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CC BY 4.0 · Arq Neuropsiquiatr 2023; 81(09): 844-856
DOI: 10.1055/s-0043-1772835
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Brazilian experts' consensus on the treatment of infantile epileptic spasm syndrome in infants

Consenso de especialistas brasileiros sobre o tratamento da síndrome dos espasmos infantis em lactentes
Letícia Pereira de Brito Sampaio 
1   Universidade de São Paulo, Faculdade de Medicina, Hospital das Clínicas, São Paulo SP, Brazil.
,
Adélia Maria de Miranda Henriques-Souza 
2   Instituto de Medicina Integral Professor Fernando Figueira, Recife PE, Brazil.
3   Hospital da Restauração, Recife, PE, Brazil.
,
Mariana Ribeiro Marcondes da Silveira 
1   Universidade de São Paulo, Faculdade de Medicina, Hospital das Clínicas, São Paulo SP, Brazil.
,
Lisiane Seguti 
4   Universidade de Brasília, Faculdade de Medicina, Área da Medicina da Criança e do Adolescente, Brasília DF, Brazil.
,
Mara Lúcia Schmitz Ferreira Santos 
5   Hospital Pequeno Príncipe, Departamento de Neurologia Pediátrica, Curitiba PR, Brazil.
,
Maria Augusta Montenegro 
6   University of California San Diego, Rady Children's Hospital, San Diego CA, United States.
,
Sérgio Antoniuk 
7   Universidade Federal do Paraná, Departamento de Pediatria, Curitiba PR, Brazil.
,
Maria Luíza Giraldes de Manreza 
1   Universidade de São Paulo, Faculdade de Medicina, Hospital das Clínicas, São Paulo SP, Brazil.
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Abstract

Background Infantile epileptic spasms syndrome (IESS) is a rare but severe condition affecting children early and is usually secondary to an identifiable brain disorder. It is related to psychomotor deterioration in childhood and epilepsy in adult life. Treatment is challenging as infantile spasms may not respond to most antiseizure medication, and relapse is frequent.

Objective To evaluate the literature regarding treatment of IESS and provide a practical guidance to a healthcare system with limited resources.

Methods An expert committee from the Brazilian Society of Child Neurology reviewed and discussed relevant scientific evidence in the treatment of IESS regarding the drugs available in Brazil.

Results Oral prednisolone and vigabatrin are the most common drugs used as first-line therapy; they are efficient and affordable therapy as both are available in the Brazilian unified health system (SUS, in the Portuguese acronym). Intramuscular adrenocorticotropic hormone (ACTH) presents similar efficacy as oral prednisolone but has a higher cost and is not available in Brazil. Other antiseizure medications such as topiramate, levetiracetam, or benzodiazepines have limited response and are prescribed as adjuvant therapy. If the health service has nutritionists, a ketogenic diet should be implemented for those not responding to hormonal and vigabatrin treatment. Epilepsy surgery is mainly indicated for patients with focal lesions that do not respond to pharmacological therapy.

Conclusion Early treatment of IESS with efficient drugs is feasible in our country. Using standard protocols increases the odds of achieving complete cessation in a shorter time and decreases relapse.

Resumo

Antecedentes A síndrome do espasmo epiléptico infantil (IESS) é uma condição rara, mas grave, que afeta crianças precocemente e geralmente é secundária a um distúrbio cerebral identificável, estando relacionada a deterioração psicomotora na infância e a epilepsia na vida adulta. O tratamento é desafiador, pois os espasmos infantis podem não responder à maioria dos medicamentos anticrises e as recidivas são frequentes.

Objetivo Avaliar a literatura sobre o tratamento de IESS e fornecer uma orientação prática para um sistema de saúde com recursos limitados.

Métodos Um comitê de especialistas da Sociedade Brasileira de Neurologia Infantil revisou e discutiu evidências científicas relevantes no tratamento da IESS em relação aos medicamentos disponíveis no Brasil.

Resultados Prednisolona oral e vigabatrina são os fármacos mais comumente usados como terapia de primeira linha; são eficientes e acessíveis, já que ambos estão disponíveis no sistema único de saúde brasileiro (SUS). O ACTH intramuscular apresenta eficácia semelhante à prednisolona oral, mas tem custo mais elevado e não está disponível no Brasil. Outros medicamentos anticonvulsivos, como topiramato, levetiracetam ou benzodiazepínicos, têm resposta limitada e são prescritos como terapia adjuvante. Se o serviço de saúde tiver nutricionista, deve-se implementar dieta cetogênica para aqueles que não respondem ao tratamento hormonal e vigabatrina. A cirurgia de epilepsia é indicada principalmente para pacientes com lesões focais que não respondem à terapia farmacológica.

Conclusão O tratamento precoce da IESS com fármacos eficazes é factível em nosso meio. O uso de protocolos padronizados aumenta as chances de alcançar a cessação completa em um tempo menor e diminui a recaída.

Keywords

Spasms, Infantile - Treatment - Epilepsy

Palavras-chave

Espasmos Infantis - Tratamento - Epilepsia

Authors' Contributions

LPBS was the project lead, responsible for the manuscript conceptualization, data curation, project administration, and text review and editing. All authors contributed equally on writing the original draft, reviewing and editing the manuscript for submission.


Support

The Brazilian Society of Child Neurology provided financial support for the writing assistance.




Publication History

Received: 23 January 2023

Accepted: 09 July 2023

Article published online:
04 October 2023

© 2023. Academia Brasileira de Neurologia. This is an open access article published by Thieme under the terms of the Creative Commons Attribution 4.0 International License, permitting copying and reproduction so long as the original work is given appropriate credit (https://creativecommons.org/licenses/by/4.0/)

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