Arthritis Care Res :吸烟可延缓早期关节炎患者的影像学进展

2014-01-02 佚名 丁香园

为明确吸烟与早期关节炎病情的相关性,来自法国蒙彼利埃大学Lapeyronie医院的Veronique Vesperini博士等人进行了一项研究。该通过对早期关节炎患者的前瞻性队列研究评估正在吸烟(S)、有吸烟史(EX)以及无吸烟史(NS)对治疗反应及疾病影像学进展的影响,分析戒烟对关节炎预后的作用。研究结果发表于2013年12月的《关节炎治疗与研究》(Arthritis Care & Re

为明确吸烟与早期关节炎病情的相关性,来自法国蒙彼利埃大学Lapeyronie医院的Veronique Vesperini博士等人进行了一项研究。该通过对早期关节炎患者的前瞻性队列研究评估正在吸烟(S)、有吸烟史(EX)以及无吸烟史(NS)对治疗反应及疾病影像学进展的影响,分析戒烟对关节炎预后的作用。研究结果发表于2013年12月的《关节炎治疗与研究》(Arthritis Care & Research)杂志上。研究发现,吸烟可延缓早期关节炎患者的影像学进展。【原文下载

ESROIR队列研究是一项针对6周至6月内炎性关节病患者的前瞻性研究,该研究观测了患者的临床症状、生化指标以及影像学资料。研究者观察了不同吸烟状态对疾病表现(基线状态的症状)及1年时治疗反应的影响。当患者12个月时的修正夏普评分≥1分时被认为其关节结构的破坏有进展风险,使用多因素回归进行数据分析,对潜在的混杂因素(包括年龄、性别、入组时关节侵蚀状态、受教育水平、类风湿因子或抗环瓜氨酸抗体阳性、HLA-DRB1表位)进行统计调整。

共有813例患者被纳入该研究。其中641例患者(79%)满足2010美国风湿病学会/欧洲抗风湿联盟(EULAR)类风湿关节炎(RA)分类标准。在被纳入研究时,138例(21.5%)患者为S患者,168例(26.2%)为EX患者,335例(52.3%)为NS患者。在基线状态时,S患者的急性时相反应物明显低于EX及NS患者。在随访的最初12个月里,吸烟状态的差别对28个关节病情活动指数(DAS28)、健康评估问卷得分、EULAR治疗反应、抗风湿改善病情药物和生物制剂的使用均无显著影响。经多因素调整后发现,关节结构破坏的进展风险在近期吸烟患者组中降低。有16例患者在研究开始后的12个月里戒烟,与其他吸烟患者相比,戒烟患者的病情预后无明显差别。

该针对早期关节炎的大型前瞻性队列研究显示,吸烟状态的差别对病情的活动度及关节功能的障碍无显著影响,吸烟甚至可能减轻1年后病情的影像学进展。在吸烟的早期RA患者中,尼古丁的抗炎作用可能可以解释患者较低的全身炎症水平以及关节结构破坏延缓的原因。

研究背景:

类风湿关节炎(RA)是一种慢性炎症性疾病,可引起关节结构的进行性破坏,从而造成患者残疾。基因及环境因素被认为在这种病理机制复杂的疾病中起到了重要的致病作用。吸烟是一种被广泛接受的引起RA发病的环境危险因素,其潜在的机制尚不明确。最近发表的一篇针对16项研究的meta分析指出,相较于不吸烟者,男性吸烟者增加了2倍的RA风险,女性吸烟者增加了1.3倍的RA风险。对于大量吸烟者(≥20包-年),上述风险进一步增高。同时,吸烟还与关节外表现,如类风湿结节、RF和抗CCP抗体阳性有关。

吸烟与早期关节炎的相关性尚不明确。研究者旨在通过本队列研究分析吸烟状态与RA病情活动性、病情严重程度(包括影像学进展)的关系,同时评估戒烟对早期关节炎预后的影响。

原文出处

Vesperini V, Lukas C, Fautrel B, Le Loet X, Rincheval N, Combe B.Association of tobacco exposure and reduction of radiographic progression in early rheumatoid arthritis: results from a French multicenter cohort.Arthritis Care Res (Hoboken). 2013 Dec【原文下载

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    2014-01-04 lmm397
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    2014-01-04 zhaojie88

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美国心脏协会会议的一项报告指出,吸烟对人体所造成的危害,会在戒烟8年后消失。 美国科学家研究发现,戒烟者患心脏疾病和因此死亡的风险,在8年后会降到与不吸烟者一样的水平。也就是说,吸烟危害在戒烟8年后就会消失。这一结论由以阿里·艾哈莫德为首的美国阿拉马特大学专家组通过实验得出。 该实验由3000名志愿者参与,其中2500人从未抽过烟,其余的人在参与实验前已戒烟至少

减少吸烟合理膳食确能降低心血管病死亡率

英国一项最新调查显示,本世纪以来,包括心血管疾病在内的循环系统疾病致死率已降低约一半,但癌症整体致死率却有上升趋势。 英国国家统计局23日公布的一组民众死亡率数据显示,2012年,英格兰和威尔士地区死于心脏病和中风的人数分别约为2.3万和1.7万,比2001年的约4.7万和3.6万降低一半左右。 据介绍,吸烟率降低和膳食合理化等被认为是这两项数据降低的最主要原因

Thorax:科学家发现吸烟导致肺气肿的致病机制

肺气肿是吸烟导致的典型肺疾病之一。肺气肿患者的末端支气管弹性减退,肺泡收缩功能失效,不断膨胀甚至破裂,引起呼吸功能不全和慢性气喘。即使患者戒烟,症状也会继续发展,且无法根治。肺气肿和慢性支气管炎被称为慢性阻塞性肺疾病(COPD)。 根据此前的研究,烟草中的有害物质能够激活分解蛋白质的酶的作用,导致肺泡细胞坏死,引发肺气肿,但这种酶是如何发挥作用的一直没有弄清。 现在,来自日本近畿大学和广岛

欧洲疼痛研究联盟会议 :吸烟使人体疼痛承受能力减弱

据俄罗斯“消息岛”新闻网10月19日消息,挪威医学专家在欧洲疼痛研究联盟会议上发表研究结论称,相较于不吸烟者,吸烟者对疼痛的感受更加敏锐,对疼痛的承受力更低。 据报道,挪威科学家邀请10364名志愿者参与研究实验,其中22.1%的女性志愿者及18.8%的男性志愿者有吸烟习惯,另外38.6%的女性志愿者及46.8%的男性志愿者曾吸过烟。实验结果发现,吸烟者的疼痛承受级别最低,曾吸过烟的志愿者疼痛承

Hum Mol Genet:吸烟改变了我们的基因

2013年12月18日讯 /生物谷BIOON/--时下普遍接受的观点是:吸烟是一个相当大的健康风险因素。近日,来自Uppsala和Uppsala临床研究中心的新研究结果显示,吸烟会导致些许基因的变化,导致吸烟者出现健康问题(如癌症和糖尿病)。【原文下载】 出生时,我们从我们的父母那里继承基因。但以后的生活中,遗传物质可通过表观遗传修饰而改变。这种变化通常是由老化引起的,但环境因素和生活方式也