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Acute mesenteric ischemia caused by floating thrombus of the descending thoracic aorta - case report



Rok publikování 2020
Druh Článek v odborném periodiku
Časopis / Zdroj cor et Vasa
Fakulta / Pracoviště MU

Lékařská fakulta

Klíčová slova Abdominal pain; Acute mesenteric ischemia; Descending thoracic aorta; Floating thrombus
Popis Introduction: Floating thrombus of the descending thoracic aorta (FTDTA) is defined as the presence of a thrombus inside the thoracic aorta, which is caused by an injury to the thoracic aortic wall (dissection, atherosclerosis, tumour, or trauma) or a thrombophilic state in the absence of a thoracic aortic wall injury. It is a rare condition, but can result in peripheral embolisation mainly into the limbs or visceral circulation. Report: A 63-year-old woman presented with signs of visceral embolisation into the superior mesenteric artery (SMA) and splenic artery (SA). Preoperative CT angiography (CTA) discovered the presence of FTDTA. She underwent emergent open embolectomy of the descending thoracic aorta and SMA done through a visceral segment of the abdominal aorta, reached by left-sided medial visceral rotation. During second-look laparotomy, she underwent splenectomy and ileal resection with end-to-end jejuno-ileal anastomosis. CTA of the thoracic and abdominal aorta performed 12 months after the initial operation showed no residual thrombus inside the aorta and patent peripheral vascular beds. Thirty-two months after the index operation, the patient shows no signs of malabsorption and is in good clinical condition. Conclusion: Acute mesenteric ischemia resulting from embolisation of FTDTA is a rare disease. Our surgical approach was guided by the primary abdominal symptomatology of our patient and a clinical suspicion of transmural bowel ischemia being present. Our good clinical outcome confirms the viability of the open surgical approach towards the therapy of complicated FTDTA.
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