NEJM:不明意义的单克隆性血液病长期随访研究

2018-01-18 zhangfan MedSci原创

研究认为,IgM MGUS和非IgM MGUS患者疾病进展风险存在显著差异,MGUS患者的总生存期显著低于对照人群

50岁以上人群中,意义未定的单克隆丙种球蛋白病(MGUS)的发病率约3%。

近日梅奥诊所的研究人员对1960-1994年间1384名MGUS患者进行长期随访研究,平均随访34.1年。研究的主要终点为MGUS疾病进展,包括多发性骨髓瘤、其他浆细胞或淋巴紊乱。

在14130个患者随访年终,147人(11%)出现MGUS进展,与一般人群相比,多发性骨髓瘤、其他浆细胞或淋巴紊乱风险增加6.5倍(95% CI, 5.5-7.7)。非死亡进展事件的发生率,随疾病时间而变化:10年为10%,20年为18%,30年为28%,35年为36%,而40年为36%。IgM MGUS患者,存在2种不良危险因素--无血清游离轻链比率(κ与λ游离轻链之比)和高血清单克隆蛋白水平(M蛋白)(每升≥1.5g)其20年的疾病进展风险为55%,仅存在1种不良风险患者进展风险为19%,而无存在上述2种风险因素患者的疾病进展仅为19%。对于非IgM MGUS患者,存在2种风险因素患者20年的疾病进展率为30%,1种风险因素患者疾病进展风险为20%,而无风险因素患者的疾病进展风险为7%。MGUS患者生存期低于一般对照人群(8.1年vs 12.4年)。

研究认为,IgM MGUS和非IgM MGUS患者疾病进展风险存在显著差异,MGUS患者的总生存期显著低于对照人群。

原始出处:

Robert A. Kyle et al. Long-Term Follow-up of Monoclonal Gammopathy of Undetermined Significance. N Engl J Med. January 18, 2018.

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    2018-03-13 aids221
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    2018-05-07 habb
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    2018-01-18 1ddf0692m34(暂无匿称)

    学习了.好文章

    0

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    2018-01-18 龙胆草

    学习谢谢分享

    0