<?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>1405-9940</journal-id>
<journal-title><![CDATA[Archivos de cardiología de México]]></journal-title>
<abbrev-journal-title><![CDATA[Arch. Cardiol. Méx.]]></abbrev-journal-title>
<issn>1405-9940</issn>
<publisher>
<publisher-name><![CDATA[Instituto Nacional de Cardiología Ignacio Chávez]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1405-99402019000200123</article-id>
<article-id pub-id-type="doi">10.24875/acm.m19000021</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Correlación del índice de perfusión con la repercusión del conducto arterioso en prematuros]]></article-title>
<article-title xml:lang="en"><![CDATA[Correlation of perfusion index with patent ductus arteriosus repercussion in premature newborns]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Navarro-Guzmán]]></surname>
<given-names><![CDATA[Eduardo A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ledezma-Bautista]]></surname>
<given-names><![CDATA[Iván]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rubio-Hernández]]></surname>
<given-names><![CDATA[Martha E.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Escalante-Padrón]]></surname>
<given-names><![CDATA[Francisco J.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lima-Roguel]]></surname>
<given-names><![CDATA[Victoria]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pierdant-Pérez]]></surname>
<given-names><![CDATA[Mauricio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Central Dr. Ignacio Morones Prieto  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Autónoma de San Luis Potosí  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Hospital Central Dr. Ignacio Morones Prieto  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2019</year>
</pub-date>
<volume>89</volume>
<numero>2</numero>
<fpage>123</fpage>
<lpage>129</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1405-99402019000200123&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1405-99402019000200123&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1405-99402019000200123&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Antecedentes: El conducto arterioso es una estructura necesaria en la circulación fetal, su persistencia puede provocar alteraciones hemodinámicas. El estándar de oro diagnóstico es la ecocardiografía, no siempre disponible. Las unidades de cuidados intensivos neonatales (UCIN) cuentan con oximetría de pulso, que mide el índice de perfusión (IP), el cual podría funcionar como auxiliar en el diagnóstico de persistencia del conducto arterioso hemodinámicamente significativo (PCAHs).  Objetivo: Correlacionar el incremento del índice de perfusión (&#916;IP) a las 24 y 72 h de vida extrauterina con PCAHs en recién nacidos prematuros de la UCIN de un hospital de segundo nivel.  Material y métodos: Estudio de cohorte analítico prospectivo donde se incluyeron neonatos de 26 a 34 semanas de gestación, sin comorbilidades, a quienes se les realizó ecocardiograma y medición de IP en brazo y pierna a las 24 y 72 h. Se efectuó análisis bivariante con Y2/prueba exacta de Fisher y t de Student/U de Mann-Whitney, además correlación de Spearman y regresión lineal para predicción de valores.  Resultados: Se incluyeron 39 prematuros. No se encontró diferencia significativa entre los pacientes sin y con PCAHs (mediana: 0.22 [0.06, 0.58] vs. 0.03 [–0.27, 0.2]; p = 0.09) a las 24 h de vida y tampoco a las 72 h de vida (mediana: 0.2 [0, 0.47] vs. 0.45 [–0.37, 0.76], p = 0.47). Se encontró una correlación positiva entre el diámetro del conducto arterioso (DCA) y el &#916;IP (r: 0.78; IC 95%: 0.60-0.88; p = 0.01). La fórmula de predicción por regresión lineal se expresa así: DCA = 1.31 + (2.05 x &#916;IP).  Conclusiones: El IP no permite discriminar entre pacientes sin y con PCAHs. El &#916;IP podría ser una herramienta para la monitorización del diámetro del conducto en neonatos después de las 72 h de vida.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Background: The ductus arteriosus is a necessary structure in fetal circulation, and its patency can produce hemodynamic alterations. The diagnostic gold standard is echocardiography, not always available. In the neonatal intensive care unit (NICU) they have pulse oximetry that measures perfusion index (PI), which could be used as a diagnostic tool in hemodynamic significant patent ductus arteriosus (HSPDA).  Objective: To correlate the perfusion index increment (&#916;PI) in 24 and 72 h after birth with HSPDA in premature newborns of NICU in a second level hospital.  Materials and methods: This is an analytic prospective study which included neonates of 26-34 weeks of gestational age, without comorbidities, who underwent echocardiography and measurement of PI in arm and leg, 24 and 72 h after birth. We did bivariate analysis with Y2/exact Fisher test and Student t-test/Mann-Whitney U test, besides Spearman correlation and linear regression for value prediction.  Results: We included 39 premature newborns. We did not find significant differences between patients without and with HSPDA (Median: 0.22 [0.06-0.58] vs. 0.03 [–0.27-0.2]; p = 0.09) at 24 h neither 72 h after birth (Median: 0.2 [0-0.47] vs. 0.45 [–0.37-0.76]; p = 0.47). We found a positive correlation between ductus arteriosus diameter (DAD) and &#916;PI (r: 0.78; CI 95%: 0.6-0.88; p = 0.01). The prediction formula with linear regression is expressed this way: DAD = 1.31 + (2.05 x &#916;IP).  Conclusions: The PI doesn´t allow us to discriminate between patient without and with HSPDA. The &#916;PI could be a tool for the monitorization of DAD in neonates 72 h after birth.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Conducto arterioso permeable]]></kwd>
<kwd lng="es"><![CDATA[Ecocardiografía]]></kwd>
<kwd lng="es"><![CDATA[Recién nacido prematuro]]></kwd>
<kwd lng="es"><![CDATA[Índice de perfusión]]></kwd>
<kwd lng="es"><![CDATA[México]]></kwd>
<kwd lng="en"><![CDATA[Patent ductus arteriosus]]></kwd>
<kwd lng="en"><![CDATA[Echocardiography]]></kwd>
<kwd lng="en"><![CDATA[Infant]]></kwd>
<kwd lng="en"><![CDATA[Newborn]]></kwd>
<kwd lng="en"><![CDATA[Perfusion index]]></kwd>
<kwd lng="en"><![CDATA[Mexico]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<label>1</label><nlm-citation citation-type="book">
<source><![CDATA[]]></source>
<year>2010</year>
<publisher-loc><![CDATA[México ]]></publisher-loc>
<publisher-name><![CDATA[Secretaría de Salud]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B2">
<label>2</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gillam-Krakauer]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Reese]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Diagnosis and management of patent ductus arteriosus]]></article-title>
<source><![CDATA[NeoReviews]]></source>
<year>2018</year>
<volume>19</volume>
<numero>7</numero>
<issue>7</issue>
<page-range>e394-402</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[Laughon]]></surname>
<given-names><![CDATA[MM]]></given-names>
</name>
<name>
<surname><![CDATA[Simmons]]></surname>
<given-names><![CDATA[MA]]></given-names>
</name>
<name>
<surname><![CDATA[Bose]]></surname>
<given-names><![CDATA[CL]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Patency of the ductus arteriosus in the premature infant:is it pathologic?Should it be treated?]]></article-title>
<source><![CDATA[Curr Opin Pediatr]]></source>
<year>2004</year>
<volume>16</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>146-51</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[Coceani]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Baragatti]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Mechanisms for ductus arteriosus closure]]></article-title>
<source><![CDATA[Semin Perinatol]]></source>
<year>2012</year>
<volume>36</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>92-7</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[Reese]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Laughon]]></surname>
<given-names><![CDATA[MM]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The patent ductus arteriosus problem:Infants who still need treatment]]></article-title>
<source><![CDATA[J Pediatr]]></source>
<year>2015</year>
<volume>167</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>954-6</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[Benitz]]></surname>
<given-names><![CDATA[WE]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Treatment of persistent patent ductus arteriosus in preterm infants:time to accept the null hypothesis?]]></article-title>
<source><![CDATA[J Perinatol]]></source>
<year>2010</year>
<volume>30</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>241-52</page-range></nlm-citation>
</ref>
<ref id="B7">
<label>7</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sehgal]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[McNamara]]></surname>
<given-names><![CDATA[PJ]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Does echocardiography facilitate determination of hemodynamic significance attributable to the ductus arteriosus?]]></article-title>
<source><![CDATA[Eur J Pediatr]]></source>
<year>2009</year>
<volume>168</volume>
<numero>8</numero>
<issue>8</issue>
<page-range>907-14</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[Zonnenberg]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
<name>
<surname><![CDATA[de Waal]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The definition of a haemodynamic significant duct in randomized controlled trials:a systematic literature review]]></article-title>
<source><![CDATA[Acta Paediatr]]></source>
<year>2011</year>
<volume>101</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>247-51</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[Piasek]]></surname>
<given-names><![CDATA[CZ]]></given-names>
</name>
<name>
<surname><![CDATA[Bel]]></surname>
<given-names><![CDATA[FV]]></given-names>
</name>
<name>
<surname><![CDATA[Sola]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Perfusion index in newborn infants:a noninvasive tool for neonatal monitoring]]></article-title>
<source><![CDATA[Acta Paediatr]]></source>
<year>2014</year>
<volume>103</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>468-73</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[Alderliesten]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Lemmers]]></surname>
<given-names><![CDATA[PMA]]></given-names>
</name>
<name>
<surname><![CDATA[Baerts]]></surname>
<given-names><![CDATA[W]]></given-names>
</name>
<name>
<surname><![CDATA[Groenendaal]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[van Bel]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Perfusion index in preterm infants during the first 3 days of life:Reference values and relation with clinical variables]]></article-title>
<source><![CDATA[Neonatology]]></source>
<year>2015</year>
<volume>107</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>258-65</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[Cresi]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Pelle]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Calabrese]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Costa]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Farinasso]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Silvestro]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Perfusion index variations in clinically and hemodynamically stable preterm newborns in the first week of life]]></article-title>
<source><![CDATA[Ital J Pediatr]]></source>
<year>2010</year>
<volume>36</volume>
<page-range>6</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[Felice]]></surname>
<given-names><![CDATA[CD]]></given-names>
</name>
<name>
<surname><![CDATA[Latini]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Vacca]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Kopotic]]></surname>
<given-names><![CDATA[RJ]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The pulse oximeter perfusion index as a predictor for high illness severity in neonates]]></article-title>
<source><![CDATA[Eur J Pediatr]]></source>
<year>2002</year>
<volume>161</volume>
<numero>10</numero>
<issue>10</issue>
<page-range>561-2</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[Vidal]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Ferragu]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Durand]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Baleine]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Batista-Novais]]></surname>
<given-names><![CDATA[AR]]></given-names>
</name>
<name>
<surname><![CDATA[Cambonie]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Perfusion index and its dynamic changes in preterm neonates with patent ductus arteriosus]]></article-title>
<source><![CDATA[Acta Paediatr]]></source>
<year>2013</year>
<volume>102</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>373-8</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[Khositseth]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Muangyod]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Nuntnarumit]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Perfusion index as a diagnostic tool for patent ductus arteriosus in preterm infants]]></article-title>
<source><![CDATA[Neonatology]]></source>
<year>2013</year>
<volume>104</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>250-4</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[Balla]]></surname>
<given-names><![CDATA[KC]]></given-names>
</name>
<name>
<surname><![CDATA[John]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
<name>
<surname><![CDATA[Rao]]></surname>
<given-names><![CDATA[PN S]]></given-names>
</name>
<name>
<surname><![CDATA[Varghese]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Perfusion index—Bedside diagnosis of hemodynamically significant patent ductus arteriosus]]></article-title>
<source><![CDATA[J Trop Pediatr]]></source>
<year>2016</year>
<volume>62</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>263-8</page-range></nlm-citation>
</ref>
<ref id="B16">
<label>16</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gomez-Pomar]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Makhoul]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Westgate]]></surname>
<given-names><![CDATA[PM]]></given-names>
</name>
<name>
<surname><![CDATA[Ibonia]]></surname>
<given-names><![CDATA[KT]]></given-names>
</name>
<name>
<surname><![CDATA[Patwardhan]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Giannone]]></surname>
<given-names><![CDATA[PJ]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Relationship between perfusion index and patent ductus arteriosus in preterm infants]]></article-title>
<source><![CDATA[Pediatr Res]]></source>
<year>2017</year>
<volume>81</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>775-9</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
