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Morbidity and mortality after anaesthesia in early life: results of the European prospective multicentre observational study, neonate and children audit of anaesthesia practice in Europe (NECTARINE)

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  • Nicola Disma
  • Francis Veyckemans
  • Katalin Virag
  • Tom G Hansen
  • Karin Becke
  • Pierre Harlet
  • Laszlo Vutskits
  • Suellen M Walker
  • Jurgen C de Graaff
  • Marzena Zielinska
  • Dusica Simic
  • Thomas Engelhardt
  • Walid Habre
  • NECTARINE Group of the European Society of Anaesthesiology Clinical Trial Network
  • Arash Afshari
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BACKGROUND: Neonates and infants requiring anaesthesia are at risk of physiological instability and complications, but triggers for peri-anaesthetic interventions and associations with subsequent outcome are unknown.

METHODS: This prospective, observational study recruited patients up to 60 weeks' postmenstrual age undergoing anaesthesia for surgical or diagnostic procedures from 165 centres in 31 European countries between March 2016 and January 2017. The primary aim was to identify thresholds of pre-determined physiological variables that triggered a medical intervention. The secondary aims were to evaluate morbidities, mortality at 30 and 90 days, or both, and associations with critical events.

RESULTS: Infants (n=5609) born at mean (standard deviation [sd]) 36.2 (4.4) weeks postmenstrual age (35.7% preterm) underwent 6542 procedures within 63 (48) days of birth. Critical event(s) requiring intervention occurred in 35.2% of cases, mainly hypotension (>30% decrease in blood pressure) or reduced oxygenation (SpO2 <85%). Postmenstrual age influenced the incidence and thresholds for intervention. Risk of critical events was increased by prior neonatal medical conditions, congenital anomalies, or both (relative risk [RR]=1.16; 95% confidence interval [CI], 1.04-1.28) and in those requiring preoperative intensive support (RR=1.27; 95% CI, 1.15-1.41). Additional complications occurred in 16.3% of patients by 30 days, and overall 90-day mortality was 3.2% (95% CI, 2.7-3.7%). Co-occurrence of intraoperative hypotension, hypoxaemia, and anaemia was associated with increased risk of morbidity (RR=3.56; 95% CI, 1.64-7.71) and mortality (RR=19.80; 95% CI, 5.87-66.7).

CONCLUSIONS: Variability in physiological thresholds that triggered an intervention, and the impact of poor tissue oxygenation on patient's outcome, highlight the need for more standardised perioperative management guidelines for neonates and infants.


Original languageEnglish
JournalBritish Journal of Anaesthesia
Issue number6
Pages (from-to)1157-1172
Number of pages16
Publication statusPublished - Jun 2021

Bibliographical note

Copyright © 2021 The Authors. Published by Elsevier Ltd.. All rights reserved.

    Research areas

  • Age Factors, Anesthesia/adverse effects, Anesthetics/adverse effects, Comorbidity, Europe/epidemiology, Female, Gestational Age, Health Status, Humans, Incidence, Infant, Infant, Newborn, Infant, Premature, Intraoperative Complications/diagnosis, Male, Medical Audit, Postoperative Complications/diagnosis, Prospective Studies, Risk Assessment, Risk Factors, Surgical Procedures, Operative/adverse effects, Time Factors

ID: 69020680