Why the study?
Most studies of smartphone blood pressure apps have focused on validation in static conditions without accounting for intraindividual variations, leaving their performance unstudied in dynamic contexts against an arterial catheter.
Does a smartphone app accurately estimate blood pressure compared to an invasive arterial catheter in patients undergoing general anesthesia?
Does a smartphone app accurately estimate blood pressure compared to an invasive arterial catheter in patients undergoing general anesthesia?
A novel smartphone app for blood pressure measurement showed high accuracy and concordance compared to invasive arterial monitoring during anesthesia induction, providing proof-of-concept for its use, albeit with a high recording rejection rate.
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Should not yet change perioperative BP monitoring practice; leaves open prospective validation of smartphone apps.
Hofmann et al. (2022) studied this question.
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