<?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>0864-2176</journal-id>
<journal-title><![CDATA[Revista Cubana de Oftalmología]]></journal-title>
<abbrev-journal-title><![CDATA[Rev Cubana Oftalmol]]></abbrev-journal-title>
<issn>0864-2176</issn>
<publisher>
<publisher-name><![CDATA[Editorial Ciencias Médicas]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0864-21762022000300006</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Presión de perfusión ocular en sujetos sin enfermedad ocular]]></article-title>
<article-title xml:lang="en"><![CDATA[Ocular Perfusion Pressure in Subjects Without Ocular Disease]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pérez Marrero]]></surname>
<given-names><![CDATA[María Julia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bastidas Narváez]]></surname>
<given-names><![CDATA[Lorena Alejandra]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Velázquez Pinillos]]></surname>
<given-names><![CDATA[Niurka María]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Massip Nicot]]></surname>
<given-names><![CDATA[Juliette]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pérez Suárez]]></surname>
<given-names><![CDATA[Raúl Gabriel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Universitario &#8220;General Calixto García&#8221;  ]]></institution>
<addr-line><![CDATA[ La Habana]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Cubano de Oftalmología &#8220;Ramón Pando Ferrer&#8221;  ]]></institution>
<addr-line><![CDATA[ La Habana]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2022</year>
</pub-date>
<volume>35</volume>
<numero>3</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S0864-21762022000300006&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S0864-21762022000300006&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S0864-21762022000300006&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Objetivo:  Describir el comportamiento de la presión de perfusión ocular en sujetos sin enfermedad ocular.  Métodos:  Se realizó un estudio descriptivo transversal con sujetos sin enfermedad ocular de la consulta externa de Oftalmología del Hospital Universitario &#8220;General Calixto García&#8221;, entre enero y diciembre de 2019.  Resultados:  La mediana de presión intraocular del ojo derecho osciló entre 13,0-16,0 mmHg, y del ojo izquierdo entre 13,0-15,5 mmHg, durante todo el estudio. El valor máximo para ambos ojos se obtuvo a las 6:00 a. m. (madrugada). La mediana de presión arterial sistólica osciló entre 129,0-138,5 mmHg, y de diastólica entre 79,5-81,5 mmHg. El valor mínimo de presión arterial diastólica fue 53 mmHg a las 6:00 a. m. La mediana de presión de perfusión ocular del ojo derecho osciló entre 46,4 mmHg (12:00 a. m.) y 50,8 mmHg; y del ojo izquierdo entre 47,3 mmHg (6:00 a. m.) y 51,9 mmHg. El valor mínimo específico de presión de perfusión ocular fue 35 mmHg para ambos ojos, a las 6:00 a. m.  Conclusiones: La hipertensión arterial es el antecedente patológico personal más frecuente en la población estudiada y en ocasiones se producen cifras fuera de la normalidad, tanto elevadas como disminuidas, capaces de afectar la presión de perfusión ocular, sobre todo la diastólica baja. Sin embargo, las presiones de perfusión ocular se mantuvieron normales, probablemente, por mecanismos de autorregulación individuales.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Objective:  To describe the behavior of ocular perfusion pressure in subjects without ocular disease.  Methods:  A cross-sectional descriptive study was performed with subjects without ocular disease from the Ophthalmology outpatient clinic of the University Hospital "General Calixto García", between January and December 2019.  Results:  The median intraocular pressure of the right eye ranged between 13.0-16.0 mmHg, and of the left eye between 13.0-15.5 mmHg, throughout the study. The maximum value for both eyes was obtained at 6:00 a. m. (early morning). The median systolic blood pressure ranged from 129.0-138.5 mmHg, and diastolic from 79.5-81.5 mmHg. The minimum diastolic blood pressure value was 53 mmHg at 6:00 a.m. The median ocular perfusion pressure of the right eye ranged from 46.4 mmHg (12:00 a.m.) to 50.8 mmHg; and of the left eye from 47.3 mmHg (6:00 a.m.) to 51.9 mmHg. The minimum specific ocular perfusion pressure value was 35 mmHg for both eyes, at 6:00 a.m.  Conclusions:  Arterial hypertension is the most frequent personal pathologic antecedent in the population studied, and both elevated and decreased out-of-normal figures capable of affecting ocular perfusion pressure, especially low diastolic, occasionally occur. However, ocular perfusion pressures remained normal, probably due to individual autoregulatory mechanisms.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[presión de perfusión ocular]]></kwd>
<kwd lng="es"><![CDATA[flujo sanguíneo ocular]]></kwd>
<kwd lng="es"><![CDATA[nervio óptico]]></kwd>
<kwd lng="es"><![CDATA[presión intraocular]]></kwd>
<kwd lng="es"><![CDATA[presión arterial sistémica]]></kwd>
<kwd lng="en"><![CDATA[ocular perfusion pressure]]></kwd>
<kwd lng="en"><![CDATA[ocular blood flow]]></kwd>
<kwd lng="en"><![CDATA[optic nerve]]></kwd>
<kwd lng="en"><![CDATA[intraocular pressure]]></kwd>
<kwd lng="en"><![CDATA[systemic blood pressure]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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