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Article Dans Une Revue Journal of Clinical Monitoring and Computing Année : 2022

Prediction of reactivity during tracheal intubation by pre-laryngoscopy tetanus-induced ANI variation

Résumé

The ANI is a nociception monitor based on the high frequency parts of heart rate variability. Tracheal intubation may induce potentially deleterious hemodynamic disturbances or motor reactions if analgesia is inadequate. We investigated whether ANI modification generated by a standardized moderate short tetanic stimulation performed before laryngoscopy could predict hemodynamic or somatic reactions to subsequent intubation. We designed a prospective, interventional, monocentric, pilot study. Regional ethics board approved the study, written informed consent was obtained from each participant. Before laryngoscopy, under steady-state total intravenous anaesthesia with propofol and remifentanil, the ulnar nerve was stimulated with a 5 s tetanus (70 mA, 50 Hz). After another steady-state period, orotracheal intubation was performed. ANI variation, hemodynamic parameters and somatic reactions associated with tetanus and intubation were collected. To assess the predictability of hemodynamic or somatic reaction during laryngoscopy by tetanus-induced ANI variation, we calculated the area under the corresponding Receiver Operating Characteristic curve (AUCROC) and the 95% confidence intervals. Thirty-five patients were analyzed. ANI decreased by 21 ± 17 after tetanus. Regarding the ability of tetanus-induced ANI variation to predict hemodynamic or somatic reactions during subsequent intubation, the AUCROCs [95% CI] were 0.61 [0.41–0.81] and 0.52 [0.31–0.72] respectively. ANI varied after a short moderate tetanic stimulation performed before laryngoscopy but this variation was not predictive of a hemodynamic or somatic reaction during intubation.
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Dates et versions

hal-04479386 , version 1 (27-02-2024)

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Citer

E. Jozefowicz, N. Sabourdin, V. Fontaine, V. Lambelin, V. Lejeune, et al.. Prediction of reactivity during tracheal intubation by pre-laryngoscopy tetanus-induced ANI variation. Journal of Clinical Monitoring and Computing, 2022, Journal of Clinical Monitoring and Computing, 36, p. 93-101. ⟨10.1007/s10877-020-00624-6⟩. ⟨hal-04479386⟩
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