Neonatology Book


Recurrent Laryngeal Nerve Injury from birth trauma

Aka: Recurrent Laryngeal Nerve Injury from birth trauma
  1. Pathophysiology
    1. Vagus Nerve injury at recurrent laryngeal
    2. Results in unilateral vocal cord abductor paralysis
  2. Causes
    1. Unilateral Vocal Cord Paralysis
      1. Excessive traction on head during delivery
    2. Bilateral Vocal Cord Paralysis
      1. Trauma to both recurrent laryngeal nerves
      2. Central Nervous System injury
  3. Signs
    1. Hoarse cry
    2. Respiratory Stridor
  4. Diagnosis
    1. Direct Laryngoscopy
      1. Vocal Cord Paralysis
  5. Management
    1. Small, frequent feedings (minimize aspiration risk)
    2. Intubation if bilateral Vocal Cord Paralysis
  6. Course
    1. Paralysis persists for 4-6 weeks

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