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high grade stenosis
相关语句
  高度狭窄
     The sensitivity and specificity for high grade stenosis≥75% is 83.3% and 98.1% respectively.
     高度狭窄(≥75%)的敏感性、特异性分别是83.3%、98.1%。
短句来源
     The color duplex underestimated the degree of stenosis in cases of high grade stenosis, but the DSA could not show low grade stenosis and small plaque, which were clearly demonstrated in the duplex, especially in the crossed section.
     与血管造影比较,彩超容易低估高度狭窄血管的狭窄程度,但是对轻度狭窄和局部斑块形成,血管造影容易漏诊。
短句来源
  “high grade stenosis”译为未确定词的双语例句
     high grade stenosis group(393±48) μmol/L;
     管腔重度狭窄组 (393± 4 8) μmol/L。
短句来源
     The anterolateral wall and /or apexl of the LV involved 48 cases (48/56, 86%); of which 92% were accompanied by LAD disease. Occlusion or high grade stenosis was detected in 91% of these patients with LAD disease.
     室壁瘤累及前侧壁、心尖部共48例(48/56,86%),当中92%前降支有梗阻性病变,重度狭窄或闭塞占91%;
短句来源
     Purpose To report a case with high grade stenosis of extracranial carotid artery who was applied several kinds of medical imaging modalities including doppler ultrasonography(DUS)、MR angiography(MRA) 、CT angiography(CTA)、CT virtual endoscopy (CTVE)、and digital subtraction angiography(DSA) in the period of pre and post carotid endarterectomy.
     目的 :对一例颈内动脉狭窄进行内膜切除术前后影像学系列观察 ,结合文献复习 ,初步探讨磁共振血管造影(MRA)、CT血管造影 (CTA)、CT仿真内窥镜 (CTVE)技术在诊断颈动脉狭窄中的应用价值。
短句来源
     Materials and Methods:Forty patients with disorder symptoms in respiratory system were examined with CTVB and FOB. We compared the diagnosis of central airways lesions by CTVB and FOB. Results:38 of 40 patients were diagnosed correctly by CTVB and coincided with those of FOB. CTVB offered the advantage of being able to visualize areas beyond even high grade stenosis in nine patients.
     材料和方法 :40例临床症状为咳嗽、胸痛或咳痰带血的患者行螺旋CT扫描、CTVB成像和FOB检查后 ,比较CT和FOB之诊断结果。 结果 :CTVB对 40个病例中的 3 8个中心气道病变作出了与FOB所见相符的正确描述。
短句来源
     Methods From October,2000 to December,2001, 8 patients with high grade stenosis of one internal carotid artery combined with occlusion of the other whose conditions were not suitable for carotid endarterectomy, were treated through endovascular approach.
     方法  8例不适合颈动脉内膜剥脱的高危颈内动脉狭窄病人接受了血管内支架置入治疗。
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  相似匹配句对
     16 patients were high-grade;
     肝炎肝硬化患者25例; 合计男性患者64例,女性患者9例,年龄16一74岁。
短句来源
     The gold grade is quite high.
     品位较高 ,规模中等 ,适合于露天开采。
短句来源
     grade.
     级;
短句来源
     The Management of Carotid Stenosis
     颈动脉狭窄的治疗
短句来源
     The treatment of hypopharyngoesophageal stenosis
     下咽食管狭窄的治疗
短句来源
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  high grade stenosis
Arteriography revealed a high grade stenosis of 70% or greater in 46 carotid arteries (77%), ulceration in five (8%), and both in nine (15%).
      
Angiogram of the second patient revealed the occlusion of the left common carotid and subclavian artery and high grade stenosis (>amp;gt;90%) of the right common carotid artery.
      
Angiogram of the first patient revealed the occlusion of the right common carotid, right subclavian and left subclavian artery and high grade stenosis (>amp;gt;95%) of the left common carotid and right vertebral artery.
      
The ECG-synchronized axial images, reconstructed in the mid-diastole, MPR, MIP and 3D-VR images were independently and blindly assessed by two radiologists for graft patency and presence of high grade stenosis.
      
CT angiography is used to assess anatomy, and to depict the presence, location and extent of calcified and non-calcified plaque as a cause of high grade stenosis.
      
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It is believed that LP-TAE is the best palliative treatment but not the curative measurement in many cases. For clarifying the cause, the analysis of the therapeutic results of 178 cases of PHC was carried out. According to the monitoring CT scan, angiography and pathology of the 16 resected specimens which revealed that incomple filling with the emulsion of lipiodol and anticarcinogens in tumor was the source of recurrence. The factors for incomplete filling include: 1, hypovascular shucture in tumor, 2, inadequate...

It is believed that LP-TAE is the best palliative treatment but not the curative measurement in many cases. For clarifying the cause, the analysis of the therapeutic results of 178 cases of PHC was carried out. According to the monitoring CT scan, angiography and pathology of the 16 resected specimens which revealed that incomple filling with the emulsion of lipiodol and anticarcinogens in tumor was the source of recurrence. The factors for incomplete filling include: 1, hypovascular shucture in tumor, 2, inadequate quantity of the emulsion; 3, A-V shunt and coarse tumor vessels; 4, no or ineffective embolization; 5, blood supply from vessels other than hepatic artery; 6, gravitational gradients; 7, improper preparation of the emulsion and 8, zbliteration or high grade stenosis of the feeding artery after the first LP-TAE jeopardizing the further filling.

1988年4月至1990年12月,以碘油—抗癌剂混悬液及明胶海绵碎粒栓塞肝癌的供血动脉(Lp—TAE)治疗原发性肝癌178例,累积生存率(Cumulative Survival Rate)分别是一年67.97%和二年43.51%。认为LP—TAE是肝癌的最好姑息手段。如何进一步提高疗效使姑息变成治愈?作者对178例患者的肝动脉造影,CT扫描片,手术病理标本等资料进行了对比分析,认为碘油抗癌药物混悬液沉积不充分是病灶未能完全被消灭的关键。影响药物充分沉积的主要因素是:①肝癌乏病理血管;②药量不足;③癌灶内严重的动静脉分流;④没有用明胶海绵栓塞或栓塞不充分;⑤肝动脉外供血;⑥混悬液制作不良等。强调了首次LP—TAE的重要性。

Objective: Relation of degree of coronary artery stenosis, change of left ventricular(LV) function and LV aneurysm were studied. Methods: Quantitative analysis of LV ejection fraction(EF) and percent age of diameter of coronary stenosis was performed in 56 patients with LV aneurysm. Results: The average of EF was (47±14) % in all patients; (32±10)% in 18 patiets whose volume of LV aneurysm was greater than 50% of the LV volume. The anterolateral wall and /or apexl of the LV involved 48 cases (48/56, 86%); of...

Objective: Relation of degree of coronary artery stenosis, change of left ventricular(LV) function and LV aneurysm were studied. Methods: Quantitative analysis of LV ejection fraction(EF) and percent age of diameter of coronary stenosis was performed in 56 patients with LV aneurysm. Results: The average of EF was (47±14) % in all patients; (32±10)% in 18 patiets whose volume of LV aneurysm was greater than 50% of the LV volume. The anterolateral wall and /or apexl of the LV involved 48 cases (48/56, 86%); of which 92% were accompanied by LAD disease. Occlusion or high grade stenosis was detected in 91% of these patients with LAD disease. Conclusion:The size of the LV aneurysm and residual myocardial contractility affect LV function. The locations and degree of coronary artery stenosis are closely related to the pathogenesis of LV aneurysm.

目的:分析冠状动脉狭窄程度及左心室功能的变化与室壁瘤形成的关系。方法:对56例室壁瘤的左室射血分数(EF)及冠状动脉百分直径狭窄进行定量。结果:全组平均EF值(47±14)%,其中18例瘤体>1/2左室腔者EF平均值仅为(32±10)%。室壁瘤累及前侧壁、心尖部共48例(48/56,86%),当中92%前降支有梗阻性病变,重度狭窄或闭塞占91%;结论:室壁瘤对左室功能的影响与瘤体大小和残余心肌的收缩力有关,而冠状动脉病变的分布范围及狭窄程度与室壁瘤形成有密切关系。

To evaluate the degree of stenosis and pathology of the lesion and intracranial collateral circulation in the patients of carotid stenosis who underwent endarterectomy. Eight cases were collected. All of them were screened with color duplex, TCD, DSA, brain CT and MRI, then endarterectomy and gross pathologic examination were performed. The prognosis of patients was predicted according to the grade of stenosis, echo quanlity, intracranial involvement and collateral circulation. Carotid artery involvment was...

To evaluate the degree of stenosis and pathology of the lesion and intracranial collateral circulation in the patients of carotid stenosis who underwent endarterectomy. Eight cases were collected. All of them were screened with color duplex, TCD, DSA, brain CT and MRI, then endarterectomy and gross pathologic examination were performed. The prognosis of patients was predicted according to the grade of stenosis, echo quanlity, intracranial involvement and collateral circulation. Carotid artery involvment was unilateral in 5 cases, bilateral in 3 cases and multiple, including carotid, subclavian and intracranial arteries, in 5 cases. The color duplex underestimated the degree of stenosis in cases of high grade stenosis, but the DSA could not show low grade stenosis and small plaque, which were clearly demonstrated in the duplex, especially in the crossed section. The pathology showed athrosclerosis in all the 8 cases. Three cases developed to cerebral infarction before the operation, in whom, high grade stenosis, poor intracranial collateral circulation, low or mixed echo quality, new thrombosis or fibrosis mixed with new bleeding and clot were discovered. The patients with this findings should be performed endarterectomy as soon as possible so as to avoid cerebral infarction. [WT5”HZ〗

观察颈部动脉狭窄程度、病变性质和颅内侧枝循环建立,比较无创检查和有创检查所见,及其与脑梗塞发生的关系。用经颅多普勒、彩超、血管造影、头颅CT或核磁共振检查患者,确定颈部血管狭窄部位、程度、性质,以及颅内血管受累和颅内侧枝循环建立情况,并进行颈动脉内膜剥脱术。共收集患者8例。血管造影发现血管狭窄单侧5例,双侧3例,其中5例同时有多条血管狭窄。超声发现血管狭窄呈低回声或混合回声。在术前出现脑梗塞3例。与血管造影比较,彩超容易低估高度狭窄血管的狭窄程度,但是对轻度狭窄和局部斑块形成,血管造影容易漏诊。同时观察颅内血管狭窄和侧枝循环情况有助于判断预后和决定治疗方案。对高度狭窄、颅内侧枝循环不健全以及颈部血管狭窄部位的低回声或混杂回声的患者应及时手术,以免发展成脑梗塞。

 
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