Should future health-care costs be discounted? The case of diabetes in Australia [Editorial]

No Abstract

Ontological clarity and comprehension in health data models

Conceptual modeling forms an important part of systems analysis. If this is done incorrectly or incompletely, there can be serious implications for the resultant system, specifically in terms of rework and useability. One approach to improving the conceptual modelling process is to evaluate how well the model represents reality. Emergence of the Bunge-Wand-Weber (BWW) ontological model introduced a platform to classify and compare the grammar of conceptual modelling languages. This work applies the BWW theory to a real world example in the health arena. The general practice computing group data model was developed using the Barker Entity Relationship Modelling technique. We describe an experiment, grounded in ontological theory, which evaluates how well the GPCG data model is understood by domain experts. The results show that with the exception of the use of entities to represent events, the raw model is better understood by domain experts

Developing a protocol for the use of telenursing in community health in Australia

As the first step in developing a protocol for the use of video-phones in community health, we carried out a feasibility study among clients with a range of health needs. Clients were equipped with a commercially available video-phone connected using the client's home telephone line. A hands-free speaker-phone and a miniature video-camera (for close-up views) were connected to the video-phone. Ten clients participated: five required wound care, two palliative care, two long-term therapy monitoring and one was a rural client. All but two were aged 75 years or more. Each client had a video-phone for an average of two to three weeks. During the six months of the study, 43 client calls were made, of which 36 (84%) were converted to video-calls. The speaker-phone was used on 24 occasions (56%) and the close-up camera on 23 occasions (53%). Both clients and nurses rated the equipment as satisfactory or better in questionnaires. None of the nurses felt that the equipment was difficult to use, including unpacking it and setting it up; only one client found it difficult. Taking into account the clients' responses, including their free-text comments, a judgement was made as to whether the video-phone had been useful to their nursing care. In seven cases it was felt to be unhelpful and in three cases it was judged helpful. Although the study sample was small, the results suggest that home telenursing is likely to be useful for rural clients in Australia, unsurprisingly, because of the distances involved.

User satisfaction with allied health services delivered to residential facilities via videoconferencing

We have investigated the role of videoconferencing in allied health service provision to high-care clients in rural residential facilities. Videoconferencing equipment was set up at a rural aged-care facility and a metropolitan allied health centre; ISDN transmission at 384 kbit/s was used to link the equipment. Twelve residents were assessed by both videoconference and face to face across five allied health disciplines (a total of 120 assessments). User satisfaction was measured using questionnaires and focus groups. Face-to-face assessment took significantly longer than videoconferencing assessment. However, the mean satisfaction ratings for face-to-face assessments were higher than for videoconferencing and the majority of the staff preferred the face-to-face format. Videoconferencing was particularly useful for consultations and the initial stages of the assessment process. A number of issues relating to the videoconferencing equipment, to the environment in which assessments were performed and to the clients themselves need to be addressed in order for this form of service delivery to be effective.