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Difficulty: EasyPulmonary and Critical Care

An outpatient clinic evaluates a 6565-year-old male with a known history of severe emphysema. Over the last 4848 hours, he has experienced progressive dyspnea, increased cough frequency, and a new onset of purulent green sputum. He is afebrile. His respiratory rate is 24/min24/\text{min} and oxygen saturation is 90%90\% on room air. Auscultation reveals a significantly prolonged expiratory phase with diffuse expiratory wheezes. Cardiovascular examination demonstrates no jugular venous distension and no peripheral edema. Chest radiography displays flattened diaphragms and hyperlucent lung fields without infiltrates or effusions. Which of the following interventions are indicated for the initial management of this patient's acute exacerbation? (Select all that apply)

  1. Administration of combined inhaled albuterol and ipratropiumAnswer
  2. Administration of oral prednisoneAnswer
  3. Administration of oral azithromycinAnswer
  4. D
    Administration of intravenous furosemide
  5. E
    Administration of intravenous piperacillin-tazobactam

Answer

The correct interventions are the administration of combined inhaled albuterol and ipratropium, oral prednisone, and oral azithromycin.
This patient meets the criteria for an acute exacerbation of chronic obstructive pulmonary disease (AECOPD) with all three cardinal symptoms present: increased dyspnea, increased cough/sputum volume, and increased sputum purulence. The standard, evidence-based initial management for such an exacerbation includes three main pillars. First, dual short-acting bronchodilators (albuterol and ipratropium) are required to immediately relieve bronchospasm. Second, a short course of systemic corticosteroids (like oral prednisone) is indicated to reduce airway inflammation, improve forced expiratory volume, and shorten the recovery duration. Finally, because the patient exhibits increased sputum purulence alongside his other symptoms, empirical narrow-spectrum antibiotics directed at common respiratory pathogens (such as oral azithromycin or doxycycline) are highly indicated to treat a presumed bacterial trigger and reduce the risk of relapse.

Step-by-Step Solution

1
Identify the clinical syndrome from the patient's presentation.
The patient has an acute exacerbation of chronic obstructive pulmonary disease (AECOPD) characterized by the three cardinal symptoms: increased dyspnea, increased sputum volume, and increased sputum purulence.
Recognizing the symptom triad determines the need for the full medical therapy bundle.
2
Rule out alternative diagnoses based on physical exam and imaging.
Lack of jugular venous distension, lack of peripheral edema, and clear lung fields on chest radiography effectively rule out acute decompensated heart failure and lobar pneumonia.
Ensures that interventions like diuretics or alternative antibiotics are not erroneously administered.
3
Determine the appropriate treatment bundle for uncomplicated AECOPD.
Therapy must include a short-acting bronchodilator, a short course of systemic corticosteroids, and a targeted narrow-spectrum antibiotic.
This three-pronged approach directly treats bronchospasm, reduces airway inflammation, and addresses the likely bacterial trigger causing the purulent sputum.

Key Concept

Initial outpatient management of acute chronic obstructive pulmonary disease (COPD) exacerbations requires a combination of short-acting bronchodilators, systemic corticosteroids, and, if specific cardinal symptoms are present, targeted antibiotics.
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Topics

Pulmonary and Critical Care

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