Postoperative follow-up by automated text messaging versus telephone call in outpatient care with continuous regional analgesia: a randomized controlled feasibility trial
Authors' conclusion
Automated messaging is feasible, demonstrates excellent usability, and preserves patient satisfaction.
Study context
- Population
- Outpatients with continuous peripheral nerve catheters91 analysed
- Participants
- 100 outpatients
- Comparison
- Automated WhatsApp-based follow-up vs daily telephone calls for 3 days
- Mobile appn = 46
- Phonen = 45reference
- Primary endpoint
- Usability (System Usability Scale, 0-100; ≥68 acceptable, ≥85 excellent)
Methodological detailsfeasibility
- Feasibility
Primary result
As reported in the abstract
System Usability Scale (SUS) score (mobile app)
Mobile app
87.8
mean
Secondary outcomes
Satisfaction and response rates
- High and similar between groups
Reconsultations
- More frequent with the app vs phone, mainly non-urgent patient calls
- 28.3% vs 6.7%
Safety
Minor catheter-related events (reports)
- More common in the app group vs phone
- 60.9% vs 37.8%
Original publication
Postoperative follow-up by automated text messaging versus telephone call in outpatient care with continuous regional analgesia: a randomized controlled feasibility trial. Reg Anesth Pain Med. Published 18 September 2025. doi:10.
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