Bài viết Hiệu quả của phẫu thuật Meso-Rex Bypass trong điều trị tắc nghẽn tĩnh mạch cửa ngoài gan ở trẻ em trình bày đánh giá kết quả phẫu thuật Meso-Rex bypass trong điều trị TALTMC do tắc nghẽn TMC ngoài gan ở trẻ em. | Journal of Pediatric Research and Practice Vol. 6 No. 3 4 2022 31-42 Research Paper Effectiveness of Meso-Rex Bypass in the Management of Extrahepatic Portal Vein Obstruction in Children Ngo Kim Thoi1 Pham Quoc Tung2 Truong Anh Linh1 Nguyen Huu Chi1 Dao Trung Hieu1 1 Children s Hospital No1 341 Su Van Hanh Ward 10 District 10 Ho Chi Minh City Vietnam 2 University of Medicine and Pharmacy 217 Hong Bang Ward 11 District 5 Ho Chi Minh City Vietnam Received 12 April 2022 Revised 7 May 2022 Accepted 10 May 2022 Abstract Background Portal hypertension is a term used to describe abnormally elevated pressures in the portal venous system or the pressure gradient between the portal vein and the inferior vena cava. Thrombosis and cavernous transformation of the portal vein are the most common extrahepatic portal vein obstruction causes in children. It may lead to variceal bleeding ascites jaundice hepatic encephalopathy coagulopathy and hypersplenism which results in low platelet counts. Meso-Rex bypass is a surgical procedure that utlilizes an autologous shunt bridging from the superior mesenteric vein into the Rex recess of the left portal vein restore normal portal venous circulation. Meso-Rex bypass is therefore considered the gold standard treatment and shows good results. Objectives This study was conducted to evaluate the effectiveness of Meso-Rex bypass in the management of extrahepatic portal vein obstruction in children. Methods A retrospective study describe a series of cases diagnosed as portal hypertension underwent Meso-Rex bypass from January 2020 to December 2020 at Children s Hospital . The patients were performed Doppler ultrasound computed tomography angiography and wedged hepatic vein portography preoperatively to assess patency of portal venous system superior mesenteric vein and internal jugular vein. Demographic statistics clinical characteristics and imaging pre-op were all collected. Doppler US is utilized for subsequent follow up to assess the .
