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At least 433 records · Page 24Linked to original sources
PubMed1993

How far is it to the nearest hospital? Calculating distances using the Statistics Canada Postal Code Conversion File.

This report demonstrates how to calculate distances between points described in terms of latitude and longitude, using the Postal Code Conversion File (PCCF) and other files available from the Geography Division of Statistics Canada. Examples based on hospital data show how the results can be summarized in the form of tables, figures, or maps. Aerial distance to the nearest hospital is a crude but objective indicator of geographic accessibility to hospital services. Distances were calculated between enumeration area centroids for the population and blockface or enumeration area centroids for the hospitals. The median aerial distance to the nearest hospital facility in Canada was less than 3 km, while the mean distance was about 6 km. For teaching hospitals, the median aerial distance was a little less than 30 km, while the mean distance was a little more than 90 km. As most health files for administrative and research purposes contain postal codes, these techniques have potentially wide application.

Abstracting and Indexing↗
PubMed1995

A one way public key cryptosystem for the linkage of nominal files in epidemiological studies.

An encryption method is proposed for nominal files to allow their linkage while respecting confidentiality rules. In contrast to most encryption algorithms, this encryption method must be non-reversible. The method is based on congruence, like the SAN MARCO algorithm, and satisfies the two following conditions. 1) Non-reversible enciphering, which implies the possibility of collisions. 2) The collision rate must be minimized, to allow file linkage. The security of this method is, in addition, guaranteed by a key, which is destroyed after enciphering and is not given to the recipient of the coded file.

Algorithms↗
PubMedDate not supplied

An in-vitro SEM comparative study of debridement ability of K-Files and Canal Master.

The aim of this study was to compare in vitro the debridement ability of Canal Master and K-Files using scanning electron microscope. One hundred and twelve freshly extracted human upper central incisor teeth were divided into two groups of 56 each. One group was instrumented using Canal Master and another group was instrumented using K-Files. The teeth were sectioned longitudinally and examined under the SEM. Scanning electron micrographs were qualitatively and statistically analysed for the degree of cleanliness with regard to the presence of debris, smeared layer and patency of dentinal tubules in the apical third of each root canal. In order to determine whether there is a difference between the two instrumentation techniques, a chi-square test of equal proportions was used. This test gave a chi-square value of 24.19 (P < .001). Both the instrumentation techniques were ineffective in completely debriding the canals. However, the results showed that the Canal Master produced cleaner showing lesser debris than that produced by K-Files.

Chi-Square Distribution↗
PubMed1998

Desktop document delivery using portable document format (PDF) files and the Web.

Desktop access to electronic full-text literature was rated one of the most desirable services in a client survey conducted by the University of Washington Libraries. The University of Washington Health Sciences Libraries (UW HSL) conducted a ten-month pilot test from August 1996 to May 1997 to determine the feasibility of delivering electronic journal articles via the Internet to remote faculty. Articles were scanned into Adobe Acrobat Portable Document Format (PDF) files and delivered to individuals using Multipurpose Internet Mail Extensions (MIME) standard e-mail attachments and the Web. Participants retrieved scanned articles and used the Adobe Acrobat Reader software to view and print files. The pilot test required a special programming effort to automate the client notification and file deletion processes. Test participants were satisfied with the pilot test despite some technical difficulties. Desktop delivery is now offered as a routine delivery method from the UW HSL.

Computer Systems↗
PubMed1978

A filing system for transparencies.

A system has been developed to facilitate filing of 2 inches X 2 inches Kodachrome slides. This is coordinated with a diagnostic and therapeutic index that allows for easy retrieval. Compact metal filing cabinets are used, eliminating the need for subsequent rearrangement of slides. The system also provides a method for recall of patients. Preoperative photographs are maintained in plastic folders and checked periodically until the postoperative photographs have been taken.

Filing↗
PubMed1975

The ophthalmologist's office: planning and practice. Patient records and filing systems.

Suggestions and examples of the components of patient charts have been offered for the most efficient office system and for the greatest protection of the ophthalmologist against malpractice charges. Emphasis has been placed on the alphabetical system of filing, the need for well-designed filing cabinets, and measures to reduce the incidence of misplacing and losing patient charts.

Filing↗
PubMed1975

A patient and family number assignment and chart filing system for family physicians.

The Department of Family Medicine and Practice at the University of Wisconsin-Madison has devised and implemented an alpha-numeric system of identifying patient records together with a system of chart filing based on a variation of terminal digit filing. The system provides each patient with a unique identification number. This permanently assigned number is used as part of the medical record (chart) information, as the basis for assigning an account number, as the basis for determining the storage location of the chart in the record room, and as the basis for a family identification number. The number defines the patient's sex and position within the family, and its permanency ensures a capability for conducting both short- and long-term ambulatory care research in the family context.

Color↗
PubMed1987

Students evaluate MEDFILE, a preprinted medical literature filing system.

Medical professionals are highly dependent on personal libraries and reprint files as their sources for current information. A large population of practising doctors have poorly organized medical literature data bases in their professional environment. To expedite the development of a personal library data base by medical students, we created MEDFILE, a preprinted, cross-indexed file folder system for organizing the medical literature. This paper reports the results of two surveys performed in connection with the distribution of the MEDFILE system. One hundred per cent of the students who used MEDFILE found the system to be beneficial. Ninety-seven per cent felt their ability to find their personal literature improved by using MEDFILE, and 65% felt MEDFILE improved their clinical preparation. Of all surveyed recipients of the system, 96.8% felt MEDFILE would be useful in their future studies.

Attitude of Health Personnel↗
PubMed1983

Microcomputers in surgery: a data file and analysis program.

A microcomputer based patient data file and analysis system is both feasible and useful. One such system is described in this paper. The advantages and disadvantages of the system are discussed. It may be used in many patient-related specialties and will enable practitioners not only to file their data but more importantly to analyse it so that they can improve their performance and cost-effectiveness. It is the author's belief that few realize the potential of the microcomputer in clinical practice and many are put off computing and computerized recording and data analysis because of the size and the difficulties that most experience with larger minicomputer-based facilities.

Colonoscopy↗
PubMed1975

Indexing and filing of pathological illustrations.

An inexpensive feature card retrieval system has been combined with the Systematised Nomenclature of Pathology (SNOP) to provide simple but efficient means of indexing and filing 2 in. x 2 in. transparencies within a department of pathology. Using this system 2400 transparencies and the associated index cards can be conveniently stored in one drawer of a standard filing cabinet.

Abstracting and Indexing↗
PubMed1990

Teaching reprint file management: a hands-on approach.

The development of user-friendly search systems has enabled physicians to perform their own MEDLINE searches These physicians are recognizing a need to learn how to organize their growing reprint collections. Librarians at the University of Michigan, Alfred Taubman Medical Library have developed a unique course that presents a variety of techniques to meet the needs of a wide audience. For some users, such as students or house officers who have limited funds or lack support devices, a variety of manual methods are presented. Advantages and disadvantages of using manual versus computerized systems are discussed. Following the illustration of the manual methods, users are introduced to a simple computerized method using a utility type database management package, PC-FILE. Hands-on training under the direction of librarians allows students to develop and use a practice database while having experts available to answer questions. Users are encouraged to take a copy of PC-FILE (shareware) with them to experiment with before committing themselves to a more expensive database management software package. Before the class ends, those interested in a more sophisticated package with specialized report formats and downloading/uploading capabilities are given a brief demonstration of PRO-CITE. Evaluations have shown that there is interest in all three methods.

Computer User Training↗
PubMed1991

Local image filing system in neurosurgery: validity of selective storage of radiographic images.

In an effort to achieve efficient image management in the practice of neurosurgery, a clinical data base system was designed and developed to process, store and retrieve neuroradiologic image information on hospitalized patients with the use of a local image filing system (EFPACS-500, Fuji Electric Co., Ltd). Storage and retrieval of radiographic images were studied to quantify existing procedures and to evaluate the validity of new technology. One of our hospitals (Southern Tohoku Research Institute for Neuroscience) has annually produced approximately 100,000 sheets of film radiographs, resulting in a great deal of serious problems, particularly lack of space for storage. In addition, the overall averaged ratio of selected key films to total files of radiographs was estimated to be 16.3% for hospitalized patients during the past 5 years. It is assumed that, by means of digital storage on this selective basis, radiographic storage problems can be solved with the use of the current data base system which efficiently handles image information involving patient care. In the practical view another substantial improvement in this work is the high functionality of the system, with which radiographic images coupled with a variety of clinical data on patients can be stored in a descriptive fashion.

Database Management Systems↗
PubMed1990

Personal computers, medical slide files, and retrieval. An organized approach.

This discussion provides an organized, rational approach to filing, storage, and retrieval of a large medical photographic slide collection. Advantages of this approach include: minimal slide storage space, simple filing, rapid retrieval based on descriptive "key words" utilizing database software, inexpensive and readily available technology for users of personal computers, and reliable tracking of slides.

Audiovisual Aids↗
PubMed1989

[Software for record reporting and filing with the personal computer].

During the past four years the authors have been gaining experience in reporting radiological examinations by personal computer. Today they describe the project of a new software which allows the reporting and filing of roentgenograms. This program was realized by a radiologist, using a well known data base management system: dBASE III. The program was shaped to fit the radiologist's needs: it helps to report, and allows to file, radiological data, with the diagnostic codes used by the American College of Radiology. In this paper the authors describe the data base structure and indicate the software functions which make its use possible. Thus, this paper is not aimed at advertising a new reporting program, but at demonstrating how the radiologist can himself manage some aspects of his work with the help of a personal computer.

Database Management Systems↗
PubMed1985

[Use of files for forms no. 063y in planning preventive immunization].

The use of color-coded files, form No. 063y (prophylatic immunization records), with special cards, having a double row of perforations at the top, and with colored riders for the indication of months in planning and coverage with immunization considerably facilitates work in planning prophylactic immunization. The files can be rather easily analyzed for the coverage of the population groups with immunization without reading each card. As the plan of immunization for the current year is realized, the riders are used for planning the immunizations for the following years. Thus, at the end of the current year the plan for the next year, indicating the monthly schedule, and the kinds of immunization, is ready.

Child↗
PubMed1985

Starting a reprint filing system.

A reprint collection represents an investment of time, money, and resources. As with any data base you gather, however, the problem is storing the information for retrieval. This article describes how to design and implement a filing system to make retrieval of reprints both quick and easy. Although reprints are the data base described in this article, the applicability of this filing system to other information can be seen readily.

Abstracting and Indexing↗
PubMed1983

[Cancer of the lung: software construction for data filing and processing].

Within the framework of "Neoplastic growth control", a N.R.C. Project developed in Italy on a national scale, the authors report their initial experience in the use of a microcomputer to file and process a number of data regarding all the patients with lung cancer treated by medical or surgical therapy since 1978. The hardware consists of a TRS 80 microcomputer with a RAM memory of 48 Kbyte, while the software is designed to file and process the data of about 2000 patients. Each patient is identified by 122 parameters. 80 cases have been stored up to now. Allowing a more efficient data analysis, this highly versatile programme will facilitate the management of the hospitalized patients and the backward and prospective evaluation of the different cases. In fact, the accurate and prompt availability of all the necessary information is a major step towards the selection of the best treatment for each patient.

Adult↗