Arthritis Rheum :患有RA且抗CCP抗体阳性的绝经妇女死亡率较高

2014-01-15 佚名 睿医资讯

新近一项研究显示,患有风湿性关节炎(RA)且体内有抗环瓜氨酸肽(CCP)抗体的绝经妇女,其死亡率增高2倍。研究结果发表于美国风湿病学会(American College of Rheumatology,ACR)杂志《Arthritis & Rheumatism》,报道指出,在对年龄、阳性风湿因子、阳性抗核抗体(ANA)和改善病情抗风湿药物(DMARD)的使用后,此类人群的死亡率仍然较高。

新近一项研究显示,患有风湿性关节炎(RA)且体内有抗环瓜氨酸肽(CCP)抗体的绝经妇女,其死亡率增高2倍。研究结果发表于美国风湿病学会(American College of Rheumatology,ACR)杂志《Arthritis & Rheumatism》,报道指出,在对年龄、阳性风湿因子、阳性抗核抗体(ANA)和改善病情抗风湿药物(DMARD)的使用后,此类人群的死亡率仍然较高。

ACR数据显示,美国有130万成人受RA困扰,其中75%为女性。既往研究报告,RA患者的死亡率比健康对照者高1.5倍。循证医学指出,死亡率过高主要是由心血管疾病所致,且目前正患有RA的患者比新近诊断的患者死亡率更高。

然而,观察性数据显示,甲氨喋呤可减少心血管疾病的发生并降低死亡率。

匹兹堡大学的研究者们对妇女健康倡议(Women's Health Initiative,WHI)研究的近1万名自评患有RA的女性进行了抗CCP抗体、风湿因子和ANA的测定。纳入受试者的平均年龄为64岁,其中65%为白人女性,25%为黑人女性,10%为西班牙裔。

研究结果显示,受试者中8.1%体内有抗CCP抗体,其中58%在随访期间使用了DMARD。其他9179名女性自评患有RA但抗CCP抗体阴性,该群体中仅7.3%使用了DMARD。在为期10年的研究期内,13%的女性死亡:研究开始和随访期内发生RA的女性其死亡率为14%,基线时患有RA的女性其死亡率为16%,随访期内发生RA的女性其死亡率为11%。

进一步进行分析后明确,包括冠心病及卒中在内的心血管疾病和癌症为RA女性患者的主要死因。抗CCP抗体阳性的女性死亡率大幅升高,且与甲氨喋呤等DMARD的使用以及可调整的死亡相关危险因素无关。

原文出处

Kuller LH, Mackey RH, Walitt BT, Deane KD, Holers VM, Robinson WH, Sokolove J, Chang Y, Liu S, Parks CG, Wright NC, Moreland LW.Determinants of mortality among postmenopausal women who report rheumatoid arthritis in the Women's Health Initiative.Arthritis Rheum. 2013 Dec 23.

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