• J Allary, G Weil, and J-L Bourgain.
• Service d'anesthésie, institut Gustave-Roussy, 114, rue Édouard-Vaillant, 94805 Villejuif, France.
• Ann Fr Anesth Reanim. 2011 Jul 1;30(7-8):538-45.

IntroductionControl of residual muscle paralysis and hypothermia reduce postoperative complications rate. Short context sensitive half life anaesthetic agents allow a better adjustment of anaesthesia depth according to surgical requirement and a safe early extubation. Using a large clinical database, impact of these three strategies was assessed on clinical criteria such as use of neostigmine in postanaesthesia care unit (PACU), temperature, sedation score at the arrival into PACU and mechanical ventilation weaning.MethodsThis is a retrospective study on two separated periods. Since 2001, clinical events are entered into the database during and after anaesthesia in the same file. Agreement of anaesthesia staff to these strategies was assessed by the proportion of patients receiving modern anaesthetic agents (desflurane, sevoflurane and remifentanil) and the use of warming devices. Clinical impact was assessed by the number of patients receiving neostigmine in PACU, sedation score and temperature at the arrival in PACU and number of patients with mechanical ventilation in PACU.ResultsBetween the two periods (12,033 and 11,805 patients, respectively), use of sevoflurane, desflurane and remifentanil markedly increased, as well as the use of warming devices. Number of patients with neuromuscular reversal in PACU decreased from 73 to 11 and sedation score improved dramatically. Incidence of postoperative ventilation in PACU decreased from 1.1% (n=132) to 0.2% (n=30). Incidence of postoperative hypothermia was not changed during the two periods but incidence of hypothermia in the mechanically ventilated patient increased from 34.1 to 46.6%. Length of stay in PACU decreased from 122 to 114 minutes (p<0.05).DiscussionImplementation of new intraoperative protocols induced major effects on postoperative clinical parameters and especially postoperative mechanical ventilation. Failure of our hypothermia prevention associated with a fast return of consciousness lead to wean from mechanical ventilation hypothermic patients. Risks of this strategy were not estimated.Copyright © 2011 Elsevier Masson SAS. All rights reserved.

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