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Paediatr Anaesth. 2004 Mar;14(3):218-24.

Incidence and risk factors of perioperative respiratory adverse events in children undergoing elective surgery.

Author information

1
Paediatric Anaesthesia Unit, Division of Anesthesia, University Hospital of Geneva, Geneva, Switzerland. chantal.mamie@hcuge.ch

Abstract

BACKGROUND:

Adverse respiratory events remain one of the major causes of morbidity during anaesthesia, especially in children. The purpose of this prospective study was to determine the incidence of perioperative respiratory adverse events (PRAE) during elective paediatric surgery and to identify the risk factors for these events.

METHODS:

Potential risk factors (atopy, eczema, rhinitis, food allergy, previous allergic tests, pollens or animal allergy, passive smoking, obstructive sleep disorders) were assessed using the International Society on Allergy and Asthma (ISAAC) questionnaire, which was submitted to the parents during preoperative anaesthetic assessment. Anaesthetic and surgical conditions were systematically recorded. A multivariate logistic regression explaining PRAE was developed in 800 children.

RESULTS:

The intraoperative incidence of respiratory adverse events was 21% and the incidence in the postanesthetic care unit was 13%. According to the multivariate analysis, children not anaesthetized by a specialist paediatric anaesthesiologist have 1.7 increased risk to present PRAE (95% CI = 1.13-2.57). Children anaesthetized for ear, nose, throat (ENT) surgery had a 1.57-fold higher risk of PRAE compared with other procedures (95% CI = 1.01-2.44). Furthermore, there was a synergistic interaction when two risk factors: residents and ENT surgery, were concomitant: the odds ratio (OR) of PRAE during non-ENT surgical procedures was 1.43 (95% CI = 0.91-2.24), but increased to 2.74-fold (95% CI = 1.15-4.32) for ENT surgery. The risk of PRAE was significantly lower when the anaesthetic technique included tracheal intubation with relaxants (OR = 0.6, 95% CI = 0.45-0.95) and decreased by 8% with each increasing year of age.

CONCLUSIONS:

This study demonstrates a high incidence of PRAE in paediatric surgical patients without respiratory tract infections, which appears to be primarily determined by the age of the child and the anaesthetic care rather than by the child's medical history.

PMID:
14996260
[Indexed for MEDLINE]

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