Camera-Based Photoplethysmography for Measuring Heartbeat Intervals During General Anesthesia
Authors' conclusion
The results showed strong consistency between FaCare and the GE contact monitor across different anesthesia stages.
Study context
- Population
- Patients undergoing video-assisted thoracic surgery under GA
- Participants
- 30 patients
- Comparison
- Camera-based photoplethysmography vs conventional contact monitor
- Outcome
- Agreement in heartbeat interval measurement (Pearson correlation, Bland-Altman plots, Welch's t test)
- Follow-up
- 4 stages: preanesthesia, postanesthesia, postanesthesia with a shadowless lamp, and postsurgery
Main finding
As reported in the abstract
Agreement between FaCare and GE HealthCare monitor
Heart rate correlation coefficients between the 2 devices >0.8
88.1%
Original publication
Camera-Based Photoplethysmography for Measuring Heartbeat Intervals During General Anesthesia. Anesth Analg. Published 5 August 2025. doi:10.
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