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Hill ML, Cronkite RC, Ota DT, Yao EC, Kiratli BJ. Validation of home telehealth for pressure ulcer assessment: a study in patients with spinal cord injury. Journal of telemedicine and telecare. 2009 Jan 1; 15(4):196-202.
Dimensions for VA is a web-based tool available to VA staff that enables detailed searches of published research and research projects. The reliability and validity of assessments and diagnoses made via home telehealth was measured in 42 patients with spinal cord injury. Two telehealth modalities were investigated: telephone-only contact and videoconferencing. The results were compared with a reference (gold-standard) method, the in-person assessment and diagnosis of skin integrity and pressure ulcers. The agreement on the presence of a pressure ulcer was excellent for both telephone and videoconferencing approaches (92% for telephone, 97% for videoconferencing). The diagnoses of the stage of pressure ulcer (on an ordinal scale of 0-4) made via telephone and videoconferencing showed substantial to almost perfect agreement with the in-person diagnoses (Spearman''s rho of 0.76 and 0.83, respectively). There was a tendency for the measurements of wound volume to be somewhat larger in the telephone and videoconferencing modalities compared to those made in-person. Bland-Altman plots showed that videoconferencing gave substantially narrower 95% limits of agreement. The findings of the study indicate that telephone contact can be a useful tool for identifying the presence of a pressure ulcer, but videoconferencing is required to obtain an evaluation reasonably close to that of a home visit.
