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Injury guide

HIE: newborn brain injury and cooling care

HIE is brain injury linked to too little oxygen around birth. Cooling is specialist care for selected babies.

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Updated Oct 4, 202615 sources

This may apply to you if

  • Prepare the birth, care and diagnosis dates you know; mark uncertain details.
  • Ask for a review of the care standard, possible harm and evidence linking the two.
  • Ask a lawyer to check the actual claim, legal authority and filing requirements.

What the public record says

These are cited sources. Their inclusion does not imply that they endorse People’s Justice or reviewed this page.

The evidence and its limits

Wayne State University; NICHD Neonatal Research Network · New England Journal of Medicine · 2005

Whole-body hypothermia for neonates with hypoxic-ischemic encephalopathy

Design:
Randomized controlled trial
Participants:
208 infants randomized: 102 cooling and 106 control; primary outcome data for 205. Infants were at least 36 weeks, with moderate or severe encephalopathy and other study criteria.
Finding:
Death or moderate-to-severe disability occurred in 45 of 102 cooled infants and 64 of 103 controls at 18 to 22 months.
Main limitation
Original author abstract and metadata read, not full paper or supplements. Selected clinical population and combined outcome do not establish benefit for every birth injury or fault in an individual case.

Read the source: Whole-body hypothermia for neonates with hypoxic-ischemic encephalopathy (opens in a new tab) · Checked Oct 3, 2026

University of Utah; NICHD Neonatal Research Network · JAMA Pediatrics · 2025

Whole-Body Hypothermia for Neonatal Encephalopathy in Preterm Infants 33 to 35 Weeks’ Gestation: A Randomized Clinical Trial

Design:
Randomized controlled trial
Participants:
168 infants randomized across 19 US centers: 88 cooling and 80 targeted normal-temperature care. Primary outcome data available for 83 and 69, respectively.
Finding:
Cooling did not reduce death or moderate-to-severe disability at 18 to 22 months; the analysis suggested possible increased harm.
Main limitation
Moderate sample size, missing follow-up and treatment not blinded to clinicians; follow-up examiners were blinded. The trial applies to its selected 33-to-35-week population and does not decide individual negligence.

Read the source: Whole-Body Hypothermia for Neonatal Encephalopathy in Preterm Infants 33 to 35 Weeks’ Gestation: A Randomized Clinical Trial (opens in a new tab) · Checked Oct 3, 2026

The short answer

What is HIE?
HIE means brain harm linked to too little oxygen around birth. It does not establish who caused the harm. Ask the doctor to explain the diagnosis. [11]
Which signs and tests matter?
Ask the newborn team what signs raised concern. The AAP report describes brain monitoring and imaging as part of specialist care. One finding does not tell the whole history. [3]
How is HIE diagnosed and treated?
Doctors assess the baby and plan prompt care or transfer. Cooling may help selected babies born at least 36 weeks with moderate or severe HIE. It is specialist care. [3]
What does the cooling research show?
The term-baby trial found fewer deaths or serious disabilities with cooling. The preterm trial did not find the same benefit. Neither trial proves fault in one birth. [4]

The process

What happens next

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  2. 02

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  3. 03

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When it fits this case

  • Prepare the birth, care and diagnosis dates you know; mark uncertain details.
  • Ask for a review of the care standard, possible harm and evidence linking the two.
  • Ask a lawyer to check the actual claim, legal authority and filing requirements.

HIE is brain injury linked to too little oxygen around birth. Cooling is specialist care for selected babies. Ask the care team about your child and a lawyer about any alleged error.

What is HIE?

HIE means brain harm linked to too little oxygen around birth. It does not establish who caused the harm. Ask the doctor to explain the diagnosis.

Doctors call this hypoxic-ischemic encephalopathy, or HIE. The NIH network summary describes the condition. The 2026 AAP report concerns selected babies with moderate or severe illness. It is not a test that establishes how or why one child was harmed.

Which signs and tests matter?

Ask the newborn team what signs raised concern. The AAP report describes brain monitoring and imaging as part of specialist care. One finding does not tell the whole history.

Have the team explain the severity assessment, scans and follow-up plan. This page gives no home diagnosis or test threshold for qualifying for a claim. The full clinical record needs a personal check.

How is HIE diagnosed and treated?

Doctors assess the baby and plan prompt care or transfer. Cooling may help selected babies born at least 36 weeks with moderate or severe HIE. It is specialist care.

This is controlled specialist therapy, not home cooling. A trial in babies born at 33 to 35 weeks did not show reduced death or disability and suggested possible harm. The populations must stay distinct.

What does the cooling research show?

The term-baby trial found fewer deaths or serious disabilities with cooling. The preterm trial did not find the same benefit. Neither trial proves fault in one birth.

The older trial randomized 208 infants and had outcome data for 205. The preterm trial randomized 168, with incomplete follow-up. Different birth ages, selected illness and study limits prevent a single rule for every baby.

Who may qualify for a care-delay claim review?

A lawyer and clinical expert must check the record. A trial of later cooling found possible benefit, with doubt. It sets no fixed legal cutoff.

The trial enrolled selected babies between six and 24 hours after birth. Its uncertainty is not advice to wait. California’s court guide separately illustrates proof that deficient care caused injury under applicable law.

Which hospital records should I ask about?

Prepare the birth, transfer and specialist care papers you have. Ask about missing covered copies. Keep the actual times and diagnoses, with uncertainty clearly marked.

You can ask the team which scans and follow-up reports describe the injury. The HHS access guide has exceptions and does not promise a free copy of every file to every third party.

Find out where you stand.

The review is free and private. Asking for it doesn’t commit you to anything.

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Sources

  1. CDC: cerebral palsy risk factorsCDC: cerebral palsy risk factors · regulator
  2. ACOG and AAP: The Apgar ScoreACOG and AAP: The Apgar Score
  3. Zanelli et al.: Therapeutic Hypothermia for Neonatal Hypoxic-Ischemic Encephalopathy: Clinical ReportZanelli et al.: Therapeutic Hypothermia for Neonatal Hypoxic-Ischemic Encephalopathy: Clinical Report · study
  4. Shankaran et al.: Whole-body hypothermia for neonates with hypoxic-ischemic encephalopathyShankaran et al.: Whole-body hypothermia for neonates with hypoxic-ischemic encephalopathy · study
  5. Faix et al.: Whole-Body Hypothermia for Neonatal Encephalopathy in Preterm Infants 33 to 35 Weeks’ Gestation: A Randomized Clinical TrialFaix et al.: Whole-Body Hypothermia for Neonatal Encephalopathy in Preterm Infants 33 to 35 Weeks’ Gestation: A Randomized Clinical Trial · study
  6. Laptook et al.: Effect of Therapeutic Hypothermia Initiated After 6 Hours of Age on Death or Disability Among Newborns With Hypoxic-Ischemic Encephalopathy: A Randomized Clinical TrialLaptook et al.: Effect of Therapeutic Hypothermia Initiated After 6 Hours of Age on Death or Disability Among Newborns With Hypoxic-Ischemic Encephalopathy: A Randomized Clinical Trial · study
  7. California Courts: rules when suing a healthcare providerCalifornia Courts: rules when suing a healthcare provider · court
  8. ABA Model Rule 1.5: feesABA Model Rule 1.5: fees
  9. Southern District of New York: filing time limitsSouthern District of New York: filing time limits · court
  10. HHS: Your Medical RecordsHHS: Your Medical Records · regulator
  11. NICHD: Neonatal Research NetworkNICHD: Neonatal Research Network · regulator
  12. 45 CFR164.502(g): personal representatives45 CFR164.502(g): personal representatives · regulator
  13. FDA Issues Class I Recalls of Datex-Ohmeda Infant Warmers Over Oxygen Delivery Defectapi.fda.gov · Jun 30, 2026 · regulator
  14. CPSC Recalls VEVOR Baby Loungers and AMASKY Nursing Pillows Over Infant Injury and Death Riskscpsc.gov · Jul 2, 2026 · regulator
  15. FDA Issues Class I Recall for Abiomed Impella CP Set Over Blood Clot Riskapi.fda.gov · Jul 6, 2026 · regulator

Checked against 15 primary sources by People's Justice editors · Updated

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