• Gudrun Theile, Vanessa Klaas, Gerhard Tröster, and Matthias Guckenberger.
• Clinic of Radiation-Oncology, Competence Center Palliative Care, University Hospital Zurich, Zurich, Switzerland.
• JMIR Res Protoc. 2017 Aug 16; 6 (8): e142.

BackgroundPalliative care patients are a particularly vulnerable population and one of the critical phases in patients' trajectories is discharge from specialized in-patient palliative care into outpatient care, where availability of a palliative care infrastructure is highly variable. A relevant number of potentially avoidable readmissions and emergency visits of palliative patients is observed due to rapid exacerbation of symptoms indicating the need for a closer patient monitoring. In the last years, different mHealth technology applications have been evaluated in many different patient groups.ObjectiveThe aim of our study is to test feasibility of a remote physical and social tracking system in palliative care patients.MethodsA feasibility study with explorative, descriptive study design, comprised of 3 work packages. From the wards of the Clinic of Radiation-Oncology at the University Hospital Zurich, including the specialized palliative care ward, 30 patients will be recruited and will receive a mobile phone and a tracking bracelet before discharge. The aim of work package A is to evaluate if severely ill patients accept to be equipped with a tracking bracelet and a mobile phone (by semiquantitative questionnaires and guideline interviews). Work package B evaluates the technical feasibility and quality of the acquired electronic health data. Work package C will demonstrate whether physical activity parameters, such as step count, sleep duration, social activity patterns like making calls, and vital signs (eg, heart rate) do correlate with subjective health data and can serve as indicator to early detect and predict changes in patients' health status. Activity parameters will be extracted from the mobile phone's and wristband's sensor data using signal processing methods. Subjective health data is captured via electronic version of visual analog scale and Distress Thermometer as well as the European Organization for Research and Treatment of Cancer - Quality of Life Questionnaire C30 in paper version.ResultsEnrollment began in February 2017. First study results will be reported in the middle of 2018.ConclusionsOur project will deliver relevant data on patients' acceptance of activity and social tracking and test the correlation between subjective symptom assessment and objective activity in the vulnerable population of palliative care patients. The proposed study is meant to be preparatory work for an intervention study to test the effect of wireless monitoring of palliative care patients on symptom control and quality of life.©Gudrun Theile, Vanessa Klaas, Gerhard Tröster, Matthias Guckenberger. Originally published in JMIR Research Protocols (http://www.researchprotocols.org), 16.08.2017.

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