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Difficulty: MediumPreoperative and Postoperative Care

A 68-year-old male is evaluated by the surgical team on postoperative day 3 following an open partial gastrectomy for a gastric mass. The patient has a 40-pack-year smoking history and known chronic obstructive pulmonary disease. He now complains of progressive shortness of breath and chest tightness that began earlier this morning. His temperature is 37.8°C (100.0°F), blood pressure is 145/88 mmHg, pulse is 108/min, and respirations are 24/min. Pulse oximetry shows 89% on room air. Physical examination reveals an anxious patient sitting upright. Jugular venous pressure is estimated at 6 cm H2OH_2O. Lung auscultation demonstrates diffuse expiratory wheezing and a prolonged expiratory phase; there are no crackles. The surgical incision is intact without drainage. Cardiac examination reveals tachycardia with a regular rhythm and no murmurs or gallops. There is no lower extremity edema. Which of the following is the most appropriate next step in management?

  1. Administer inhaled bronchodilators and intravenous methylprednisoloneAnswer
  2. B
    Administer a bolus of intravenous furosemide
  3. C
    Initiate empiric intravenous piperacillin-tazobactam
  4. D
    Obtain blood cultures, urine cultures, and a CT scan of the abdomen
  5. E
    Provide an incentive spirometer and encourage deep breathing exercises

Answer

The most appropriate next step is to administer inhaled bronchodilators and intravenous methylprednisolone.
The patient is experiencing an acute exacerbation of chronic obstructive pulmonary disease (COPD), a known risk following major abdominal surgery in patients with a significant smoking history. The clinical presentation of diffuse expiratory wheezing, a prolonged expiratory phase, hypoxia, and tachypnea, in the absence of signs of volume overload (normal JVP, no crackles), confirms the diagnosis. The standard initial management for a severe COPD exacerbation includes short-acting inhaled bronchodilators (e.g., albuterol, ipratropium) and systemic corticosteroids to reduce airway inflammation. Given the patient's recent partial gastrectomy on postoperative day 3, oral medications should be avoided, making intravenous methylprednisolone the ideal choice.

Step-by-Step Solution

1
Analyze the patient's respiratory presentation and medical history.
The patient has a history of COPD and presents with acute dyspnea, hypoxia, tachypnea, and diffuse expiratory wheezing on postoperative day 3.
Identifying the constellation of signs and symptoms helps differentiate between the various causes of postoperative hypoxia (e.g., pulmonary embolism, pneumonia, atelectasis, heart failure, COPD exacerbation).
2
Evaluate the physical exam findings to rule out alternative diagnoses.
The absence of crackles, normal jugular venous pressure, and lack of peripheral edema make acute decompensated heart failure unlikely. The lack of focal lung findings or high fever makes pneumonia less likely.
Differentiating between fluid overload (common after surgical fluid resuscitation) and a primary airway issue is critical for selecting the correct therapeutic intervention.
3
Determine the appropriate management for the established diagnosis.
The diagnosis is an acute COPD exacerbation. Standard treatment involves short-acting bronchodilators and systemic corticosteroids. Intravenous steroids are preferred here due to the recent partial gastrectomy making oral absorption unreliable.
Targeting the acute bronchospasm and airway inflammation is necessary to reverse the hypoxia and respiratory distress.

Key Concept

Postoperative COPD exacerbations present with dyspnea, hypoxia, and wheezing, and must be clinically differentiated from volume overload (which presents with crackles and elevated JVP). Management requires prompt administration of inhaled bronchodilators and systemic corticosteroids.
Estimated Time:1m 15s
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Topics

Preoperative and Postoperative Care

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