Association of balanced abdominal organ transplant center volumes with patient outcomes.

Association of balanced abdominal organ transplant center volumes with patient outcomes.
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平衡腹部器官移植中心体积与患者预后的关系。

DOI:
10.1111/ctr.14217
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发表时间:
2021
影响因子:
2.1
通讯作者:
Weissman,JoelS
Weissman,JoelS
中科院分区:
医学3区
文献类型:
--
作者:
Adler,JoelT;Tsai,ThomasC;Jin,Ginger;Cron,DavidC;Ross-Driscoll,KatherineH;Malek,SayeedK;Tullius,StefanG;Weissman,JoelS

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背景器官特异性移植的体积与结果关系已得到充分描述;目前尚不清楚机构内肾脏与肝脏体积的相对平衡是否与器官特异性结果相关。我们评估了移植中心内的相对平衡与结果之间的关联。方法对 2005 年至 2014 年美国离体肾脏和肝脏移植进行全国回顾性分析,并持续到 2019 年。潜在类别分析定义了移植中心的表型。多变量 Cox 模型估计了死亡删失的移植物损失和死亡率。结果潜在类别分析确定了四种表型:仅肾脏 (n = 117)、肾脏主导 (n = 36)、混合/平衡 (n = 90) 和肝脏主导 (n = 13)。与混合中心相比,以肾脏为主(HR 1.07,p < .001)和以肝脏为主(HR 1.10,p < .001)中心的肾移植丢失风险较高,而仅以肾脏(HR 1.06,p = .01)中心的死亡率较高。肝移植丢失与表型无关,但以肝脏为主的中心患者死亡风险较低(HR 0.93,p = .02),以肾脏为主的中心患者死亡风险较高(HR 1.06,p = .02)。结论混合表型与肾移植结果改善相关,而以肝脏为主的中心的肝移植结果最好。虽然这些发现需要通过中心级资源进行验证,但共享资源的优化可以改善患者和器官的结果。
BackgroundThe volume‐outcome relationship for organ‐specific transplantation is well‐described; it is unknown if the relative balance of kidney compared with liver volumes within an institution relates to organ‐specific outcomes. We assessed the association between relative balance within a transplant center and outcomes.MethodsNational retrospective analysis of isolated kidney and liver transplants in United States 2005–2014 followed through 2019. Latent class analysis defined transplant center phenotypes. Multivariate Cox models estimated death‐censored graft loss and mortality.ResultsLatent class analysis identified four phenotypes: kidney only (n= 117), kidney dominant (n= 36), mixed/balanced (n= 90), and liver dominant (n= 13). Compared to mixed centers, the risk of kidney graft loss was higher at kidney‐dominant (HR 1.07,p< .001) and liver‐dominant (HR 1.10,p< .001) centers, while kidney‐only (HR 1.06,p= .01) centers had higher mortality. Liver graft loss was not associated with phenotype, but risk of patient death was lower (HR 0.93,p= .02) at liver dominant and higher (HR 1.06,p= .02) at kidney‐dominant centers.ConclusionsA mixed phenotype was associated with improved kidney transplant outcomes, whereas liver transplant outcomes were best at liver‐dominant centers. While these findings need to be verified with center‐level resources, optimization of shared resources could improve patient and organ outcomes.
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