A man in his 70s experienced cardiopulmonary arrest (CPA) due to acute myocardial infarction. He was resuscitated and treated with a multimodal approach, and he fortunately survived CPA without neurological damage. However, abdominal pain and vomiting occurred 45 days after the CPA. Small intestinal endoscopy showed pinhole-like stenosis of the ileum. Although balloon dilation was performed through the scope, his symptoms did not improve. Partial small bowel resection was eventually performed 139 days after the CPA. Pathological findings revealed ischemic changes in the mucosa at two spots. We speculate that an ischemic event occurred in the small bowel during CPA.
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