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At least 163 records · Page 9Linked to original sources
PubMed2002

The GRID: The General Repository for Interaction Datasets.

We have developed a relational database, called the General Repository for Interaction Datasets (The GRID; http://biodata.mshri.on.ca/grid) to archive and display physical, genetic and functional interactions. The GRID displays data-rich interaction tables for any protein of interest, combines literature-derived and high throughput interaction datasets, and is readily accessible via the World Wide Web. Interactions parsed in the GRID can be viewed in graphical form with a versatile visualization tool called Osprey.

Databases, Genetic↗
PubMed2002

Leveraging intelligent agents for knowledge discovery from heterogeneous healthcare data repositories.

This paper presents a case for an intelligent agent based framework for knowledge discovery in a distributed healthcare environment comprising multiple heterogeneous healthcare data repositories. Data-mediated knowledge discovery, especially from multiple heterogeneous data resources, is a tedious process and imposes significant operational constraints on end-users. We demonstrate that autonomous, reactive and proactive intelligent agents provide an opportunity to generate end-user oriented, packaged, value-added decision-support/strategic planning services for healthcare professionals, manages and policy makers, without the need for a priori technical knowledge. Since effective healthcare is grounded in good communication, experience sharing, continuous learning and proactive actions, we use intelligent agents to implement an Agent based Data Mining Infostructure that provides a suite of healthcare-oriented decision-support/strategic planning services.

Efficiency, Organizational↗
PubMed2005

Ontology-based knowledge repository support for healthgrids.

Healthgrids unite a large amount of independent and distributed organisations to provide for various healthcare services. Often the involved organisations can belong to different areas of healthcare and even different countries. However to achieve efficient operation they have to act in a well coordinated manner. As a result, an efficient knowledge sharing between multiple participating parties of the healthgrid is required. The paper describes application of an earlier developed ontology-driven KSNet (Knowledge Source Network) - approach to knowledge repository support for healthgrids. This approach is based on representation of knowledge via ontologies using formalism of object-oriented constraint networks. Such representation makes it possible to define and solve various tasks from the areas of management, planning, configuration, etc., by using constraint solving engines such as, for instance, ILOG or CLP. The major discussed aspects cover the formalism of knowledge representation via ontologies and implementation of the approach as a decision support system for a case study from the area of health service logistics.

Artificial Intelligence↗
PubMed2005

Technological and administrative factors implementing a virtual human biospecimen repository.

The value of human biospecimens available for research dramatically increases when linked with their accumulated clinical and molecular (genomic, proteomic, subcellular modeling) data. Further, informatics tools make it possible for researchers (both intra- and inter-institutionally) to locate tissue needed for research faster and more reliably. We are developing a virtual human biospecimen repository to both inventory and link all human biospecimens with clinical and genomics data to optimize their value for research, while satisfying all privacy and human subjects protections regulations.

Biological Specimen Banks↗
PubMed2005

A collaborative document repository for home care teams.

Home care workers are mobile, work out of different locations, and have a high level of uncertainty in their schedules. This makes communication and information sharing difficult, and workers are often unable to account for others' activities when planning their own treatments. To address this issue, we developed and evaluated a clinical information system for home care that supports current paperwork practices and stores documents in a central repository that is accessible by all workers that treat a patient.

Cooperative Behavior↗
PubMed1976

Biohazard potential: recovery of infectious virus from the liquid nitrogen of a virus repository.

Flame-sealed glass ampules containing vesicular stomatitis (VSV) were submerged in a liquid nitrogen (LN2) refrigerator for storage. Onseveral occasions cracked or shattered ampules were discovered upon removal from the refrigerator. Subsequently, VSV was recovered from the LN2 of the virus repository indicating a source of potential danger to those employing glass ampules submerged in LN2 for preservation of pathogenic organisms.

Laboratories↗
PubMed1984

Long-acting, repository antimalarial agents. Duration of protection in mice and monkeys following administration of pyrimethamine pamoate.

The duration of protection from blood-stage malarial challenge following single injections of pyrimethamine pamoate was assessed in mice and monkeys. This duration was dose-related and ranged from several weeks in mice to over 4 months in the monkeys. Comparisons with the previously reported repository drugs, cycloguanil pamoate and acedapsone (diacetyldiaminodiphenyl sulfone), in mice demonstrated that pyrimethamine pamoate provides an equal or greater duration of protection. Studies with mixtures containing acedapsone gave good protection against a pyrimethamine-resistant strain of Plasmodium berghei.

Acedapsone↗
PubMed1993

Repository dexamethasone in the treatment of acute bronchial asthma.

Fifty-two patients with acute asthma requiring immediate therapy but not hospitalization were studied in an emergency department following conventional therapy with bronchodilators. After discharge, the patients were treated with a controlled regimen of long-acting theophylline and beta-agonist inhalation as necessary. They were randomly assigned to one of three groups using a double blind model. Group A received intramuscular and oral placebos. Group B received intramuscular dexamethasone injection along with oral placebo treatment. Group C received oral dexamethasone by a tapering schedule associated with placebo intramuscular injection. Follow-up was carried out 7 days after the treatment in the emergency room. There were no significant statistical differences in the relapse rate among the three groups. Those patients who received oral or intramuscular dexamethasone had a decrease in the need for beta-agonist inhalation and fewer respiratory symptoms. However, there was no significant statistical difference between groups B and C. It was concluded that repository steroids could reduce the respiratory symptoms and frequency of beta-agonist usage as effectively as oral steroid treatment. However, the steroids do not improve the relapse rate in patients with only mild symptoms.

Acute Disease↗
PubMed1977

[Single treatment with repository steroid in non-articular sport injuries].

A single treatment with repository steroid (methylprednisolone acetate) was given to 300 sportsmen with minor non-articular soft-tissue injuries. The response to treatment was determined after 5 days. Fitness to participate in sport was used as a guide. The results were excellent in 133 (44%) patients, good in 103 (34%) and poor in 64 (21%). Owing to the generally satisfactory response and the few minor side-effects, there appears to be justification for this type of treatment in properly selected cases.

Adolescent↗
PubMed1997

Capturing clinical reports in a large academic medical center: feeding a central patient data repository.

Clinical reports, notes, and other narratives are highly used components in the patient record. Unfortunately, the methods by which these reports are generated are as diverse as the fiscal autonomy of academic clinical departments in a university-based health science center. In this paper, we report on electronically capturing clinical reports, notes, and other text fragments from several hospital sources and many outpatient clinics. The purpose of the capture is to feed the ACIS (Advanced Clinical Information System) central patient data repository that is in use at the University of Utah Health Sciences Center (UUHSC). A survey conducted in early 1994 indicated that about 917,150 reports were generated per year at UUHSC representing about 1.2 million pieces of paper, occupying about 2.3 gigabytes of storage. The most crucial problem encountered in capturing the reports was linking them to the proper patient. Systems that had functioning and well-maintained admit-discharge-transfer (ADT) information performed well, but systems that relied on the human dictator to identify patients, produced patient linkage errors. In our open loop telephone dictation systems this error rate averaged between 6 and 10%. Subsequent to the wide-spread availability of clinical reports on ACIS, this error rate dropped to 3-5%, presumably due to increased demand for on-line availability of this information. From clinical secretaries who use their word processor to create the clinical reports, the linkage error rate was < 1% due to the use of our Advanced Text Upload (ATU) utility. The clinical text component in ACIS contributed significantly to the success of a JCAHO site visit in December 1995.

Academic Medical Centers↗
PubMed1997

Development of an enterprise-wide clinical data repository: merging multiple legacy databases.

We describe the development of a clinical data repository whose core consists of four years of inpatient administrative and billing data from the mainframe legacy systems of the University of Virginia Health System (UVAHS). To these data we have linked a cardiac surgery clinical database and our physician billing data (inpatient and outpatient). Other databases will be merged in the future. A relational database management system (Sybase) running on a dedicated IBM RS/6000 minicomputer was employed to assemble 2.5 Gigabytes of core data describing approximately 100,000 hospital admissions over the four year period. To enable convenient data queries, the system has been equipped with a custom-built WWW user interface, which generates Structured Query Language (SQL) automatically. We illustrate the rapid reporting capabilities of the resulting system with reference to patients undergoing coronary artery bypass graft surgery (CABG). We conclude that this information system: a) constitutes a convenient and low-cost method to increase data availability across the UVAHS; b) provides clinicians with a tool for surveillance of patient care and outcomes; c) forms the core of a comprehensive database from which clinical research may proceed; d) provides a flexible interface empowering a wide variety of clinical departments to share and enrich their own clinical data.

Computer Communication Networks↗
PubMed1997

A clinical data repository enhances hospital infection control.

We describe the benefits of a relational database of hospital clinical data (Clinical Data Repository; CDR) for an infection control program. The CDR consists of > 40 Sybase tables, and is directly accessible for ad hoc queries by members of the infection control unit who have been granted privileges for access by the Information Systems Department. The data elements and functional requirements most useful for surveillance of nosocomial infections, antibiotic use, and resistant organisms are characterized. Specific applications of the CDR are presented, including the use of automated definitions of nosocomial infection, graphical monitoring of resistant organisms with quality control limits, and prospective detection of inappropriate antibiotic use. Hospital surveillance and quality improvement activities are significantly benefited by the availability of a querable set of tables containing diverse clinical data.

Bacteremia↗