Treatable Intellectual Disability

SCOT Deficiency

DIAGNOSIS

Gene
OXCT1 (AR)

Diagnostic Test
Urine Organic Acids

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SIGNS & SYMPTOMS

Neurological
Encephalopathic crisis, dystonia, Basal ganglia lesions (MRIscan)

Non-Neurological
- - -

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THERAPY

Treatment
Avoid fasting,Protein Restriction, Sick Day Management

Level of Evidence
5

Clinical Practice
Standard of Care

Treatment Effect
Prevents metabolic decompensation



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SCOT Deficiency

SCOT Deficiency

Succinyl-CoA : 3-ketoacid CoA transferase (SCOT) deficiency is a typical ketolytic defect, in which extrahepatic tissues cannot use the ketone bodies produced by the liver. This disorder is characterized clinically by intermittent ketoacidosis with, however, no clinical symptoms between these episodes. The first ketoacidotic episode usually develops in the neonatal period or early childhood (6-20mo). Some patients show developmental delay and limitations in cognitive functioning; in the most severe cases, patients die of the sequela of the ketoacidotic attack. (Source: Orphanet)

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