<?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>2604-1227</journal-id>
<journal-title><![CDATA[Revista mexicana de oftalmología]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. mex. oftalmol]]></abbrev-journal-title>
<issn>2604-1227</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Mexicana de Oftalmología A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2604-12272021000500193</article-id>
<article-id pub-id-type="doi">10.24875/rmo.m21000182</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Estudio de la concordancia en el recuento endotelial tras cirugía de catarata realizada por cirujanos noveles o expertos]]></article-title>
<article-title xml:lang="en"><![CDATA[Study of concordance in endothelial cell count after cataract surgery performed by novice or expert surgeons]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Alonso-Martín]]></surname>
<given-names><![CDATA[Beatriz]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Herranz-Heras]]></surname>
<given-names><![CDATA[Juan C.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cañas-Zamarra]]></surname>
<given-names><![CDATA[Ignacio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernando-Portela]]></surname>
<given-names><![CDATA[María]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Redondo-Martínez]]></surname>
<given-names><![CDATA[Elena]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sierra-Torres]]></surname>
<given-names><![CDATA[Rosa María]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gómez-de la Cámara]]></surname>
<given-names><![CDATA[Agustín]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sarmiento-Torres]]></surname>
<given-names><![CDATA[Beatriz]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Universitario 12 de Octubre Servicio de Oftalmología ]]></institution>
<addr-line><![CDATA[Madrid ]]></addr-line>
<country>España</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital Universitario 12 de Octubre Instituto de investigación i+12 ]]></institution>
<addr-line><![CDATA[Madrid ]]></addr-line>
<country>España</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>10</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>10</month>
<year>2021</year>
</pub-date>
<volume>95</volume>
<numero>5</numero>
<fpage>193</fpage>
<lpage>202</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2604-12272021000500193&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2604-12272021000500193&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2604-12272021000500193&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Objetivo: Evaluar la pérdida celular endotelial en pacientes operados mediante facoemulsificación de catarata no complicada, comparando datos de cirujanos noveles y cirujanos expertos.  Método: Se realizó un estudio observacional y prospectivo en el que se evaluaron 50 ojos consecutivos aleatorizados en dos grupos de 25 ojos cada uno. Se realizó a cada ojo recuento de células endoteliales mediante microscopía especular preoperatoriamente y al mes de la cirugía. Los ojos con cataratas complicadas fueron excluidos.  Resultados: La mayoría de los pacientes eran mujeres, con una edad media de 75.5 años. La disminución de la densidad celular al mes de la cirugía fue significativa tanto en ojos operados por cirujanos expertos como por cirujanos noveles, con una pérdida del 14.8% y el 15.6%, respectivamente, sin diferencia estadísticamente significativa (p = 0.491). Además, la correlación entre la pérdida de ambos grupos fue de 0.58 (p = 0.0094). La pérdida celular en ojos operados por cirujanos noveles demostró una buena correlación (0.577) con la energía acumulada disipada del ultrasonido durante la facoemulsificación (p = 0.0025), frente a los expertos, en los que no pudo demostrarse esta asociación. El total de energía acumulada disipada empleada por cirujanos noveles fue significativamente mayor (p = 0.045), un 63% más que los expertos.  Conclusiones: La diferencia en el recuento endotelial tras cirugía de catarata se demuestra asociada a la propia cirugía, con cifras similares para cirujanos noveles y expertos, y se observa una buena correlación entre ambos grupos. Teniendo en cuenta la pérdida de celularidad endotelial corneal, la seguridad del procedimiento realizado por cirujanos noveles es equivalente a la del realizado por expertos.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Objective: To evaluate endothelial cell loss in patients after uncomplicated phacoemulsification comparing data from novice surgeons and expert surgeons.  Method: An observational and prospective study was conducted in which 50 consecutive randomized eyes were evaluated in two groups of 25 eyes each. An endothelial cell count with specular microscopy was performed preoperatively and one month after surgery. Eyes with complicated cataracts were excluded.  Results: Most of the patients were women, with a mean age of 75.5 years. The decrease in endothelial cell density one month after surgery was significant both in eyes operated by expert surgeons and novice surgeons, with a loss of 14.8% and 15.6%, respectively, with no statistically significant difference (p = 0.491). Furthermore, the correlation between both groups was 0.58 (p = 0.0094). Cell loss in eyes operated by novice surgeons showed a good correlation (0.577) with the cumulative dissipated energy during phacoemulsification (p = 0.0025), contrary to the results obtained with expert surgeons where this correlation could not be demonstrated. The total cumulative dissipated energy used by novice surgeons was significantly higher (p = 0.045); 63% more than expert surgeons.  Conclusions: Phacoemulsification resulted in significant corneal endothelial cell damage with similar figures for both groups, showing a good correlation between them. Concerning endothelial cell loss, the safety of the procedure performed by novice surgeons is equivalent to that performed by experts.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Células endoteliales]]></kwd>
<kwd lng="es"><![CDATA[Microscopía]]></kwd>
<kwd lng="es"><![CDATA[Facoemulsificación]]></kwd>
<kwd lng="es"><![CDATA[Catarata]]></kwd>
<kwd lng="es"><![CDATA[Seguridad]]></kwd>
<kwd lng="es"><![CDATA[Cirujano]]></kwd>
<kwd lng="en"><![CDATA[Endothelial cell]]></kwd>
<kwd lng="en"><![CDATA[Microscopy]]></kwd>
<kwd lng="en"><![CDATA[Phacoemulsification]]></kwd>
<kwd lng="en"><![CDATA[Cataract]]></kwd>
<kwd lng="en"><![CDATA[Safety]]></kwd>
<kwd lng="en"><![CDATA[Surgeon]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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