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Unusual dyskinesia complicating cardiopulmonary bypass surgery

D T Huntley1, M al-Mateen, J H Menkes

  • 1Department of Neurology, UCLA School of Medicine 90024, USA.

Developmental Medicine and Child Neurology
|July 1, 1993
PubMed

Insights

Four infants developed choreoathetotic dyskinesia after cardiopulmonary bypass surgery. The condition, affecting the face, mouth, and tongue, improved in most infants but its cause remains unexplained.

Area of Science:

  • Pediatric Neurology
  • Cardiothoracic Surgery
  • Movement Disorders

Background:

  • Cardiopulmonary bypass surgery is a critical procedure in pediatric cardiac interventions.
  • Postoperative complications can significantly impact neurological outcomes in infants.

Observation:

  • Four infants presented with choreoathetotic dyskinesia within 3-4 days of cardiopulmonary bypass.
  • The involuntary movements primarily affected the facial muscles, tongue, and mouth.
  • Dyskinesia resolved during sleep in all affected infants.

Findings:

  • Three out of four infants showed improvement over several weeks.
  • One infant experienced persistent dyskinesia one year postoperatively.
  • Neuro-imaging and electroencephalogram (EEG) studies provided limited diagnostic value.
  • The etiology and contributing factors to the observed dyskinesia remain undetermined.

Implications:

  • This study highlights a rare but significant postoperative neurological complication following pediatric cardiopulmonary bypass.
  • The unexplained nature of the dyskinesia underscores the need for further research into its pathophysiology.
  • Understanding the underlying mechanisms could lead to improved preventative strategies and management for affected infants.

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