Background: Acute mesenteric ischemia (AMI) may present in COVID-19 patients without the classic risk factors of AMI, and the symptoms might confuse physicians, leading to delayed diagnosis and increased mortality. In this manuscript, we report a patient with COVID-19 who presented with AMI as its initial presenting symptom.
Case presentation: A 68-year-old man presented to the emergency room with periumbilical non-radiating pain that had started three days before the admission. He had no defecation or gas passing in the past three days. In the physical exam, the patient had guarding of the abdomen, generalized tenderness, and rebound tenderness. C-reactive protein, Creatine phosphokinase and WBC count were elevate. Abdominal X-ray in the supine position was suggestive of obstruction of the small intestine. Diagnostic laparotomy was performed because of peritonitis and acute abdominal pain. The diagnosis was mesenteric ischemia due to vein thrombosis based on laparotomy and paraclinic findings. In the post-surgery evaluations COVID-19 infection was confirmed based on PCR and chest CT scan.
Discussion: Based on paraclinical, clinical, and diagnostic laparotomy findings, the patient was diagnosed with small bowel obstruction and gangrene due to acute mesenteric ischemia (AMI). But as described, this patient didn't have any history of medical diseases that cause a hypercoagulable state, in the past. While AF was ruled out because his ECG was normal. We concluded that in this patient AMI was due to his infection with COVID-19.
Conclusion: Patients with COVID-19 may not have the typical risk factors for AMI, and AMI diagnosis should be considered in patients presenting with acute abdominal pain, even without the routine risk factors.
Keywords: Acute abdominal pain; Acute mesenteric ischemia; COVID-19; Case report; General surgery; Side to side resection anastomosis.
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