A smartphone‐based teleconsultation system for the management of chronic pressure injuries

Abstract

We investigated the accuracy of pressure injury evaluation using tele‐devices and examined the concordance between automatically generated recommendations and primary manual recommendations. Caregivers took photos and videos of pressure injuries using smartphones with built‐in cameras and uploaded the media to the application. The wound team evaluated the wound using a specially modified version of the Pressure Sore Status Tool. This was compared with the Pressure Sore Status Tool score assessed during the actual examination of the patient. We developed an automatic algorithm for dressing based on the Pressure Sore Status Tool score, checking for consistency between this and the primary manual recommendation. A total of 60 patients diagnosed with pressure injuries were included. The κ coefficients indicated substantial agreement for wound size and total score, and excellent for all other items. We found that the overall concordance rates were statistically significant for all items (p < 0.001). For the primary dressing, the κ coefficient for the concordance rate of automatic algorithm and manual recommendation was 0.771, while that of teleconsultation system and manual recommendation was 0.971. For the secondary dressing, the figures were 0.798 and 0.989, respectively. All values were statistically significant (p < 0.001). We presented strong evidence documenting the utilization of a smartphone, patient‐driven system, and demonstrated that the measurements obtained were comparable to the ones obtained by a trained, on‐site, wound team. Furthermore, we confirmed agreement between automatically generated recommendations and primary manual recommendations.

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