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At least 19 recordsLinked to original sources
PubMed1994

HUBNET: Wide Area Network utilization of Local Area Network medical reference and communication resources.

The State University of New York at Buffalo School of Medicine and Biomedical Sciences and its associated teaching sites have developed and partially implemented a regional Wide Area Network (WAN) in Buffalo and Western New York. The school wishes to use this WAN to deliver reference and communication resources to students, residents and faculty. The richest pool of easy to use reference and communication resources are PC software programs that are intended for individual workstations or at best, client-server, Local Area Network (LAN) implementation. HUBNET (Hospitals and University at Buffalo Library Resource Network), a project of the School of Medicine and the Library Consortium of Health Institutions in Buffalo offers integrated presentation of many such LAN resources over this regional WAN. The system crosses many institutional boundaries and reaches physically remote sites in a complex mix of information systems environments with few issues related to performance. The system design provides a level of ease of use that has brought many new users into active computer use while addressing integration into diverse information systems settings and networking environments.

Computer Communication Networks↗
PubMedDate not supplied

Wireless local area network security.

Wireless local area networks (WLANs) are increasingly popular in clinical settings because they facilitate the use of wireless PDAs, laptops, and other pervasive computing devices at the point of care. However, because of the relative immaturity of wireless network technology and evolving standards, WLANs, if improperly configured, can present significant security risks. Understanding the security limitations of the technology and available fixes can help minimize the risks of clinical data loss and maintain compliance with HIPAA guidelines.

Ambulatory Care Information Systems↗
PubMed1988

Local area networks for radiology.

This article is a tutorial on local area networks (LAN) for radiology applications. LANs are being implemented in radiology departments for the management of text and images, replacing the inflexible point-to-point wiring between two devices (computer-to-terminal). These networks enable the sharing of computers and computer devices, reduce equipment costs, and provide improved reliability. Any LAN must include items from the following four categories: transmission medium, topology, data transmission mode, and access protocol. Media for local area networks are twisted pair, coaxial, and optical fiber cables. The topology of these networks include the star, ring, bus, tree, and circuit-switching. Data transmission modes are either analog signals or digital signals. Access protocol methods include the broadcast bus system and the ring system. A performance measurement for a LAN is the throughput rate as a function of the number of active computer nodes. Standards for LANs help to ensure that products purchased from multiple manufacturers will operate successfully.

Humans↗
PubMed2004

Wireless local area network in a prehospital environment.

BACKGROUND: Wireless local area networks (WLANs) are considered the next generation of clinical data network. They open the possibility for capturing clinical data in a prehospital setting (e.g., a patient's home) using various devices, such as personal digital assistants, laptops, digital electrocardiogram (EKG) machines, and even cellular phones, and transmitting the captured data to a physician or hospital. The transmission rate is crucial to the applicability of the technology in the prehospital setting. METHODS: We created two separate WLANs to simulate a virtual local are network environment such as in a patient's home or an emergency room (ER). The effects of different methods of data transmission, number of clients, and roaming among different access points on the file transfer rate were determined. RESULTS: The present results suggest that it is feasible to transfer small files such as patient demographics and EKG data from the patient's home to the ER at a reasonable speed. Encryption, user control, and access control were implemented and results discussed. CONCLUSIONS: Implementing a WLAN in a centrally managed and multiple-layer-controlled access control server is the key to ensuring its security and accessibility. Future studies should focus on product capacity, speed, compatibility, interoperability, and security management.

Cell Phone↗
PubMed1993

Planning and implementing a microcomputer local-area network.

Factors to be considered in planning and implementing a microcomputer local-area network (LAN) in a pharmacy department are discussed. Reasons for implementing a LAN include the ability to share data, programs, and peripheral devices among multiple users. The network operating system may be full featured or a peer-to-peer system. Full-featured networks require a dedicated file server but are more powerful and versatile. The file server, if used, is the most important piece of equipment. Factors that affect the choice of a file server are the processor, the bus, memory and speed, the supplier, and the power supply. It is necessary to select network adapters and wiring and to decide whether any of the department's current computer equipment will be used in the network. Decisions must also be made about software. The equipment should be set up by the computer services department or a vendor. Two or more pharmacists must be appointed and trained as supervisors to manage the network, diagnose and correct problems, perform network backup, and guard against computer viruses. Security is a major concern because of the need for confidentiality, the licensure of software for only a limited number of users, and the risk of inadvertent alteration or erasure of data. Network users must be trained to use the system properly. Department managers should consider the need to access the LAN from computers outside the department and the possible incorporation of the LAN into a wide-area network. A microcomputer LAN can provide valuable information services, but careful planning is necessary to avoid pitfalls and to ensure that the network meets current and future needs.

Clinical Pharmacy Information Systems↗
PubMed1992

PACS mini refresher course. Local area network topologies, media, and routing.

Picture archiving and communication systems (PACS) use local area networks (LANs) for the transfer of images and image-related data. There are several aspects of LANs that are used to describe and categorize them: topology, the media used for transmission, and the medium access control (MAC) protocols. The four basic topologies are the bus, tree, ring, and star; the four primary types of media used for LANs include coaxial cable, twisted-pair wire, fiberoptic cables, and wireless. The wireless LANs that use infrared and radio frequencies are new but promising. Of the three MACs presently being used--Ethernet, fiber distributed data interface (FDDI), and UltraNet--Ethernet is the most common. LANs can be interconnected by means of the repeater, bridge, router, and gateway internetworking devices. The future of LAN development lies in increased standardization and increased connectivity in order to make teleradiology a reality.

Local Area Networks↗
PubMed1991

Implementation of a local area network for nursing management.

This paper describes the planning and implementation of a Local Area Network (LAN) for the nursing service of a 504-bed urban teaching hospital. The major goals of the network were: support for nurse executives, nurse managers, and the departmental assistants assigned to administrative offices; increased efficiency and effectiveness of the nursing administrative areas; and improved communication systems. Collaboration between the nursing service and the Computer Information Center (CIC) resulted in a network of over 70 workstations, spanning 11 buildings. The network provides access to multiple programs that support clinical, managerial, and research activities. Gateways provide access to the hospital's two mainframes.

Boston↗
PubMed1994

Implementing a nursing administration local area network.

Several factors should be considered in planning and implementing a nursing administration Local Area Network (LAN). Initial support from nursing management and your organization's information systems department are key to successful acceptance by hospital administration. Involvement of all users and support staff in the process will assure acceptance and an efficient roll-out. Flexibility is critical as the best-laid plans suffer delays when a large project is initiated. Adequate support will assure a smoother process for implementing and maintaining a nursing LAN.

Costs and Cost Analysis↗
PubMedDate not supplied

Wireless local area networking for linking a PC reporting system and PACS: clinical feasibility in emergency reporting.

Although local area networks (LANs) are commonplace in hospital-based radiology departments today, wireless LANs are still relatively unknown and untried. A linked wireless reporting system was developed to improve work throughput and efficiency. It allows radiologists, physicians, and technologists to review current radiology reports and images and instantly compare them with reports and images from previous examinations. This reporting system also facilitates creation of teaching files quickly, easily, and accurately. It consists of a Digital Imaging and Communications in Medicine 3.0-based picture archiving and communication system (PACS), a diagnostic report server, and portable laptop computers. The PACS interfaces with magnetic resonance imagers, computed tomographic scanners, and computed radiography equipment. The same kind of functionality is achievable with a wireless LAN as with a wired LAN, with comparable bandwidth but with less cabling infrastructure required. This wireless system is presently incorporated into the operations of the emergency and radiology departments, with future plans calling for applications in operating rooms, outpatient departments, all hospital wards, and intensive care units. No major problems have been encountered with the system, which is in constant use and appears to be quite successful.

Emergency Service, Hospital↗
PubMed1987

Microcomputer-based local area network system for controlling information on perinatal medicine.

We present an outline of our microcomputer-based Local Area Network (LAN) system designed to process information related to perinatal events. This system enables any of the medical personnel to use a microcomputer terminal installed at the bedside and also to process, in a real-time manner, new input-information together with past information, thereby correlating the processing of medical information to actual clinical care. In addition, using the utility subsystem, a more desired form of data-output can be substituted for conventional hand-prepared clinical charts. Over a 3-month test period for clinical use, it became evident that this could serve as a suitable prototype system capable of covering the entire scope of information required by perinatologists. This system also enables any form of statistical assessment to be made of events, such as calculating the perinatal mortality rate and the incidence of preeclampsia. Problems arising from the clinical application of this system are given immediate attention and appropriate steps taken.

Computer Systems↗
PubMed1996

[Radiology diagnostic reporting system with local area networked personal computers].

We developed a radiology diagnostic reporting system compatible with a local area networked personal computer. A commercial package with a client-server database application was used for this customized program. With this system all diagnostic reports can be input from a client personal computer and saved on a server computer. This makes the retrieval of past diagnostic reports extremely easy. Use of this system in our department during the past 10 months, has simplified the management of diagnostic reports, reduced clerical work and saved storage space. It offers easy access for collecting clinical cases of interest since a database function for research purposes is also incorporated. This system using a personal computer and commercial application program is cheaper and more flexible than those that use a workstation base.

Computer Communication Networks↗
PubMed1991

A local area network for medical research; planning, realization and experience.

This report focuses on the planning and realization of an interdisciplinary local area network (LAN) for medical research at the University of Heidelberg. After a detailed requirements analysis, several networks were evaluated by means of a test installation, and a cost-performance analysis was carried out. At present, the LAN connects 45 (IBM-compatible) PCs, several heterogeneous mainframes (IBM, DEC and Siemens) and provides access to the public X.25 network and to wide-area networks for research (EARN, BITNET). The network supports application software that is frequently needed in medical research (word processing, statistics, graphics, literature databases and services, etc.). Compliance with existing "official" (e.g., IEEE 802.3) and "de facto" standards (e.g., PostScript) was considered to be extremely important for the selection of both hardware and software. Customized programs were developed to improve access control, user interface and on-line help. Wide acceptance of the LAN was achieved through extensive education and maintenance facilities, e.g., teaching courses, customized manuals and a hotline service. Since requirements of clinical routine differ substantially from medical research needs, two separate networks (with a gateway in between) are proposed as a solution to optimally satisfy the users' demands.

Costs and Cost Analysis↗
PubMedDate not supplied

Implementing a local area network for nursing in a large teaching hospital.

The authors describe the assessment, planning, implementation, and benefits of a local area network (LAN) for the nursing service of a 504-bed urban teaching hospital. The major goals of the network were to increase the efficiency and effectiveness of the nursing administrative areas and improve communication systems. A network of more than 90 workstations, spanning 12 buildings, was installed. The network provides access to multiple programs that support clinical, managerial, and research activities. Gateways provide access to the hospital's two mainframe computers. Network benefits identified by nursing management include: improved communication and access to information; increased accuracy, efficiency and timeliness of data; and improved computer literacy.

Boston↗
PubMed1994

Audiometry database system using a local area network.

We linked several audiometers to a personal computer to implement a standard pure-tone audiometric database system using a local area network (LAN). The efficiency of data entry and retrieval was increased by taking advantage of a relational database. The following five programs were developed: automatic incorporation of hearing test data program, audiogram retrieval and display program, patient information incorporation program, data transmission program through LAN, and evaluation of results of tympanoplasty. Data obtained over ten years or more can be rapidly stored and retrieved in this system, making it easier to evaluate the patient's hearing after tympanoplasty.

Audiometry, Pure-Tone↗