Table 1

 Short term outcome of studied infants

Allopurinol (n = 17)Vehicle (n = 15)
*One missing in vehicle group but postmortem MRI.
†Died.
aEEG, Amplitude integrated electroencephalogram; MRI, magnetic resonance imaging.
Recovery aEEG to normal pattern within 24 h7 (3†)7 (2†)
No recovery of aEEG to normal pattern10 (10†)8 (8†)
Seizure activity
    None1 (6%)1 (7%)
    Single or repetitive seizures8 (47%)9 (60%)
    Status epilepticus8 (47%)5 (33%)
Cranial ultrasonography (n = 31)*
    Normal2 (12%)3 (20%)
    Increased echogenicity of basal ganglia6 (35%)7 (47%)
    Increased echogenicity of (sub)cortical region4 (24%)0 (0%)
    Increased echogenicity in both regions5 (29%)4 (27%)
Cranial MRI (n = 12)
    Normal1 (6%)1 (7%)
    Basal ganglia abnormalities2 (12%)1 (7%)
    (Sub)cortical abnormalities2 (12%)2 (13%)
    Abnormalities in both regions1 (6%)2 (13%)
Mortality13 (76%)10 (67%)