GUT:围手术期低血浆VD水平与CRC不良预后相关

2019-05-07 MedSci MedSci原创

研究发现,CRC手术后循环中25OHD下降。血浆25OHD水平是一个预后生物标志物,低25OHD与不良预后相关,特别是在rs11568820 GG基因型患者中

近日研究人员评估了直肠癌(CRC)手术切除对围手术期血浆维生素D(25OHD)和C反应蛋白(CRP)水平的影响。进而分析循环维生素D水平与CRC预后的关系。

研究人员对92例接受CRC切除的患者进行了连续取样,测定了血浆25OHD和CRP。在生存分析中,研究人员在两个不同的CRC患者组(n=2006,n=2100)中检测了25 OHD和CRP水平,并探讨了预后、循环维生素D与全身炎症反应之间的关系。

连续采样显示,血浆25OHD术后下降(平均17.3 nmol/l, 最低点在术后第1-2天)。CRP在术后3-5天达到峰值(143.1 mg/L),患者术后25OHD下降与CRP无关。队列分析显示,术后12个月的25OHD值(平均为48.8nmol/l)低于术前(54.8nmol/l),术后24个月恢复正常(52.2nmol/l)。美国癌症联合委员会Ⅰ-Ⅲ期生存分析显示,25OHD与CRC死亡率(HR=0.69)和全因死亡率(HR=0.68)之间存在相关性,但与CRP无关。研究人员观察到血浆25OHD和rs11568820基因型(功能性VDR多态性)之间的相互作用,仅对GG基因型患者具有较高的25OHD保护作用(HR=0.511)。

研究发现,CRC手术后循环中25OHD下降。血浆25OHD水平是一个预后生物标志物,低25OHD与不良预后相关,特别是在rs11568820 GG基因型患者中。

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    2019-12-24 yxch36
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