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At least 19 recordsLinked to original sources
PubMed2002

Thin client (web browser)-based collaboration for medical imaging and web-enabled data.

Utilizing thin client software and open source server technology, a collaborative architecture was implemented allowing for sharing of Digital Imaging and Communications in Medicine (DICOM) and non-DICOM images with real-time markup. Using the Web browser as a thin client integrated with standards-based components, such as DHTML (dynamic hypertext markup language), JavaScript, and Java, collaboration was achieved through a Web server/proxy server combination utilizing Java Servlets and Java Server Pages. A typical collaborative session involved the driver, who directed the navigation of the other collaborators, the passengers, and provided collaborative markups of medical and nonmedical images. The majority of processing was performed on the server side, allowing for the client to remain thin and more accessible.

Computer Systems↗
PubMedDate not supplied

Teleradiology system accessible through a common web browser.

PURPOSE: To describe a teleradiology system accessible via a PC and a common web browser. MATERIAL AND METHODS: A dedicated system is connected to several radiological imagers (DR, US, CT, MR) with DICOM standard and TCP/IP protocol. The images are visualised in a common web browser on a remote PC by connecting to the dedicated web-site. Compressed images are visualised on a web page. Special toolbars allow specific operations to be performed on the images (brightness-contrast, zoom, distance measurement and ROI defining) and the communication with the radiological centre. RESULTS: The graphic interface is user-friendly and does not require any special knowledge, except for basic PC and internet surfing. Image compression can be set to preserve image quality, and image transfer is fast. CONCLUSIONS: The system presented overcomes the limitations of conventional teleradiology systems since it requires no special network or dedicated software, allowing for visualisation of a radiological examination on a PC and a common web browser.

Humans↗
PubMed1999

Integrating Application Programs for Bioinformatics Using a Web Browser.

We have constructed a general framework for integrating application programs with control through a local Web browser. This method is based on a simple inter-process message function from an external process to application programs. Commands to a target program are prepared in a script file, which is parsed by a message dispatcher program. When it is used as a helper application to a Web browser, these messages will be sent from the browser by clicking a hyper-link in a Web document. Our framework also supports pluggable extension-modules for application programs by means of dynamic linking. A prototype system is implemented on our molecular structure-viewer program, MOSBY. It successfully featured a function to load an extension-module required for the docking study of molecular fragments from a Web page. Our simple framework facilitates the concise configuration of Web softwares without complicated knowledge on network computation and security issues. It is also applicable for a wide range of network computations processing private data using a Web browser.

Journal Article↗
PubMed2000

The web browser as a unifying agent for radiology and the health care enterprise.

A variety of information systems in the health care enterprise are used to store patient information. The hospital information system (HIS), the picture archiving and communications system (PACS), the radiology information systems (RIS), and patient records, for example, are often supported by separate and distinct systems. A referring physician reviewing a radiologist's report often does not have convenient access to the original radiologic images. A radiologist interpreting a radiologic examination may not have convenient access to clinical information generated outside of the radiology department. Clearly, convenient and quick access to all relevant patient information is the ideal in delivering quality patient care. Recently, the web browser has become increasingly well accepted as the "universal client" for viewing a wide variety of information. We believe that the web browser may provide the universal "window" to the variety of distinct information sources required by the physician, and may provide unification of these information sources through hypertext links. We specifically looked at the feasibility of using the web browser to view scanned patient charts. A total of 5,200 patient charts (131,000 pages) were scanned into a structured query language (SQL) database. Access to these records was made available on the hospital local area network (LAN), and on the Internet over the worldwide web. Comparison measurements were made of the time required to access patient records using a dedicated viewing application and using a web browser.

Databases as Topic↗
PubMed2000

Dotlet: diagonal plots in a web browser.

UNLABELLED: Dotlet is a program for comparing sequences by the diagonal plot method. It is designed to be platform-independent and to run in a Web browser, thus enabling the majority of researchers to use it. AVAILABILITY: The applet can be tested at http://www.isrec.isb-sib.ch/java/dotlet/ Dotlet.html, and the source code is available upon request. CONTACT: Thomas. Junier Marco.Pagni @isrec.unil.ch SUPPLEMENTARY: The full documentation about d o t l e t is available from the above URL.

DNA↗
PubMed2004

Evaluation of radiological workstations and web-browser-based image distribution clients for a PACS project in hands-on workshops.

The methodology and outcome of a hands-on workshop for the evaluation of PACS (picture archiving and communication system) software for a multihospital PACS project are described. The following radiological workstations and web-browser-based image distribution software clients were evaluated as part of a multistep evaluation of PACS vendors in March 2001: Impax DS 3000 V 4.1/Impax Web1000 (Agfa-Gevaert, Mortsel, Belgium); PathSpeed V 8.0/PathSpeed Web (GE Medical Systems, Milwaukee, Wis., USA); ID Report/ID Web (Image Devices, Idstein, Germany); EasyVision DX/EasyWeb (Philips Medical Systems, Eindhoven, Netherlands); and MagicView 1000 VB33a/MagicWeb (Siemens Medical Systems, Erlangen, Germany). A set of anonymized DICOM test data was provided to enable direct image comparison. Radiologists ( n=44) evaluated the radiological workstations and nonradiologists ( n=53) evaluated the image distribution software clients using different questionnaires. One vendor was not able to import the provided DICOM data set. Another vendor had problems in displaying imported cross-sectional studies in the correct stack order. Three vendors (Agfa-Gevaert, GE, Philips) presented server-client solutions with web access. Two (Siemens, Image Devices) presented stand-alone solutions. The highest scores in the class of radiological workstations were achieved by ID Report from Image Devices ( p<0.005). In the class of image distribution clients, the differences were statistically not significant. Questionnaire-based evaluation was shown to be useful for guaranteeing systematic assessment. The workshop was a great success in raising interest in the PACS project in a large group of future clinical users. The methodology used in the present study may be useful for other hospitals evaluating PACS.

Computer Communication Networks↗
PubMed2000

RadStation: client-based digital dictation system and integrated clinical information display with an embedded Web-browser.

RadStation is a digital dictation system having an integrated display of clinical information. The three-tiered system architecture provides robust performance, with most information displayed within one second after a request. The multifunctional client tier is a unique client/browser hybrid. A Web browser display window functions as the client application's data display window for clinical information, radiology reports, and laboratory and pathology results. RadStation provides a robust platform for digital dictation functionality. The system's internal status checks ensure operational integrity in a clinical environment. Also, the programmable dictation microphone and bar-code reader supplant the mouse as the system's primary input device. By merging information queries into existing work flow, radiologist's interpretation efficiency is maintained with instant access to essential clinical information. Finally, RadStation requires minimal training and has been enthusiastically accepted by our radiologists in an active clinical practice.

Computer Peripherals↗
PubMed1996

Providing location-independent access to patient clinical narratives using Web browsers and a tiered server approach.

Health care today depends upon timely access to patient medical data and the latest medical knowledge. As we make the transition from a hospital-based organization to an integrated health care delivery system, patient care information must move throughout the organization quickly and efficiently over increasing distances. The emergence of widely-dispersed referral networks demands novel solutions to the problems of delivering patient care information to providers. We have developed a mechanism to provide location-independent access to clinical narrative reports using a multi-tiered server model and World Wide Web technologies for delivery. To successfully deploy such a system to sites separated by large distances, it is important to reduce complexity at the client site. Using a "thin client", such as a web browser, in our design facilitates deployment and support while reducing cost per user. This architecture allows the application to be updated without modification to the end-user software and eases maintenance over long distances.

Computer Communication Networks↗
PubMed2000

Cable modem access to picture archiving and communication system images using a web browser over the Internet.

This presentation describes our experiences using a web-based viewing software and a browser to view our picture archiving and communication system (PACS) images at a remote site with cable modem-internet communications. Our testing shows that using a cable modem to access our radiology webserver produces acceptable transmission speeds to remote sites. The average time-to-display (TTD) for 16 computed tomography (CT) images on the web-based intranet system in our hospital was 7 to 8 seconds. Using a cable modem and comparable equipment at a remote site, the average TTD is 16 seconds over the internet. The TTD does not significantly change during various hours of the day. Security for our hospital-based PACS is provided by a firewall. Access through the firewall is accomplished using virtual private network (VPN) software, a secure ID, and encryption. We have found that this is a viable method for after-hours subspecialty radiology consultation.

Academic Medical Centers↗
PubMed1997

Weaving a new net. Web browser technology holds promise to become all-purpose information tool.

Healthcare systems are adapting the "browser" technology that simplified use of the Internet to weave new webs--known as "intranets"--among their provider and facility networks. Browsers eventually will be tapped to deliver information at the point of care, making them an all-purpose tool to reshape clinical practice by providing just the right data at just the right time for a diagnosis or treatment decision.

Computer Communication Networks↗
PubMed1998

From legacy systems via client/server to web browser technology in hospital informatics in Finland.

The majority of hospital information system installations in Finland are based on a legacy technology from the U.S. Department of Veterans Affairs (VA). This paper presents an architecture and a tool set which provide a migration path from terminal-based to client/server technology, conserving much of the investments in existing applications. It is argued, though, that a new technological revolution is required in the form of extending the web browser/server technology to operational information systems in hospitals. A blueprint is presented for a further migration path from client/server to browser/server technology. The browser technology is regarded as a major challenge to hospital information systems in the next few years.

Computer Systems↗
PubMed2001

"WWW.MDTF.ORG": a World Wide Web forum for developing open-architecture, freely distributed, digital teaching file software by participant consensus.

PURPOSE: To foster a community supported evaluation processes for open-source digital teaching file (DTF) development and maintenance. The mechanisms used to support this process will include standard web browsers, web servers, forum software, and custom additions to the forum software to potentially enable a mediated voting protocol. The web server will also serve as a focal point for beta and release software distribution, which is the desired end-goal of this process. CONCLUSIONS: We foresee that www.mdtf.org will provide for widespread distribution of open source DTF software that will include function and interface design decisions from community participation on the website forums.

Computer Systems↗
PubMed2005

COREX/BEST server: a web browser-based program that calculates regional stability variations within protein structures.

SUMMARY: Utilizing the user-supplied coordinates of a protein structure, the COREX/BEST Server generates a structural thermodynamic ensemble. This conformational ensemble can then be used to calculate the regional variations in stability of a protein structure, and the stabilities are presented in units of energy (kcal/mol). The regional stabilities, which are calculated at the resolution of individual residues, can be mapped onto the protein structure for visual representation and downloaded from the site in the form of tab delimited text. The site provides an easy to follow summary of the theoretical and algorithmic approaches and provides links to references for more detailed descriptions. AVAILABILITY: The COREX/BEST Server may be accessed through a typical web browser by visiting http://best.utmb.edu/BEST/.

Algorithms↗
PubMed2001

A web implementation: the good and the not-so-good.

E-commerce, e-mail, e-greeting, e-this, and e-that everywhere you turn there is a new "e" word for an internet or Web application. We, at the Cleveland Clinic Foundation, have been "e-nlightened" and will discuss in this report the implementation of a web-based radiology information system (RIS) in our radiology division or "e-radiology" division. The application, IDXRad Version 10.0 from IDX Corp, Burlington, VT, is in use at the Cleveland Clinic Foundation and has both intranet (for use in Radiology) and internet (referring physician viewing) modules. We will concentrate on the features of using a web browser for the application's front-end, including easy prototyping for screen review, easier mock-ups of demonstrations by vendors and developers, and easier training as more people become web-addicted. Project communication can be facilitated with an internal project web page, and use of the web browser can accommodate quicker turnaround of software upgrades as the software code is centrally located. Compared with other technologies, including client/server, there is a smaller roll out cost when using a standard web browser. However, the new technology requires a change and changes are never implemented without challenges. A seasoned technologist using a legacy system can enter data quicker using function keys than using a graphical user interface and pointing and clicking through a series of pop-up windows. Also, effective use of a web browser depends on intuitive design for it to be easily implemented and accepted by the user. Some software packages will not work on both of the popular web browsers and then are tailored to specific release levels. As computer-based patient records become a standard, patient confidentiality must be enforced. The technical design and application security features that support the web-based software package will be discussed. Also web technologies have their own implementation issues.

Computer Communication Networks↗