Vascular thrombosis after pediatric liver transplantation: Is prevention achievable?

Vascular thrombosis after pediatric liver transplantation: Is prevention achievable?
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小儿肝移植后血管血栓:可以预防吗?

DOI:
10.1016/j.liver.2023.100185
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发表时间:
2023
期刊:
Journal of liver transplantation
影响因子:
--
通讯作者:
Resch,Jo
Resch,Jo
中科院分区:
--
文献类型:
--
作者:
Martinez,Mercedes;Kang,Elise;Beltramo,Fernando;Nares,Michael;Jeyapalan,Asumthia;Alcamo,Alicia;Monde,Alexandra;Ridall,Leslie;Kamath,Sameer;Betters,Kristina;Rowan,Courtney;Mangus,RichardShane;Kaushik,Shubhi;Zinter,Matt;Resch,Jo

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血管血栓形成(VT)是小儿肝移植(LT)后危及生命的事件。单中心研究已经确定了腹内室性心动过速的危险因素,但大规模的儿科研究缺乏.MethodsThis多中心回顾性队列研究孤立的儿科LT收件人评估前和围手术期变量,以确定室性心动过速的危险因素和抗凝相关的出血complications.ResultsWithin术后7天,31/331(9.37%)患者发展腹内室性心动过速。在多因素分析中,开放性筋膜室速(51.61vs23.33%)仍是唯一的独立危险因素(OR = 2.84,p = 0.012)。与无室性心动过速的患者相比,室性心动过速患者接受了更多的血液制品(83.87 vs 50.00%),移植物丢失(22.58 vs 1.33%)、感染(50.00 vs 20.60%)和计划外返回手术室(70.97 vs 16.44%)的发生率显著更高。出血的风险是相似的(p= 0.2)之间的患者和关闭antiquantitation.ConclusionsProphylactic抗凝并没有增加出血并发症在这个队列。与室性心动过速相关的唯一独立因素是开放筋膜,可能是移植物/受体尺寸不匹配的替代物,支持需要改进手术技术以预防可能无法通过抗凝治疗改变的室性心动过速。
BackgroundVascular thromboses (VT) are life-threatening events after pediatric liver transplantation (LT). Single-center studies have identified risk factors for intra-abdominal VT, but large-scale pediatric studies are lacking.MethodsThis multicenter retrospective cohort study of isolated pediatric LT recipients assessed pre- and perioperative variables to determine VT risk factors and anticoagulation-associated bleeding complications.ResultsWithin seven postoperative days, 31/331 (9.37%) patients developed intra-abdominal VT. Open fascia occurred more commonly in patients with VT (51.61 vs 23.33%) and remained the only independent risk factor in multivariable analysis (OR = 2.84,p= 0.012). Patients with VT received more blood products (83.87 vs 50.00%), had significantly higher rates of graft loss (22.58 vs 1.33%), infection (50.00 vs 20.60%), and unplanned return to the operating room (70.97 vs 16.44%) compared to those without VT. The risk of bleeding was similar (p= 0.2) between patients on and off anticoagulation.ConclusionsProphylactic anticoagulation did not increase bleeding complications in this cohort. The only independent factor associated with VT was open fascia, likely a graft/recipient size mismatch surrogate, supporting the need to improve surgical techniques to prevent VT that may not be modifiable with anticoagulation.
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