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CT angiography of mesenteric vessels in acute mescuteric ischemia / 中华普通外科杂志
Chinese Journal of General Surgery ; (12): 24-27, 2010.
Article in Chinese | WPRIM | ID: wpr-390877
ABSTRACT
Objective To evaluate mesenteric muhidetector row CT angiography (MDCTA) in the diagnosis of acute mesenteric ischemia (AMI).Methods In this study,43 cases of AMI proven by clinical criteria,or operation and pathology underwent whole abdomen MDCT precontrast,arterial phase and venous phase scan with 0.6 mm collimation.The mesenteric arteries and veins were reconstructed by using volume rendering (VR),maximum intensity projection (MIP),thin slab maximum intensity projection (TSMIP) techniques,and abnormal CT angiography findings as well as abnormal bowel and mesentery were analyzed.Results It was found that AMI was caused by superior mesenteric artery (SMA) embolism (n =4),SMA thrombosis (n = 6),mesenteric and portal venous thrombosis (n = 13),SMA dissection (n =5),strangulated bowel obstruction (n = 10) and vasculitis (n = 5).MDCTA showed clearly the position,shape,severity and extent of the vascular occlusion,narrow and dissection.It could also demonstrate the abnormal course and direction of the vessels including vascular gathering,shift,tortuosity,retortion,and twist.Furthermore,the pathogenesis of various conditions including atherosclerotic plaque,emboli,thrombosis,dissection,tumorous invasion,strangulated bowel obstruction and vasculitis could be identified by MDCTA.Conclusion MDCTA can clearly demonstrate direct signs leading to AMI,and identify AMI and its etiology at early stage,with the combination with its indirect findings.

Full text: Available Index: WPRIM (Western Pacific) Type of study: Prognostic study Language: Chinese Journal: Chinese Journal of General Surgery Year: 2010 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Type of study: Prognostic study Language: Chinese Journal: Chinese Journal of General Surgery Year: 2010 Type: Article