Lancet Psychiatry:长期锂维持治疗对精神障碍患者的eFGR的影响

2015-10-08 崔倩 译 MedSci原创

40多年来,锂维持治疗对肾功能的长期影响一直争论不休。该研究的目的是评估锂维持治疗对情感障碍患者估计肾小球滤过率(eFGR)的影响,并探讨了eGFR下降的预测因子。这个人口为基础的队列研究包括在Tayside(英国苏格兰)的成年患者(在基线18-65岁),他们在2000年1月1日和2011年12月31日之间开始进行锂电池维持治疗(回顾性分配为锂治疗组),该研究还包括那些在同一期间(回顾性分配为比较

40多年来,锂维持治疗对肾功能的长期影响一直争论不休。该研究的目的是评估锂维持治疗对情感障碍患者估计肾小球滤过率(eFGR)的影响,并探讨了eGFR下降的预测因子。

这个人口为基础的队列研究包括在Tayside(英国苏格兰)的成年患者(在基线18-65岁),他们在2000年1月1日和2011年12月31日之间开始进行锂电池维持治疗(回顾性分配为锂治疗组),该研究还包括那些在同一期间(回顾性分配为比较组)暴露于治疗情感障碍的一线药物(喹硫平、奥氮平、和丙戊酸半钠)。患者必须有至少6个月(发病率)暴露于锂或任何的比较药物,在观察期间至少两个的eGFR值可用(一个在基线,基线后≥6个月后至少一个)。研究人员排除了之前暴露于锂或一种比较药物的患者,那些之前诊断患有精神分裂症或其它精神障碍的患者,那些患有肾小球疾病、肾小管间质疾病、或在基线时患有4-5阶段慢性肾脏疾病的患者,以及那些在暴露之前经历了肾移植手术的患者。最长随访时间为12年。数据由邓迪大学健康信息中心提供,他们拥有与健康相关的人口为基础的数据集包含每个患者的数据,并且每个患者都登记了一名地区家庭医生。每个患者具有独特的10位数字标识符,即社区健康指数,使我们能够链接实验室测试,分配社区处方,记录苏格兰发病率,和死亡率。据卫生信息中心的标准操作程序,所有数据均匿名。主要成果是调整了年龄、性别和eGFR每年的变化(基线eGFR后),并通过随机系数模型进行分析。

共有1120例患者(305例暴露于锂,815例暴露于对照药物)有资格列入研究,超过12年的随访时间提供了13963个eGFR值。暴露于锂维持治疗的平均持续时间为55个月(SD 42;范围6-144)。锂维持治疗组平均每年eGFR下降(调整年龄、性别、和基线的eGFR)为1.3mL/min每1.73m2(SE 0.2),这与对照组无显著差异(0.9mL/min/1.73m2[SE 0.15])。调整额外的复杂因素后,由于暴露于锂eGFR每个月下降达到0.02mL/min/1.73m2(SE 0.02,P=0.30)。作为事后二次结果,研究人员估计锂维持治疗组eGFR每年下降达到1.0mL/min/1.73m2(SE 0.2),这再一次与比较组没有显著不同(0.4mL/min/1.73m2[SE 0.2]。模型确定了eGFR下降的显著预测因子例如年龄、基线的eGFR、合并症、肾毒性药物的共同处方、和锂毒性发作;然而,暴露于锂的持续时间和平均血清锂水平没有显著预测eGFR的下降。

该研究分析表明,稳定的锂维持治疗(在治疗范围锂水平)对eGFR随着时间的变化率没有影响。因此,该结果相矛盾,与长期锂治疗可导致肾毒性相关事件发生是相矛盾的,治疗持续时间和累积剂量是毒性的主要决定因素。

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    2016-08-02 howi
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    2016-07-19 DEXTER3150
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