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mayo clinic

Mar 29, 2025

Shaken Baby Syndrome - Symptoms and Causes

Overview

  • Definition: Shaken baby syndrome is a serious brain injury resulting from violently shaking an infant or toddler.
  • Other Names: Also known as abusive head trauma, shaken impact syndrome, inflicted head injury, or whiplash shaken infant syndrome.
  • Consequences: Can damage or destroy brain cells, causing permanent brain damage or death.
  • Prevention: Considered preventable with proper education and support for caregivers to understand the dangers.

Symptoms

  • Immediate Symptoms:
    • Extreme fussiness or irritability
    • Difficulty staying awake
    • Breathing problems
    • Poor eating
    • Vomiting
    • Pale or discolored skin
    • Seizures
    • Paralysis
    • Coma
  • Possible Hidden Injuries:
    • Bleeding in the brain and eyes
    • Spinal cord damage
    • Fractures (ribs, skull, legs, other bones)
  • Long-term Effects: Some symptoms may develop over time even if initial signs seem mild.

When to Seek Medical Attention

  • Seek immediate help if shaken baby syndrome is suspected.
  • Early medical intervention is crucial.
  • Healthcare professionals are required to report suspected abuse cases.

Causes

  • Mechanism: Caused by forcefully shaking a baby, making the brain move back and forth inside the skull.
  • Common Triggers: Often occurs from frustration or anger, especially if the child won't stop crying.
  • Not Caused By: Normal handling like bouncing a child on a knee or minor falls.

Risk Factors

  • Unrealistic expectations of infants
  • Dealing with a crying or medically needy baby
  • Young or single parent status
  • Stress and domestic violence
  • Substance misuse
  • Unstable family environments
  • Personal history of being mistreated as a child
  • Men are more likely to cause shaken baby syndrome than women.

Complications

  • Severe Effects: Can lead to irreversible brain damage or death.
  • Survivor Challenges:
    • Partial or total blindness
    • Developmental delays
    • Learning and behavioral issues
    • Seizures or epilepsy
    • Cerebral palsy

Prevention

  • Education: New parent classes can help reduce incidence by educating on the dangers and management of stress.
  • Alternative Caregiving: Ensure all caregivers are aware of the risks and prevention practices.
  • Support: Seek professional help if struggling with stress or emotions related to parenting.

Additional Information

  • For further details, appointments, and resources, visit Mayo Clinic’s website on shaken baby syndrome.