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Difficulty: Very hardSurgical and Procedural Interventions

A rapid response is called for a hospitalized 32-year-old male with a history of ulcerative colitis who has become acutely hypotensive and lethargic. He has been receiving high-dose intravenous methylprednisolone for the past 72 hours for a severe disease flare. Current vital signs include a temperature of 39.4°C (102.9°F), blood pressure of 82/50 mmHg, and heart rate of 138/min. Physical examination demonstrates marked abdominal distension with diffuse guarding, rigidity, and rebound tenderness. Laboratory studies reveal a leukocyte count of 28,000/mm³. An urgent bedside portable abdominal radiograph shows a transverse colon diameter of 9.5 cm with loss of haustral markings and mucosal edema, without evidence of pneumoperitoneum. The general surgery service is consulted to proceed with emergent operative intervention. Which of the following procedural and perioperative management steps are indicated at this time? (Select all that apply)

  1. Total abdominal colectomy with end ileostomyAnswer
  2. Administration of stress-dose intravenous hydrocortisoneAnswer
  3. C
    Total proctocolectomy with ileal pouch-anal anastomosis
  4. D
    Endoscopic decompression via flexible sigmoidoscopy
  5. E
    Preoperative computed tomography of the abdomen with oral contrast

Answer

The correct procedural and perioperative interventions are a total abdominal colectomy with end ileostomy and the administration of stress-dose intravenous hydrocortisone.
The correct answers indicate that the most appropriate management for an unstable patient with toxic megacolon is an emergent total abdominal colectomy with end ileostomy, combined with stress-dose corticosteroids. This surgical approach removes the source of sepsis rapidly without risking a highly vulnerable anastomosis. Concurrently, stress-dose steroids are essential because the patient's adrenal glands are suppressed from recent high-dose corticosteroid therapy and cannot mount the necessary cortisol response to survive the physiological stress of surgery and shock.

Step-by-Step Solution

1
Analyze the clinical presentation.
The patient has a history of severe ulcerative colitis and now presents with septic shock, peritonitis, and radiographic evidence of toxic megacolon (transverse colon >6 cm) failing medical management.
To establish the primary diagnosis and recognize the absolute indication for emergent surgical intervention.
2
Determine the optimal surgical intervention.
Total abdominal colectomy with end ileostomy is selected.
Source control must be achieved rapidly. A definitive restorative procedure is contraindicated in unstable patients to avoid a catastrophic anastomotic leak.
3
Identify critical perioperative medical needs.
Stress-dose intravenous corticosteroids are indicated.
The patient has been on high-dose steroids, leading to HPA axis suppression; supplementary cortisol is required to prevent cardiovascular collapse during the severe physiological stress of emergent surgery.

Key Concept

Emergent surgical management of toxic megacolon requires total abdominal colectomy with end ileostomy to safely achieve source control, along with stress-dose steroids for patients on recent systemic corticosteroid therapy.
Estimated Time:2m 30s
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Topics

Surgical and Procedural Interventions

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