HR CT Scan
» 129 of study group had bronchiectasis on HR CT Scan (9.1%)
» 53% of the 9.1% above exhibited respiratory Symptoms
Source: Kwak, et al., Highprevalence of bronchiectasis in adults: analysis of CT findings in a health screening program, Department of Internal Medicine, Hanyang University of Medicine, Seongdong-gu, Seoul, Korea
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11EM00011.2012-06 © 2012 Copyright Electromed, Inc.
Economic Burden of Bronchiectasis in the USA
• Annual cost of care in 2001 = $13,244Greater than the cost of heart disease ($12,000)
and COPD ($11,000 to $13,000)• For the estimated 110,000 patients with
Bronchiectasis the total medical care cost annually = $1.4 billion
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12EM00011.2012-06 © 2012 Copyright Electromed, Inc.
Chronic Respiratory Symptoms
• Cough and sputum production (90 to 100%)• Areas of scarring• Mucus gland enlargement• Coughing up blood occasionally• Wheezing, possibly from asthma• Shortness of breath (75%)• Pleurisy or chest pain with breathing (50%)
Source: Barker AF. Bronchiectasis. NEJM 2002; 346(18):1383-93
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13EM00011.2012-06 © 2012 Copyright Electromed, Inc.
Bronchiectasis Symptoms
• Persistent productive cough
• Production of large quantities of purulent (infected)
sputum
• Chronic respiratory infection, including infection with rare
and/or opportunistic organisms
• Shortness of breath
• Cyanosis
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14EM00011.2012-06 © 2012 Copyright Electromed, Inc.
Effects on the Body
• Vicious Cycles– Once bronchiectasis is established in the lobe or
lobes of the lung, it compromises airway clearance which leads to respiratory infections
– These infections take up in the nooks, crannies, and pockets of the airway which the bronchiectasis has created
• Inflammation– Loss of structural integrity of muscle, elastic tissue,
and sometimes bronchial cartilage making the airway susceptible to infection which leads to inflammation
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15EM00011.2012-06 © 2012 Copyright Electromed, Inc.
1. Top - Foamy mucus2. Middle - Watery layer3. Bottom - Cell debris
3-Layer Sputum
Source: Barker AF and Albert: Clinical Respiratory Medicine, 2nd ed., © 2004 Mosby
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16EM00011.2012-06 © 2012 Copyright Electromed, Inc.
Infections Associated with Bronchiectasis
• Staphylococcus aureus• Haemophilus influenza• Mycoplasma pneumoniae• Mycobaterium tuberculosis• Nontuberculous Mycobacterium (avium-complex)• Pseudomonas aeruginosa
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17EM00011.2012-06 © 2012 Copyright Electromed, Inc.
How is Bronchiectasis Diagnosed?
• Computed Tomography (CT Scan) of the chest, required
by Medicare
• Chest X-ray
• Bronchoscopy
• Lung function tests
• Blood tests
• Sputum culture
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18EM00011.2012-06 © 2012 Copyright Electromed, Inc.
Physical Exam
• Adventitious breath sounds • Crackles (70%)• Rhonchi (44%)• Wheezing (34%)• Clubbing (3%)• Findings of primary causative disease (eg. rash, joint
deformities, situs inversus, lymphadenopathy, dwarfism, yellow nails, IV needle tracks, etc.)
Source: Barker AF. Bronchiectasis. NEJM 2002; 346(18):1383-93
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19EM00011.2012-06 © 2012 Copyright Electromed, Inc.
Treating Bronchiectasis
• Airway Clearance Therapy (ACT)
– Reduces obstruction and infection of the bronchi
– Examples: exercise, CPT, inhaled medications, and mechanical devices
• Antibiotics
– To control infections
– Tobi, which is inhaled, for P. Aeruginosa
– Azithromycin, which is taken orally
• Lung Transplants
– For those who are approaching respiratory failure
– For focal bronchiectasis, possible treatments include a lobectomy, or partial lung resection
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20EM00011.2012-06 © 2012 Copyright Electromed, Inc.
Bronchiectasis Registry
• Consolidated database of non-CF bronchiectasis patients from multiple clinic institutions– Stores information about bronchiectasis patients and
the disease itself– Enrolled 10,000 patients in October 2011
Source: COPDFoundation.org
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21EM00011.2012-06 © 2012 Copyright Electromed, Inc.
Bronchiectasis Study via Registry
• 54 Stable COPD Patients• Mean age = 69• Mean FEV1 = 0.96• 50% had Bronchiectasis in HRCT Scan• Increased in reported COPD exacerbations, sputum
markers, and bacterial colonization
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22EM00011.2012-06 © 2012 Copyright Electromed, Inc.
Natural airway clearance includes three essential components
Normal Airway Clearance
Mucus traps impurities
Cilia beat carry mucus to large airways
A strong cough clears mobilized secretions
In most individuals, these three components work in harmony to keep our airways clear
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23EM00011.2012-06 © 2012 Copyright Electromed, Inc.
Inadequate Airway Clearance
Inadequateclearance
Inadequateclearance
InfectionsInfectionsScarringScarringDecreasepulmonary
function
Decreasepulmonary
function
Increasedhealthcosts
Increasedhealthcosts
Loss ofproductivity
Loss ofproductivity
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24EM00011.2012-06 © 2012 Copyright Electromed, Inc.
Mucociliary SystemDisorders
• Cystic Fibrosis (CF)• Primary Ciliary
Dyskinesia• Immotile Ciliary
Syndromes
Obstructive Pulmonary Conditions
• COPD Chronic
Bronchitis Emphysema
• Bronchiectasis
Neuromuscular Disease
• ALS• Muscular Dystrophy• Spinal Muscular
Atrophy• Post Polio
Neuromotor Disease/Conditions
• Cerebral Palsy• Multiple Sclerosis• Spinal Cord
Injuries
Restrictive Airway Disorders
• Scoliosis• Kyphoscoliosis
Acute Care in Hospital setting
• Post surgical• Ventilator• Etc.
Inadequate Airway Clearance
Problems may occur with diseases or conditions characterized by
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25EM00011.2012-06 © 2012 Copyright Electromed, Inc.
Complications of Retained Secretions
Atelectasis
Increased Work of Breathing
Hypoxemia
Infection
Lung Damage
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26EM00011.2012-06 © 2012 Copyright Electromed, Inc.
High Frequency Chest Wall Oscillation (HFCWO) - Considerations for Use
• High Frequency Chest Wall Oscillation is designed specifically for airway clearance therapy to enhance mucus transport and improve bronchial drainage.
• Indications for HFCWO are not diagnosis specific; however, it can be considered when retained secretions cause pulmonary compromise. Thus, individual assessment of each patient is appropriate.
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27EM00011.2012-06 © 2012 Copyright Electromed, Inc.
Patient Satisfaction with HFCWO via the SmartVest® Airway Clearance SystemThe SmartVest® incorporates many features designed for the comfort and convenience of the user. These features are intended to increase the ease of use to encourage better cooperation and compliance for all ages – small children to adults.
What do patients say they like about the SmartVest®?
• The SmartVest® is gentler on the body, with comparable efficacy
• Only soft, breathable, washable fabrics touch the skin (SmartVest Wrap® must be spot cleaned)
• All Velcro™-type closures make adjustments and “on and off” simple
• A single offset hose improves maneuverability during treatment
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28EM00011.2012-06 © 2012 Copyright Electromed, Inc.
THANK YOU
QUESTIONS?