SP3.8 Evaluation of remote surgical wound assessment in routine surgical practice: a mixed-methods pilot implementational study of a novel mobile digital intervention

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Abstract Introduction Remote postoperative wound surveillance provides an opportunity to strengthen postoperative community care and minimise the burden of surgical-site infection (SSI). This study aimed to pilot remote digital postoperative wound surveillance and evaluate the readiness for implementation in routine practice. Methods A single-arm implementation study of remote postoperative wound surveillance in two tertiary care hospitals (clinicaltrials.gov: NCT05069103). Adults undergoing abdominal surgery received smartphone-delivered wound assessment for 30-days postoperatively (photographs and patient-reported SSI symptoms). Technology acceptance was assessed using 5-point Likert scales from the validated Telehealth Usability Questionnaire (TUQ) and summarised using means and 95% confidence intervals (CI). A mixed-methods approach was used with synthesis according to the WHO framework for monitoring and evaluating digital health interventions. Results 200 patients participated between July 2021 and April 2022, with 115 (57.5%) undergoing emergency procedures. The 30-day SSI rate was 16.5% (n=33/200), with 72.7% (n=24) diagnosed post-discharge. Usage of the intervention was 83.0% (n=166/200), with subsequently 74.1% (n=123/166) TUQ completion. Patient acceptance was high with regards to satisfaction (4.27, CI: 4.13-4.41) and usefulness (4.07, CI: 3.92-4.23). Communication was rated lowest (3.86, CI: 3.71-4.02), related to the desire for more frequent and personalised interactions with the surgical team. Nevertheless, the majority perceived improved quality (3.72, CI: 3.56-3.89) and efficiency (4.08, CI: 3.93-4.23) over routine postoperative care. Conclusion Remote postoperative wound surveillance successfully demonstrates readiness for implementation according to the WHO framework. Both patients and healthcare services can benefit from enhanced community support to ensure appropriate and timely management.

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