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Zorluk: KolayPulmonary and Critical Care

A 68-year-old man with a known history of severe chronic obstructive pulmonary disease (COPD) comes to the emergency department reporting a 3-day history of progressively worsening shortness of breath. He also notes a significant increase in the amount of sputum he produces daily, and he reports the sputum has changed from clear to dark yellow. His last COPD exacerbation was 2 years ago, and he has not been hospitalized recently. Vital signs show a temperature of 37.4°C (99.3°F), blood pressure of 135/85 mmHg, heart rate of 98/min, and respiratory rate of 22/min. Oxygen saturation is 89% on room air. Physical examination reveals a prolonged expiratory phase with diffuse bilateral wheezing. There is no jugular venous distension, and trace bilateral lower extremity edema is present, which the patient states is his baseline. Which of the following are appropriate initial pharmacological interventions for this patient? (Select all that apply)

  1. Administration of an oral macrolide antibioticCevap
  2. Administration of systemic glucocorticoidsCevap
  3. C
    Administration of intravenous furosemide
  4. Administration of nebulized short-acting bronchodilatorsCevap
  5. E
    Administration of intravenous piperacillin-tazobactam

Cevap

The appropriate initial interventions include administration of an oral macrolide antibiotic, systemic glucocorticoids, and nebulized short-acting bronchodilators.
This patient is presenting with an acute exacerbation of COPD, evidenced by increased dyspnea, sputum volume, and sputum purulence (the classic Anthonisen criteria). The standard of care for a COPD exacerbation includes short-acting bronchodilators (e.g., albuterol and ipratropium) to provide immediate relief of bronchospasm, and systemic glucocorticoids to decrease airway inflammation. Furthermore, because the patient exhibits all three cardinal symptoms, including increased sputum purulence, antibiotic therapy is strongly indicated. Because he lacks risk factors for Pseudomonas aeruginosa (such as recent hospitalizations or frequent antibiotic use), a narrow-spectrum agent like a macrolide (e.g., azithromycin) is the most appropriate choice.

Adım Adım Çözüm

1
Evaluate the patient's presenting symptoms and clinical history.
The patient has increased dyspnea, increased sputum volume, and increased sputum purulence in the setting of known COPD.
Identifying the three cardinal Anthonisen criteria confirms an acute exacerbation of COPD with an infectious component.
2
Determine the appropriate standard treatment bundle for an acute COPD exacerbation.
Standard therapy includes supplemental oxygen (to target saturation 88-92%), short-acting bronchodilators, and systemic glucocorticoids.
These interventions reduce airway resistance and decrease inflammation, reversing the acute airflow obstruction.
3
Determine if antibiotics are indicated and select the appropriate spectrum.
Antibiotics are indicated due to the presence of all three cardinal symptoms (or two if one is increased purulence). A narrow-spectrum oral agent is appropriate.
The patient lacks risk factors for Pseudomonas (e.g., frequent exacerbations, recent hospitalizations), so broad-spectrum antibiotics are not necessary.

Anahtar Kavram

The standard initial management of an acute exacerbation of COPD includes short-acting bronchodilators, systemic glucocorticoids, and antibiotics (if specific criteria like increased sputum purulence are met).
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Pulmonary and Critical Care

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