Key result
Preoperative orthostatic change in heart rate variability was significantly lower in children experiencing adverse respiratory events during anesthesia emergence (LF/HF ratio 1.3 vs 2.8; p=0.019).
Why the study?
Does preoperative heart rate variability correlate with adverse respiratory events during anesthesia emergence in children?
Case-Control (n=61)
No
Does preoperative heart rate variability correlate with adverse respiratory events during anesthesia emergence in children?
While preoperative heart rate variability correlates with adverse respiratory events during anesthesia emergence in children, its predictive value is insufficient for routine clinical screening.
May not support routine preoperative HRV screening in children; leaves open its added predictive value over clinical assessment.
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Elwood et al. (2005) conducted a case-control in Adverse respiratory events during anesthesia emergence (n=61). Preoperative heart rate variability vs. Children without adverse events was evaluated on Adverse respiratory events during anesthesia emergence (coughing, laryngospasm, and desaturation) (p=.019). Preoperative orthostatic change in heart rate variability was significantly lower in children experiencing adverse respiratory events during anesthesia emergence (LF/HF ratio 1.3 vs 2.8; p=0.019).
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