Why the study?
Cardiac mechanical efficiency predicts fluid responsiveness in adults, but its association with post-fluid bolus mean arterial pressure in critically ill children required evaluation.
Does pre-bolus dynamic arterial elastance predict fluid responsiveness in critically ill children with low mean arterial pressure?
Does pre-bolus dynamic arterial elastance predict fluid responsiveness in critically ill children with low mean arterial pressure?
Unlike in adults, dynamic arterial elastance does not appear to predict fluid responsiveness in critically ill children with low blood pressure.
May inform fluid decisions in hypotensive children; leaves open need for prospective validation before adoption.
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Walker et al. (2025) studied this question.
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