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Diagnostic and therapeutic experience of portal vein stenosis after pediatric liver transplantation from donation after citizen's death graft:a report of 30 cases / 中华器官移植杂志
Chinese Journal of Organ Transplantation ; (12): 400-403, 2019.
Article in Chinese | WPRIM | ID: wpr-755954
ABSTRACT
Objective To summarize the experiences of diagnosing and treating portal vein stenosis (PVS) after pediatric liver transplantation from China donation after citizen 's death (CDCD) grafts .Methods Retrospective analysis was performed for 30 cases of pediatric CDCD liver transplantation recipients with PVS .The screening ,diagnosis ,treatment and prognosis of PVS were analyzed .Results Among 218 pediatric liver transplantation recipients with CDCD grafts ,PVS was diagnosed in 30 cases with an incidence rate of 13 .8% (30/218) .The initial diagnosis of PVS ranged from 5 days to 27 months post-operation with a median age of 2 .9 months .Ultrasonography indicated that stenotic rate of anastomotic site diameter was (41 .28 ± 12 .93)% and blood flow velocity ratio (358 .77 ± 117 .82)% .Intervention examination showed average pressure gradient was (9 .06 ± 5 .34) mmHg between both sides of stenosis . All cases underwent percutaneous intrahepatic balloon dilatation .The recipients were followed up for a median follow-up time of 23(3-63) months .For three cases of restenosis ,percutaneous intrahepatic balloon dilatation was repeated .Two cases underwent stent implantation due to ineffective balloon dilation .After treatment ,the stenotic rate of anastomotic site diameter was (34 .69 ± 8 .82) and blood flow velocity ratio (61 .18 ± 63 .11)% on ultrasound while the average pressure gradient was (1 .03 ± 0 .85) mmHg .Conclusions PVS is a common vascular complication after pediatric CDCD liver transplantation .Portal vein balloon dilation is both safe and efficacious .However ,some cases require repeated balloon dilation and stent implantation serves as the last option for intractable PVS .Color ultrasound is both convenient and effective for making a primary diagnosis and evaluating outcomes .

Full text: Available Index: WPRIM (Western Pacific) Type of study: Diagnostic study Language: Chinese Journal: Chinese Journal of Organ Transplantation Year: 2019 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Type of study: Diagnostic study Language: Chinese Journal: Chinese Journal of Organ Transplantation Year: 2019 Type: Article