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Difficulty: MediumPreoperative and Postoperative Care

A 72-year-old man is evaluated on postoperative day 2 following an uncomplicated open right hemicolectomy for stage II colon cancer. He reports mild pain at the surgical incision site but is otherwise feeling well. His medical history includes hypertension, diet-controlled type 2 diabetes mellitus, chronic obstructive pulmonary disease (COPD), and heart failure with preserved ejection fraction. His current temperature is 38.2°C (100.8°F), blood pressure is 135/85 mmHg, pulse is 92/min, and respiratory rate is 16/min. Oxygen saturation is 96% on room air. On physical examination, the abdomen is soft and mildly tender around the incision, which shows no purulent drainage, induration, or surrounding erythema. Bowel sounds are hypoactive. Pulmonary auscultation reveals decreased breath sounds at both lung bases and scattered mild expiratory wheezes, but no crackles. Jugular venous pressure is normal at 6 cm H2O. Cardiac examination shows a regular rate and rhythm with no murmurs. His urine output via Foley catheter has been 45 mL/hour over the past 12 hours. Which of the following are the most appropriate next steps in management? (Select 2)

  1. Encourage the use of incentive spirometryAnswer
  2. Promote out-of-bed mobilizationAnswer
  3. C
    Administer empiric broad-spectrum intravenous antibiotics
  4. D
    Order a computed tomography (CT) scan of the abdomen and pelvis
  5. E
    Administer intravenous furosemide

Answer

The most appropriate next steps are encouraging the use of incentive spirometry and promoting out-of-bed mobilization.
The patient is presenting with a low-grade fever and bibasilar atelectasis on postoperative day 2 following a major abdominal surgery. Fevers during the first few days after surgery are extremely common and are typically caused by inflammatory cytokine release triggered by tissue trauma, or are associated with atelectasis. In a hemodynamically stable patient with a clean surgical incision and no signs of systemic sepsis, the most appropriate management is non-pharmacologic. Encouraging incentive spirometry and promoting out-of-bed mobilization are the cornerstones of postoperative pulmonary care. These interventions open collapsed alveoli, improve functional residual capacity, and prevent the progression of atelectasis to pneumonia.

Step-by-Step Solution

1
Analyze the timing and presentation of the patient's fever.
The fever occurs on postoperative day 2 without focal infectious signs (e.g., clear wound, normal hemodynamics, non-toxic appearance).
Timing of postoperative fever helps distinguish normal physiologic responses to tissue trauma (common in days 1-3) and atelectasis from severe infectious causes like surgical site infections or anastomotic leaks.
2
Evaluate the respiratory findings in the context of the patient's medical history.
Decreased breath sounds at the bases indicate atelectasis. Scattered wheezes are consistent with his baseline COPD, while the absence of crackles and normal JVP argue against acute decompensated heart failure.
Differentiating between pulmonary complications (atelectasis, COPD) and cardiac complications (volume overload) is critical for determining appropriate interventions and avoiding harmful therapies like unnecessary diuresis.
3
Select the most appropriate management for early postoperative fever and atelectasis.
The optimal interventions are non-pharmacologic measures, specifically incentive spirometry and early ambulation.
These mechanical interventions effectively improve lung expansion, enhance the clearance of respiratory secretions, and mitigate the risk of pulmonary and thromboembolic complications following abdominal surgery.

Key Concept

Early postoperative fever (days 1-3) is most commonly due to the physiologic inflammatory response to tissue trauma or atelectasis, and is best managed with non-pharmacologic pulmonary interventions like incentive spirometry and early mobilization.
Estimated Time:1m 30s
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Topics

Preoperative and Postoperative Care

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