Pediatric anesthesia & critical care

Continuous monitoring of cerebral blood flow during general anaesthesia in infants

BJA OpenPublished Observational study

Authors' conclusion

Continuous monitoring of CBF velocity using NeoDoppler during anaesthesia is feasible and may provide valuable information about cerebral perfusion contributing to a more targeted haemodynamic management in anaesthetised infants.

Study context

Population
Infants undergoing noncardiac surgery under GAmedian postmenstrual age 37.6 weeks
Participants
30 infants
Outcome
CBF velocity (NeoDoppler via anterior fontanelle) during GA compared with simultaneously measured NIRS, BP and heart rate
Methodological detailsprospective, continuous monitoring
  • Prospective
  • Continuous monitoring

Main finding

As reported in the abstract

CBF velocity during anaesthesia vs baseline

End-diastolic velocity decreased in all infants, average reduction

59%

Peak systolic velocity reduction

26%

Time-averaged velocity reduction

45%

MAP reduction

20%

Observational data: associations, not effects.

Original publication

Continuous monitoring of cerebral blood flow during general anaesthesia in infants. BJA Open. Published 16 May 2023. doi:10.1016/j.bjao.2023.100144

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