Search PubMed⌕ Search

Biomedical subjects

O Rienhoff

Publications and source records attributed to O Rienhoff.

At least 19 recordsLinked to original sources
PubMed2005

Three-dimensional reconstruction and volumetry of intracranial haemorrhage and its mass effect.

Intracerebral haemorrhage still causes considerable disability and mortality. The studies on conservative and operative management are inconclusive, probably due to inexact volumetry of the haemorrhage. We investigated whether three-dimensional (3-D), voxel-based volumetry of the haemorrhage and its mass effect is feasible with routine computed tomography (CT) scans. The volumes of the haemorrhage, ventricles, midline shift, the intracranial volume and ventricular compression in CT scans of 12 patients with basal ganglia haemorrhage were determined with the 3-D slicer software. Indices of haemorrhage and intracranial or ventricular volume were calculated and correlated with the clinical data. The intended measures could be determined with an acceptable intra-individual variability. The 3-D volumetric data tended to correlate better with the clinical course than the conventionally assessed distance of midline shift and volume of haemorrhage. 3-D volumetry of intracranial haemorrhage and its mass effect is feasible with routine CT examination. Prospective studies should assess its value for clinical studies on intracranial space-occupying diseases.

Adult↗
PubMed2005

[European perspectives of health telematics].

The European perspectives of the present German developments in the field of health telematics are discussed critically. It is pointed out that technical projects have been financed with considerable means in the EU, however with out having any lasting effect on the value of health telematics in the health systems of Europe. A decisive cause is that the "health" topic was not codified in the Roman contracts. The international, global market is a crucial factor for international development and thus also for the orientation of the German projects and their economical and political success. The USA plays a dominant role on the global market. Caused by different reasons a corresponding market potential in the EU cannot be expected in the foreseeable future. With regard to the new options provided by telematics, it is therefore recommended that the national health services be reorganized, thus increasing quality and efficiency. With regard to progressively individualized medical care, the subject of "health" should afterwards be included in the European contracts. In the long run, an adjustment of the systems and uniform use of telematics could be achieved. Till then the coordination between the national governments in the area of health politics is seen as the most effective means for European integration.

Computer Communication Networks↗
PubMed2001

[Smart cards in health services].

Since the early 1980-ties it has been tried to utilise smart cards in health care. All industrialised countries participated in those efforts. The most sustainable analyses took place in Europe--specifically in the United Kingdom, France, and Germany. The first systems installed (the service access cards in F and G, the Health Professional Card in F) are already conceptionally outdated today. The senior understanding of the great importance of smart cards for security of electronic communication in health care does contrast to a hesitating behaviour of the key players in health care and health politics in Germany. There are clear hints that this may relate to the low informatics knowledge of current senior management.

Computer Communication Networks↗
PubMed2000

Retooling practitioners in the information age.

For "retooling" one needs two components: new hardware and new skills. "Hardware" in the Medical Informatics environment includes not only hardware in a narrow definition, but operating and application software, network services, security services etc. Since the sixties, Medical Informatics has slowly moved from fighting computer hardware to fighting the complexity of application software and its installation. Thus the hardware part in the retooling process has changed but did not decrease in importance. Retooling medical professionals also means retraining of professionals--often a major investment. Regarding the necessary skills, we have to adapt existing medical curricula and continuous medical education (CME). So far, these have not successfully been adjusted to the retooling needs. The international community has to address these matters, specifically in the context of medical curriculum and CME.

Aged↗
PubMed2000

Recommendations on the design of hospital Intranets.

Intranets are being widely introduced in hospitals like in many other organisations. Although their development is just like setting up any other information system in a hospital, there is a tendency to neglect well established principles of software engineering and information system design in that area. Starting from a functional definition of an intranet, we illustrate its potential importance for a hospital from different aspects. A systematic framework for an iterative design and maintenance process is suggested. Some important design principles are depicted.

Computer Communication Networks↗
PubMed1999

The need for evaluation when managing the IMIA.ORG web-site.

The International Medical Informatics Association (IMIA) has built up a web-site to support international scientific exchange and facilitate organizational tasks. Regular monitoring is required to get information on whether the site is actually used and by whom. Main aspects of the evaluation are function, structure and contents. As main evaluation methods the logfile analysis and user questionnaires are used. The number of visits to IMIA's web-site has constantly increased in the last year. In January 1998 the site had 418 visits, in December 1998 there were 6002 visits. The user questionnaire showed that the web-site offers an adequate platform for the members. It is concluded that the members as the main target group are reached by the service and in addition that the growing number of non-members require further development of the public part of the site.

Evaluation Studies as Topic↗
PubMed1998

A global Intranet for an international scientific society.

The International Medical Informatics Association (IMIA) has built up a world-wide infrastructure which is using the Internet as a backbone for a global Intranet. The work has been supported by cost analysis and user acceptance monitoring. As one of the first international scientific societies, IMIA is offering professional electronic communication services to its members. This step has been taken to advance international cooperation and to support the dissemination and exchange of information on the Health Informatics Sector. The current ways of communication and Information Exchange do not meet the requirements of the Information Society because they are too slow and too expensive. The implementation of an Intranet based on the Internet provides a communication channel which is easily accessible for all IMIA members and which will allow efficient information exchange and built up links between IMIA related projects and organizations.

Communication↗
PubMed1998

Design of a virtual reality laboratory for interdisciplinary medical application.

The Department of Medical Informatics of the University of Goettingen sets up a medical interdisciplinary Virtual Reality (VR) laboratory. The interdisciplinary approach for the design of the laboratory is based on a systematic, technical and application-orientated analysis. Its result led to the decision for a CAVE-like multi wall stereo projection (MWSP) system with networked workstation hardware. Within the boundary of an exemplary evaluation of the laboratory, its technical specifications and the validity in neuropsychological tests are supposed to be improved. Both techniques, Head Mounted Display (HMD) as well as multi wall stereo projection (MWSP) systems have a high degree of immersion. MWSP systems have a lower ratio of simulator sickness and a good visual fidelity. They can also be used as a multi-user environment. Networked workstations and high-end-computers are compared in view of their costs and possible expansibility.

Computer Simulation↗
PubMed1998

[Checklist for methodological quality of guidelines. A contribution to quality promotion of medical guidelines].

The society of physicians of Germany and the society of panel physicians laid down in the "assessment criteria for guidelines in medical care" what kind of demands the medical selfadministration makes on guidelines. This measure also had the goal to support and strengthen the efforts of the AWMF for guidelines of high value. On the basis of these assessment criteria, a tool was compiled for the systematic registration and documentation of quality criteria for good guidelines for the first time in areas of German language. This check list is guided by the structure and content of the "Criteria for Appraisal for National Guidelines" by the Scottish Intercollegiate Guidelines Network.

Germany↗
PubMed1994

Digital archives and communication highways in health care require a second look at the legal framework of the seventies.

The present state of the art and the state of practice regarding legal aspects of medical informatics are reported. Examples are taken from networking, archiving, and virtual reality. It is derived that the data protection concepts of the seventies are covering only some legal aspects of the application scene today and in the future. Thus a far wider legal approach is necessary. It can only be mastered if engineers and lawyers discuss future trends and derive together a new legal framework for medical computer systems in the late nineties. As computers will be everywhere from childhood to death the key issue is not to just protect an individual but to positively frame an information society.

Computer Communication Networks↗
PubMed1993

Virtual reality in medicine.

Virtual reality (VR), as part of computer science, allows computer-based models of the real world to be generated, and provides humans with a means to interact with these models through new human-computer interfaces and, thus, to nearly realistically experience these models. This contribution explores the technical requirements for VR, describes technological advances and deficits, and analyzes the framework for future technological research and development. Although some non-medical applications are discussed, this contribution focuses primarily on medical applications of VR and outlines future prospects of medical VR applications. Finally, possible hazards arising from the use of VR are discussed. The authors recommend an interdisciplinary approach to technology assessment of VR.

Computer Graphics↗
PubMed1989

Health informatics education in the Third World.

The state of the art is summarized showing many efforts but only few results which can serve as demonstration examples for developing countries. Education in health informatics in developing countries is still mainly dealing with the type of health informatics known from the industrialized world. Educational tools or curricula geared to the matter of development are rarely to be found. Some WHO activities suggest that it is time for a collaboration network to derive tools and curricula within the next decade.

Curriculum↗
PubMed1988

Integrated Academic Information Management Systems (IAIMS). Part III. Implementation of integrated information services. Medical informatics education.

Medical informatics is still in its early stages of evolution and definition. If informatics is to obtain the status of a specialized field of study within the health science curriculum, its ambiguity must be eliminated. This article discusses the term "medical informatics" and the impact of the new field of study on curriculum, education, and training of health care professionals, and health care information systems research and development.

Academic Medical Centers↗
PubMed1981

[The diameters of the cervical spinal cord shown by amipaque-myelography (author's transl)].

The sagittal and cross diameters of the cervical spinal cord were measured in 53 patients with cervical nerve root compression and with no evidence of spinal cord involvement, as well as in 45 patients with spastic tetraparesis and no localised space occupying lesion, and 29 patients with myelographically proven cervical myelography. The true diameters were calculated by the known magnification factor (1:1,4). Patients with spastic tetraparesis showed diameters in normal ranges, as well as widened or diminished sizes of the cord. Some of the patients with cervical myelopathy showed diminished diameters in the caudal parts. This may be a hint for a poor outcome after decompression operation.

Adolescent↗
PubMed1980

Medical informatics: developments in West Germany and South Africa.

Comparisons are made between medical information systems in West Germany and South Africa. In both countries the costs and importance of medical information systems dictate that a methodological approach is essential in order to obtain a solution for a particular environment. The special implications for South Africa are (i) to work from user requirements to computer system, rather than the reverse; (ii) to institute training programmes for the professionals required to organize and staff such systems; and (iii) to prepare the groundwork for medical information systems by scrutinizing the existing types, amounts, flows and uses of medical information.

Computers↗