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Updated: May 19, 2026
Esophageal Heat Transfer for Patient Temperature Control and Targeted Temperature Management
Published on: November 21, 2017
Provision of servo-controlled cooling during neonatal transport
Ewen D Johnston1, Julie-Clare Becher, Anne P Mitchell
1Neonatal Unit, Simpson Centre for Reproductive Health, Royal Infirmary, Old Dalkeith Road, Edinburgh EH16 4SA, UK. ewen.johnston@luht.scot.nhs.uk
Introduction:
Therapeutic hypothermia is a time critical intervention for infants who have experienced a hypoxic-ischaemic event. Previously reported methods of cooling during transport do not demonstrate the same stability achieved in the neonatal unit. The authors developed a system which allowed provision of servo-controlled cooling throughout transport, and present their first year's experience.
Methods:
Retrospective review of routinely collected patient data.
Results:
14 out-born infants were referred for cooling during a 12-month period. Nine infants were managed with the servo-controlled system during transport. Cooling was commenced in all infants before 6 h of life. Median time from team arrival to the infant having a temperature in the target range (33-34°C) was 45 min. Median temperature during transfer was 33.5°C (range 33-34°C). Temperature on arrival at the cooling centre ranged from 33.4°C to 33.8°C.
Conclusion:
Servo-controlled cooling during transport is feasible and provides an optimal level of thermal control.
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