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Restrictive Lung Dysfunction
Chapter 5 Test 3
156
Medical
Graduate
04/07/2012

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Term
An abnormal reduction in pulmonary ventilation
Definition
Restrictive lung dysfunction (RLD)
Term
With restrictive lung dysfunction the volume of air moving in and out is ___
Definition
Reduced
Term
Is restrictive lung dysfunction a dz?
Definition
No
Term
With RLD, chest wall and/or lung compliance is ___. The lungs are stiff and difficult to expand.
Definition
Decreased
Term
With RLD, resistance to lung expansion is ___
Definition
Increased
Term
With RLD, the work of breathing is ___ due to need for greater transpulmonary pressure
Definition
Increased
Term
With RLD, if its permanent, then the treatment consists of __ measures.
Definition
Supportive
Term
With RLD, if it is reversible, then the treatment is __ and __
Definition
Corrective (chest tube)
Supportive (Temporary mechanical ventilation)
Term
Name 3 abnormalities in fetal lung development
Definition
Agenesis
Aplasia
Hypoplasia
Term
What is agenesis?
Definition
Absence or lack of development
Term
What is aplasia?
Definition
Absence of development
Term
What is hypoplasia?
Definition
Underdevelopment
Term
This is a hyaline membrane disease that is a disorder of prematurity or lack of complete lung maturation
Definition
Respiratory Distress Syndrome
Term
Respiratory Distress Syndrome is linked to what?
Definition
Gestational Age
Term
This is caused by abnormalities is surfactant system and inadequate surfactant production. Mechanical ventilation is disruptive to fragile structures.
Definition
Respiratory Distress Syndrome
Term
Name 2 treatments for Respiratory Distress Syndrome
Definition
1. Surfactant replacement therapy or extracorporeal membrane oxygenation (ECMO)
2. Administration of corticosteroids to mother before birth
Term
Aging of lungs may be complicated by environmental factors such as what 5 things?
Definition
Pollution
Noxious Gases
Occupational Exposures
Drug Use
Cigarettes
Term
Lung compliance decreases at about __ years; maximum voluntary ventilation decreases and so does vital capacity.
Definition
20 years
Term
With aging, chemoreceptors become less __ and decalcification occurs in ribs and arthritic changes.
Definition
Sensitive
Term
With aging there is an __ in air spaces and elastic recoil diminishes because of the increased stiffness.
Definition
Enlarges
Term
Name 3 treatments that are possible to help with the effects of normal aging.
Definition
1. No specific tx is required
2. Need to keep aerobically exercising
3. Strength training
Term
What does DLCO stand for?
Definition
Diffusion of Carbon Monoxide in lungs
Term
This is an inflammatory process of the alveolar wall. Results in patchy focal lesions scattered, inflammatory changes then scar and become fibrotic which result in increased stiffness.
Definition
Idiopathic Pulmonary Fibrosis
Term
There are many treatments for Idiopathic Pulmonary Fibrosis. Name some.
Definition
-Corticosteroids
-Cytotoxic drugs
-Smoking Cessation
-Maintaining adequate oxygenation/ventilation
-Good nutrition
-Treatment of infection
-Lung transplantation
Term
This is an interstitial lung dz caused by inhalation of coal dust. Results from inhalation of coal dust over a long period of time - 10 to 12 years. Coal macules develop
Definition
Coal Worker's Pneumoconiosis
Term
What are some treatments for Coal Worker's Pneumoconiosis?
Definition
Supportive includes cessation of exposure to coal dust, good nutrition, interventions to ensure adequate oxygenation/ventilation, progressive exercise
Term
A diffuse interstitial pulmonary fibrotic disease caused by asbestos exposure.
Definition
Asbestosis
Term
People at risk for this dz include miners, construction workers, shipbuilders, insulation workers, and pipe fitters.
Definition
Asbestosis
Term
What is the latency period for asbestosis?
Definition
15-20 years after exposure
Term
Results in alveolitis in respiratory bronchioles and plaques
Definition
Asbestosis
Term
What is the treatment for asbestosis?
Definition
No cure, dz progresses even when exposure ceases; symptomatic support may be available
Term
A chronic pulmonary syndrome in neonates who have been ventilated and received high concentrations of O2
Definition
Bronchopulmonary Dysplasia
Term
A fibrotic lung dz that affects small airways. Produces restrictive and obstructive lung dysfunction.
Definition
Bronchiolitis Obliterans
Term
In pediatrics, this dz is associated with viral infection.
Definition
Bronchiolitis Obliterans
Term
In adults, this dz is associated with toxic fume inhalation (painters)
Definition
Bronchiolitis Obliterans
Term
This dz results in necrosis of respiratory epithelium.
Definition
Bronchiolitis Obliterans
Term
What is the treatment in children for bronchiolitis obliterans?
Definition
Supportive, corticosteroids
Term
What is the treatment for adults with Bronchiolitis Obliterans?
Definition
O2, fluid balance, corticosteroids
Term
This dz causes an incomplete expansion of lung or loss of volume.
Definition
Atelectasis
Term
Name 3 types of atelectasis
Definition
Obstructive
Scar and/or postoperative
Compression
Term
What will a chest radiograph show with atelectasis?
Definition
Opacification
Term
What is the treatment for atelectasis?
Definition
Deep breathing or incentive spirometry
Coughing
Term
An inflammatory process of the lung parenchyma (the functional unit of the lung)
Definition
Pneumonia
Term
This dz begins as an infection in the lower respiratory tract because that is where things tend to pull. It may be community or hospital acquired.
Definition
Pneumonia
Term
There are 2 types of pneumonia; bacteria and virus. Which is worse?
Definition
Bacteria (more deadly)
Term
What are the 2 most common routes of infection for pneumonia?
Definition
Inhalation
Aspiration
Term
What are some treatments for pneumonia?
Definition
-Drug Therapy
-O2
-Mechanical ventilation or non-invasive ventilation
-Postural Drainage
-Airway Clearance Techniques
Term
Name 12 types of bacterial pneumonias
Definition
1. Streptococcus Pneumoniae
2. Legionella Pneumophila
3. Haemophilus Influenzae
4. Klebsiella Pneumoniae
5. Pneumonias
6. Viral Pneumonias
7. Pseudomonas Aeruginosa
8. Staphylococcus Aureus
9. Mycoplasma
10. Fungal Pneumonias
11. Pneumocystis carinii
12. Chlamydial Pneumonias
Term
This is caused by an acute lung injury and results in severe hypoxemia (acute respiratory failure)
Definition
Adult Respiratory Distress / Acute Lung Injury
Term
This dz results in increased permeability of alveolar-capillary membrane and changes for air-filled to fluid-filled organ.
Definition
Adult Respiratory Distress
Term
Name 6 causes for Adult Respiratory Distress Syndrome
Definition
1. Trauma
2. Aspiration
3. Drug
4. Inhaled toxins
5. Metabolic
6. Pneumonias
Term
What are some treatments for Adult Respiratory Distress Syndrome?
Definition
-Treat precipitating cause
-Support adequate gas exchange and tissue oxygenation
-Supportive - manage pt's nutritional status and fluid balance
-Prevent or treat complications (may be bacterial pneumonia)
Term
A malignant growth of abnormal epithelial cells in the bronchus. Current classification is non-small cell lung cancer and small cell lung cancer
Definition
Bronchogenic Carcinoma
Term
Name the 4 types of bronchogenic carcinoma
Definition
Squamous cell
Small cell
Large cell
Adenocarcinoma
Term
What are the 2 classifications of bronchogenic carcinoma?
Definition
Non-small cell lung cancer
Small cell lung cancer
Term
What is the primary causative factor for bronchogenic carcinoma?
Definition
Cigarette Smoking
Term
Besides cigarette smoking, what is another cause of bronchogenic carcinoma?
Definition
Occupational agents
Term
What are 3 treatments for bronchogenic carcinoma?
Definition
-Surgery to remove tumor
-Radiation - targets all types, but small cell is most radiosensitive followed by squamous
-Chemotherapy - low effect on non-small cell; treatment of choice for small cell
Term
An accumulation of fluid within the pleural space. Results in a disruption of balance of pleural fluid resorption.
Definition
Pleural Effusions
Term
An accumulation of fluid within the pleural space. Results in a disruption of balance of pleural fluid resorption.
Definition
Pleural Effusions
Term
___ effusions associated with hydrostatic pressure in pleural capillaries
Definition
Transudative
Term
___ effusions associated with increase in permeability of pleural surfaces
Definition
Exudative
Term
What are some possible treatments for pleural effusions?
Definition
Target the underlying cause
Diagnostic thoracentesis
Term
An enigmatic multisystem dz characterized by the presence of noncaseating epitheloid granulomas in many organs
Definition
Sarcoidosis
Term
This dz commonly affects young adults. It is a multisystem dz with the lung mostly involved.
Definition
Sarcoidosis
Term
What are the 3 distinct features of sarcoidosis?
Definition
-Alveolitis
-Formation of well-defined round or oval granulomas
-Pulmonary fibrosis
Term
What is the treatment for Sarcoidosis?
Definition
Corticosteroids
Term
A dz characterized by an increase in the amount of fluid within the lung
Definition
Pulmonary Edema
Term
What are the 2 primary causes of Pulmonary Edema?
Definition
-Increase in pulmonary capillary hydrostatic pressure
-Increase in alveolar capillary membrane permeability
Term
What are the treatments for pulmonary edema aimed at?
Definition
Decreasing cardiac preload and maintaining oxygenation
Term
Name 3 Maturational Causes of Restrictive Lung Dysfunction
Definition
-Abnormalities in fetal lung development
-Respiratory Distress Syndrome
-Normal Aging
Term
Name 11 Pulmonary Causes of Restrictive Lung Dysfunction
Definition
1. Idiopathic Pulmonary Fibrosis
2. Coal Worker's Pneumoconiosis
3. Asbestosis
4. Bronchopulmonary Dysplasia
5. Bronchiolitis Obliterans
6. Atelectasis
7. Pneumonia
8. Adult Respiratory Distress Syndrome
9. Bronchogenic Carcinoma
10. Pleural Effusions
11. Sarcoidosis
Term
Name 2 Cardiovascular Causes of Restrictive Lung Dysfunction
Definition
Pulmonary edema
Pulmonary embolism
Term
A complication of venous thrombosis where thrombi travel from systemic vein to pulmonary circulation.
Definition
Pulmonary Emboli
Term
With pulmonary emboli, where do the thrombi most commonly form?
Definition
In Leg
Term
Results in an occlusion of pulmonary arterial branches and causes edema and hemorrhage (congestive atelectasis)
Definition
Pulmonary Emboli
Term
What is the treatment for pulmonary emboli?
Definition
Prevention of DVT with exercise and medications; heparin therapy most common to treat DVT
Term
Name 7 neuromuscular causes of restrictive lung dysfunction
Definition
1. SCI
2. ALS
3. Poliomyelitis
4. Guillain-Barre
5. Myasthenia Gravis
6. Tetanus
7. Muscular Dystrophy (mainly Duchenne)
Term
A chronic neuromuscular dz characterized by progressive muscular weakness on exertion. Autoimmune attack on acetylcholine receptors at the postsynaptic neuromuscular junction.
Definition
Myasthenia Gravis
Term
With this dz, the antibody IgG binds to acetylcholine receptor site
Definition
Myasthenia Gravis
Term
What is the treatment for Myasthenia Gravis?
Definition
Anticholinesterase and plasmapheresis; corticosteroids, immunosuppressive drugs and thymectomy
Term
A dz of the neuromuscular system caused by neurotoxin produced by CLostridium Tetani
Definition
Tetanus
Term
This dz blocks the release of inhibitory transmitter and causes severe ms spasticity with tonic convulsions which cause chest wall immobilization
Definition
Tetanus
Term
Besides Duchenne's MD, name 3 other types.
Definition
Facioscapulohumeral
Limb-girdle
Myotonic
Term
A genetically determined, progressive degenerative myopathy where the muscle fibers hypertrophy and necrosis with degeneration. Loss of motor end plates occurs.
Definition
Duchenne MD
Term
With Duchenne MD, what is affected 1st, then 2nd?
Definition
1st - pelvic girdle
2nd - shoulder
Term
What are treatments for Duchenne MD?
Definition
No cure
Supportive therapy
Preserve pts mobility
Prevent respiratory infections
Term
What is another term for Duchenne MD?
Definition
Pseudohypertrophic
Term
The loss or impairment of motor function of diaphragm due to a lesion in the neurological or muscular system.
Definition
Diaphragmatic Paralysis or paresis
Term
Name 5 Musculoskeletal Causes of Restrictive Lung Dz
Definition
Diaphragmatic Paralysis or Paresis
Kyphoscoliosis
Ankylosing Spondylitis
Pectus Excavatum
Pectus Carinatum
Term
The cause of this is commonly injury of the phrenic nerve during a surgical procedure. Leads to the diaphragm being pulled downward and anterior ribs pulled inward. Results in alveolar hypoventilation
Definition
Diaphragmatic paralysis or paresis
Term
What is normal transdiaphragmatic pressure?
Definition
98 cm H2O
If <20 cm H20, respiratory distress occurs
Term
What is the treatment for diaphragmatic paralysis or paresis if there is unilateral involvement?
Definition
No treatment
Term
What is the treatment for diaphragmatic paralysis or paresis if there is bilateral involvement?
Definition
Requires a level of mechanical ventilation
Term
A combination of excessive anteroposterior and lateral curvature of the thoracic spine. Idiopathic in 85% of cases.
Definition
Kyphoscoliosis
Term
A significant spinal curvature must be present before pulmonary symptoms develop. Angles of <70 degrees result in no pulmonary dysfunction. Angles of 70-120 degrees result in some pulmonary dysfunction. Angles greater than 120 degrees result in severe RLD and respiratory failure
Definition
Kyphoscoliosis
Term
What are the treatments for kyphoscoliosis?
Definition
-Conservative with orthotic devices and exercise
-Surgical placement of Harrington distraction strut bars
-Preventive and supportive measures for pulmonary compromise
Term
A chronic inflammatory dz of the spine characterized by immobility of sacroiliac and vertebral joints and ossification of paravertebral ligaments
Definition
Ankylosing Spondylitis
Term
An inherited arthritic condition. Markedly decreased compliance of the chest wall.
Definition
Ankylosing Spondylitis
Term
What are treatments for ankylosing spondylitis?
Definition
No cure
Maintain good body alignment
Maintain good thoracic mobility
Term
An inherited arthritic condition. Markedly decreased compliance of the chest wall.
Definition
Ankylosing Spondylitis
Term
What are treatments for ankylosing spondylitis?
Definition
No cure
Maintain good body alignment
Maintain good thoracic mobility
Term
With this dz, the pt will walk with a really stiff forward posture and cannot straigthen up.
Definition
Ankylosing Spondylitis
Term
Also known as funnel chest. A congenital abnormality.
Definition
Pectus Excavatum
Term
Sternal depression and decreases anteroposterior diameter. If the deformity is sever, may have decreased TLC, VC, and maximum voluntary ventilation.
Definition
Pectus Excavatum
Term
Also known as pigeon breaths. Sternum protrudes anteriorly. Associated with prolonged childhood asthma
Definition
Pectus Carinatum
Term
Name 6 Connective Tissue Causes of Restrictive Lung Dysfunction
Definition
1. Rheumatoid Arthritis
2. Systemic Lupus Erythmatosus
3. Drug-Induced Systemic Lupus Erythmatosus
4. Scleroderma
5. Polymyositis
6. Dermatomyositis
Term
Chronic inflammation of peripheral joints resulting in progressive destruction of articular and periarticular structures.
Definition
Rheumatoid Arthritis
Term
This dz can be associated with pleural involvement, pneumonitis, interstitial fibrosis, pulmonary nodules, pulmonary vasculitis, obliterative bronchiolitis, increased incidence of bronchogenic cancer
Definition
Rheumatoid Arthritis
Term
What are 2 possible treatments for rheumatoid arthritis?
Definition
Corticosteroids
Immunosuppressant Drugs
Term
A chronic inflammatory connective tissue disorder. Involves the autoimmune system. Characterized by a variety of antigen-antibody reactions.
Definition
Systemic Lupus Erythmatosus
Term
May involve the skin, joints, kidneys, lungs, nervous tissue, and heart. The most common lung dysfunction is pleurisy. Diaphragmatic weakness.
Definition
Systemic Lupus Erthematosus
Term
Six drugs induce antinuclear antibodies resulting is symptomatic SLE. Condition is reversible in the majority of pts if the drug is discontinued. Treatment includes corticosteroids with plasmapheresis.
Definition
Drug-Induced SLE
Term
A progressive systemic sclerosis. Progressing fibrosing disorder that causes degenerative changes in skin, small blood vessels, esophagus, intestinal tract, lung, heart, kidney, and articular structures.
Definition
Scleroderma
Term
In the lung, this appears as progressive diffuse interstitial fibrosis.
Definition
Scleroderma
Term
What are the treatments for scleroderma
Definition
No effective drug intervention; specific symptoms are treated; supportive care
Term
A systemic connective tissue dz that causes symmetric proximal ms weakness and pain. May involve an autoimmune reaction as well as lung parenchyma.
Definition
Polymyositis
Term
What is the most common form of polymyositis?
Definition
Aspiration Pneumonia
Term
How can you treat polymyositis?
Definition
Corticosteroids
Term
A systemic connective tissue dz primarily by inflammatory and degenerative changes in the skin.
Definition
Dermatomyositis
Term
Name 2 Immunological Causes of Restrictive Lung Dysfunction
Definition
Goodpasture's Syndrome
Wegener's Granulomatosis
Term
A dz of immune complex. Interstitial or intraalveolar hemorrhage, glomerulonephritis, anemia. Caused by antiglomerular basement membrane antibodies that react with vascular basement membranes of the alveolus and glomerulus.
Definition
Goodpasture's Syndrome
Term
How can you treat Goodpasture's Syndrome?
Definition
Plasmapheresis and immunosuppressive therapy to lower the levels of anit-GBM anitbodies; cyclophosphamide with prednisone
Term
A multisystem dz characteriezed by granulomatous vasculitis of the upper and lower respiratory tracts, glomerulonephritis, and small vessel vasculitis.
Definition
Wegener's Granulomatosis
Term
This dz starts in the upper respiratory tract with necrotizing granulomas and ulceration in the nasopharynx and paranasal areas. Treat with cyclophosphamide.
Definition
Wegener's Granulomatosis
Term
In what trimester is the ventilation to dependent regions of lungs impaired due to the fetus?
Definition
3rd
Term
During pregnancy, there is a decrease in chest wall compliance primarily due to a decreased downward excursion of the what?
Definition
Diaphragm
Term
When body weight is 20% or more over the ideal body weight. Imbalance between calories ingested and calories expended. The extra tissues require additional oxygen.
Definition
Obesity
Term
In this situation, excess soft tissue on the chest wall decreases compliance of the thorax. Treated via a combination of interventions or even surgery.
Definition
Obesity
Term
A syndrome that results from abnormal carbohydrate metabolism. Results in inadequate insulin secretion and hyperglycemia.
Definition
Diabetes Mellitus
Term
What are some pathological changes that occur with diabetes mellitus?
Definition
Hyperglycemia
Large vessel dz
Microvascular dz
Neuropathy
Term
Name 3 traumatic causes of restrictive lung dysfunction
Definition
Crash Injuries
Penetrating Wounds
Thermal Trauma
Term
This is usually caused by blunt trauma that results in physiological damage such as rib fx, flail chest, and lung contusion. The leading cause for this would be a MVA
Definition
Crash Injuries
Term
What physiologically occurs in pts with rib fxs?
Definition
Breathe Shallow
Decreased chest wall excursion
Decreased lung expansion
Term
This is where there is a free-floating segment of ribs due to multiple rib fractures.
Definition
Flail Chest
Term
This occurs when strikes directly against the chest wall; red blood cells and plasma move to alveoli
Definition
Lung Contusion
Term
How do you treat rib fx?
Definition
Pain control
Term
How do you treat flail chest?
Definition
may need mechanical ventilation
Term
how do you treat lung contusion?
Definition
may need mechanical ventilation and O2
Term
This may be caused by shooting or stabbing. Could include pneumothorax, hemothorax, or pulmonary laceration
Definition
Penetrating wounds
Term
Entry of free air into the pleural space; difficulty moving air in and out of lungs
Definition
Pneumothorax
Term
The presence of blood in the pleural space
Definition
Hemothorax
Term
How do you treat penetrating wounds?
Definition
Application of airtight, sterile dressing and chest tube in pleural space; may need mechanical ventilation and/or supplemental O2
Term
Due to inhalation injuries, direct burn injuries to the thorax, or a combination of both. Exposure to fire/smoke. Results of smoke inhalation or direct burn injuries to the thorax
Definition
Thermal Trauma
Term
How do you treat the lungs for thermal trauma?
Definition
Humidification
Supplemental O2
Bronchodilators
Positioning
Pulmonary Hygiene
Term
Name 2 therapeutic causes of restrictive lung dysfunction
Definition
Surgical therapy
Lung transplantation
Term
Planned entry into the human body by a trained practitioner. Pulmonary dysfunction due to anesthetic agent, surgical incision or procedure, pain postoperation.
Definition
Surgical Therapy
Term
How do you treat surgical therapy?
Definition
Preoperative evaluation and care, NPO prior to surgery, postoperative deep breathing and coughing, incentive spirometer, early mobilization
Term
Replacement of poorly functioning lung tissue in the recipient with better-functioning lung tissue.
Definition
Lung Transplantation
Term
What is a major long term complication of lung transplantation
Definition
Obliterative Bronchiolitis
Term
How do you treat lung transplantation
Definition
Optimal maintenance of the immunosuppressive drug regimen, prompt diagnosis and treatment of infections and episodes of acute rejection, careful cytomegalovirus matching
Term
More than 100 drugs potentially cause __
Definition
RLD
Term
Name 11 pharmaceutical causes of RLD?
Definition
1. Illicit Drugs
2. Muscle Relaxants
3. Anesthetics
4. Poisons
5. Chemotherapeutic
6. Cardiovascular Drugs
7. Anti-inflammatory
8. Antibiotics
9. Oxygen
10. Affect ventilatory pump, ventilatory drive, or chest wall compliance
11. Adversely affect lung parenchyma directly, causing drug-induced interstitial lung dz
Term
The primary complication of irradiation to thorax. Irradiation causes breaks in DNA strands. Radiation responses are seen first in cells with rapid rates of cell replication
Definition
Radiation Pneumonitis and Fibrosis
Term
Name 2 things that Pulmonary injury includes related to radiology
Definition
1. Acute radiation pneumonitis
2. Chronic radiation fibrosis
Term
How do you treat radiation pneumonitis and fibrosis
Definition
Corticosteroids for acute radiation pneumonitis, but not chronic radiation fibrosis; O2 therapy, cough suppression, analgesics, antibiotics
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