Key result
Continuous noninvasive finger blood pressure measurement showed an overall mean bias of 0.10 mm Hg compared to invasive monitoring, with 95% of measurements differing by ≤10 mm Hg.
Why the study?
Does continuous noninvasive finger blood pressure measurement accurately reflect invasive arterial blood pressure in critically ill patients?
Observational (n=39)
No
Does continuous noninvasive finger blood pressure measurement accurately reflect invasive arterial blood pressure in critically ill patients?
Noninvasive continuous finger blood pressure measurement using a finger cuff is generally accurate in critically ill patients, though significant discrepancies can occasionally occur.
Answers are grounded in this paper and cite their sources.
May support finger-cuff monitoring when arterial access unavailable; leaves open prospective validation before routine adoption.
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Hirschl et al. (1996) conducted an observational in Critically ill requiring invasive arterial blood pressure monitoring (n=39). Continuous noninvasive finger blood pressure measurement vs. Invasive mean arterial blood pressure measurement (radial artery cannulation) was evaluated on Discrepancy between noninvasive finger cuff and intra-arterial blood pressure measurements (Mean discrepancy 0.10 mm Hg). Continuous noninvasive finger blood pressure measurement showed an overall mean bias of 0.10 mm Hg compared to invasive monitoring, with 95% of measurements differing by ≤10 mm Hg.
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