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Zorluk: KolayPulmonary and Critical Care

A 57-year-old man visits his primary care provider due to a 3-day history of progressively worsening shortness of breath and a change in his chronic cough. He states that his usual mild morning cough is now occurring throughout the day and is producing thick, dark yellow sputum. He also feels unusually fatigued. His past medical history is significant for essential hypertension and a 35-pack-year history of smoking; he successfully quit smoking two years ago. His temperature is 37.9°C (100.2°F), blood pressure is 128/82 mm Hg, pulse is 96/min, and respiratory rate is 22/min. Oxygen saturation is 92% on room air. Physical examination reveals an augmented anteroposterior chest diameter and bilateral prolonged expiratory phases with diffuse wheezing. Evaluation of the neck shows flat jugular veins, and there is no trace of lower extremity edema. Cardiac auscultation reveals a regular rate and rhythm with no murmurs or gallops. In addition to inhaled bronchodilators and oral corticosteroids, which of the following is the most appropriate next step in pharmacologic management?

  1. Oral azithromycinCevap
  2. B
    Intravenous furosemide
  3. C
    Intravenous piperacillin-tazobactam
  4. D
    Oral apixaban
  5. E
    Inhaled fluticasone monotherapy

Cevap

Oral azithromycin
The correct option is oral azithromycin. This patient is presenting with a classic acute exacerbation of chronic obstructive pulmonary disease (AECOPD). The standard management for an AECOPD includes supplemental oxygen (if hypoxemic), short-acting bronchodilators, and systemic corticosteroids. In addition, antibiotics are indicated if the patient requires mechanical ventilation or if they have at least two of the three cardinal symptoms (Anthonisen criteria), one of which must be increased sputum purulence. The three cardinal symptoms are increased dyspnea, increased sputum volume, and increased sputum purulence. This patient exhibits all three. For uncomplicated outpatient management, oral macrolides (e.g., azithromycin), cephalosporins, or doxycycline are the antibiotics of choice.

Adım Adım Çözüm

1
Evaluate the clinical presentation and physical exam findings.
The patient has a smoking history, barrel chest, and wheezing, indicating underlying COPD. He presents with acute worsening of dyspnea, increased cough, and purulent sputum.
Identifying the primary syndrome helps narrow the differential diagnosis away from heart failure or pulmonary embolism.
2
Determine the severity and specific criteria met for an acute COPD exacerbation.
The patient has three cardinal symptoms: increased dyspnea, increased sputum volume, and increased sputum purulence (Anthonisen criteria).
The presence of these cardinal symptoms, especially purulent sputum, dictates the need for specific pharmacologic interventions beyond standard bronchodilation.
3
Select the appropriate pharmacologic management based on the established criteria.
Standard therapy includes short-acting bronchodilators and systemic corticosteroids. Because the patient meets the criteria for bacterial involvement (cardinal symptoms), an antibiotic such as a macrolide (oral azithromycin) is indicated.
Antibiotics reduce the risk of treatment failure and mortality in patients with moderate to severe COPD exacerbations characterized by increased sputum purulence.

Anahtar Kavram

Patients with an acute exacerbation of chronic obstructive pulmonary disease (AECOPD) who exhibit increased sputum purulence along with increased dyspnea and/or increased sputum volume should be treated with an oral antibiotic (e.g., azithromycin, doxycycline, or a cephalosporin) in addition to bronchodilators and systemic corticosteroids.
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Pulmonary and Critical Care

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