Journal of Pediatric Epilepsy 2021; 10(03): 128-134
DOI: 10.1055/s-0041-1723951
Case Report

Managing Status Epilepticus in a Child with Dravet Syndrome: How Difficult It Could Be?

1   Department of Pediatric Neurology, Pediatric Center of Excellence, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran
,
2   Growth and Development Research Center, Tehran University of Medical Sciences, Tehran, Iran
,
1   Department of Pediatric Neurology, Pediatric Center of Excellence, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran
,
1   Department of Pediatric Neurology, Pediatric Center of Excellence, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran
,
3   Department of Pediatric Neurology, Golestan Medical, Educational and Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
,
1   Department of Pediatric Neurology, Pediatric Center of Excellence, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran
2   Growth and Development Research Center, Tehran University of Medical Sciences, Tehran, Iran
4   Department of Pediatric Neurology, Vali-e-Asr Hospital, Imam Khomeini Hospital Complex, Tehran University of Medical Sciences, Tehran, Iran
› Author Affiliations
Funding None.

Abstract

Previously known as severe myoclonic epilepsy of infancy, Dravet syndrome is characterized by febrile or afebrile prolonged hemiconvulsive seizures or generalized status epilepticus in an infant with previously normal development. Immediate management of status epilepticus is critical in these patients. Early control of status epilepticus prevents further brain damage; however, there is no consensus regarding the management of status epilepticus in children with Dravet syndrome, as many conventional antiseizure medications that are recommended in the management of status epilepticus worsen the seizures in these patients. A 2.5-year-old girl child patient was referred due to status epilepticus which was refractory to antiseizure medications. Sodium valproate, nitrazepam, ketogenic diet, intravenous phenytoin, and midazolam continuous infusion were administered. After controlling status epilepticus, the probable diagnosis of Dravet syndrome was proposed and confirmed by a mutation in SCN1A. As previously stated in numerous case reports, phenytoin worsens seizures in patients with Dravet syndrome. Therefore, it seems logical that in every infant with status epilepticus and probable Dravet syndrome, the practicing physician considers administering intravenous valproate or even midazolam continuous infusion instead of intravenous phenytoin.

Ethical Approval

Verbal and written informed consent for publishing the manuscript wad obtained from the parents of the patient.


Authors' Contributions

R.S.B. and M.M, managed the patient and did the necessary treatments. M.R.A. collected the data and R.A. interpreted it. M.H. did the literature review and A.G. wrote the final manuscript.




Publication History

Received: 30 March 2020

Accepted: 23 December 2020

Article published online:
19 February 2021

© 2021. Thieme. All rights reserved.

Georg Thieme Verlag KG
Rüdigerstraße 14, 70469 Stuttgart, Germany

 
  • References

  • 1 Dravet C, Bureau M, Oguni H, Fukuyama Y, Cokar O. Severe myoclonic epilepsy in infancy: Dravet syndrome. Adv Neurol 2005; 95: 71-102
  • 2 Dravet C. Les epilepsies graves de l'enfant. Vie Med 1978; 8: 543-548
  • 3 Dravet C. The core Dravet syndrome phenotype. Epilepsia 2011; 52 (Suppl. 02) 3-9
  • 4 Caraballo R, Cersósimo R, Galicchio S, Fejerman N. [Epilepsies during the first year of life]. Rev Neurol 1997; 25 (146) 1521-1524
  • 5 Dravet C, Bureau M, Genton P. Benign myoclonic epilepsy of infancy: electroclinical symptomatology and differential diagnosis from the other types of generalized epilepsy of infancy. Epilepsy Res Suppl 1992; 6: 131-135
  • 6 Hurst DL. Epidemiology of severe myoclonic epilepsy of infancy. Epilepsia 1990; 31 (04) 397-400
  • 7 Hirose S, Scheffer IE, Marini C. et al; Genetics Commission of the International League Against Epilepsy. SCN1A testing for epilepsy: application in clinical practice. Epilepsia 2013; 54 (05) 946-952
  • 8 Okumura A, Uematsu M, Imataka G. et al. Acute encephalopathy in children with Dravet syndrome. Epilepsia 2012; 53 (01) 79-86
  • 9 Wiest R, von Bredow F, Schindler K. et al. Detection of regional blood perfusion changes in epileptic seizures with dynamic brain perfusion CT–a pilot study. Epilepsy Res 2006; 72 (2-3): 102-110
  • 10 Coulter DA, DeLorenzo RJ. Basic mechanisms of status epilepticus. Adv Neurol 1999; 79: 725-733
  • 11 Ceulemans B, Boel M, Claes L. et al. Severe myoclonic epilepsy in infancy: toward an optimal treatment. J Child Neurol 2004; 19 (07) 516-521
  • 12 Wada DR, Björkman S, Ebling WF, Harashima H, Harapat SR, Stanski DR. Computer simulation of the effects of alterations in blood flows and body composition on thiopental pharmacokinetics in humans. Anesthesiology 1997; 87 (04) 884-899
  • 13 Niquet J, Baldwin R, Suchomelova L. et al. Benzodiazepine-refractory status epilepticus: pathophysiology and principles of treatment. Ann N Y Acad Sci 2016; 1378 (01) 166-173
  • 14 Grosenbaugh DK, Mott DD. Stiripentol is anticonvulsant by potentiating GABAergic transmission in a model of benzodiazepine-refractory status epilepticus. Neuropharmacology 2013; 67: 136-143
  • 15 Wirrell EC, Laux L, Donner E. et al. Optimizing the diagnosis and management of Dravet syndrome: recommendations from a North American consensus panel. Pediatr Neurol 2017; 68: 18-34.e3
  • 16 Wirrell EC. Treatment of Dravet syndrome. Can J Neurol Sci 2016; 43 (03, Suppl 3): S13-S18
  • 17 Tanabe T, Awaya Y, Matsuishi T. et al. Management of and prophylaxis against status epilepticus in children with severe myoclonic epilepsy in infancy (SMEI; Dravet syndrome)–a nationwide questionnaire survey in Japan. Brain Dev 2008; 30 (10) 629-635
  • 18 Ceulemans B. Overall management of patients with Dravet syndrome. Dev Med Child Neurol 2011; 53 (Suppl. 02) 19-23
  • 19 Lahat E, Goldman M, Barr J, Bistritzer T, Berkovitch M. Comparison of intranasal midazolam with intravenous diazepam for treating febrile seizures in children: prospective randomised study. BMJ 2000; 321 (7253): 83-86
  • 20 McIntyre J, Robertson S, Norris E. et al. Safety and efficacy of buccal midazolam versus rectal diazepam for emergency treatment of seizures in children: a randomised controlled trial. Lancet 2005; 366 (9481): 205-210
  • 21 Wheless JW, Fulton SP, Mudigoudar BD. Dravet syndrome: a review of current management. Pediatr Neurol 2020; 107: 28-40
  • 22 Striano P, Striano S, Minetti C, Zara F. Refractory, life-threatening status epilepticus in a 3-year-old girl. Lancet Neurol 2008; 7 (03) 278-284
  • 23 Biton V, Montouris GD, Ritter F. et al; Topiramate YTC Study Group. A randomized, placebo-controlled study of topiramate in primary generalized tonic-clonic seizures. Neurology 1999; 52 (07) 1330-1337
  • 24 Coppola G, Capovilla G, Montagnini A. et al. Topiramate as add-on drug in severe myoclonic epilepsy in infancy: an Italian multicenter open trial. Epilepsy Res 2002; 49 (01) 45-48
  • 25 Kröll-Seger J, Portilla P, Dulac O, Chiron C. Topiramate in the treatment of highly refractory patients with Dravet syndrome. Neuropediatrics 2006; 37 (06) 325-329
  • 26 Mikaeloff Y, de Saint-Martin A, Mancini J. et al. Topiramate: efficacy and tolerability in children according to epilepsy syndromes. Epilepsy Res 2003; 53 (03) 225-232
  • 27 Nieto-Barrera M, Candau R, Nieto-Jimenez M, Correa A, del Portal LR. Topiramate in the treatment of severe myoclonic epilepsy in infancy. Seizure 2000; 9 (08) 590-594
  • 28 Chiron C, Marchand MC, Tran A. et al. Stiripentol in severe myoclonic epilepsy in infancy: a randomised placebo-controlled syndrome-dedicated trial. STICLO study group. Lancet 2000; 356 (9242): 1638-1642
  • 29 Thanh TN, Chiron C, Dellatolas G. et al. [Long-term efficacy and tolerance of stiripentol in severe myoclonic epilepsy of infancy (Dravet's syndrome)]. Arch Pediatr 2002; 9 (11) 1120-1127
  • 30 Catarino CB, Liu JY, Liagkouras I. et al. Dravet syndrome as epileptic encephalopathy: evidence from long-term course and neuropathology. Brain 2011; 134 (Pt 10): 2982-3010
  • 31 Dalic L, Mullen SA, Roulet Perez E, Scheffer I. Lamotrigine can be beneficial in patients with Dravet syndrome. Dev Med Child Neurol 2015; 57 (02) 200-202
  • 32 Guerrini R, Dravet C, Genton P, Belmonte A, Kaminska A, Dulac O. Lamotrigine and seizure aggravation in severe myoclonic epilepsy. Epilepsia 1998; 39 (05) 508-512
  • 33 Nashef L, Hindocha N, Makoff A. Risk factors in sudden death in epilepsy (SUDEP): the quest for mechanisms. Epilepsia 2007; 48 (05) 859-871
  • 34 Stöllberger C, Finsterer J. Cardiorespiratory findings in sudden unexplained/unexpected death in epilepsy (SUDEP). Epilepsy Res 2004; 59 (01) 51-60
  • 35 Delogu AB, Spinelli A, Battaglia D. et al. Electrical and autonomic cardiac function in patients with Dravet syndrome. Epilepsia 2011; 52 (Suppl. 02) 55-58
  • 36 Lyu SY, Nam SO, Lee YJ. et al. Longitudinal change of cardiac electrical and autonomic function and potential risk factors in children with Dravet syndrome. Epilepsy Res 2019; 152: 11-17
  • 37 Schwartz PJ, Priori SG. Long QT syndrome: genotype-phenotype correlations. In: Zipes DP, Jalife J, eds. Cardiac Electrophysiology: From Cell to Bedside. 4th ed. Philadelphia: WB Saunders Co; 2004: 651-659
  • 38 Lei M, Jones SA, Liu J. et al. Requirement of neuronal- and cardiac-type sodium channels for murine sinoatrial node pacemaking. J Physiol 2004; 559 (Pt 3): 835-848