Semin Arthritis Rheu:抗磷脂抗体与肾移植

2018-10-27 xiangting MedSci原创

APL与移植物血栓形成、损失和持续时间密切相关,但与移植物功能障碍和排斥反应无关。

这项研究旨在评估抗磷脂抗体(aPL)对肾移植后移植结局的影响。

根据PRISMA指南,对EMBASE和PubMed数据库2018年7月以前发表的文章进行系统检索; meta分析使用罕见事件的Peto's比值比(OR)。

22项队列研究符合本项研究的纳入/排除标准,这些研究的结局不同:移植血栓形成(n=9)和血栓预防用药(n=3)、任何原因的移植损失(n=9)、移植物功能障碍(n=3)、持续时间(n=2)、1年时的肾小球滤过率(n=3)和移植排斥反应(n=5)。aPL+受者的移植血栓形成和血栓性微血管病汇总患病率高于阴性受者(分别为10.4%vs 1.7%,p<0.0001和10.2%vs 0%,p=0.005)。未接受抗凝治疗受者的移植血栓形成的汇总患病率为75%,而接受抗凝治疗的受者均无血栓形成(p<0.0001)。移植物损失受者中aPL+的汇总患病率更高(分别为28%vs 18%,p<0.0001);与无损失受者比较,移植物损失受者中aPL的汇总患病率更高(51%vs 33%,p<0.0001)。aPL-和aPL+受者中移植物功能障碍和排斥反应的汇总患病率相似(分别为32.2%vs 40.3%和14.9%vs 14.4%),但aPL+受者的移植物持续时间短于aPL-受者(p=0.001),1年时aPL+受者的肾小球滤过率低于aPL-受者(p<0.0001)。

APL与移植物血栓形成、损失和持续时间密切相关,但与移植物功能障碍和排斥反应无关。口服抗维生素K抗凝剂可以有效预防aPL受者的移植血栓形成。关于aPL在肾移植中作用的争论受到许多研究数据表达为aPL阳性受者的百分比,而不是aPL滴度的限制。

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