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[1990] Proceedings. Third Annual IEEE Symposium on Computer-Based Medical Systems最新文献

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A new multichannel bladder stimulator 一种新型多通道膀胱刺激器
[1990] Proceedings. Third Annual IEEE Symposium on Computer-Based Medical Systems Pub Date : 1990-06-03 DOI: 10.1109/CBMSYS.1990.109399
M. Sawan, F. Duval, S. Pourmehdi, J. Mouine
{"title":"A new multichannel bladder stimulator","authors":"M. Sawan, F. Duval, S. Pourmehdi, J. Mouine","doi":"10.1109/CBMSYS.1990.109399","DOIUrl":"https://doi.org/10.1109/CBMSYS.1990.109399","url":null,"abstract":"An integrated circuit intended for neural stimulation applications is described. The device has been designed and implemented in CMOS 3- mu m technology. The major advantages of the chip are its programmability and versatility. The intensity, format, and timing of the current pulses available at the eight channel outputs are serially and fully programmable. The different components of the device are controlled by a finite-state machine implemented by a PLA (programmable logic array). This implant can be placed inside the human body for long-term neural stimulation, and it can be used for many neurologic stimulation applications with minor modification of the implant.<<ETX>>","PeriodicalId":365366,"journal":{"name":"[1990] Proceedings. Third Annual IEEE Symposium on Computer-Based Medical Systems","volume":"66 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1990-06-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128753589","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Automatic generation of a knowledge-base for a dermatology expert system 皮肤病专家系统知识库的自动生成
[1990] Proceedings. Third Annual IEEE Symposium on Computer-Based Medical Systems Pub Date : 1990-06-03 DOI: 10.1109/CBMSYS.1990.109413
V. Yoon, Robert W. Brobst, P. Bergstresser, L. Peterson
{"title":"Automatic generation of a knowledge-base for a dermatology expert system","authors":"V. Yoon, Robert W. Brobst, P. Bergstresser, L. Peterson","doi":"10.1109/CBMSYS.1990.109413","DOIUrl":"https://doi.org/10.1109/CBMSYS.1990.109413","url":null,"abstract":"A connectionist expert system (ES) in the domain of dermatology which will ultimately be used for instruction of medical students in the diagnosis of papulosquamous skin diseases is presented. The ES performs as an apparatus for diagnosis and elucidates the effects of diagnostic parameters in the derivation of viable conclusions. The ES uses the back-propagation algorithm to automatically generate a knowledge base from patient cases, each consisting of a list of symptoms as input and the expert's diagnosis as the desired output. The knowledge base has the form of a multilayered network, and knowledge is distributed over the network so that a implicit specification of decision criteria. The ES uses this knowledge base for diagnosing a patient's disease given a list of symptoms.<<ETX>>","PeriodicalId":365366,"journal":{"name":"[1990] Proceedings. Third Annual IEEE Symposium on Computer-Based Medical Systems","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1990-06-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114338545","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Computerized clinical histories: the development of an HIS subsystem in a community hospital 计算机化临床病史:社区医院HIS子系统的开发
[1990] Proceedings. Third Annual IEEE Symposium on Computer-Based Medical Systems Pub Date : 1990-06-03 DOI: 10.1109/CBMSYS.1990.109434
P. A. Michael, R. E. Kanich, C. P. Hall, S. H. Ruchte
{"title":"Computerized clinical histories: the development of an HIS subsystem in a community hospital","authors":"P. A. Michael, R. E. Kanich, C. P. Hall, S. H. Ruchte","doi":"10.1109/CBMSYS.1990.109434","DOIUrl":"https://doi.org/10.1109/CBMSYS.1990.109434","url":null,"abstract":"In an effort to enhance medical decision support and assessment resources by providing faster, more convenient access to the clinical histories of hospitalized patients, Rex Hospital is in the process of developing a clinical history subsystem. In its initial phase, the subsystem creates a long-term clinical history file by extracting prior Rex admissions information (discharge diagnoses, medical and surgical procedures, allergies, and infectious disease alerts) from existing short-term database files. Qualified users may print this data on demand. A detailed description of the clinical history subsystem and its perceived role in the evolution toward a totally automated medical record are presented.<<ETX>>","PeriodicalId":365366,"journal":{"name":"[1990] Proceedings. Third Annual IEEE Symposium on Computer-Based Medical Systems","volume":"60 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1990-06-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124647252","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
VAD: ventilation management in the ICU VAD: ICU的通气管理
[1990] Proceedings. Third Annual IEEE Symposium on Computer-Based Medical Systems Pub Date : 1990-06-03 DOI: 10.1109/CBMSYS.1990.109418
I. MacGill, J. Cade, R. Siganporia, J. Packer
{"title":"VAD: ventilation management in the ICU","authors":"I. MacGill, J. Cade, R. Siganporia, J. Packer","doi":"10.1109/CBMSYS.1990.109418","DOIUrl":"https://doi.org/10.1109/CBMSYS.1990.109418","url":null,"abstract":"VAD (ventilation advisor), an expert system intended to assist in the management of mechanical ventilation for critically ill patients, is discussed. The system continuously interprets patient data collected from standard intensive care unit (ICU) equipment to offer staff advice on the patient's status, unexpected ventilation events, and the appropriateness of current ventilator therapy. VAD's encoded medical expertise is provided by clinical and nursing specialists in intensive care. It has been implemented as a custom expert tool written in C, and run in real time on an IBM-AT-compatible computer. VAD is currently being tuned and evaluated in closely regulated clinical trials within the ICU.<<ETX>>","PeriodicalId":365366,"journal":{"name":"[1990] Proceedings. Third Annual IEEE Symposium on Computer-Based Medical Systems","volume":"26 5","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1990-06-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134446068","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Extending a knowledge base to support explanations 扩展知识库以支持解释
[1990] Proceedings. Third Annual IEEE Symposium on Computer-Based Medical Systems Pub Date : 1990-06-03 DOI: 10.1109/CBMSYS.1990.109407
Yuemei Zhang, M. Evens, J. Michael, A. Rovick
{"title":"Extending a knowledge base to support explanations","authors":"Yuemei Zhang, M. Evens, J. Michael, A. Rovick","doi":"10.1109/CBMSYS.1990.109407","DOIUrl":"https://doi.org/10.1109/CBMSYS.1990.109407","url":null,"abstract":"In order to support explanations in a knowledge-based system, a method is proposed to extend an existing knowledge base: adding more knowledge and including relations and their semantics among the different types of knowledge. The criterion followed to organize a knowledge base is to classify and represent knowledge according to different levels of application and abstraction. This criterion also facilitates future extension of a knowledge base for explanations of the procedure and heuristic knowledge.<<ETX>>","PeriodicalId":365366,"journal":{"name":"[1990] Proceedings. Third Annual IEEE Symposium on Computer-Based Medical Systems","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1990-06-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132873531","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 11
Reduction of interference in knee sound signals by adaptive filtering 通过自适应滤波减少膝关节声音信号的干扰
[1990] Proceedings. Third Annual IEEE Symposium on Computer-Based Medical Systems Pub Date : 1990-06-03 DOI: 10.1109/CBMSYS.1990.109424
Zhi-Qiang Liu, Yuanting Zhang, K. Ladly, C. Frank, R. Rangayyan, G. D. Bell
{"title":"Reduction of interference in knee sound signals by adaptive filtering","authors":"Zhi-Qiang Liu, Yuanting Zhang, K. Ladly, C. Frank, R. Rangayyan, G. D. Bell","doi":"10.1109/CBMSYS.1990.109424","DOIUrl":"https://doi.org/10.1109/CBMSYS.1990.109424","url":null,"abstract":"The effects of interfering signals in the knee and the need for an adaptive filtering scheme for knee-sound estimation are briefly discussed. A least-mean-squares algorithm has been used for adaptive cancellation of interfering signals in knee sounds. In the implementation, a two-stage adaptive scheme is used to cancel both muscle contraction and tremor artifacts. Experiments show that with the proposed filtering scheme the interfering signals are significantly reduced, while retaining the desired features of the knee-sound signals. This will subsequently allow accurate quantitative analysis and objective diagnosis of cartilage pathology.<<ETX>>","PeriodicalId":365366,"journal":{"name":"[1990] Proceedings. Third Annual IEEE Symposium on Computer-Based Medical Systems","volume":"96 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1990-06-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122343924","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 7
A low-cost personal computer-based radiology diagnostic expert system and image and text database 基于个人计算机的低成本放射学诊断专家系统及图像和文本数据库
[1990] Proceedings. Third Annual IEEE Symposium on Computer-Based Medical Systems Pub Date : 1990-06-03 DOI: 10.1109/CBMSYS.1990.109412
David Kowarski
{"title":"A low-cost personal computer-based radiology diagnostic expert system and image and text database","authors":"David Kowarski","doi":"10.1109/CBMSYS.1990.109412","DOIUrl":"https://doi.org/10.1109/CBMSYS.1990.109412","url":null,"abstract":"A program for radiology differential diagnosis (DDX) using Prolog, a programming language for artificial intelligence applications is developed. The program uses a probabilistic model based on Bayes' theorem to arrive at and rank the relative probabilities of possible diagnosis. This model uses the prevalence of diagnoses and conditional probabilities of diagnostic features. It treats nonindependent diagnostic features by defining compound conditional probabilities to describe the interdependence of conditional probabilities. The program has an iterative mouse-controlled menu-driven interface that makes selecting more diagnostic features yield shorter DDX's. This process can be reversed by deselecting features, allowing what-if experimentation. The program ranks the DDX by relative probability and allows reviewing images or text descriptions of each diagnosis in the list. The program creates separate databases that users may alter, using terminology of their choosing for diagnoses and diagnostic features.<<ETX>>","PeriodicalId":365366,"journal":{"name":"[1990] Proceedings. Third Annual IEEE Symposium on Computer-Based Medical Systems","volume":"38 1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1990-06-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130983982","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Development of a microcomputer system for assessment of chronic compartment syndrome 慢性筋膜间室综合征微机诊断系统的研制
[1990] Proceedings. Third Annual IEEE Symposium on Computer-Based Medical Systems Pub Date : 1990-06-03 DOI: 10.1109/CBMSYS.1990.109431
R. Peindl, M. Hermann, K. Russell, A. McBryde
{"title":"Development of a microcomputer system for assessment of chronic compartment syndrome","authors":"R. Peindl, M. Hermann, K. Russell, A. McBryde","doi":"10.1109/CBMSYS.1990.109431","DOIUrl":"https://doi.org/10.1109/CBMSYS.1990.109431","url":null,"abstract":"A microcomputer-based data acquisition and analysis system which is currently being developed and evaluated as a diagnostic tool for assessment of chronic compartment syndrome is described. System software provides information on compartment pulse pressure, both preexercise and postexercise, and muscle contraction and relaxation pressures during exercise in the anterior and deep posterior compartments of the lower leg. To date, 29 asymptomatic volunteers have been evaluated. The technical aspects of the system development are described, preliminary clinical findings are presented, and anticipated modifications necessary for utilization of the system in a clinical setting are discussed.<<ETX>>","PeriodicalId":365366,"journal":{"name":"[1990] Proceedings. Third Annual IEEE Symposium on Computer-Based Medical Systems","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1990-06-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132322672","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Building a multi-purpose medical diagnostic system under uncertain and incomplete environment 构建不确定不完全环境下的多功能医疗诊断系统
[1990] Proceedings. Third Annual IEEE Symposium on Computer-Based Medical Systems Pub Date : 1990-06-03 DOI: 10.1109/CBMSYS.1990.109415
Gwo-Haur Hwang, S. Tseng
{"title":"Building a multi-purpose medical diagnostic system under uncertain and incomplete environment","authors":"Gwo-Haur Hwang, S. Tseng","doi":"10.1109/CBMSYS.1990.109415","DOIUrl":"https://doi.org/10.1109/CBMSYS.1990.109415","url":null,"abstract":"A multipurpose medical diagnosis system, AEA (the acute exanthem advisor), is proposed. AEA offers a helpful environment for the diagnostician by providing reviewing, record keeping, and explanation functions. The diagnostician can use AEA as an assistant, record keeper, or education tool. It includes a statistical program to predict the number of patients who are going to have acute exanthemas. Test results show that the ability of AEA is almost the same as that of a diagnostician in diagnosing acute exanthemas.<<ETX>>","PeriodicalId":365366,"journal":{"name":"[1990] Proceedings. Third Annual IEEE Symposium on Computer-Based Medical Systems","volume":"112 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1990-06-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124249552","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
Restoration of cardiac magnetic resonance images 心脏磁共振图像的恢复
[1990] Proceedings. Third Annual IEEE Symposium on Computer-Based Medical Systems Pub Date : 1990-06-03 DOI: 10.1109/CBMSYS.1990.109379
P. Santago, K. Link, W. Snyder, S. Rajala, J. Worley, Youn-Sik Han
{"title":"Restoration of cardiac magnetic resonance images","authors":"P. Santago, K. Link, W. Snyder, S. Rajala, J. Worley, Youn-Sik Han","doi":"10.1109/CBMSYS.1990.109379","DOIUrl":"https://doi.org/10.1109/CBMSYS.1990.109379","url":null,"abstract":"Motion artifacts due to heart motion and blood flow within the heart chambers are a significant barrier to accurate interpretation of cardiac magnetic resonance images (MRI). The post-processing techniques of Wiener filtering, alternating projections onto convex sets (POCS), and mean field annealing (MFA) to remove these artifacts are studied. Removal of noise from the images is accomplished with MFA by setting up a restoration problem whose objective function encapsulates both data-dependent and a priori knowledge about the image. Two important aspects of MFA are the use of a penalty rather than a constraint, and the fact that it converges twenty times as rapidly as normal simulated annealing. Images of the results of Wiener filtering and MFA are shown, and the methods of POCS and MFA are briefly explained.<<ETX>>","PeriodicalId":365366,"journal":{"name":"[1990] Proceedings. Third Annual IEEE Symposium on Computer-Based Medical Systems","volume":"137 9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1990-06-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128718996","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
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