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Prolonged apnoea with severe arterial hypoxaemia resulting from complex partial seizures
D P Southall1, V Stebbens, N Abraham
1Department of Paediatrics, Brompton Hospital, London.
Developmental Medicine and Child Neurology
|December 1, 1987
Summary
This study details a four-year-old experiencing cyanotic episodes linked to seizure activity. The findings suggest a specific seizure-induced respiratory arrest pattern causing hypoxemia.
Area of Science:
- Pediatric Neurology
- Clinical Neurophysiology
Background:
- A four-year-old child presented with recurrent cyanotic episodes since nine months of age.
- Episodes were refractory to anti-epileptic treatments and led to frequent cardiopulmonary resuscitation.
- Previous investigations did not establish a clear etiology for the cyanotic events.
Observation:
- Multi-channel recordings (EEG, respiratory, SpO2, ECG) were conducted during spontaneous episodes.
- Seizure activity consistently preceded the onset of cyanosis and respiratory arrest.
- Sinus tachycardia and severe hypoxemia followed the initial seizure activity.
Findings:
- The observed pattern suggests a seizure-induced central apnea or hypoventilation.
- The sequence of events includes initial seizure, followed by respiratory cessation and hypoxemia.
- Resolution of seizure activity correlated with the return of breathing and improved oxygenation.
Implications:
- This case highlights a rare presentation of seizure-related respiratory dysfunction in children.
- Understanding this specific seizure phenotype is crucial for accurate diagnosis and management.
- It underscores the importance of comprehensive neurophysiological monitoring during cyanotic episodes.