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B - Paediatrics MANAGEMENT > Asthma > Flashcards

Asthma Flashcards

1
Q

What it the aim of asthma management?

A

Complete symptom control

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2
Q

What is complete symptom control in asthma management defined as?

A
  • Absence of daytime or nighttime symptoms
  • No limit on activities, including exercise
  • No need for reliever use
  • Normal lung function
  • No exacerbations (need for hospitalisation or oral steroids) in previous 6 months
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3
Q

How is the treatment of asthma determined?

A

It increases from step 1 to step 5, stepping down when control is good

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4
Q

What is step 1 in asthma management?

A

Inhaled short acting ß2 agonist as required

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5
Q

What are short acting ß2 agonists often called?

A

Relievers

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6
Q

Give two examples of short acting ß2 agonists

A
  • Salbutamol

- Terbutaline

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7
Q

After how long is the maximum effect of ß2 agonists?

A

After 10-15 mins

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8
Q

How long are short acting effective for?

A

2-4 hours

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9
Q

On what basis are short acting ß2 agonists used in asthma?

A

‘As required’ for increased symptoms

They can also be used in high doses for acute asthma attacks

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10
Q

What does the device in which inhaled drugs are administered chosen based on?

A

Child’s age and preference

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11
Q

What devices can be used to administer inhaled drugs?

A
  • Pressured metered dose inhaler (and spacer)
    Breath-actuated metered dose inhalers
  • Dry powder inhalers
  • Nebulisers
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12
Q

What age group are pressured metered dose inhalers suitable for?

A

All age groups

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13
Q

What should children aged 0-2 years be given with a pressured metered dose inhaler?

A

Space and face mask

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14
Q

When is a spacer used with a metered dose inhaler?

A

Recommended for all children, but definitely needed in children >3 years

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15
Q

Why are spacers recommended for all children?

A
  • Increases drug depositions for lungs

- Reduced oropharyngeal deposition

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16
Q

What is the advantage of reduced oropharyngeal deposition?

A

It reduces side effects when using a steroid inhaler

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17
Q

Why are spacers useful in acute asthma attacks?

A

Because poor inspiratory effort may impair the use of inhalers directly into the mouth

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18
Q

Who can breath-actuated metered dose inhalers be used in?

A

Children 6+ years

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19
Q

What is the advantage of breath-actuated metered dose inhalers?

A

Less co-ordination is required then with a pressured metered dose inhaler without a spacer

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20
Q

What is the result of breath-actuated metered dose inhalers not requiring a spacer?

A

They are good when ‘out and about’ in older children

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21
Q

What age group are dry powder inhalers useful in?

A

4+ years

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22
Q

When are dry powder inhalers not good?

A
  • Severe asthma

- Acute attack

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23
Q

Why are dry powder inhalers not good in severe asthma or acute attacks?

A

Because they need a good inspiratory flow

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24
Q

What age group are nebulisers used in?

A

Any age

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25
When are nebulisers used?
Only in acute asthma, when oxygen is required in addition to inhaled drugs
26
When can nebulisers be used at home?
Occasionally as part of an acute management plan in those with rapid-onset severe asthma
27
What is ipratropium bromide?
An anti-cholinergic bronchodilator
28
What is ipratropium bromide used for?
Sometimes given to young infants when other bronchodilators are found to be ineffective, or in treatment of acute severe asthma
29
What is step 2 in asthma management?
Regular preventer therapy
30
What is the most effective inhaled preventer therapy?
Inhaled corticosteroids
31
What is the action of inhaled corticosteroids?
Decrease airway inflammation, resulting in decreased symptoms, asthma exacerbations, and bronchial hyperactivity q
32
What are the side effects of low-dose inhaled corticosteroids?
They have no clinically significant side effects when given in low dose, although they cause a mild reduction in height velocity, which is usually followed by a catch-up growth in late childhood
33
What are the side effects of high-dose inhaled corticosteroids?
Systemic side effects, such as impaired growth, adrenal suppression, and altered bone metabolism
34
How are the side effects of inhaled corticosteroids minimised?
Treatment should always be at lowest dose possible
35
What is step 3 in asthma management?
Initial add on therapy
36
What is the first-choice add on therapy in children under 5?
An oral leukotriene receptor antagonist
37
Give an example of an oral leukotriene receptor antagonist
Montelukast
38
What is the first-choice initial add on therapy in children over 5?
LABA (long-acting ß-agonists)
39
What should be done following giving the first-choice initial add on therapy?
Assess response
40
What should be done if good response to initial add on therapy in over 5's?
Remain as is
41
What should be done if there is a partial response to initial add on therapy in over 5's?
Increase ICS dose
42
What should be done if there is poor response to initial add on therapy in over 5's?
Stop LABA and increase ICS dose. Consider oral leukotriene receptor antagonist, and/or slow release theophylline
43
Give 2 examples of LABAs
- Salmeterol | - Formoterol
44
How long are LABAs effective for?
12 hours
45
When should LABAs not be used?
- Acute asthma | - Without inhaled corticosteroids
46
When are LABAs particularly useful?
In exercise-induced asthma
47
What is step 4 in asthma management?
Persistent poor control
48
What should be done when there is persistent poor control in <5 year olds?
Refer to respiratory paediatrician
49
What should be done when there is persistent poor control in 5-12 year olds?
Increase ICS dose
50
What should be done when there is persistent poor control in adolescents and young adults?
Increase ICS and consider leukotriene receptor antagonists, or slow release theophylline
51
What is step 5 in asthma management?
Continuous or frequent use of oral steroids
52
What inhaled steroid dose should be used in step 5 in 5-12 year olds?
You should maintain inhaled steroid dose at 800μg/day
53
What oral steroid dose should be used in step 5 in 5-12 year olds?
Use lowest possible dose to maintain adequate control
54
What should be done in addition to giving steroids in step 5 management in 5-12 year olds?
Refer to respiratory paediatrician
55
What inhaled steroid dose should be used in step 5 in adolescents and young adults?
1600μg/day
56
When is oral prednisolone given in step 5 asthma management?
Alternate days
57
Why is oral prednisolone given on alternate days in step 5 asthma management?
To minimise the adverse effect on growth
58
Who should all children on oral steroid therapy for asthma be managed by?
A specialist in childhood asthma
59
Give an example of an anti-IgE therapy used in asthma
Omalizumab
60
Who can administer anti-IgE therapy with omalizumab in asthma?
Only a specialist in childhood asthma
61
What is omalizumab?
An injectable monoclonal antibody that acts against IgE, which is the natural antibody that mediates allergy
62
What is omalizumab used for?
The treatment of severe atopic asthma
63
Are antibiotics useful in asthma?
Most antibiotics are of no value in the absence of bacterial infection
64
Are cough medicines and decongestants useful in asthma?
No
65
Are anti-histamines useful in asthma?
No, but useful in treatment of allergic rhinitis
66
What are the complications of asthma?
- Acute asthma exacerbations - Permanent narrowing of airways - Missed school days or getting behind in school - Poor sleep and fatigue - Symptoms that interfere with sports, play, or other activities

B - Paediatrics MANAGEMENT (106 decks)

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