Asthma
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What is the confirmed variable expiratory airflow limitation in asthma?

FEV1/FVC is reduced, usually >0.75-0.80 in adults

For asthma, the initial controller treatment involves referring to the ______.

sheet

Which of the following are common issues to assess before considering a step-up in asthma treatment? (Select all that apply)

  • Incorrect inhaler technique (correct)
  • Poor adherence (correct)
  • Symptoms due to comorbidities (correct)
  • Increased outdoor activity
  • Corticosteroids are recommended for outpatient use with pneumonia.

    <p>False</p> Signup and view all the answers

    What is RSV prevention administered to infants under 8 months entering their first RSV season?

    <p>Nirsevimab</p> Signup and view all the answers

    Which antiviral is recommended for children 2 weeks and older?

    <p>Oseltamivir</p> Signup and view all the answers

    Group A COPD patients with mMRC 0-1, CAT <=2 should receive a ______.

    <p>bronchodilator (LABA)</p> Signup and view all the answers

    What should the asthma action plan include?

    <p>Patient's usual asthma meds, when/how to increase meds, how to access medical care if symptoms fail to respond.</p> Signup and view all the answers

    ICS increases the risk for pneumonia in COPD patients.

    <p>True</p> Signup and view all the answers

    What is the minimum duration for antibiotic treatment recommended for pneumonia?

    <p>5 days</p> Signup and view all the answers

    What are the components to assess in personalized asthma management?

    <p>Lung function</p> Signup and view all the answers

    Using ICS-formoterol as a reliever reduces the risk of exacerbations compared to using a SABA reliever.

    <p>True</p> Signup and view all the answers

    What should be done before considering a regimen with SABA reliever?

    <p>Check patient adherence with daily controller.</p> Signup and view all the answers

    The preferred reliever for Track 1 is __________.

    <p>low-dose ICS-formoterol</p> Signup and view all the answers

    Match the asthma treatment steps with their descriptions:

    <p>Step 3 = Low dose maintenance ICS-formoterol Step 4 = Medium dose maintenance ICS-formoterol Step 5 = Add-on LAMA Refer for phenotypic assessment ± anti-IgE, anti-IL5/5R, anti-IL4R</p> Signup and view all the answers

    Consider high dose __________ when adding treatments.

    <p>ICS-formoterol</p> Signup and view all the answers

    Which of the following are alternative reliever options mentioned?

    <p>LTRA</p> Signup and view all the answers

    What is the first step in controller treatment for patients with asthma who have symptoms less than twice a month?

    <p>As-needed low dose ICS-formoterol</p> Signup and view all the answers

    Which treatment step corresponds to patients experiencing symptoms most days or waking with asthma once a week or more?

    <p>Step 3</p> Signup and view all the answers

    A patient with asthma symptoms occurring twice a month should start at Step 2.

    <p>True</p> Signup and view all the answers

    What should be assessed in patients before starting controller treatment for asthma?

    <p>Diagnosis confirmation, symptom control, comorbidities, inhaler technique, patient preferences.</p> Signup and view all the answers

    What is a preferred reliever for patients prescribed maintenance and reliever therapy?

    <p>As-needed low dose ICS-formoterol</p> Signup and view all the answers

    Low-dose ICS-form is the reliever only for patients prescribed __________.

    <p>bud-form or BDP-form maintenance and reliever therapy</p> Signup and view all the answers

    Which of the following is NOT listed as a component of the preferred controller options for asthma?

    <p>Short-acting $ß_2$-agonist (SABA)</p> Signup and view all the answers

    What additional therapy may be added for patients with low lung function?

    <p>Refer for phenotypic assessment + add-on therapy, for example, tiotropium, anti-IgE, anti-IL5/5R, anti-IL4R.</p> Signup and view all the answers

    What is a preferred controller to prevent exacerbations in children with asthma?

    <p>Inhaled corticosteroid (ICS)</p> Signup and view all the answers

    Daily low dose inhaled corticosteroid (ICS) is recommended for all children with asthma.

    <p>False</p> Signup and view all the answers

    What should be assessed during the management of a child's asthma?

    <p>Diagnosis confirmation, symptom control, risk factors, comorbidities, inhaler technique, adherence, preferences, and goals.</p> Signup and view all the answers

    The short-acting medication used as a reliever for asthma is called a __________.

    <p>beta-agonist (SABA)</p> Signup and view all the answers

    Which of the following are modifiable risk factors in asthma management? (Select all that apply)

    <p>Environmental triggers</p> Signup and view all the answers

    What is a non-pharmacological strategy for managing asthma?

    <p>Avoiding allergens, practicing good inhaler techniques, and education.</p> Signup and view all the answers

    Match the following steps with their description in asthma medication management:

    <p>Step 1 = Preferred controller to prevent exacerbations Step 2 = Daily low dose inhaled corticosteroid (ICS) Step 3 = Low dose ICS-LABA or medium dose ICS Step 4 = Medium dose ICS-LABA, refer for expert advice Step 5 = Refer for phenotypic assessment + add-on therapy</p> Signup and view all the answers

    What should be confirmed first in the assessment of a child with asthma?

    <p>Diagnosis confirmation</p> Signup and view all the answers

    If a child has symptoms most days and low lung function, a medium dose ICS-LABA should be started.

    <p>True</p> Signup and view all the answers

    What should be initiated if a child has symptoms most days or wakes at night at least once a week?

    <p>Low dose ICS-LABA or medium dose ICS</p> Signup and view all the answers

    What is the treatment step for children with asthma who have symptoms twice a month or more?

    <p>Daily low dose ICS</p> Signup and view all the answers

    A child with asthma who has symptoms less than twice a month does not need any daily medication.

    <p>True</p> Signup and view all the answers

    A short course of ______ may also be needed for patients presenting with severely uncontrolled asthma.

    <p>OCS</p> Signup and view all the answers

    Study Notes

    Asthma

    • Diagnosing asthma involves:
      • History of respiratory symptoms that vary in time and intensity, occurring or worsening at night, when walking, or triggered by exercise, laughter, allergens, or cold air
      • Confirmed variable expiratory airflow limitation, with FEV1 reduction and FEV1/FVC ratio usually >0.75-0.80 in adults
      • Documented excessive variability in lung function
    • Shared decision making involves:
      • Inhaler skills and adherence
      • Written asthma action plan
      • Self-monitoring of symptoms and/or peak flow
      • Regular medical review
    • Non-pharmacological interventions include:
      • Smoking cessation
      • Physical activity
      • Investigation for occupational asthma
      • Identification of aspirin-exacerbated respiratory disease
    • Initial controller therapy:
      • Sustained step-up for at least 2-3 months
      • Short-term step-up for 1-2 weeks
      • Day-to-day adjustment by the patient
    • Stepping down asthma therapy:
      • Considered once good asthma control has been achieved and maintained for 3 months
      • Aim to find the lowest therapy that controls symptoms and exacerbations while minimizing side effects
    • Treating exacerbations:
      • Acute or sub-acute worsening of symptoms and lung function from the patient's usual status
      • Oral corticosteroids (preferably morning dose) for 5-7 days
      • Tapering not needed if OCS has been given for less than 2 weeks
    • Stepwise approach for children under 5:
      • Step 1: As-needed inhaled SABA
      • Step 2: Low-dose ICS daily plus SABA as needed or daily LTRA + SABA as needed
      • Step 3: Double low-dose ICS + SABA as needed or low-dose ICS + LTRA
      • Step 4: Continue controller and refer to specialist for assessment

    COPD

    • Group E (exacerbation): those with ≥2 moderate exacerbations or ≥1 leading to hospitalization
    • LABA + LAMA (consider LABA+LAMA+ICS if blood eosinophil ≥300)
    • ICS increases risk of pneumonia in these patients
    • For those with 0 or 1 moderate exacerbations (not leading to hospital admission):
      • Group A: Bronchodilator (LABA) with mMRC 0-1, CAT ≤2, CAT ≥10

    Community-Acquired Pneumonia

    • Adults:
      • Viral causes including influenza
      • Bacterial causes including streptococcus, Haemophilus influenzae, Staphylococcus aureus, Mycoplasma, Chlamydia, and Legionella
    • Outpatient treatment:
      • For healthy adults without comorbidities or risk factors for antibiotic-resistant pathogens:
        • Amoxicillin 1g three times daily or
        • Doxycycline 100mg twice daily
    • High-risk individuals:
      • Combination therapy:
        • Amoxicillin/clavulanate or Cephalosporin
        • AND Macrolide (azithromycin or clarithromycin) or Doxycycline
        • Or monotherapy: respiratory fluoroquinolone (floxacin)
    • How to choose an agent:
      • Consider recent antibiotic use and choose a different class
    • Duration of treatment:
      • Minimum of 5 days
      • Patients should be afebrile and clinically stable for 48-72 hours before stopping

    RSV

    • Nirsevimab:
      • A monoclonal antibody for infants under 8 months entering their first RSV season (October-March) not vaccinated
      • Children up to 24 months who remain at risk of severe RSV disease through their second season
      • Vaccinating pregnant people (32-36 weeks) generally means the baby will not need Nirsevimab
    • Palivizumab:
      • A monoclonal antibody produced by recombinant DNA
      • Used for RSV prevention in infants/children at high risk for severe RSV disease
      • Noted reduced RSV disease hospitalization rate by up to 55%
      • Provides passive immunity, plays no role in treating acute RSV, and is FDA-approved for adults at high risk for severe RSV
    • RSV Vaccination:
      • Provides protection against RSV
      • Models:
        • Direct immunization of at-risk adults
        • Immunize during pregnancy (especially in adults ≥60 years)

    Flu

    • Antiviral therapy:
      • Does not treat the virus but helps prevent mortality and hospitalizations
      • Recommend for anyone exposed to flu or has flu
      • Management:
        • Antivirals:
          • Oseltamivir (children 2 weeks and older)
          • Zanamivir (children 7 and older)
          • Peramivir (children 2 and older, IV only)
          • Baloxavir (children 5-12, not for pregnant or lactating women)
      • Empiric treatment most effective within 24 hours
      • For outpatients with suspected or confirmed uncomplicated influenza:
        • Oral oseltamivir or inhaled zanamivir or oral baloxavir

    COVID-19

    • Preferred therapies:
      • With + SARS test, eligible adults, and pediatrics patients at risk for severe COVID-19:
        • Ritonavir-boosted nirmatrelvir PO (start within 5 days of symptom onset for 5 days)
        • Remdesivir IV (start within 7 days of symptom onset for 3 days)
      • Alternative therapies: bebtelovimab and molnupriravir

    Allergic Rhinitis

    • Three classes of drugs are utilized:
      • Glucocorticoids (intranasal):
        • Best for both seasonal and perennial rhinitis
        • Examples: budesonide, fluticasone propionate (flonase), and triamcinolone
        • Adverse effects: nasal mucosa drying, burning/itching, sore throat, epistaxis
      • Antihistamines (oral and intranasal):
        • First line for mild-moderate allergic rhinitis
        • Most effective when taken prophylactically
        • Examples:
          • Ethanolamines (diphenhydramine) and phenothiazines (promethazine)
          • Alkylamines (chlorpheniramine) only modest reduction in alertness
          • Fexofenadine (reduce dose for renal impairment)
          • Intranasal: azelastine and olopatadine
      • Sympathomimetics (oral and intranasal):
        • Only relieve congestion
        • Adverse effects: rebound congestion when used > a few days
        • Examples:
          • Phenylephrine (oral and nasal)
          • Pseudoephedrine (oral)

    Personalized Asthma Management

    • Assess and adjust treatment based on individual patient needs, considering:
      • Symptoms
      • Exacerbations
      • Side-effects
      • Lung function
      • Patient satisfaction

    Confirmation of Diagnosis

    • Verify diagnosis by considering:
      • Symptom control and modifiable risk factors
      • Lung function
      • Comorbidities
      • Inhaler technique and adherence
      • Patient preferences and goals

    Treatment of Modifiable Risk Factors and Comorbidities

    • Implement non-pharmacological strategies
    • Adjust asthma medications (up, down, or between tracks)
    • Provide education and skills training

    Controller and Preferred Reliever (Track 1)

    • Using ICS-formoterol as reliever reduces exacerbation risk compared to SABA reliever
    • Treatment steps:
      • As-needed low-dose ICS-formoterol (Steps 1-2)
      • Low-dose maintenance ICS-formoterol (Step 3)
      • Medium-dose maintenance ICS-formoterol (Step 4)
      • Add-on LAMA, refer for phenotypic assessment ± anti-IgE, anti-IL5/5R, anti-IL4R, consider high-dose ICS-formoterol (Step 5)

    Controller and Alternative Reliever (Track 2)

    • Before considering SABA reliever, ensure patient is likely to adhere to daily controller
    • Alternative controller options for either track
    • Reliever options:
      • As-needed short-acting β2-agonist (Steps 1-5)
      • Take ICS whenever SABA taken (Step 1)
      • Low-dose maintenance ICS (Step 2)
      • Low-dose maintenance ICS-LABA (Step 3)
      • Medium/high-dose maintenance ICS-LABA (Step 4)
      • Add-on LAMA, refer for phenotypic assessment ± anti-IgE, anti-IL5/5R, anti-IL4R, consider high-dose ICS-LABA (Step 5)

    Assessing Asthma Patients

    • Diagnosis confirmation is necessary
    • Assess symptom control, modifiable risk factors, and lung function
    • Identify comorbidities and evaluate inhaler technique and adherence
    • Consider patient preferences and goals

    Initial Treatment Steps

    • Mild Symptoms (<2 times a month): As-needed low dose ICS-formoterol (Step 1)
    • Moderate Symptoms (≥2 times a month, but < daily): Daily low dose inhaled corticosteroid (ICS) or as-needed low dose ICS-formoterol (Step 2)
    • Daily Symptoms, or Waking with Asthma ≥1 time a week: Low dose ICS-LABA (Step 3)
    • Daily Symptoms, Waking with Asthma ≥1 time a week, and Low Lung Function: Medium dose ICS-LABA (Step 4)
    • Severe Symptoms: High dose ICS-LABA and consider referring for phenotypic assessment and add-on therapy (Step 5)

    Preferred Controllers

    • As-needed low dose ICS-formoterol to prevent exacerbations and control symptoms
    • Low dose ICS taken whenever SABA is taken
    • Daily leukotriene receptor antagonist (LTRA) as an alternative controller option

    Preferred Relievers

    • As-needed low dose ICS-formoterol for patients prescribed maintenance and reliever therapy
    • As-needed short-acting β²-agonist (SABA) as an alternative reliever option

    Personalized Asthma Management in Children 6-11 Years

    Asthma Medication Options

    • Adjust treatment up and down for individual child's needs based on symptoms, side-effects, lung function, and child and parent satisfaction
    • Medication options include:
      • Step 1: PREFERRED CONTROLLER to prevent exacerbations and control symptoms
      • Step 2: Daily low dose inhaled corticosteroid (ICS) with dose ranges varying for children
      • Step 3: Low dose ICS-LABA or medium dose ICS
      • Step 4: Medium dose ICS-LABA, with referral for expert advice
      • Step 5: Referral for phenotypic assessment and add-on therapy, such as anti-IgE
    • Other Controller Options:
      • Low dose ICS taken whenever SABA taken or daily low dose ICS
      • Daily leukotriene receptor antagonist (LTRA), or low dose ICS taken whenever SABA taken
    • RELIEVER: As-needed short-acting β2β_2β2​-agonist (SABA) using separate ICS and SABA inhalers

    Assess

    • Confirmation of diagnosis if necessary
    • Symptom control and modifiable risk factors, including:
      • Lung function
      • Comorbidities
      • Inhaler technique
      • Adherence
      • Child and parent preferences and goals

    Adjust

    • Treatment of modifiable risk factors and comorbidities
    • Non-pharmacological strategies
    • Asthma medications (adjust down or up)
    • Education and skills training

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    ASTHMA.docx

    Description

    This quiz covers the diagnosis and management of asthma, including signs and symptoms, trigger factors, and lung function tests.

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