Hypothermia after perinatal asphyxia: selection for treatment and cooling protocol
1Department of Child Health, University of Bristol, Bristol, United Kingdom. marianne.thoresen@bristol.ac.uk
The Journal of Pediatrics
|January 18, 2011
Summary
Therapeutic hypothermia (cooling) benefits newborns after perinatal asphyxia. However, trial exclusion criteria for this treatment need re-evaluation for broader application.
Area of Science:
- Neonatal Medicine
- Neurology
- Pediatrics
Background:
- Therapeutic hypothermia (cooling) is a proven treatment for newborns experiencing perinatal asphyxia.
- Three large randomized controlled trials confirm its benefits, showing no serious adverse effects.
Purpose of the Study:
- To evaluate the feasibility of current exclusion criteria for therapeutic hypothermia (HT) therapy in clinical practice.
- To assess the impact of HT on the validity of outcome predictors.
Main Methods:
- Review of existing evidence and trial exclusion criteria for therapeutic hypothermia.
- Analysis of the influence of HT on various outcome assessment methods, including clinical examination, amplitude-integrated electroencephalography, and magnetic resonance imaging.
Main Results:
- Current exclusion criteria for HT trials (e.g., age >6 hours, prematurity <36 weeks, abnormal coagulation, PPHN, congenital abnormalities) may limit access to this critical treatment.
- Therapeutic hypothermia can affect the reliability of certain outcome predictors like clinical exams and aEEG.
- Magnetic resonance imaging remains a valid outcome predictor irrespective of HT.
Conclusions:
- The feasibility of strict trial exclusion criteria for therapeutic hypothermia requires reassessment to ensure wider patient eligibility.
- Effective implementation of HT necessitates seamless collaboration between hospitals, transport teams, and cooling centers for this time-sensitive intervention.
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