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基于病例研究冠状动脉扭曲对血流动力学的影响 被引量:8
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作者 李洋 张叙 +7 位作者 李志勇 abdul qadir nawabi 戴启明 童嘉毅 冯毅 沈成兴 刘乃丰 马根山 《医用生物力学》 EI CAS CSCD 北大核心 2018年第3期229-233,共5页
目的探讨扭曲冠状动脉血流动力学的改变,从而阐明扭曲对冠状动脉血流灌注和壁面切应力(wall shear stress,WSS)的影响。方法选取冠状动脉左前降支(left anterior descending,LAD)扭曲和无扭曲两例个体病例,在Mimics软件中重建出LAD... 目的探讨扭曲冠状动脉血流动力学的改变,从而阐明扭曲对冠状动脉血流灌注和壁面切应力(wall shear stress,WSS)的影响。方法选取冠状动脉左前降支(left anterior descending,LAD)扭曲和无扭曲两例个体病例,在Mimics软件中重建出LAD扭曲和无扭曲血管模型,并将模型导入ANSYS Fluent软件中进行血流动力学模拟计算,比较两种不同LAD模型的血流动力学情况。结果扭曲的冠状动脉在最大曲率大于1 mm^-1的弯曲处WSS下降较为明显,这种情况可能导致下游供血不足;弯曲外侧具有较低WSS(0~26 Pa),而弯曲内侧WSS相对较高(〉100 Pa);无扭曲和扭曲血管WSS均值分别为10.79、36.12 Pa,相比于无扭曲血管,扭曲血管整体WSS增高。结论扭曲冠状动脉整体WSS增高,从而可能延缓冠状动脉粥样硬化的进展。 展开更多
关键词 动冠状动脉扭曲 血流动力学 壁面切应力 动脉粥样硬化
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Association of Apolipoprotein E Gene Polymorphism with Lipid Profile in Patients with Acute Coronary Syndrome in Han Chinese: A Critical Review 被引量:3
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作者 abdul qadir nawabi Mingming Yang +4 位作者 Xiangming Cai Wenjing Gou Jiantong Hou Veeda Nizami Qiming Dai 《World Journal of Cardiovascular Diseases》 2019年第11期825-845,共21页
This review paper focuses on the genetic contribution, in particular, the association of Apolipoprotein E gene polymorphism to lipid abnormality and subsequent acute coronary syndrome in Han Chinese of China. Many res... This review paper focuses on the genetic contribution, in particular, the association of Apolipoprotein E gene polymorphism to lipid abnormality and subsequent acute coronary syndrome in Han Chinese of China. Many researches have been published pertaining the influence of ApoE gene polymorphism on coronary artery disease, dyslipidemia and the response of statin in Han Chinese. Most of the studies in Han Chinese like other populations demonstrated that ApoE 4 allele genetically predisposes coronary artery disease, acute coronary syndrome, severity of occlusion of coronary artery and higher incidence of major adverse cardiovascular events (In Han Chinese, ApoE allele carriers demonstrated 85% increase in major adverse cardiovascular events (MACE) in six months follow up). In addition, ApoE4 allele carrier also showed both increased in LDL level and decrease response to statin therapy in dyslipidemic Han Chinese. On the other hand, ApoE2 carrier is scavenger of cholesterol and triglyceride from the blood;?thus it is cardiovascular-protective. Despite positive relationship between ApoE gene polymorphism and cardiovascular pathologies, prognostic outcome and resistance to intervention, this area of research still requires?extensive investigation in Han Chinese. Because, several other studies revealed either negative effect or showed no effect by ApoE gene polymorphism on cardiovascular disease. Some of the causes of such debatable results could be explained by factors such as diminutive frequency allele and expression of ApoE gene in coronary heart disease. This part of the research yet requires extensive study with bulkier sample size and retrospective in nature, in order to ascertain the influence of ApoE genotype on lipid, anti-hyperlipidemic agent and coronary heart disease. Such studies could assist us to confirm whether to test healthier subjects to predict genetic risk of coronary heart disease in Han Chinese population. The aim of this review paper is to critically analyze the effect of ApoE gene on the occurrence of coronary heart disease in Han Chinese. 展开更多
关键词 APOLIPOPROTEIN E Gene POLYMORPHISM Acute CORONARY Syndrome DYSLIPIDEMIA HAN Chinese
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Techniques of High Tibial Osteotomy: A Review
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作者 Mohammad Jawed Aqil Liyong Gang +2 位作者 abdul qadir nawabi Jinan Wei Nasir Ahmad Haidari 《Open Journal of Orthopedics》 2020年第5期93-109,共17页
Main intention of the research is to understand about significance of techniques associated with HTO. This research reviewed the techniques of high tibial osteotomy namely high tibial osteotomy, open wedge high tibial... Main intention of the research is to understand about significance of techniques associated with HTO. This research reviewed the techniques of high tibial osteotomy namely high tibial osteotomy, open wedge high tibial osteotomy, closedhigh tibial osteotomy. Patients who are suffering from knee arthritis, high tibial osteotomy assists to prevent or delay the requirement for total or partial replacement of knee to preserve damaged tissue of joint. High tibial osteotomy technique is mainly suitable for active and young patients with knee osteoarthritis. Age plays a main factor in success rate of high tibial osteotomy technique. It could be done in open wedge or closed wedge high tibial osteotomy. For some cases, surgery could be done in combined method (open wedge and closed wedge high tibial osteotomy). When compared with clinical outcomes of closed wedge high tibial osteotomy and open wedge high tibial osteotomy, open wedge high tibial osteotomy performs well in reducing the pain, duration of weight-bearing and return to normal life as soon as possible. 展开更多
关键词 HIGH TIBIAL OSTEOTOMY Open WEDGE HIGH TIBIAL OSTEOTOMY KNEE OSTEOARTHRITIS Closed WEDGE HIGH TIBIAL OSTEOTOMY
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