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J Clin Periodonto:牙周炎和视网膜微循环在动脉粥样硬化中的风险

2015-03-14 MedSci译 MedSci原创

J Clin Periodonto:牙周炎和视网膜微循环在动脉粥样硬化中的风险关键词:牙周炎 视网膜 微循环在发达国家,牙周疾病(PDs)几乎影响了50%的30岁以上人群。PDs是细菌引起的炎症性疾病,累及支持牙齿的软硬组织。牙根表面的菌斑生物膜是始动因子,破坏牙周结缔组织和牙槽骨。如果不治疗PDs,病情继续发展,最终结果是牙齿脱落。慢性牙周炎是PDs最常见的一种类型,与许多全身状况有关,包括血


在发达国家,牙周疾病(PDs)几乎影响了50%的30岁以上人群。PDs是细菌引起的炎症性疾病,累及支持牙齿的软硬组织。牙根表面的菌斑生物膜是始动因子,破坏牙周结缔组织和牙槽骨。如果不治疗PDs,病情继续发展,最终结果是牙齿脱落。

慢性牙周炎是PDs最常见的一种类型,与许多全身状况有关,包括血管功能障碍。有研究观察到PDs与不断增加的颈动脉IMT之间具有关联。NHANES数据也表明在肱动脉血流动力学变化与牙周附着丧失(牙周炎的关键性临床特征)之间也有关联。

在牙周和心血管疾病关联中,直接和间接的生物学机制参与了此发病过程。直接机制是基于牙周袋内炎性标志物浓度的提高,由此造成血液中的炎性浸润,从而导致远隔器官或组织的炎性病变。无论过程如何,炎症级联反应的上调会导致血管内皮细胞的形态学和通透性改变。因此,牙周炎不仅和大的血管有关联,还会与微血管有关联。到目前为止,没有关于牙周疾病与口腔外微血管关系的研究。

视网膜微循环似乎是探究口腔外微血管的很好的模型。此外,可以通过使用视网膜成像评估视网膜微血管,这是一种非侵入性的和可重复使用的方法。视网膜微循环与牙周炎有共同的危险因子,如肥胖或吸烟。视网膜微循环的改变与卒中、冠心病以及心血管死亡率的风险升高有关。

目的:本次横断面研究的目的是为了探讨牙周炎是否与视网膜微循环(预测心血管疾病的指标)的改变有关。

材料和方法:本研究包括了来自ARIC的457例52岁及以上的患者。作为视网膜中心动脉/静脉(CRAE/CRVE)测量和总结视网膜血管的参数。使用CDC/AAP定义来判断牙周炎。采用多变量线性回归分析模型来评估CRAE、CRVE以及牙周炎之间的关系。

结果:未发现CRAE与牙周状况有关。然而,CRVE与中毒牙周炎则成正相关,并有显著地统计学关联。校正了混杂因素后,健康—牙龈炎组平均CRVE(±标准差)为187.0+17.2μm,中、重度牙周炎组,则分别为188.5±16.3μm和191.6±16.8μm(p=0.04)。仅考虑糖尿病参与者(n=66)而不考虑非糖尿病参与者时,结果是一致的。

结论:重度牙周炎与2型糖尿病患者的较大的视网膜小静脉直径有关。需要进一步研究来探讨糖尿病对牙周炎和视网膜微循环关系的影响。

原始出处:
Boillot A, Bouchard P, Moss K, Offenbacher S, Czernichow S.Periodontitis and retinal microcirculation in the Atherosclerosis Risk in Communities (ARIC)study. J Clin Periodontol. 2015 Feb 28. doi: 10.1111/jcpe.12388.

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    2016-09-13 1e10c84am36(暂无匿称)

    好文章,还会关注

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    2015-08-24 feather89
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    2015-03-15 zutt
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