Results 21 to 30 of about 3,404 (148)

Effect of Activating Blood and Resolving Stasis Therapy on Injuried Vascular wnt / β-catenin Signal Pathway of Rats with Carotid Atherosclerosis [PDF]

open access: yes, 2016
目的:观察活血化瘀法对颈动脉粥样硬化血管内皮损伤模型大鼠wnt/β-catenin信号通路的影响,探讨其可能的作用机制。方法:32只SD大鼠高脂喂养1个月后,随机取8只作为假手术组(仅切开皮肤),其余大鼠均行颈总动脉球囊损伤术,成膜后再随机分为模型组(n=8只)、活血化瘀中药方中剂量(临床等效量)组(n=8只)和高剂量(临床2倍量)组(n=8只)。从术后第4天开始予以相应药物灌胃治疗(模型组、假手术组灌等量生理盐水),2周后取术侧颈总动脉段,采用实时荧光定量PCR法捡测wnt、Fz D1、AXIN1 ...
余文珍   +4 more
core  

术前经导管动脉栓塞对Shamblin Ⅱ/Ⅲ型颈动脉体瘤切除术的影响 [PDF]

open access: yes, 2021
目的探讨术前经导管动脉栓塞(Pre-TAE)对Ⅱ/Ⅲ型颈动脉体瘤(CBTs)外科切除术的影响。方法回顾性分析2010年1月至2020年1月我院收治的影像及病理确诊的Ⅱ/Ⅲ型CBTs患者为研究对象,根据是否行Pre-TAE将患者分为栓塞组及未栓塞组。分析并比较两组患者临床资料、手术方式、术中出血量、手术时间、并发症等相关指标。结果本研究共纳入100个病灶(栓塞组n=77,未栓塞组n=23)。栓塞组与未栓塞组肿瘤大小分别为(Ⅱ: 40.91 vs.
孔祥国, 李楠, 杨建勇, 黄勇慧
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Effect of Lunei Xiaoyu Decoction on Vascular Endothelial AMPK/eNOS Signal in Balloon Injury Model of Common Carotid Artery in Rats [PDF]

open access: yes, 2016
目的观察颅内消瘀汤对大鼠颈动脉球囊损伤后血管内皮及AMPK、eNOS表达的影响,探讨其可能的作用机制。方法 32只SD大鼠随机分为假手术组、模型组、颅内消瘀汤低剂量(临床等效量)组和颅内消瘀汤高剂量(临床2倍量)组,除假手术组大鼠仅切开皮肤,其余大鼠均行颈总动脉球囊损伤术以成模。成模第4天灌胃给药,模型组及假手术组给予等体积生理盐水,连续给药14 d后取损伤侧颈总动脉,行HE染色观测血管内皮损伤及内膜增生情况,用免疫组化染色检测eNOS表达水平,并用Western blot检测总AMPK ...
余文珍   +4 more
core  

Research progress in nutritional composition and biological function of grape seed extracts [PDF]

open access: yes, 2023
Grape seed extracts, due to its strong antioxidant activity, is commonly used as a nutritional supplement or dietary supplement. It can be used to prevent metabolic diseases such as inflammation, tumors, and atherosclerosis.
ZHOU Xiang-hui
core   +1 more source

破裂颅内动脉瘤的超早期血管内介入治疗 [PDF]

open access: yes
Objective: To explore the clinic significance of endovascular treatment of  ruptured intracranial aneurysms in super-early stage. Methods: Endovascular treatment of 53 cases of ruptured intracranial aneurysms,including first ruptured in 42 cases and 11 ...
Hui, Rui, Lu, Wang-sheng, Wang, Peng
core   +2 more sources

1250例椎动脉先天发育异常分析

open access: yesZhongguo shiyan zhenduanxue, 2013
近年来,随着人口老龄化程度的加深、生活水平的提高以及工作学习方式的改变,椎动脉型颈椎病的发病率呈逐年上升的趋势。椎动脉型颈椎病是一种常见的颈椎病类型,先天性椎动脉发育异常、椎动脉-颈椎退行性变及椎旁软组织慢性劳损是引起椎动脉型颈椎病的主要病因。本文对我院近3年来疑诊为椎动脉型颈椎病的7237例患者行颈部动脉超声检查 ...
郑美娜   +4 more
doaj  

Experimental observation on the effect of botulinum toxin type A cause biceps femoris atrophy in rabbits [PDF]

open access: yes
目的  观察A型肉毒素对家兔股二头肌的致萎缩作用。方法  以新西兰大耳白兔为实验对象,分别以大(6.0U)、中(3.0U)、小(1.0U) 3种剂量的A型肉毒素注射于一侧股二头肌,以另侧股二头肌注射同剂量生理盐水为对照,观察其致萎作用的效果及持续时间,并在显微镜下观察股二头肌的形态学变化。结果  家兔股二头肌局部注射A型肉毒素14d后,可观察到明显的肌肉萎缩,28d后肌肉萎缩稳定,且以6.0U剂量组效果最佳。形态学观察显示:单个肌纤维直径变小,肌纤维融合,边界不清晰,排列不规则,粗纤维/细纤维比值变小 ...
Tan, Jing, Yang, Ren-da, Yang, Zhou
core   +2 more sources

颈动脉彩超检测粥样斑块对预防缺血性脑卒中的意义

open access: yesZhongguo shiyan zhenduanxue, 2018
目的探讨颈动脉彩超检查粥样斑块对预防缺血性脑卒中(ischemic cerebral stroke,ICS)的临床意义。方法选取我院神经内科住院52例ICS患者设为脑卒中组,另选取同期体检健康者50例设为对照组。所有受检者均进行颈动脉彩色多普勒超声检测,记录动脉粥样硬化斑块的数量、性质和部位。比较两组颈部动脉斑块(软斑、硬斑、混合斑)检出率、颈部动脉(左颈总动脉、右颈总动脉、左颈内动脉颅外段、右颈内动脉颅外段)内径。结果脑卒中组检测出粥样斑块96个,对照组24个;脑卒中组软斑、混合斑检出率均高于对照组 ...
王旭东
doaj  

Implementation of carotid artery ultrasound imaging algorithm based on multicore DSP [PDF]

open access: yes, 2016
超声成像在医学影像诊断中有着广泛的应用,传统的医学超声成像设备体积大、功耗高,便携性及网络传输性都有一定的限制。对常用的超声成像原理及算法进行分析及仿真,在超声成像前端、中端、后端3个处理阶段中,重点介绍中端处理方法,并将常用的人体组织及血流信息超声成像算法移植到在TMS320C6472多核DSP上,实现了人体颈动脉样本数据的成像。Ultrasound imaging is widely used in the medical imaging diagnosis. The portability and
乐美卿   +4 more
core  

Establishment of a prediction model for major adverse cardiovascular and cerebrovascular events in prehypertensive patients [PDF]

open access: yes
Objective To explore the predictive efficacy of logistic regression model based on carotid artery elastic ultrasound parameters for the occurrence of major adverse cardiovascular and cerebrovascular events(MACCE )in patients with prehypertension ...
HE Zhi,an,LAI Jiangqiong,ZHENG Tao
core   +2 more sources

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