We compared the accuracy of teleconsultations for minor injuries with face-to-face consultations. Two hundred patients were studied. Colour change, swelling, decreased movement, tenderness, instability, radiological examination, severity of illness, treatment and diagnosis were recorded for both telemedicine and face-to-face consultations. Colour change showed an accuracy of 97%, presence of swelling or deformity of 98%, diminution of joint movement of 95%, presence of tenderness of 97%, weight bearing and gait of 99%, and radiological diagnosis of 98%. The severity of illness or injury was overestimated in one case and underestimated in five cases. Treatment was over-prescribed in one case and under-prescribed in three cases. The final diagnosis was correct in all but the two cases in which mistakes were made in the teleradiology. Overall, there was good accuracy using teleconsultations.
We studied all patients attending a free-standing minor accident and treatment service (MATS) run by emergency nurse practitioners (ENPs). In a six-month period, 5563 patients were seen in the MATS, of whom 2843 (51%) were new attenders. A teleconsultation was carried out with 150 of these patients (2.7% of all cases). The most common reason (39%) was to discuss a radiograph with an accident and emergency consultant. The accuracy of the telemedicine-assisted radiographic diagnosis was checked subsequently by a review panel. The ENPs' working diagnoses (made by viewing the films) had a sensitivity of 90% and a specificity of 96%; this was improved by telemedicine assistance to 97% and 99%, respectively. The telemedicine patients were also surveyed several months after being seen in the MATS; their replies indicated that the telemedicine diagnoses had been correct.
We have developed a protocol for telemedical consultations. This has been used by emergency nurse practitioners to consult doctors in a main hospital accident and emergency department, using videoconferencing at 384 kbit/s. A telemedical consultation should simulate a face-to-face one. The protocol starts with an explanation for the patient of what will happen, followed by the necessary introductions. After relaying the history, the generalist should show the abnormal part to the specialist. Attention should be paid to colour. Depth perception is often enhanced by rotating the camera through 180 degrees. The diagnosis and management, together with their implications, should be discussed with the patient by the specialist. Referral and follow-up should also be discussed. Proper clinical record-keeping is essential. In the first 15 months of using the protocol, we completed more than 300 teleconsultations. An analysis of the first 50 teleconsultations showed that about half were for discussing a radiograph and about half were for examining a patient.
The resuscitation room in a community hospital was linked with a main hospital accident and emergency department using telemedicine equipment working at 384 kbit/s. Fifteen simulated casualties replicated the 'moulage' scenarios in the Advanced Trauma Life Support Course Manual of the American College of Surgeons. Each of the 15 scenarios was broken down into three main parts: the primary survey, resuscitation and the secondary survey. While a physician in the community hospital undertook each task, a senior doctor in the accident and emergency department recorded his degree of confidence in the supervision of the task on a five-point scale. There were features of the management which the supervisor found difficult, mainly related to the camera view and the use of a proxy examiner. However, supervising major trauma management by telemedicine was feasible. The average scores were mostly above 3 and often above 4 in the assessment of the primary survey and the resuscitation. The average scores were mostly above 3 for the secondary survey but were less often above 4 than for the primary survey and the resuscitation. Trials of remote trauma management with real patients appear to be justified.
We obtained follow-up information about the new patients seen at a minor accident and treatment service (MATS) staffed by emergency nurse practitioners (ENPs). A previous study, of 150 teleconsultations in a six-month period starting in April 1996, was used for comparison. In the present series, 150 teleconsultations occurring in a four-month period starting in April 1999 were studied; the patients constituted 5.6% of the 2658 new attenders or 3.8% of the 3936 total attenders. In comparison with the study three years before, falling teleconsultation rates were partly offset by increasing numbers of attenders and an extension of the ENPs' roles and skills. Teleconsultation rates rose when the number of consultant-run clinics was curtailed and ENP-run clinics replaced some of them. Eligibility to request and report more radiographs reduced the need for teleconsultations, and subsequently teleconsultations for help with interpretation of radiographs fell as the ENPs became more experienced. Specialty residents trusted ENP judgement and accepted telephoned direct admission of cases to their wards. Fewer teleconsultations were required for soft-tissue injuries. Telemedicine is an excellent educational tool.
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