期刊文献+

冠状动脉粥样硬化斑块与牙周致病菌的关系 被引量:2

Detection of periodontal pathogenic bacteria DNA in coronary atheromatous plaques from patients underwent coronary artery bypass graft
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摘要 目的检测冠状动脉粥样硬化斑块中是否存在牙周致病菌,并比较同一患者动脉粥样硬化斑块及其龈下菌斑中的牙周致病菌的一致性,以探讨冠心病和牙周病之间可能的关系。方法选择51例行冠状动脉搭桥术的患者,术前及术后分别收集龈下菌斑和冠状动脉粥样硬化斑块,采用牙周致病菌特异性引物,通过聚合酶链反应(PCR)技术,检测粥样硬化斑块及龈下菌斑中牙周致病菌的DNA并对扩增产物进行测序分析。结果51例冠状动脉粥样硬化斑块中,牙龈卟啉单胞菌(P.g)的阳性率33%(17例),福赛类杆菌(T.f)的阳性率31%(16例),中间普氏菌(P.i)的阳性率18%(9例),具核梭杆菌(F.n)的阳性率12%(6例),未检测出伴放线放线杆菌(A.a)。51例龈下菌斑中,T.f阳性率84%(43例),F.n阳性率78%(40例),P.i阳性率59%(30例),P.g阳性率39%(20例),A.a阳性率22%(11例);32例患者同时在动脉粥样硬化斑块及龈下菌斑中检测出牙周致病菌。结论冠状动脉粥样硬化斑块中存在牙周致病菌,牙周致病菌在冠状动脉粥样硬化发生、发展过程中起一定的作用,可能和冠心病发病相关。 Objective The aim of this study was to observe the coexistence of periodontal bacteria DNA (Actinobacillus actinomycetemcomitans, Fusobacterium nucleatum, Porphyromonas gingivalis, Prevotella intermedia, Tannerella forsythensis) in coronary atheromatous plaques and subgingival plaques in patients scheduled for coronary artery bypass graft. Methods Coronary atheromatous plaque and subgingival plaque samples were obtained from 51 patients and examined by polymerase chain reaction (PCR) technique with specific primers for periodontal bacteria. Results P. gingivalis (33%), T. forsythensis ( 31% ), P. intermedia ( 18% ) and F. nucleatum ( 12% ) were detected while A. actinomycetemcomitans was negative and not found in coronary atheromatous plaques; T. forsythensis (84%) , F. nucleatum (78%) , P. intermedia (59%) , P. gingivalis (39%) and A rains (22%) were detected in subgingival plaque samples. Coexistence of periodontal bacteria DNA in coronary atheromatous and subgingival plaque samples was evidenced in 32 patients. Condusions The coexistence of T. forsythensis, F. nucleatum, P. intermedia, P. gingivalis in coronary atheromatous plaques and the subgingival plaque samples in CAD patients could suggest a potential role for periodontal pathogenic bacteria in atherosclerosis disease process.
出处 《中华心血管病杂志》 CAS CSCD 北大核心 2008年第3期215-218,共4页 Chinese Journal of Cardiology
基金 国家自然科学基金资助项目(30560163) 新疆维吾尔自治区自然科学基金资助项目(200521111)
关键词 冠状动脉硬化 牙菌斑 聚合酶链反应 Coronary atherosclerosis Dental plaque Polymerase chain reaction
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参考文献17

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共引文献85

同被引文献31

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