<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>1688-1249</journal-id>
<journal-title><![CDATA[Archivos de Pediatría del Uruguay]]></journal-title>
<abbrev-journal-title><![CDATA[Arch. Pediatr. Urug.]]></abbrev-journal-title>
<issn>1688-1249</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Uruguaya de Pediatría]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1688-12492018000400004</article-id>
<article-id pub-id-type="doi">10.31134/ap.89.s1.1</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Resultados del estudio electrofisiológico y ablación en niños de hasta 13 años con técnica mínimamente invasiva]]></article-title>
<article-title xml:lang="en"><![CDATA[Results of the electrophysiology study and catheter ablation procedure in children up to 13 years with minimally invasive technique]]></article-title>
<article-title xml:lang="pt"><![CDATA[Resultados do estudo eletrofisiológico e da ablação em crianças com até 13 anos de idade utilizando técnica minimamente invasiva]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cuesta]]></surname>
<given-names><![CDATA[Alejandro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Chiesa]]></surname>
<given-names><![CDATA[Pedro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Segura]]></surname>
<given-names><![CDATA[Gonzalo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Massaferro]]></surname>
<given-names><![CDATA[Sebastián]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bianchi]]></surname>
<given-names><![CDATA[Domingo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[López]]></surname>
<given-names><![CDATA[Albanie]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,ICI Servicio Estudios y Tratamiento de Arritmias. SETA ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<aff id="Af2">
<institution><![CDATA[,ICI  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<aff id="Af3">
<institution><![CDATA[,ICI SETA Estimulación Cardíaca]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<aff id="Af4">
<institution><![CDATA[,ICI SETA ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<aff id="Af5">
<institution><![CDATA[,ICI  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<aff id="Af6">
<institution><![CDATA[,ICI Servicio Anestesia ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2018</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2018</year>
</pub-date>
<volume>89</volume>
<fpage>4</fpage>
<lpage>15</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.edu.uy/scielo.php?script=sci_arttext&amp;pid=S1688-12492018000400004&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.edu.uy/scielo.php?script=sci_abstract&amp;pid=S1688-12492018000400004&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.edu.uy/scielo.php?script=sci_pdf&amp;pid=S1688-12492018000400004&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: El estudio electrofisiológico (EEF) y la ablación en niños son eficaces y están internacionalmente bien pautados. Clásicamente se utilizan tres a cinco accesos vasculares y catéteres endovasculares (CEVs). Propusimos un protocolo simplificado para reducir la cantidad y con ello las complicaciones. Quisimos evaluar los resultados obtenidos.  Material y método:  realizamos un estudio descriptivo, prospectivo, longitudinal, de 120 pacientes consecutivos de hasta 13 años, sin cardiopatía estructural. El protocolo se basa en utilizar un registro esofágico (RIE) cuando es de utilidad, tener la imagen radiológica en pantalla de la posición del His e ir moviendo un CEV a la posición necesaria cada momento.  Resultados:  la edad osciló entre 7 meses y 13 años (media=9,5 años) y 72 (62%) eran varones. En 101 (84%) se intentó una ablación y en 19 (16%) EEF. El 70% de las ablaciones fueron por una vía accesoria, 25% por una reentrada nodal y 5% otras causas. El tiempo total de procedimiento fue 104 ± 55 minutos. En 58 niños se intentó RIE y en 57 se logró. El 42% de las ablaciones se hicieron con un solo acceso y 94% con uno o dos CEVs. En seis casos complejos se requirieron tres CEVs y en ninguno, cuatro. Hubo 15 que requirieron más de dos accesos. La ablación fue efectiva en 94%, y seguidos 51±22 meses hubo 6 (6%) recurrencias. Un paciente hizo una pericarditis, no hubo complicaciones vasculares, eléctricas ni otras.  Conclusiones:  con este protocolo se obtuvieron resultados similares a las series convencionales, con un número muy bajo de accesos, catéteres y complicaciones.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Summary: The electrophysiology study (EPS) and ablation procedure in children are effective and internationally well-defined techniques. They typically use 3 to 5 vascular accesses and endovascular catheters (EVC). We proposed a simplified protocol to reduce these numbers and thus, reduce complications. The study aimed to evaluate the results obtained.  Method:  we performed a descriptive, prospective, longitudinal study over 120 consecutive patients up to 13 years of age, with no structural heart disease. The protocol consists in using an esophageal record (IER) when it is useful, having the radiological image of its position on the screen and in continuing to move an EVC to the required position at each time.  Results:  age ranged between 7 months and 13 years (mean = 9.5) and 72 (62%) children were male. In 101 (84%) an ablation was attempted and in 19 (16%) EPS. 70% of the ablations were done for accessory pathways, 25% for nodal reentry tachycardia and 5% others causes. The total time of the procedure was 104 ± 55 minutes. In 58 children an IAR was attempted and in 57 it was achieved. In 42% of cases the ablation was made with 1 single access and 94% with 1 or 2 EVCs. In 6 complex cases 3 EVCs were required and 4 in none. There were 15 cases that required &gt;2 accesses. The ablation was effective in 94%. During 51 ± 22 months of follow-up there were 6 (6%) recurrences. One patient had pericarditis, there were no vascular, electrical, or other complications.  Conclusions: with this protocol the results are similar to the conventional series, using a very low number of accesses, catheters and complications rate.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo: O estudo eletrofisiológico (EPS) e a ablação em crianças são procedimentos eficazes e internacionalmente bem estabelecidos. Tipicamente utilizam-se 3 a 5 acessos vasculares e cateteres endovasculares (CEVs). Propusemos um protocolo simplificado para reduzir a quantidade e com isso as complicações com o fim de avaliar os resultados obtidos.  Métodos:  realizou-se um estudo longitudinal descritivo, prospectivo, de 120 pacientes consecutivos com até 13 anos de idade, sem cardiopatia estrutural. O protocolo consiste na utilizacao dum registro esofágico (EIR) quando resultar útil, uma imagem radiológica na tela que mostra posição de His e a movimentacao do CEV para a posição necessária a cada momento.  Resultados:  a idade variou de 7 meses a 13 anos (média = 9,5 anos). 72 (62%) dos pacientes eram do sexo masculino. 101 (84%) pacientes receberam uma ablação e 19 (16%) o FES. 70% das ablações foram por via acessória, 25% por reentrada nodal e 5% por outras causas. O tempo total do procedimento foi de 104 ± 55 minutos. O RIE se tentou em 58 crianças e se conseguiu em 57. 42% das ablações foram feitas com 1 acesso único e 94% com 1 ou 2 CEVs. Em 6 casos complexos, foram necessários 3 CEVs e em nenhum caso foram necessários 4. 15 casos necessitaram de mais de 2 acessos. A ablação foi eficaz em 94% dos casos e, após do seguimento de 51 ± 22 meses, houve 6 (6%) recorrências. Um paciente apresentou pericardite, más sem complicações vasculares, elétricas ou de outro tipo.  Conclusões:  obtivemos resultados semelhantes com este protocolo para as séries convencionais, com um número muito baixo de acessos, cateteres ou complicações.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Arritmias cardíacas]]></kwd>
<kwd lng="es"><![CDATA[Técnicas electrofisiológicas cardíacas]]></kwd>
<kwd lng="es"><![CDATA[Ablación por catéter]]></kwd>
<kwd lng="es"><![CDATA[Niño]]></kwd>
<kwd lng="en"><![CDATA[Cardiac arrhythmias]]></kwd>
<kwd lng="en"><![CDATA[Cardiac electrophysiologic techniques]]></kwd>
<kwd lng="en"><![CDATA[Catheter ablation]]></kwd>
<kwd lng="en"><![CDATA[Child]]></kwd>
<kwd lng="pt"><![CDATA[Arritmias cardíacas]]></kwd>
<kwd lng="pt"><![CDATA[Técnicas eletrofisiológicas cardíacas]]></kwd>
<kwd lng="pt"><![CDATA[Ablação por cateter]]></kwd>
<kwd lng="pt"><![CDATA[Criança]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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