ISSN ONLINE: 2558-815X
ISSN PRINT: 1584-9244
ISSN-L: 1584-9244

Acute mesenteric thrombosis, small intestine necrosis and peritonitis as a complication of COVID-19 – a case report


INTRODUCTION. Severe acute respiratory syndrome coronavirus 2 (SARS‐CoV‐2) belongs to a family of ribonucleic acid (RNA) viruses, causing novel coronavirus disease 2019 (COVID-19). Because of a global inflammatory response and endothelial damage, COVID‐19 may predispose to coagulation disorders and severe thrombotic events.
CASE PRESENTATION. A 62-year-old man patient was admitted for COVID-19 pneumonia and abdominal pain for 10 days. Because of the rapid deterioration of the clinical status, shock and evidence of peritoneal irritation, the patient was consulted by a surgeon. The native spiral computed tomography (CT) of the abdomen detected enlarged colon filled with air collections and hydro-aeric levels. The surgical intervention revealed diffuse peritonitis with necrosis of the distal ileum secondary to mesenteric thrombosis. A partial resection of the ileum was done. The histological examination showed an infarcted small bowel, with hemorrhage, vascular thrombosis, and signs of necrotizing endovasculitis.
CONCLUSIONS. SARS-CoV-2 binds to ACE2 receptor, which results in increased signalling by thrombin receptors on platelet and endothelial cells, leading to coagulopathy. In older patients presenting with abdominal pain, shock and peritonitis, the most common underlying cause is mesenteric thrombosis which could be a complication of COVID-19.
Keywords: SARS‐CoV‐2, ACE2 receptor, endothelial damage, coagulopathy, mesenteric thrombosis

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St Karidad MBAL, Karidad Medical Health Center, Cardiology, Plovdiv, Bulgaria
Address: 23A Nikola Vapcarov St., Plovdiv 4004, Bulgaria
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Ivanova NG. Acute mesenteric thrombosis, small intestine necrosis and peritonitis as a complication of COVID-19 – A case report. Arch Balk Med Union. 2022;57(3):295-300.