查询词典 occlusion

Objective To study the spiral CT features of pancreatogenic segmental occlusion of portal system.

材料与方法回顾性分析 3 3例PSOPS患者的螺旋CT表现，同时以 2 0例无门静脉系阻塞的病例作对照。

Methods Rat bone mesenchymal stem cells were isolated from adult rats bone marrow by Ficoll -Paque density gradients, cultured and amplified in vitro, and then identified by flow cytometry ; Middle cerebral artery occlusion model of regional cerebral ischemia in rats were made by thread embolizing.

方法Fieoll-Paque分离液梯度离心分离大鼠骨髓间质干细胞（rat bone mesenchymal stem cells，rMSCs），经体外培养扩增并流式细胞术鉴定；线拴法制作大鼠大脑中动脉闭塞脑局灶缺血模型，Hoechst33342标记细胞，分别通过静脉移植及立体定向局部移植到大鼠缺血侧纹状体。

A combination of early parenchymatous CT signs is important in predicting the arterial occlusion site in the acute stage of ischaemic stroke.

在缺血性卒中的急性期，早期CT征象对判断动脉闭塞的位置非常重要。

The novel suture or occlusion device for puncture site used in clinic, such as Angio-Seal or Perclose, significantly reduces bed lying and hospital stay of the patients, and attenuates peripheral vascular damages.

而近年来临床上应用的一些新型的针对穿刺点局部的缝合或封堵装置，如：Angio-Seal血管封堵器，Perclose血管缝合器等，不仅可以明显减少患者的卧床时间和住院时间，也可以减少对外周血管的损伤。

Methods: Vitrectom was performed on49 patients (49 eyes) diagnosed as vitreous hemorrhage. 25 patients(25 eyes) with ocular injury,9 patients (9 eyes) with diabetic retinopathy, 11 patients(11 eyes) with central retinal vein occlusion, 2 patients (2 eyes)with rhegmatogenous retinal detachment, 1 patient (1 eye) with retinal vein periarteritis, 1 patients with senile macular degeneration.

应用玻璃体切割术治疗玻璃体积血49例（49眼），其中眼外伤25例（25眼），糖尿病性视网膜病变9例（9眼），视网膜中央静脉阻塞11例（11眼），孔源性视网膜脱离2例（2眼），视网膜静脉周围炎1例（1眼），老年性黄斑变性1例（1眼），49例患者均行经睫状体平坦部闭合式巩膜三通道玻璃体切割术。

Results: six patients with vagal reflection were cured by intravenous atropine, 2 with pericardial hemorrhage were treated by pericardiocentesis, 1 patient developed hypotension due to occlusion of the mitral valve orifice by the catheter was corrected by shortening the duration of the catheter in left ventricle, the blood pressure of 1 patient with rapid atrial flutter was elevated by intravenous cedilanid, the blood pressure of 1 patient with hypotension of unknown origin was elevated by vasopressor and atropine.

结果：其中迷走神经反射6例，经静脉注射阿托品纠正；心包出血2例，心包穿刺抽液血压至正常；球囊导管阻塞二尖瓣口1例，缩短导管停留在左心室时间，可以避免低血压反应；快速心房颤动1例，使用西地兰减慢心室率，血压回升；原因不明1例，经使用升压药及阿托品后血压改善。

The data came from a male volunteer who had the full dentition、healthy periodontium and normal occlusion relationship.

建立下颌骨的三维有限元模型。选用牙列完整整齐，牙周健康，咬合关系正常的成年男性志愿者1例。

The occlusion of peripancreatic arteries and intratumoral injection of anhydrous alcohol provide an effective way for the treatment of advanced pancreatic cancer.

胰周动脉结扎及瘤体内注射无水酒精为晚期胰腺癌提供了一种新的、比较有效的治疗方法。

RESULTS: One case with epiretinal membrane of macula,4 cases with eye fundus arterioscleresis,3 cases with diabetic retinopathy,1 case with retinitis pigmentosa,3 cases with choroidal atrophy,2 cases with macula degeneration,2 cases with branch retinal vein occlusion,1 case with periphlebitis were found in the glaucoma patients by panoramic 200,the disease rate: 13.6%;All diseases were confirmed by indirective ophthalmoscope.

结果：欧堡全景200激光扫描检眼镜检查发现黄斑视网膜前膜1例，明显眼底动脉硬化4例，糖尿病视网膜病变3例，色素变性1例，脉络膜萎缩3例，黄斑变性2例，分支静脉栓塞2例，静脉周围炎1例，青光眼眼底疾病检出率为13.6%；术后散瞳间接眼底镜检查均得到证实。

Rats in the Danshen treatment group and the normal saline group were peritoneally injected with Danshen injection （3.0, 10.0, 15.0 g/kg） and normal saline respectively at 30 minutes before ischemia to establish the global cerebral ischemia models by modified 4-vessel occlusion method.

丹参治疗组和生理盐水组大鼠在缺血前30min腹腔分别注射丹参注射液（3.0，10.0，15.0g／kg）和生理盐水再进行4血管阻断建立全脑缺血模型；缺血再灌组模型建立同前，但不注射丹参和生理盐水。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。