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The increasing population of elderly people is mainly living in a home-dwelling environment and needs applications to support their independency and safety. Falls are one of the major health risks that affect the quality of life among older adults. Body attached accelerometers have been used to detect falls. The placement of the accelerometric sensor as well as the fall detection algorithms are still under investigation. The aim of the present pilot study was to determine acceleration thresholds for fall detection, using triaxial accelerometric measurements at the waist, wrist, and head. Intentional falls (forward, backward, and lateral) and activities of daily living (ADL) were performed by two voluntary subjects. The results showed that measurements from the waist and head have potential to distinguish between falls and ADL. Especially, when the simple threshold-based detection was combined with posture detection after the fall, the sensitivity and specificity of fall detection were up to 100 %. On the contrary, the wrist did not appear to be an optimal site for fall detection.

We investigated the use of videoconferencing in the examination of orthopaedic outpatients. A consecutive sample of orthopaedic outpatients was randomized to examination either via videoconferencing (n = 76) while attending a primary-care unit or at a conventional hospital outpatient clinic 160 km away (n = 69). Videoconferencing was found to be feasible and the equipment functioned well technically. There were somewhat more problems in examining the telemedicine patients than the clinic patients. The two patient groups were equally satisfied with the specialist service. The telemedicine patients were more willing to have their next visit by videoconferencing than the conventional patients. Videoconferencing between primary and secondary care can be used in the examination of orthopaedic patients whenever no demanding imaging technology is needed.

A systematic review of child and adolescent telepsychiatry was conducted. It was based on a search of the electronic databases MEDLINE and PsycINFO covering the period 1966 to June 2003. Studies were selected for review if they concerned videoconferencing for patient care or consultation, evaluated a clinical service or education, or assessed satisfaction with videoconferences. Twenty-seven articles were identified that fulfilled the selection criteria. These comprised two reports of randomized controlled experiments, 10 of descriptive questionnaire studies or observational surveys, seven case studies and eight other reports. Only three of the studies presented some calculations of cost-effectiveness. When classified by 'Quality of Evidence' criteria, only two studies were in category I (the highest), one was in II-2 and the rest fell into category III (the lowest). Most studies of child and adolescent telepsychiatry examined satisfaction with videoconferencing or described programmes or care regimens. Videoconferencing seemed to improve the accessibility of services and served an educational function. Some papers also mentioned savings in time, costs and travel. Problems with non-verbal communication and the audiovisual quality of the videoconference were mentioned as drawbacks. Telepsychiatry therefore seems to offer several benefits, at least in sparsely populated regions. Well designed and properly controlled trials are required to evaluate the clinical value of this promising method in child psychiatry, where there is a constantly increasing need for services.

We compared the costs of conventional outpatient visits to the surgical department of the University Hospital of Oulu with those of videoconferencing between the primary care centre in Pyhäjärvi and the University Hospital (separated by 160 km). The cost data were obtained from a randomized controlled trial that included 145 first-admission and follow-up orthopaedic patients. In the telemedicine group the annual fixed costs were 6074 in the hospital and 3910 in the primary care centre. The additional variable costs were 2 in the hospital and 19 in primary care. At a workload of 100 patients, the total cost, including travel and indirect costs, was 87.8 per patient in the telemedicine group and 114.0 per patient in the conventional group (i.e. a total cost saving from the use of teleconsultation of 2620). A cost-minimization analysis showed that telemedicine was less costly for society than conventional care at a workload of more than 80 patients per year. If the distance to specialist care were reduced from 160 km to 80 km, the break-even point increased to about 200 patients per year. Wider utilization of the videoconferencing equipment for other purposes, or the use of less expensive videoconferencing equipment, would make services cost saving even at relatively short distances. The study showed that orthopaedic outpatient telecare can be cost minimizing.

We studied whether consultations via videoconferencing and traditional outpatient clinic visits differ in terms of the implementation of the patient management plan during a one-year follow-up. First-admission and follow-up orthopaedic patients were randomly allocated to an outpatient visit at the surgical department of Oulu University Hospital or to videoconferencing at a health centre in Pyhäjärvi. In a prospective one-year study, there were 145 consecutive orthopaedic patients who met the inclusion criteria: 84 referred for their first visit to a specialist and 61 of them for follow-up. There were 66 males (46%) in the study population. Over half the patients had some form of regenerative arthritis: 15% had hip arthritis, 33% knee arthritis and 4% other arthritis. There were no differences in the implementation of the management plan between the two groups. The study showed that videoconferencing is a valid alternative to outpatient clinic visits for orthopaedic specialist consultations.

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