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Table 6 Clinical benefits after molecular diagnosis

From: Novel and de novo mutations in pediatric refractory epilepsy

Clinical benefits

Effects (Case details)

Diagnosis

SLC2A1 (GLUT1-DS)

Definitive diagnosis (Case 164)

SCN1A (DS)

Definitive diagnosis (Case 13, 38, 65, 115, 140)

TSC2 (TSC)

Definitive diagnosis (Case 94, 98)

Management implications

SLC2A1, using KD

Controlled (Case 164, KD)

SCN1A, stopping OXC

Remitted (Case 13, VPA, TPM,10–20 / month)

SCN1A, avoiding OXC, CBZ, and LTG

Remitted (Case 23, VPA, TPM, seizure-free for 5 months; Case 26, LEV, TPM, CZP, seizure-free for 6 months; Case 149, VPA, TPM, LEV, CZP, seizure-free for 4 months; Case 172, VPA, TPM, CZP, seizure-free for 1 year)

Uncontrolled (Case 35, 38, 53, 56, 65, 115, 124, 130, 140, 148, 162)

TSC2, using rapamune

Remitted (Case 32, seizure-free for 7 months)

Long-term follow up

TSC1 (risk of TSC)

Case 68

Reproductive planning

Suggesting the family conduct genetic counseling

TSC2 (Case 32, 98), SCN8A (Case 7), SCN1A (Case 149), ADSL (Case 52)

  1. Abbreviations: DS Dravet syndrome, GLUT1-DS glucose transporter type 1 deficiency syndrome, Rett Rett syndrome, TSC tuberous sclerosis complex, KD ketogenic diet, OXC oxcarbazepine, CBZ carbamazepine, LTG lamotrigine, VPA sodium valproate, TPM topiramate, LEV levetiracetam, CZP clonazepam