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PubMed1986

Local area networks in an imaging environment.

There is great interest at present in incorporating image-management systems popularly referred to as picture archiving and communication systems (PACS) into imaging departments. This paper will describe various aspects of local area networks (LANs) for medical images and will give a definition of terms and classification of devices by describing a possible system which links various digital image sources through a high-speed data link and a common image format, allows for viewing and processing of all images produced within the complex, and eliminates the transport of films. The status of standards governing LAN and particularly PACS systems along with a proposed image exchange format will be given. Prototype systems, particularly a system for nuclear medicine images, will be presented, as well as the prospects for the immediate future in terms of installations started and commercial products available. A survey of the many questions that arise in the development of a PACS for medical images and also a survey of the presently suggested/adopted answers will be given.

Archives↗
PubMed1994

Integrating a personal-computer local-area network with a radiology information system: value as a tool for clinical research.

We investigated a method for increasing the utility of a radiology information system by connecting it to a personal-computer network and transferring radiologic data to a more user-friendly, familiar computing environment. We have developed a personal-computer local-area network that is linked to our radiology information system. Our software periodically transfers data from the radiology information system to a file server on our network that supports cross-platform access for Macintosh and IBM PC--compatible computers. Data are stored in formats compatible with inexpensive personal-computer software. These capabilities facilitate any research that requires a tailored, retrospective analysis of radiologic data. The need for ancillary personnel to perform paper-based searches or redundant data entry is decreased. Radiologists and administrators also have user-friendly access to information that might facilitate other projects dealing with education or analysis of clinical efficacy. The ever-growing power of personal computers, combined with inexpensive yet sophisticated software for these machines, frequently provides a more useful method for retrospective analysis of radiologic data than does a proprietary radiology information system running on a minicomputer.

Local Area Networks↗
PubMed1991

A local area network for controlling the ordering and purchasing of radioactive material.

Efficient control over the purchase and receipt of radioactive material is a necessary part of any radiation safety program. We describe a novel computerized method for monitoring the flow of radioactive material within a large broad-licensed medical research complex. The Local Area Network (LAN) described interfaces the radiation safety office with radionuclide receiving, the authorized user, grants and contracts, special accounts, and purchasing. Task-specific software enables the authorized user to place an order and allows the monitoring of possession/ordering limits, personnel, date of order, and time of receipt via the screen. The resultant data base is easily annexed for specific information. The system is user-friendly and adaptable to any set of circumstances.

Academic Medical Centers↗
PubMed2000

[Development and evaluation of a local area network system to make drug information paper for inpatient--adaptation to characteristics of diseases, and expansibility to other hospitals and the Internet].

We developed and evaluated a local area network system to make drug information papers. Because pharmacists should explain drug information both orally and using papers to patients in response to their understanding and characteristics of their diseases. The merit of this system is as follows: pharmacists can use it without any education for its operation; most data can be inputted by selection from the lists and automatic reference; the data are adjustable for individuals; different contents are available for different wards; multiple users can access the same data file. Input data in this system are available for making explanation papers on the medical examination of outpatients, and making a plan for pharmaceutical care and guidance services. This system is also available in other hospitals, and on the internet. First, we surveyed the time required for preparing drug information papers. Making a hand written paper for typical patient takes 395 sec. for manuscript, 160 sec. with the system using text data only, and 178 sec. with the system using text and picture data. Next, we surveyed 27 patients' views on the addition of drug pictures to drug information papers, and with the result that 19 patients thought it very good. Last, we surveyed 13 ward pharmacists about their usage of this system. We found that 8 pharmacists used frequently this system, and 3 pharmacists used the same file in the same hours at the maximum.

Aged↗
PubMed1994

The use of local area networks in the day surgery department.

As patient care moves from inpatient to outpatient status, there is an increased demand for specially developed software applications in the Day Surgery Department. Although a stand-alone computer initially could handle routine tasks performed by surgical staff, it is becoming increasingly apparent that a need exists for a more inclusive system that can manage the vast amounts of information necessary for effective resource management in today's Day Surgery Department environment. Local area networks (LANs) provide the necessary flexibility, expandability, and usability requisite of such a system. This article will discuss the benefits of using LANs in the Day Surgery Department. Specifically, an operating room scheduling and resource management software program is used to illustrate the advantages of LANs in the Day Surgery Department.

Ambulatory Surgical Procedures↗
PubMed1989

Collaborative efforts for successful local area networks.

This article describes the collaborative efforts that enable members of a computer task force and working subgroups to interact and achieve the successful addition of computer systems to the local area network at a 534-bed community hospital and regional medical center in the southeastern United States. The authors focus on the process that must occur from analysis through evaluation when an ancillary department is automated.

Academic Medical Centers↗
PubMed1996

Parallel processing of chemical information in a local area network--II. A parallel cross-validation procedure for artificial neural networks.

This paper describes a parallel cross-validation (PCV) procedure, for testing the predictive ability of multi-layer feed-forward (MLF) neural networks models, trained by the generalized delta learning rule. The PCV program has been parallelized to operate in a local area computer network. Development and execution of the parallel application was aided by the HYDRA programming environment, which is extensively described in Part I of this paper. A brief theoretical introduction on MLF networks is given and the problems, associated with the validation of predictive abilities, will be discussed. Furthermore, this paper comprises a general outline of the PCV program. Finally, the parallel PCV application is used to validate the predictive ability of an MLF network modeling a chemical non-linear function approximation problem which is described extensively in the literature.

Artificial Intelligence↗