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congenital variations
相关语句
  先天性变异
     Results 1.There were congenital variations in human CCS with respect to the sizes,position and shape;
     结果  1 人CCS具有大小、位置及形态的先天性变异 ;
短句来源
  相似匹配句对
     Congenital Macrodactyly
     先天性巨指(趾)(附4例报告及文献复习)
短句来源
     Congenital Cataracts
     先天性白内障
短句来源
     Price Variations
     价格动向
短句来源
     Results 1.There were congenital variations in human CCS with respect to the sizes,position and shape;
     结果  1 人CCS具有大小、位置及形态的先天性变异 ;
短句来源
     Facticity In film Variations
     电影变化中的真实
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  congenital variations
Congenital variations in the configuration and size of the carotid and cerebral arteries should not always be considered benign conditions and may predispose to cerebral ischaemia in young adults.
      
A number of studies are reported in the literature concerning congenital variations of the inferior vena cava.
      


Purpose To analyze the features of congenital variation of coronary artery by coronary artery angiography. Methods Among 410 cases underwent coronary artery angiography (from 1997 to 1999), 16 cases of congenital variation of coronary artery lackage(2 cases)were studied retrospectvely. Measuring the size on the coronary artery angiography were done by dynamic observation. Resultes 8 cases of myocardial bridge were found on the systolic narrowing( milking effect), grade one(3 cases), grade two(4 cases),...

Purpose To analyze the features of congenital variation of coronary artery by coronary artery angiography. Methods Among 410 cases underwent coronary artery angiography (from 1997 to 1999), 16 cases of congenital variation of coronary artery lackage(2 cases)were studied retrospectvely. Measuring the size on the coronary artery angiography were done by dynamic observation. Resultes 8 cases of myocardial bridge were found on the systolic narrowing( milking effect), grade one(3 cases), grade two(4 cases), grade three(1 case). The average extent of narrowing was 17. 2mm. Among 6 cases of coronary fistula, the localization at the left coronary artery is 5 cases, both coronary 1 case, and right coronary lackage 2 cases. Conclusions coronary artery angiography is the diagnostic base of congenital variation of coronary artery, the key of diagnosis is dynamic obse-vation.

目的 分析少见的先天性冠状动脉变异的冠状动脉造影的表现,探讨冠状动脉造影的诊断价值。方法 收集1997-1999年410例冠状动脉造影中的先天性冠状动脉变异共16例,其中壁冠状动脉8例,冠状动脉瘘6例及先天性右冠状动脉缺如2例。冠状动脉造影,动态下观察,并进行必要的测量。结果 8例壁冠状动脉均表现为收缩期狭窄,1级3例,2级4例,3级1例狭窄段长度17.2mm,其中3级1例行冠状动脉旁路移植术。6例冠状动脉瘘,5例源自左冠状动脉,1例源自双侧冠状动脉,2例引流入肺动脉于,4例引流入右心室。2例右冠状动脉缺如,经冠状动脉造影及主动脉造影证实。结论 冠状动脉造影是诊断少见先天性冠状动脉变异的重要手段,动态下观察是发现病变的关键。

Objective To explore the delineation between normal variations and developmental anomalies (malformation) of human cardiac conduction system (CCS). Methods The CCS of 886 cases (737 cases were noncardiac death,149 cases died of sudden cardiac death) were examined histologically using the method designed by the authors that tissues containing the SAN and AVN were cut along the long axes of the nodes in 1-2 block and the HB perpendicular to its long axis 2-4 blocks.The morphology and causes of death in CCS...

Objective To explore the delineation between normal variations and developmental anomalies (malformation) of human cardiac conduction system (CCS). Methods The CCS of 886 cases (737 cases were noncardiac death,149 cases died of sudden cardiac death) were examined histologically using the method designed by the authors that tissues containing the SAN and AVN were cut along the long axes of the nodes in 1-2 block and the HB perpendicular to its long axis 2-4 blocks.The morphology and causes of death in CCS of two groups were also studied. Results 1.There were congenital variations in human CCS with respect to the sizes,position and shape;2.There were postnatal variations in CCS accompanying the aging process;3.It was revealed that there were developmental anomalies in CCS with sudden cardiac death,which included fetal typed atrioventricular node (AVN) in adults, complete displacement of the AVN into the central fibrous body,complete separation of the HB into more than 3 bundles and the displacement of bifurcation of the HB into the root of tricuspid valve.These changes should not be grouped into normal variations,since they are related or potentially related to sudden cardiac deaths.Conclusion The following changes should be included in normal variation or CCS:displacement of the bifurcating portion of the HB into the pars membranacea of the ventricular septum;left sided deviation of downward and leftward displacement of that portion;displacement of less than 1/2 of the AVN in to the central fibrous body;displacement of the myocardium into the HB or LBB.;

目的 探讨划分心传导系统 (CCS)形态变异与发育异常 (畸形 )的界线。 方法 用我们建立的CCS检查法 ,即窦房结和房室结沿其长轴切 1~ 2块 ,房室束沿长轴垂直切 2~ 4块 ,连续切片 ,间断取片 ,每例共取 30片。对 886例 (非心源性死亡 737例 ,心源性猝死 149例 )人CCS进行组织学观察 ,并对两组进行CCS形态、死因分析比较。 结果  1 人CCS具有大小、位置及形态的先天性变异 ;2 也有增龄性变化的后天性变异 ;3 死因不明的心源性猝死者中CCS见到有成年人胎儿型房室结、房室结全部移位至房室束穿部、房室束穿部完全分成 3束以上、房室束分叉部房室结化及移位至三尖瓣根部等 ,这些改变不应认为是正常变异 ,因为它们都可能有病理学意义。 结论 房室束分叉部向室间隔膜部内移位、偏位于室间隔左侧、向室间隔左下侧移位 ,以及不足 1 2房室结移位至中心纤维体内 (房室束穿部 ) ,心肌束移位于房室束或左束支内等应属CCS变异 ,不是畸形。

Objective:to investigate the invasion circumstances,clinical characteristics , curative effect by manipulation and pathogenic factors. Methods:Fifty-six cases of lumbar disc herniation in adolescent, treated in hospital, were reviewed,the disease incidence is 1.01%.Among them,48 cases were male and 8 cases were female,ranging in age from 13 to 20 years(average 15.9 years).69.3% of them had apparent trauma and 64.3% of them had a history of strenuous exercise.Radiographic presentation mainly showed narrowing...

Objective:to investigate the invasion circumstances,clinical characteristics , curative effect by manipulation and pathogenic factors. Methods:Fifty-six cases of lumbar disc herniation in adolescent, treated in hospital, were reviewed,the disease incidence is 1.01%.Among them,48 cases were male and 8 cases were female,ranging in age from 13 to 20 years(average 15.9 years).69.3% of them had apparent trauma and 64.3% of them had a history of strenuous exercise.Radiographic presentation mainly showed narrowing of intervertabral spaces,lumbosacral congenital variation and low signal in disc nucleus pulposus, unclear or disappearance with the textile fiber link. All patients were treated by manipution and evaluated the curative effect. Result:Thirty-four patients were followed up for an average of 4.7 years.The execellent and good rate was 85.3%. Conclusion:①The male was obviously higher than female in the disease incidence,used to have a history of trauma and strenuous exercise. ②Physical signs and radiograghic imaging are more reliable than symptoms.some patients have few symptoms but all patients have apparent physical signs,lateral curvature and reverse of the physiological curve often been seen,the straight-leg lifting test always proved to be strongly positive. ③It is satisfied with near and late curative effect by manipulation,but the patients with congenital spinal stenosis is not good. ④Retrograde degeneration of disc and trauma are the pivotal factors of lumbar disc herniation in adolescent, strenuous exercise and congenital variation of lumbosacral region are possibly important causes lead to degenerate prematurely.

目的研究青少年腰椎间盘突出症的发病情况、临床特点、手法疗效及发病因素。方法回顾分析我院收治的56例(发病率1.01%)青少年腰椎间盘突出症患者。男48例,女8例,年龄13~20岁,平均15.9岁;有明显腰部外伤39例(69.6%),有剧烈运动史36例(64.3%);突出部位L4,519例,L5S126例,L4,5和L5S1并存3例,中央型7例;影像学主要表现为间隙变窄;腰骶部先天变异;椎间盘中央髓核呈低信号,与纤维环分界不清甚消失。全部病例均行手法治疗,并对疗效进行评价。结果随访34例,平均随访时间4.7年,优良率达85.3%。结论①青少年腰椎间盘突出症发病男性明显高于女性,有腰部外伤和剧烈运动史;②体征和影像学改变比症状可靠。有的患者症状很少,但查体均有明显体征,主要表现为腰椎的反弓、侧弯等畸形改变,直腿抬举试验低于30°;③手法治疗的近远期效果满意,伴有先天腰椎管狭小是手术的绝对适应症。④椎间盘退变和外伤是造成青少年腰椎间盘突出症的关键因素,剧烈运动和腰骶部先天变异可能是导致椎间盘提早退变的主要原因。

 
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