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Portal vein arterialization in 25 liver transplant recipients:A Latin American single-center experience

World Journal of Transplantation 2024年第2期14卷 135-147页

作者： Nicolas Andres Cortes-Mejia Diana Fernanda Bejarano-Ramirez Juan Jose Guerra-Londono Diego Rymel Trivino-Alvarez Raquel Tabares-Mesa Alonso Vera-Torres Division of Anesthesiology Critical Care Medicineand Pain MedicineThe University of Texas MD Anderson Cancer CenterHoustonTX 77030United States Transplant and Hepatobiliary Surgery Department Fundacion Santa Fe de BogotaBogota 110111Colombia General Surgery Department Fundacion Santa Fe de BogotaBogota 110111Colombia

BACKGROUND Portal vein arterialization(PVA)has been used in liver transplantation(LT)to maximize oxygen delivery when arterial circulation is compromised or has been used as an alternative reperfusion technique for complex portal vein thrombosis(PVT).The effect of PVA on portal perfusion and primary graft dysfunction(PGD)has not been assessed.All patients receiving PVA and LT at the Fundacion Santa Fe de Bogota between 2011 and 2022 were analyzed.To account for the time-sensitive effects of graft perfusion,patients were classified into two groups:prereperfusion(pre-PVA),if the arterioportal anastomosis was performed before graft revascularization,and postreperfusion(post-PVA),if PVA was performed afterward.The pre-PVA rationale contemplated poor portal hemodynamics,severe vascular steal,or PVT.Post-PVA was considered if graft hypoperfusion became evident.Conservative interventions were attempted before PVA.

关键词： Liver transplantation Portal vein arterialization Arteriovenous anastomoses Portal hypertension Portal vein thrombosis spontaneous portosystemic shunts Vascular steal phenomenon Primary graft dysfunction Early allograft dysfunction

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Simultaneous embolization of a spontaneous porto-systemic shunt and intrahepatic arterioportal fistula:A case report

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World Journal of Clinical Cases 2021年第31期9卷 9577-9583页

作者： Guo-Feng Liu Xiao-Ze Wang Xue-Feng Luo Department of Gastroenterology and Hepatology Sichuan University-University of Oxford Huaxi Joint Centre for Gastrointestinal CancerWest China HospitalSichuan UniversityChengdu 610041Sichuan ProvinceChina

BACKGROUND Hepatic encephalopathy(HE)is a frequent and debilitating complication of chronic liver disease.Recurrent HE is strongly linked with spontaneous portosystemic shunts(SPSSs).Intrahepatic arterioportal fistulas(IAPFs)occur rarely but pose a major clinical challenge and may lead to or worsen portal hypertension.Herein,we present a rare case of recurrent HE secondary to a SPSS combined with an IAPF.CASE SUMMARY A 63-year-old female with primary biliary cirrhosis presented with recurrent disturbance of consciousness for 4 mo.SPSS communicating the superior mesenteric vein with the inferior vena cava and IAPF linking the intrahepatic artery with the portal vein were found on contrast-enhanced abdominal computed tomography.The patient did not respond well to medical treatment.Therefore,simultaneous embolization of SPSS and IAPF was scheduled.After embolization,the symptoms of HE showed obvious resolution.CONCLUSION The presence of liver vascular disorders should not be neglected in patients with chronic liver disease,and interventional therapy is a reasonable choice in such patients.

关键词： spontaneous portosystemic shunts Intrahepatic arterioportal fistula Endovascular embolization Hepatic encephalopathy Liver disease Case report

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