A 52-year-old man with a known left inguinal hernia presents to the emergency department with acute onset severe left groin pain, abdominal distension, and bilious vomiting for 6 hours. On examination, the hernia is tender, irreducible, and tense. Abdominal examination reveals distension with visible peristaltic waves. Plain abdominal X-ray shows small bowel obstruction with air-fluid levels. What is the most appropriate immediate next step in management?

Explanation

## Clinical Scenario Analysis This patient presents with **acute irreducible inguinal hernia with signs of strangulation**: - Severe pain (not just obstruction) - Tense, irreducible hernia - Small bowel obstruction on imaging - Bilious vomiting and abdominal distension ## Why Immediate Surgery Is Mandatory **Key Point:** Strangulated hernia is a **surgical emergency**. Delay increases risk of bowel necrosis, perforation, sepsis, and death. The combination of irreducibility + obstruction + severe pain = presumed strangulation until proven otherwise. **High-Yield:** Time is bowel. Every hour of strangulation increases morbidity and mortality. Mortality rises from ~5% at <6 hours to >30% after 12 hours if gangrenous bowel develops. ## Correct Management Sequence 1. **Resuscitation:** IV fluids (correct hypovolemia from third-spacing), nasogastric tube (decompress stomach, reduce aspiration risk) 2. **Antibiotics:** Broad-spectrum (e.g., ceftriaxone + metronidazole) to cover gram-negative and anaerobes if perforation suspected 3. **Urgent surgical exploration:** Under general anesthesia, reduce hernia, assess bowel viability, resect if necrotic, repair hernia **Clinical Pearl:** Do NOT attempt manual reduction of a strangulated hernia — risk of reducing gangrenous bowel into abdomen, seeding peritoneal cavity with bacteria. ## Diagnostic Confirmation **Key Point:** Plain X-ray findings of small bowel obstruction + clinical signs of strangulation = sufficient for operative decision. Additional imaging (CT) delays definitive treatment and is not indicated in acute strangulation. --- ## Why Other Options Fail | Option | Why Wrong | |--------|----------| | Observation for 24 hours | Strangulation is irreversible after ~6–8 hours. Waiting guarantees bowel necrosis and sepsis. | | CT abdomen before surgery | Delays definitive treatment. Clinical diagnosis is clear; imaging does not change management. | | Manual reduction + elective repair | Contraindicated in strangulation. Risk of reducing necrotic bowel. Hernia repair must be urgent, not elective. |