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Difficulty: MediumGastrointestinal and Abdominal Surgery

A 72-year-old man is brought to the emergency department from an assisted living facility due to worsening nausea, intense lower abdominal pain, and an inability to pass gas for the last 36 hours. His medical history includes hypertension, hyperlipidemia, and a large right groin bulge that he typically pushes back in himself. However, he states he has been unable to reduce the bulge since yesterday morning. His temperature is 38.8°C (101.8°F), blood pressure is 92/58 mmHg, and pulse is 118/min. Physical examination demonstrates dry oral mucosa. The abdomen is distended with high-pitched, hyperactive bowel sounds. Examination of the right groin reveals a 6-cm, tense, erythematous mass extending into the scrotum that is exquisitely tender to touch. Laboratory results show a leukocyte count of 19,000/mm³ and a venous lactate level of 4.8 mmol/L. Which of the following is the most appropriate next step in the management of this patient?

  1. Urgent open surgical exploration and hernia repairAnswer
  2. B
    Manual reduction of the groin mass under conscious sedation
  3. C
    Insertion of a gastric decompression tube and serial examinations
  4. D
    Cross-sectional imaging of the abdomen and pelvis
  5. E
    Administration of intravenous antibiotics and bedside observation

Answer

Urgent open surgical exploration and hernia repair is the correct intervention for a strangulated hernia presenting with systemic toxicity.
The correct approach is immediate open surgical exploration. This patient presents with a small bowel obstruction secondary to an incarcerated inguinal hernia. The presence of systemic toxicity (fever, tachycardia, hypotension) and metabolic derangement (leukocytosis, lactic acidosis) alongside a tense, erythematous groin mass indicates that the hernia has become strangulated (ischemic). This is an absolute indication for emergency surgery to release the constricting ring, resect any necrotic bowel, and repair the fascial defect.

Step-by-Step Solution

1
Identify the primary clinical syndrome from the patient's symptoms and physical exam.
The patient has nausea, inability to pass gas, a distended abdomen, and hyperactive bowel sounds, which are classic signs of a small bowel obstruction (SBO).
Recognizing the obstructive pattern is the first step in determining the etiology.
2
Determine the etiology of the obstruction based on the localized physical findings.
The presence of an irreducible, tense, and erythematous right groin mass indicates an incarcerated inguinal hernia as the cause of the obstruction.
Identifying the transition point or cause of the SBO dictates specific management.
3
Assess for complications such as bowel ischemia or strangulation.
The patient exhibits fever, tachycardia, hypotension, severe localized tenderness, marked leukocytosis, and lactic acidosis.
These findings strongly suggest that the blood supply to the trapped bowel loop is compromised, progressing from simple incarceration to strangulation.
4
Determine the appropriate management timeline based on the presence of complications.
Strangulation represents an acute surgical emergency requiring immediate operative intervention.
Delaying surgery risks bowel necrosis, perforation, peritonitis, and death.

Key Concept

Strangulated hernias require immediate surgical intervention due to the high risk of bowel necrosis, and conservative measures or attempts at manual reduction are contraindicated.
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Topics

Gastrointestinal and Abdominal Surgery

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