Motivations and outcomes of compatible living donor-recipient pairs in paired exchange.

Motivations and outcomes of compatible living donor-recipient pairs in paired exchange.
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配对交换中兼容的活捐赠者接收对的动机和结果。

DOI:
10.1111/ajt.16821
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发表时间:
2022-01
期刊:
American journal of transplantation : official journal of the American Society of Transplantation and the American Society of Transplant Surgeons
影响因子:
--
通讯作者:
--
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其他
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越来越多的配对选择加入配对交换计划,但参与的动机、结果和系统层面的影响尚未得到很好的描述。使用移植受者科学登记和国家肾脏登记的链接,我们使用Kaplan-Meier方法比较了传统(最初不相容)受者和最初相容受者的结果。我们确定了154对相容的配对。大多数配对试图改善HLA匹配。与原始献血者相比,实际献血者更年轻(39比50岁,p < 0.001),女性较少(52%比68%,p < 0.01), BMI较高(27比25 kg/m2, p = 0.03), O型血较少(36%比80%,p < 0.01), eGFR较高(99比94 ml/min/1.73 m2, p = 0.02), LKDPI较好(中位数7比22,p < 0.001)。我们观察到移植物衰竭和死亡率没有差异。兼容的配对使280例额外的移植成为可能,其中许多移植是在高度敏感的接受者身上进行的,需要很长时间的等待。兼容的配对接受者从配对交换中获得了一些好处,包括更好的供体质量。活体捐赠对应接受有关所有选择的咨询,包括肾脏配对捐赠。随着越来越多的相容配对选择进入交换计划,应考虑优化相容配对和难以移植的受者的结果。
Increasing numbers of compatible pairs are choosing to enter paired exchange programs, but motivations, outcomes, and system-level effects of participation are not well described. Using a linkage of the Scientific Registry of Transplant Recipients and National Kidney Registry, we compared outcomes of traditional (originally incompatible) recipients to originally compatible recipients using the Kaplan–Meier method. We identified 154 compatible pairs. Most pairs sought to improve HLA matching. Compared to the original donor, actual donors were younger (39 vs. 50 years, p < .001), less often female (52% vs. 68%, p < .01), higher BMI (27 vs. 25 kg/m2, p = .03), less frequently blood type O (36% vs. 80%, p < .001), and had higher eGFR (99 vs. 94 ml/min/1.73 m2, p = .02), with a better LKDPI (median 7 vs. 22, p < .001). We observed no differences in graft failure or mortality. Compatible pairs made 280 additional transplants possible, many in highly sensitized recipients with long wait times. Compatible pair recipients derived several benefits from paired exchange, including better donor quality. Living donor pairs should receive counseling regarding all options available, including kidney paired donation. As more compatible pairs choose to enter exchange programs, consideration should be given to optimizing compatible pair and hard-to-transplant recipient outcomes.
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