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Difficulty: MediumPreoperative and Postoperative Care

A 71-year-old man is evaluated on postoperative day 2 following an open radical cystectomy with ileal conduit creation for muscle-invasive bladder cancer. He has a history of hypertension, diet-controlled type 2 diabetes mellitus, and a 40-pack-year smoking history. The patient currently complains of mild shortness of breath and right-sided chest discomfort when taking a deep breath. He reports severe incisional pain, especially when attempting to cough. His temperature is 38.3°C (100.9°F), blood pressure is 142/88 mm Hg, heart rate is 102/min, respiratory rate is 22/min, and SpO2 is 93% on room air. The midline abdominal incision is clean, dry, and intact. The urostomy is pink and producing clear yellow urine. Cardiopulmonary examination reveals decreased breath sounds at the bilateral lung bases. There are no crackles, wheezing, or jugular venous distention. The lower extremities show no edema or calf tenderness. Which of the following are the most appropriate next steps in management? (Select all that apply)

  1. A
    Administer intravenous furosemide
  2. B
    Initiate empiric intravenous piperacillin-tazobactam
  3. C
    Order a computed tomography scan of the abdomen and pelvis
  4. Optimize systemic or epidural analgesiaAnswer
  5. Encourage frequent use of incentive spirometryAnswer

Answer

The correct next steps in management are to optimize systemic or epidural analgesia and encourage frequent use of incentive spirometry.
This patient is presenting with a low-grade fever, mild hypoxemia, and decreased breath sounds on postoperative day 2 following a major abdominal surgery. This clinical picture is highly characteristic of postoperative atelectasis. Due to severe incisional pain, patients often take shallow breaths (splinting), which leads to alveolar collapse and ventilation-perfusion mismatch. The most effective management strategy addresses both the symptom and the underlying cause: encouraging deep breathing exercises (e.g., incentive spirometry) to re-expand the alveoli, and optimizing analgesia to ensure the patient can perform these exercises without debilitating pain.

Step-by-Step Solution

1
Analyze the postoperative timeline
The patient is on postoperative day 2, which corresponds to the 'Wind' window of early postoperative fever.
Timing is the most critical factor in narrowing the differential diagnosis for postoperative fever.
2
Evaluate the clinical findings
Mild hypoxemia, low-grade fever, splinting, and decreased breath sounds at the lung bases strongly indicate atelectasis.
Identifying the specific signs and symptoms helps differentiate atelectasis from other causes like pneumonia or heart failure.
3
Determine the underlying pathophysiology
Severe incisional pain leads to shallow breathing (splinting) and impaired clearance of secretions, causing small airway collapse.
Understanding the mechanism is necessary to select interventions that address the root cause.
4
Formulate a management plan
The appropriate next steps are to optimize pain control and encourage the use of incentive spirometry.
Treating the pain allows the patient to participate in pulmonary hygiene exercises, which directly reverse the alveolar collapse.

Key Concept

Management of postoperative atelectasis
Estimated Time:1m 30s
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Topics

Preoperative and Postoperative Care

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