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101.
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目的:探讨3D—DSA在颅内动脉瘤诊断和治疗中的应用价值。方法:对蛛网膜下腔出血患者常规行DSA检查,发现病变或可疑病变后行3D—DSA检查。结果:26例颅内动脉瘤中检出动脉瘤31枚,其中后交通9枚,C1段3枚,C2段5枚,C3段3枚,前交通6枚,大脑中3枚。椎动脉动2枚。3例2D—DSA未见病变3D—DSA确诊,5例因血管重叠3D—DSA排除了动脉瘤。6枚GDC栓塞,5枚手术夹闭,2枚颈内动脉可脱性球囊封阻术。结论:3D—DSA极大提高了脑血管造影检查的准确性和可靠性,为动脉瘤的介入治疗和手术夹闭提供了可靠保障,在临床诊疗中具有很高的应用价值。 相似文献
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肝动脉解剖变异影像学研究 总被引:6,自引:0,他引:6
目的用数字减影血管造影(DSA)和CT血管造影(CTA)进一步探讨肝动脉解剖变异的种类、发生率及特点。方法回顾分析1000例因肝脏疾病而行DSA检查患者的临床资料、肝动脉的DSA,以及其中的32例肝动脉解剖变异的CTA表现。观察肝动脉的起源、走行、分布情况,并分别统计其变异类型和发生率。结果1000例肝动脉造影中,正常型727例,占72.7%;肝动脉变异273例,占27.3%。273例肝动脉变异中属于Michels分型的148例,占14.8%。Michels分型未包括在内者为125例,占12.5%。其中肝总动脉分叉变异54例,占5.4%,肝动脉起源变异214例,占21.4%,肝总动脉分叉 肝动脉起源变异5例,占0.5%。以上变异合并多种变异共存21例,占2.1%。结论肝动脉解剖变异的种类具有多样性、复杂性。除DSA外,CTA亦可显示肝动脉解剖变异。肝胆外科和影像科医师了解肝动脉解剖变异对于术前制定手术方案、提高诊断准确性等有重要意义。 相似文献
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A wireless device for the assessment of tardive dyskinesia by means of digital image processing is presented. Four skin-cream dots placed around the subjects' mouth are recorded by a video camera. The image is passed to a framegrabber with a signal processor, where it is converted from analogue to digital. A fast spot-detecting algorithm implemented on the signal processor tracks the dots and passes the information to a personal computer, where a Fourier transformation is performed to calculate the frequency spectrum of the movements. The device provided detailed information on the magnitude and on the frequencies of the movements. Data from a longitudinal investigation suggest a higher sensitivity and reliability than conventional rating scales to detect and evaluate abnormal perioral movements. The device might be useful for the early detection, for the longitudinal assessment (p.e. clinical trials) and in some cases for the differential diagnosis of tardive dyskinesia, thus providing a tool for both research and clinical purposes. 相似文献
108.
Lyn Wendon 《Early child development and care》1993,86(1):11-22
The originator of LETTERLAND describes a unique teaching model which blends a structured phonics approach with whole language teaching. Children are introduced to a language about language which enables them to acquire a confident mastery of print based on parallel learning. Its pictogrammatic approach creates a stimulus to inquiry and a learning environment which is imaginative and friendly. 相似文献
109.
C. D. Frith N. Kapur K. J. Friston P. F. Liddle R. S. J. Frackowiak 《Human brain mapping》1995,3(2):153-160
In order to study brain activity associated with “incidental” cognitive processing, regional cerebral blood flow (rCBF) was measured in six volunteers while they monitored a sequence of pseudo-words (e.g., FLOPE) for the rare occasions when the letters were displayed in blue rather than white. In the control condition, the same pseudo-word was presented repeatedly. In one experimental condition all 60 pseudo-words were different, while in the other there were 18 repetitions. Although it was not necessary to “read” the pseudo-words to perform the monitoring task, subsequent forced choice recognition memory for these stimuli was significantly greater than chance. Furthermore, there were significant differences in blood flow between the three conditions. When different pseudo-words were presented there was significantly greater activity in brain areas concerned with shape and object identity (extrastriate cortex bilaterally), with visual word form (left inferior temporal gyrus), and with articulatory word form (Broca's area) even though none of this information about the pseudo-words was needed for performance of the monitoring task. In the condition in which some of the words were repeated, there was significantly reduced activity in the right lingual gyrus. This area may therefore be a possible anatomical locus for repetition priming with verbal stimuli. These results indicate the importance of taking into account incidental processing when designing tasks for functional imaging experiments. © 1995 Wiley-Liss, Inc. 相似文献
110.
联勤后我分部医院开展优质服务的做法 总被引:2,自引:2,他引:0
魏敦宏 《解放军医院管理杂志》2003,10(2):104-105
为探讨军队医院联勤后开展联勤优质服务工作的管理,本介绍了我分部所属医院开展优质服务的做法,即:端正服务态度,增强服务意识,狠抓内涵建设,提高服务质量,改善医疗设备,美化诊疗环境,完善制度措施,加强监督管理等落实联勤优质服务。 相似文献