Hemodynamics, fluids & transfusion
Reliability and reproducibility of the DICART device to assess capillary refill time: a bench and in-silico study
Authors' conclusion
We confirmed the ability of the DiCART™ II device to perform multiple measurements without mechanical or electronic dysfunction. The precision and reproducibility of the algorithm are compatible with the assessment of clinical small changes in CRT.
Study context
- Population
- Videos acquired from a previous clinical study on healthy volunteers
- Outcome
- Reproducibility of DiCART CRT measurement (coefficient of variation)
Methodological detailsrobotic system, in-silico video modification, Bench: robotic system analysed 250 times nine previously acquired videos, In-silico: 222 videos; 30 blind-spot videos and 100 color-jitter videos created from each video
- Robotic system
- In-silico video modification
- Bench: robotic system analysed 250 times nine previously acquired videos
- In-silico: 222 videos; 30 blind-spot videos and 100 color-jitter videos created from each video
Main finding
As reported in the abstract
Bench study: coefficient of variation
11%
95% CI 9–13
Bench study: correlation with human-measured capillary refill time (CRT) (R2), P < 0.001
0.91
In-silico, blind spotted video: coefficient of variation
13%
95% CI 10–17
In-silico, color-jitter modified video: coefficient of variation
62%
95% CI 55–70
Original publication
Reliability and reproducibility of the DICART device to assess capillary refill time: a bench and in-silico study. J Clin Monit Comput. Published 18 May 2023. doi:10.
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