Sebastiaan van der Storm

46 Chapter 2 Study Country Study design Control group Follow -up Surgical procedure Participants App category Main app functions Study outcomes Type N= Age Nardo 2016 Italy Cohort Yes 28 months Hepatopancreatobiliary surgery Patients# 19; 27 63; 64 Communication - Text messages - Sending image, or other files - Averagely 32 communication events a month: clinical questions (54%), instructive comments (32%), administration questions (14%). - No differences in postoperative outcomes Doğan 2022 Turkey RCT Yes 3 months Bariatric surgery Patients 26; 25 37 40 Communication - Live consultation - Informative library - Nutrition and activity diary - Significant difference in BMI postoperative - No difference in other postoperative outcomes Moon 2021 Canada Study protocol RCT Yes 6 months Colorectal Surgery Patients 462 - Communication -Online informative modules -Peer support platform - Quality of life - Patient activation - Bowel function Gabriel 2015 US Retrospective Cohort No - Colorectal surgery Patients 34.176 69 Prognosis - Survival rate calculator - Development of the app (no evaluation of the app) Low 2021 Prospective study No 60 days Hepatopancreatobiliary surgery Patients 44 66 Prognosis - Self-reported assessment on symptoms - Collection of smartphone data (location, movement, device use, noise and light levels) - 73.5% accuracy of the prediction of symptoms during the next day - No evaluation of the app

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