<?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>2078-7170</journal-id>
<journal-title><![CDATA[CorSalud]]></journal-title>
<abbrev-journal-title><![CDATA[CorSalud]]></abbrev-journal-title>
<issn>2078-7170</issn>
<publisher>
<publisher-name><![CDATA[Cardiocentro Ernesto Che Guevara]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2078-71702021000200195</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Síndrome de QT largo en la embarazada con el uso de la oxitocina]]></article-title>
<article-title xml:lang="en"><![CDATA[Long QT syndrome in pregnant women related to oxytocin administration]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Estévez Rubido]]></surname>
<given-names><![CDATA[Yosleivy]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Domínguez Sánchez]]></surname>
<given-names><![CDATA[Ramona]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Padilla Bacallao]]></surname>
<given-names><![CDATA[Tania D.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pérez Caballero]]></surname>
<given-names><![CDATA[Dayana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Fernández Rodríguez]]></surname>
<given-names><![CDATA[Yoleidys]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Guerra Ortega]]></surname>
<given-names><![CDATA[Rubén]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Estévez Rubido]]></surname>
<given-names><![CDATA[Misleidy]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martínez Hermida]]></surname>
<given-names><![CDATA[Lianybet]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cabrera Delgado]]></surname>
<given-names><![CDATA[María R.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Universitario Gineco-Obstétrico Mariana Grajales Departamento de Cardiología Universidad de Ciencias Médicas de Villa Clara]]></institution>
<addr-line><![CDATA[Santa Clara Villa Clara]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital Universitario Gineco-Obstétrico Mariana Grajales Servicio de Anestesiología y Reanimación Universidad de Ciencias Médicas de Villa Clara]]></institution>
<addr-line><![CDATA[Santa Clara Villa Clara]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad de Ciencias Médicas de Villa Clara Policlínico Docente 50 Aniversario de Manicaragua ]]></institution>
<addr-line><![CDATA[Santa Clara Villa Clara]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Hospital General Docente Mártires del 9 de Abril  ]]></institution>
<addr-line><![CDATA[Sagua la Grande Villa Clara]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Hospital Universitario Gineco-Obstétrico Mariana Grajales Servicio de Ginecología y Obstetricia Universidad de Ciencias Médicas de Villa Clara]]></institution>
<addr-line><![CDATA[Santa Clara Villa Clara]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2021</year>
</pub-date>
<volume>13</volume>
<numero>2</numero>
<fpage>195</fpage>
<lpage>199</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S2078-71702021000200195&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S2078-71702021000200195&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S2078-71702021000200195&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción:  Los síndromes de QT largo adquiridos pueden ser provocados por el uso de fármacos, dentro de los cuales se encuentra la oxitocina.  Objetivo:  Identificar los cambios electrocardiográficos con el uso de la oxitocina intravenosa en la embarazada.  Método: Se realizó un estudio descriptivo-prospectivo con 57 embarazadas a las que se les realizó cesárea electiva y se le administró oxitocina, inmediatamente después de la extracción fetal, en el Hospital Universitario Gineco-Obstétrico Mariana Grajales de Villa Clara, Cuba, durante el período de septiembre de 2019 a enero de 2020.  Resultados:  El 63,2% de las pacientes tuvo un QT corregido &lt; 460 milisegundos (ms) después de administrada la oxitocina y 24,6% &gt; 470 ms; en estas últimas, un 5,3% lo tuvo entre 481-500 ms, e igual porcentaje &gt; 500 ms. Ninguna paciente presentó síntomas sugestivos o demostración electrocardiográfica de taquicardia ventricular u otras arritmias complejas.  Conclusiones:  La oxitocina, administrada en el período de alumbramiento, produjo prolongación del intervalo QT por encima de los valores normales en algunas pacientes, sin que se produjeran síntomas cardiovasculares, dispersión del QT o arritmias complejas.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introducción:  Acquired long QT syndromes may be due to the use of drugs, within which oxytocin is included.  Objetivo:  To identify electrocardiographic disturbances related to intravenous oxytocin administration in pregnant women.  Método:  A descriptive-prospective study was conducted with 57 pregnant women who underwent elective caesarean section and were given oxytocin, immediately after fetal extraction, at the Hospital Universitario Gineco-Obstétrico Mariana Grajales in Villa Clara, Cuba, between September 2019 and January 2020.  Resultados:  The 63.2% of the patients had a corrected QT interval &lt; 460 milliseconds (ms) after oxytocin administration, and 24.6% &gt; 470 ms; in the latter, 5.3% had it between 481-500 ms, and equal percentage &gt; 500 ms. No patient presented suggestive symptoms or electrocardiographic demonstration of ventricular tachycardia or other complex arrhythmias  Conclusiones:  Oxytocin, given during the placental removal period, resulted in the prolongation of the QT interval above normal values in some patients, without the appearance of cardiovascular symptoms, QT interval dispersion or complex arrhythmias.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Síndrome de QT largo]]></kwd>
<kwd lng="es"><![CDATA[Oxitocina]]></kwd>
<kwd lng="es"><![CDATA[Embarazo]]></kwd>
<kwd lng="es"><![CDATA[Parto por cesárea]]></kwd>
<kwd lng="en"><![CDATA[Long QT Syndrome]]></kwd>
<kwd lng="en"><![CDATA[Oxytocin]]></kwd>
<kwd lng="en"><![CDATA[Pregnancy]]></kwd>
<kwd lng="en"><![CDATA[Cesarean delivery]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<label>1</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Buller Viqueira]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Cabello Pulido]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Ibáñez]]></surname>
<given-names><![CDATA[MJ]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Torsade de pointes]]></article-title>
<source><![CDATA[Rev Clín Med Fam]]></source>
<year>2016</year>
<volume>9</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>63-7</page-range></nlm-citation>
</ref>
<ref id="B2">
<label>2</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Carreras Calvo]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Castellanos Rojas]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Perozo Panicello]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Ramírez Lana]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Síndrome del QT largo y muerte súbita cardiovascular]]></article-title>
<source><![CDATA[AMC]]></source>
<year>2015</year>
<volume>19</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>279-87</page-range></nlm-citation>
</ref>
<ref id="B3">
<label>3</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ramalho]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Freitas]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Drug-induced life-threatening arrhythmias and sudden cardiac death A clinical perspective of long QT, short QT and Brugada syndromes]]></article-title>
<source><![CDATA[Rev Port Cardiol]]></source>
<year>2018</year>
<volume>37</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>435-46</page-range></nlm-citation>
</ref>
<ref id="B4">
<label>4</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Awamleh García]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Alonso Martín]]></surname>
<given-names><![CDATA[JJ]]></given-names>
</name>
<name>
<surname><![CDATA[Graupner Abad]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Jiménez Hernández]]></surname>
<given-names><![CDATA[RM]]></given-names>
</name>
<name>
<surname><![CDATA[Curcio Ruigómez]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Talavera Calle]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Prevalencia de patrones electrocardiográficos asociados a muerte súbita en la población española de 40 años o más Resultados del estudio OFRECE]]></article-title>
<source><![CDATA[Rev Esp Cardiol]]></source>
<year>2017</year>
<volume>70</volume>
<numero>10</numero>
<issue>10</issue>
<page-range>801-7</page-range></nlm-citation>
</ref>
<ref id="B5">
<label>5</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Nieto-Marín]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Jiménez-Jáimez]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Tinaquero]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Alfayate]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Utrilla]]></surname>
<given-names><![CDATA[RG]]></given-names>
</name>
<name>
<surname><![CDATA[Rodríguez Vázquez Del Rey]]></surname>
<given-names><![CDATA[MM]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[La expresividad variable del síndrome de QT largo de una familia española se explica por la heterocigosis digénica en SCN5A y CACNA1C]]></article-title>
<source><![CDATA[Rev Esp Cardiol]]></source>
<year>2019</year>
<volume>72</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>324-32</page-range></nlm-citation>
</ref>
<ref id="B6">
<label>6</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fernández Delgado]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Cruz Boza]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Cabrera Pratts]]></surname>
<given-names><![CDATA[AJ]]></given-names>
</name>
<name>
<surname><![CDATA[Suárez López]]></surname>
<given-names><![CDATA[JM]]></given-names>
</name>
<name>
<surname><![CDATA[Hernández Ortega]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Factores de riesgo asociados a síndrome QT largo en anestesia cardiovascular]]></article-title>
<source><![CDATA[Rev Cuba Anestesiol Reanim]]></source>
<year>2017</year>
<volume>16</volume>
<numero>3</numero>
<issue>3</issue>
</nlm-citation>
</ref>
<ref id="B7">
<label>7</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Chávez González]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[El intervalo QT, su origen e importancia del conocimiento de fórmulas para su medición en diferentes circunstancias clínicas]]></article-title>
<source><![CDATA[CorSalud]]></source>
<year>2014</year>
<volume>6</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>79-85</page-range></nlm-citation>
</ref>
<ref id="B8">
<label>8</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Acoltzin-Vidal]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Rabling-Arellanos]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Retraso de la rama descendente de la onda T en electrocardiogramas sin datos de riesgo aparente de muerte súbita]]></article-title>
<source><![CDATA[Gac Med Mex]]></source>
<year>2018</year>
<volume>154</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>198-201</page-range></nlm-citation>
</ref>
<ref id="B9">
<label>9</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Muñoz-Esparza]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Zorio]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Domingo Valero]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Peñafiel-Verdú]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Sánchez-Muñoz]]></surname>
<given-names><![CDATA[JJ]]></given-names>
</name>
<name>
<surname><![CDATA[García-Molina]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Valor del "test de bipedestación" en el diagnóstico y la evaluación de la respuesta al tratamiento con bloqueadores beta en el síndrome de QT largo]]></article-title>
<source><![CDATA[Rev Esp Cardiol]]></source>
<year>2017</year>
<volume>70</volume>
<numero>11</numero>
<issue>11</issue>
<page-range>907-14</page-range></nlm-citation>
</ref>
<ref id="B10">
<label>10</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Martillotti]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Talajic]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Rey]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Leduc]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Long QT syndrome in pregnancy are vaginal delivery and use of oxytocin permitted? A case report]]></article-title>
<source><![CDATA[J Obstet Gynaecol Can]]></source>
<year>2012</year>
<volume>34</volume>
<numero>11</numero>
<issue>11</issue>
<page-range>1073-6</page-range></nlm-citation>
</ref>
<ref id="B11">
<label>11</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Liou]]></surname>
<given-names><![CDATA[SC]]></given-names>
</name>
<name>
<surname><![CDATA[Chen]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Wong]]></surname>
<given-names><![CDATA[SY]]></given-names>
</name>
<name>
<surname><![CDATA[Wong]]></surname>
<given-names><![CDATA[KM]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Ventricular tachycardia after oxytocin injection in patients with prolonged Q-T interval syndrome - Report of two cases]]></article-title>
<source><![CDATA[Acta Anaesthesiol Sin]]></source>
<year>1998</year>
<volume>36</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>49-52</page-range></nlm-citation>
</ref>
<ref id="B12">
<label>12</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Córdova]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Mela]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Gresa]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[El síndrome de QT largo en anestesia Una revisión a partir de un caso clínico]]></article-title>
<source><![CDATA[Rev Chil Anest]]></source>
<year>2015</year>
<volume>44</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>131-46</page-range></nlm-citation>
</ref>
<ref id="B13">
<label>13</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Charbit]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Funck-Brentano]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Samain]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Jannier-Guillou]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
<name>
<surname><![CDATA[Albaladejo]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Marty]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[QT interval prolongation after oxytocin bolus during surgical induced abortion]]></article-title>
<source><![CDATA[Clin Pharmacol Ther]]></source>
<year>2004</year>
<volume>76</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>359-64</page-range></nlm-citation>
</ref>
<ref id="B14">
<label>14</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Guillon]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Leyre]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Remérand]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Taihlan]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Perrotin]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Fusciardi]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Laffon]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Modification of Tp-e and QTc intervals during caesarean section under spinal anaesthesia]]></article-title>
<source><![CDATA[Anaesthesia]]></source>
<year>2010</year>
<volume>65</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>337-42</page-range></nlm-citation>
</ref>
<ref id="B15">
<label>15</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Dorantes Sánchez]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Despolarización y repolarización ventriculares para estratificar riesgo de arritmias ventriculares malignas y muerte súbita.]]></article-title>
<source><![CDATA[CorSalud]]></source>
<year>2018</year>
<volume>10</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>266-9</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
