查询词典 stenosis

Stenosis ≥90%in the ischemia-related artery accounted for the anginal symptoms constituted 100%, 82.8%, 72.7%and 44.4%of the cases with mixed angina, spontaneous angina, effort angina and variant angina respectively.

2缺血相关血管狭窄≥ 90%在梗死后混合型、自发型、劳力型和变异型心绞痛所占比例分别为100%、82.8%、72.7%和44.4%。

Angioplasty and stent implantation for the treatment of intracranial stenosis is safe and effective.

血管内支架成形术治疗颅内血管狭窄是有效和安全的。

Objective: To study the value of cerebral angiography in short period of cerebral artery stenosis stent angioplasty.

目的 探讨脑血管造影评估在血管内支架成形术治疗脑供血动脉狭窄中的价值。

Objective To value the effect and safety of the endovascular stenting angioplasty for stenosis of middle cerebral artery.

目的 探讨大脑中动脉狭窄支架血管成形术的安全性和疗效。

Results 520 arteries were examined in all, and DSA detected 130 normal, 390 abnormal (75.0%, 120 artherosclerosis, 201 stenosis, 69 occlusion). In the diagnosis of MRA to angiostegnosis , the sensitivity was 95.4%, the specificity was 96.2%, the false positive was 1.3%, and the false negative was 17.7%.

结果 检查缺血性脑血管患者的血管520条，DSA发现130条正常，390条异常（75.0％），其中动脉粥样硬化120处，狭窄201处，闭塞69处；MRA诊断血管狭窄的敏感性为95.4％，特异性为96.2％，假阳性为1.3％，假阴性为15.5％。

Numerically evaluate the value of the largest Lyapunov exponent on diagnosing the various stenosis degrees of internal carotid arteries in white rabbits and in order to diagnose the angiostenosis with transcranial Doppler ultrasound.

探讨了血流信号的最大Lyapunov指数在诊断白兔颈内动脉不同程度狭窄中的价值，以期达到利用经颅多普勒超声量化诊断血管狭窄的目的。

Patients had alien hand syndrome (11%), 17 patients had history of hypertention (54.83%) 16 patients had coronary artery heart disease (51.61%), 10 patients had diabetes mellitus (32.25%), 9 patients had history of cerebral infarction (29.03%), 17 patients had disorders of conciousness and mental (54.83%), 18 patients had language disorder (58.1%), 21 patients had disorders of limbs in different degrees (74.19%). MRI imaging of 22 patients showed previous cerebral infarction focuses (70.96%), 16 patients with leukoaraiosis (61%), 9 patients with angiostenosis (29%), stenosis was over 60% in 6 patients, and 7 patients showed cerebral microbleeding (22.58%). There were 34 focus of copus callusum infarctions in 31 patients.

异手综合征者3例(11%)，高血压病史17例(54.83%)，冠心病16例(51.61%)，糖尿病10例(32.25%)，脑梗死史者9例(29.03%)，神志和精神异常的17例(54.83%)，语言障碍的患者18例(58.1%)，21例(74.19%)患者有不同程度肢体运动障碍。31例胼胝体梗死患者，共34处胼胝体梗死病灶，胼胝体梗死的患者合并其它部位陈旧性梗死灶22例(70.96%)，伴有白质稀疏16例(61%)，发现血管狭窄9例（29%，其中狭窄超过60%者6例），有7例(22.58%)伴有微出血。

Objective Carotid artery stenosis is relative factor of anoxic stroke and brain infarct.

目的颈动脉狭窄是缺血性脑卒中和脑梗死的相关因素。

Methods:318 children with OSAHS without antiaditis in the recent one year and without deflection of nasal septum, rhinitis, posterior naris stenosis, tongue body hypertrophy and etc.

对经睡眠监测诊断为OSAHS的318例儿童，所有患者均近一年来无扁桃体炎病史，并已排除鼻中隔偏曲、鼻炎、后鼻孔狭窄、舌体肥大等其他因素所引起OSAHS。

Methods:318 children with osahs without antiaditis in the recent one year and without deflection of nasal septum, rhinitis, posterior naris stenosis, tongue body hypertrophy and etc.all cases were divided into two groups randomly, the cases with only one tonsilla ectomy and adenoidectomy was the reforming group ,the other cases was the control group.

对经睡眠监测诊断为osahs的318例儿童，所有患者均近一年来无扁桃体炎病史，并已排除鼻中隔偏曲、鼻炎、后鼻孔狭窄、舌体肥大等其他因素所引起osahs。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。