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Validation of a Novel Electronic Device for Medication Adherence Monitoring of Ambulatory Patients

Arnet, Isabelle and Rothen, Jean-Pierre and Hersberger, Kurt E.. (2019) Validation of a Novel Electronic Device for Medication Adherence Monitoring of Ambulatory Patients. Pharmacy (Basel, Switzerland), 7 (4). nn.

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Official URL: https://edoc.unibas.ch/74539/

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Abstract

Several methods exist for measuring medication adherence. The Time4Med; TM; device (Adherence Innovations, Hong Kong) is a small, electronic card to affix on medication packaging that records date and time of intakes when a button is pushed. We aimed to validate the device with an emphasis on polypharmacy. Twenty volunteers used Time4Med; TM; devices with a virtual thrice daily intake over 14 days. Diary-recorded date and time were compared to electronically-stored events. Functionality, reliability and recovery for different stress conditions were calculated. User's acceptability was assessed with the System Usability Scale (SUS). Eleven elderly outpatients (mean age 80.2 ± 8.1 years) taking >3 medications daily used the device over 4 weeks. Volunteers logged 847 events. Functionality (100%), sensitivity (94.9%), specificity (99.4%) and recovery (100%) were high. Dropping the smart card and storing it in a refrigerator caused either the recording of false events or no recording at all. The mean SUS score was 82.6 (SD 14.8), demonstrating excellent acceptability. Satisfaction was very high for volunteers and patients, except for pushing the button. Time4Med; TM; devices are highly accurate in recording, retaining and delivering electronic data of multiple medication intake. They are well accepted by elderly patients. They can be recommended in clinical studies and for practitioners who desire to elucidate adherence patterns of ambulatory patients.
Faculties and Departments:05 Faculty of Science > Departement Pharmazeutische Wissenschaften > Pharmazie > Pharmaceutical Care (Hersberger)
UniBasel Contributors:Arnet, Isabelle and Rothen, Jean-Pierre and Hersberger, Kurt E.
Item Type:Article, refereed
Article Subtype:Research Article
ISSN:2226-4787
Note:Publication type according to Uni Basel Research Database: Journal article
Identification Number:
Last Modified:13 Apr 2020 13:28
Deposited On:13 Apr 2020 13:28

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