A 65-year-old man is evaluated for severe, worsening abdominal pain and persistent bilious emesis. He is currently on postoperative day 6 following a robotic-assisted prostatectomy for localized prostate cancer. The patient reports passing no flatus or stool for the past 24 hours. His temperature is 38.6°C (101.5°F), pulse is 118/min, and blood pressure is 98/60 mmHg. Physical examination reveals a markedly distended and tympanic abdomen. There is significant periumbilical tenderness with involuntary guarding and rebound tenderness. Bowel sounds are absent. Laboratory studies demonstrate a leukocyte count of 18,500/mm³ and a serum lactate level of 4.1 mmol/L. A portable abdominal radiograph shows multiple dilated loops of small intestine with prominent air-fluid levels and a complete absence of colonic gas. Which of the following is the most appropriate next step in patient management?
- Urgent open surgical explorationCevap
- BInsertion of a gastric decompression tube and serial clinical evaluations
- CCross-sectional abdominal imaging with intravenous contrast
- DEmpiric antimicrobial therapy and pan-culturing
- ETherapeutic colonoscopy for bowel detorsion