Ann Rheum Dis:暴露于纺织粉尘会增加类风湿关节炎风险

2016-01-15 Seven L 译 MedSci原创

发表在风湿性疾病年鉴上的文章表明,职业暴露于纺织粉尘会导致类风湿关节炎风险增加一倍以上。同时与高风险的遗传易感性相关,产生针对类风湿性关节炎的抗体(ACPA)风险增加,加速疾病的进展。研究人员对910名早期类风湿性关节炎和910名年龄相仿但没有这种疾病的女性进行了比较。所有参与者均回答了相关问题,比如有没有在纺织行业工作,有没有暴露于其他风湿性关节炎的高危因素如其他化学品和二氧化硅粉尘等。同时检测

发表在风湿性疾病年鉴上的文章表明,职业暴露于纺织粉尘会导致类风湿关节炎风险增加一倍以上。同时与高风险的遗传易感性相关,产生针对类风湿性关节炎的抗体(ACPA)风险增加,加速疾病的进展。

研究人员对910名早期类风湿性关节炎和910名年龄相仿但没有这种疾病的女性进行了比较。所有参与者均回答了相关问题,比如有没有在纺织行业工作,有没有暴露于其他风湿性关节炎的高危因素如其他化学品和二氧化硅粉尘等。同时检测参与者血液中有没有提示类风湿关节炎的抗体ACPA。该研究之所以只纳入了女性,是因为纺织类工作的男性是很少,并且男性吸烟多,吸烟本身就是类风显关节炎的一个众所周知的危险因素。

研究数据显示,暴露纺织粉尘的女性中有41(4.5%)名诊断为类风显关节炎,非暴露人群中数据位15(1.7%)名。暴露纺织粉尘的女性发展为类风湿关节炎的风险是非暴露人群的近3倍!此外暴露纺织粉尘的女性ACPA阳性风险也是非暴露人群的2倍多!研究者还发现,63%的类风湿关节炎患者ACPA阳性,只有40%不到的患者携带增加类风湿关节炎风险的基因(HLA-DRB1 SE)。有危险因素还暴露纺织粉尘的女性其ACPA阳性风险是没有危险因素有没有暴露纺织粉尘的女性的39倍!这与相同基因风险因素还吸烟的人群风险相似。

这只是一项观察性研究,不能得出因果关系,潜在解释也只能通过推理得出。织物和用于生产材料的化学物质如染料、阻燃剂、防腐剂和水等的不同,纺织粉尘的性质也会有所不同。纺织粉尘和类风湿性关节炎的风险之间的关联,可能涉及一些潜在的疾病机制。纺织纤维独特的形状,使其能够深入到肺部。另一个潜在的解释可能是由于存在纺织灰尘中的某些细菌产生的毒素,导致呼吸系统疾病,使纺织工人肺部出现炎症反应。

研究者表示,从公共健康的角度来看,研究结果表明应考虑减少纺织粉尘的职业暴露,以达到减少类风湿关节炎发病率的目的。

原始出处:

Chun Lai Too, Nor Asiah Muhamad,et al.Occupational exposure to textile dust increases the risk of rheumatoid arthritis: results from a Malaysian population-based case-control study.Annals of the Rheumatic Diseases.17 December 2015.

Occupational textile dust exposure linked to rheumatoid arthritis.MedicalNewsToday.


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    2016-02-01 1de327fem58(暂无匿称)

    嗯中国的企业家们多看看

    0

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    2016-01-17 lmm397
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招募女性类风湿关节炎患者参加临床试验

类风湿关节炎是一种以侵蚀性关节炎为主要表现的全身性自身免疫病。本病以女性多发,我国大陆地区的类风关患病率约为0.2%~0.4%。 本病表现为以双手和腕关节等小关节受累为主的对称性、持续性多关节肿胀和疼痛,常伴有晨僵。受累关节以近端指间关节,掌指关节,腕、肘和足趾关节最为多见;同时,颈椎、颞颌关节、胸锁和肩锁关节也可受累。中、晚期的患者可出现手指的“天鹅颈”及“钮

PLoS One:类风湿关节炎患者易并发慢性肾病

背景和目的:有关类风湿关节炎(RA)与慢性肾疾病(CKD)和血管球形肾炎关系的大型人群基础研究较少。这项全国性的队列研究调查RA患者形成CKD和血管性球形肾炎的风险,以及心血管并发症的相关风险。方法:研究人员从台湾国家健康保险研究数据库选取12579名RA患者,随机选取37737名无RA的受试者作为对照组。对其随访5年,应用Cox比例风险回归模型分析发生CKD的风险。结果:在随访期间,校正传统心血

Ann Rheum Dis:阿达木单抗诱导治疗类风湿关节炎的临床和影像学结果

目标:研究1年前经阿达木单抗诱导药治疗的早期类风湿关节炎病人的临床和影像学结局,另加以甲氨蝶呤和关节内糖皮质激素的针对性治疗策略。方法:早期类风湿关节炎病人以改变病情抗风湿药(DMARD)的甲氨蝶呤(20mg每周)与关节内糖皮质激素(20 mg/ml)治疗2年。另外,在第一年随机将他们分配到阿达木单抗诱导安慰剂组(予以单抗诱导安慰剂,n=91)和阿达木单抗诱导组(40 mg每隔一周)(予以阿达木单

Annals of the Rheumatic Diseases:新发现:新的血液测试可以提前16年诊断类风湿性关节炎!

科学家们发现了一个标记,可以预测你发生类风湿关节炎(RA)的可能性,甚至在发生十六年之前进行预测。来自牛津大学甘乃迪风湿病学研究所的一个研究小组发现,血液测试,可以找到识别看肌腱蛋白-C的抗体,可以可靠地显示哪些抗体可以可以导致该病的发生。当炎症发生于体内时,在一个叫做瓜氨酸化的过程中一些蛋白质被改变。这些改变的形式可以促使身体发生免疫反应,这可以看成是它开启抗体本身的免疫反应-导致风湿性关节炎。