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At least 289 records · Page 16Linked to original sources
PubMed1994

Navigating the Internet.

Navigating any complex set of information resources requires tools for both browsing and searching. A number of tools are available today for using Internet resources, and more are being developed. This article reviews existing navigational tools, including two developed at the Yale University School of Medicine, and points out their strengths and weaknesses. A major shortcoming of the present Internet navigation methods is the lack of controlled descriptions of the available resources. As a result, navigating the Internet is very difficult.

Computer Communication Networks↗
PubMed1987

Computers in rheumatology.

The results of a nationwide survey of the use of computers in rheumatology departments in the UK is presented. The survey revealed a widespread interest in the various possible uses of computer hardware and software in the specialty, and highlighted the difference between the experience of those who use computers and the aspirations of those who hope to.

Medical Informatics Computing↗
PubMed2001

Chem-tox informatics: data mining using a medicinal chemistry building block approach.

Relating chemical structure to biological activity is not a new endeavor, however, the ability to do this on large datasets is just emerging. To cope with the enormous amounts of data being generated, an assortment of computational methods has been developed in the fields of chemoinformatics and computational toxicology. Many of the molecular descriptors used in these approaches are abstract, theoretical constructs that are difficult to understand and visualize. Having easily recognized chemical features, such as those in several new programs, will allow chemists to use toxicological information (or any biological information) when designing new libraries. These improved chem-tox informatics systems will have an impact on library design, hit and lead optimization, development candidate testing and regulatory review.

Animals↗
PubMed1995

HPCC and the National Information Infrastructure: an overview.

The National Information Infrastructure (NII) or "information superhighway" is a high-priority federal initiative to combine communications networks, computers, databases, and consumer electronics to deliver information services to all U.S. citizens. The NII will be used to improve government and social services while cutting administrative costs. Operated by the private sector, the NII will rely on advanced technologies developed under the direction of the federal High Performance Computing and Communications (HPCC) Program. These include computing systems capable of performing trillions of operations (teraops) per second and networks capable of transmitting billions of bits (gigabits) per second. Among other activities, the HPCC Program supports the national supercomputer research centers, the federal portion of the Internet, and the development of interface software, such as Mosaic, that facilitates access to network information services. Health care has been identified as a critical demonstration area for HPCC technology and an important application area for the NII. As an HPCC participant, the National Library of Medicine (NLM) assists hospitals and medical centers to connect to the Internet through projects directed by the Regional Medical Libraries and through an Internet Connections Program cosponsored by the National Science Foundation. In addition to using the Internet to provide enhanced access to its own information services, NLM sponsors health-related applications of HPCC technology. Examples include the "Visible Human" project and recently awarded contracts for test-bed networks to share patient data and medical images, telemedicine projects to provide consultation and medical care to patients in rural areas, and advanced computer simulations of human anatomy for training in "virtual surgery."

Computer Communication Networks↗
PubMed2002

Evaluation in health informatics: computer simulation.

The evaluation of complex medical informatics applications involves not only the information system, but also its impact on the organizational environment in which it is implemented. In instances where these applications cannot be evaluated with traditional experimental methods, computer simulation provides a flexible approach to evaluation. The construction of a computer simulation model involves the development of a model that represents important aspects of the system under evaluation. Once validated, the model can be used to study the effects of variation in system inputs, differences in initial conditions and changes in the structure of the system. Three examples are discussed, namely, a wide-area health care network, physician order entry into a hospital information system, and the use of an information system designed to prevent medical errors that lead to adverse drug events in hospitals.

Computer Simulation↗
PubMed1999

The CCC system in two teaching hospitals: a progress report.

Computing systems developed by the Center for Clinical Computing (CCC) have been in operation in Beth Israel and Brigham and Women's hospitals for over 10 years. Designed to be of direct benefit to doctors, nurses, and other clinicians in the care of their patients, the CCC systems give the results of diagnostic studies immediately upon request; offer access to the medical literature: give advice, consultation, alerts, and reminders; assist in the day-to-day practice to medicine, and participate directly in the education of medical students and house officers. The CCC systems are extensively used, even by physicians who are under no obligation to use them. Studies have shown that the systems are well received and that they help clinicians improve the quality of patient care. In addition, the CCC systems have had a beneficial impact on the finances of the two hospitals, and they have cost less than what many hospitals spend for financial computing alone.

Attitude↗
PubMed1996

Cardiological database management system as a mediator to clinical decision support.

An object-oriented medical database management system is presented for a typical cardiologic center, facilitating epidemiological trials. Object-oriented analysis and design were used for the system design, offering advantages for the integrity and extendibility of medical information systems. The system was developed using object-oriented design and programming methodology, the C++ language and the Borland Paradox Relational Data Base Management System on an MS-Windows NT environment. Particular attention was paid to system compatibility, portability, the ease of use, and the suitable design of the patient record so as to support the decisions of medical personnel in cardiovascular centers. The system was designed to accept complex, heterogeneous, distributed data in various formats and from different kinds of examinations such as Holter, Doppler and electrocardiography.

Cardiovascular Diseases↗
PubMed1997

Medical informatics training programme to support the Romanian Health Care Management Information System.

The Health Management Information System (HMIS) project initiated by the Ministry of Health as a component of the healthcare reform is aiming to ensure the technical, functional and operative support for: i) a better overview of the population health status, of the medical care needs and of the Health System performances; ii) the improvement of the resource allocation and consumption; iii) reform support. This system is supposed to assure a better information flow from the lower to the upper levels of the healthcare network by help of a modern IT support. In the first development stage the system is planned to link the Ministry of Health with the 41 District Health Authorities (DHAs) and with more than 200 pilot health units. The implementation of such a large system raises serious problems of acceptability and a thorough training programme for both technical staff and end users must be considered in order to face this challenge.

Computer Literacy↗
PubMed1990

Medical informatics: the substantive discipline behind health care computer systems.

The computer is rapidly becoming an interactive workstation for medical research and for clinical decision-making and it has become a preferred instrument for communication and documentation throughout health care. However, when the attempt is made to use the rigid conventions of information processing to impose order on the characteristically volatile and unpredictable phenomena encountered in the clinical setting, deep seated logical issues are uncovered. This challenge has generated the new field of Medical Informatics, one major goal of which is to formulate computer logics that can properly relate the idealized descriptions of disease, the rules for medical practice and the general guidelines for health care to the intricate diversities encountered in the care of individual patients. The Integrated Academic Information Management System (IAIMS) program of the National Library of Medicine provides the most ambitious environment for research in this new endeavor.

Expert Systems↗
PubMed1988

Semantically assisted medical bibliographic retrieval: an experimental computer system.

An experimental computer-based bibliographic retrieval system has been implemented to explore how semantic (conceptual) relationships between MeSH terms might assist the retrieval process. To construct the experimental system's database, lists of abstracts were produced using MEDLINE. Each list contained papers discussing a specified pair of terms. Each abstract was then analyzed to determine the specific relationship(s) between the two terms discussed in that paper. The project then explored how these semantic relationships could be incorporated into the computer to enhance bibliographic retrieval.

Information Systems↗
PubMed2000

Technology architecture guidelines for a health care system.

Although the demand for use of information technology within the healthcare industry is intensifying, relatively little has been written about guidelines to optimize IT investments. A technology architecture is a set of guidelines for technology integration within an enterprise. The architecture is a critical tool in the effort to control information technology (IT) operating costs by constraining the number of technologies supported. A well-designed architecture is also an important aid to integrating disparate applications, data stores and networks. The authors led the development of a thorough, carefully designed technology architecture for a large and rapidly growing health care system. The purpose and design criteria are described, as well as the process for gaining consensus and disseminating the architecture. In addition, the processes for using, maintaining, and handling exceptions are described. The technology architecture is extremely valuable to health care organizations both in controlling costs and promoting integration.

Computer Systems↗