<?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>0034-7523</journal-id>
<journal-title><![CDATA[Revista Cubana de Medicina]]></journal-title>
<abbrev-journal-title><![CDATA[Rev cubana med]]></abbrev-journal-title>
<issn>0034-7523</issn>
<publisher>
<publisher-name><![CDATA[Centro Nacional de Información de Ciencias MédicasEditorial Ciencias Médicas]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0034-75232022000100005</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Frecuencia de hipertensión pulmonar en pacientes con enfermedad pulmonar obstructiva crónica]]></article-title>
<article-title xml:lang="en"><![CDATA[Frequency of pulmonary hypertension in patients with chronic obstructive pulmonary disease]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Toquica Scott]]></surname>
<given-names><![CDATA[Nubia Elizabeth]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sarduy Paneque]]></surname>
<given-names><![CDATA[Manuel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Oramas Delgado]]></surname>
<given-names><![CDATA[Miguel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hechavarría Pouymiró]]></surname>
<given-names><![CDATA[Sheila]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Neumológico Benéfico Jurídico  ]]></institution>
<addr-line><![CDATA[ La Habana]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto de Cardiología y Cirugía Cardiovascular  ]]></institution>
<addr-line><![CDATA[ La Habana]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2022</year>
</pub-date>
<volume>61</volume>
<numero>1</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S0034-75232022000100005&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S0034-75232022000100005&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S0034-75232022000100005&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción:  La enfermedad pulmonar obstructiva crónica es uno de los padecimientos pulmonares más frecuente a nivel mundial. Tiene repercusión sobre la mortalidad, causa importante discapacidad y afecta un número considerable de sujetos en edad productiva. La hipertensión pulmonar es una complicación usual de las enfermedades respiratorias crónicas y en particular de la pulmonar obstructiva crónica.  Objetivo:  Caracterizar a pacientes con enfermedad pulmonar obstructiva crónica y sospecha de hipertensión pulmonar.  Métodos:  Se realizó un estudio descriptivo, prospectivo en 50 pacientes atendidos en el Hospital Neumológico Benéfico Jurídico desde noviembre 2016 a enero 2018. Se analizaron variables tales como la edad, el sexo, la prueba de función ventilatoria, la radiografía de tórax, el electrocardiograma y el ecocardiograma.  Resultados:  De 700 pacientes portadores de enfermedad pulmonar crónica, se sospechó hipertensión pulmonar en 7 % y fue confirmada en 34. Las frecuencias por sexo fueron similares y primaron los mayores de 60 años. El 41,6 % de los pacientes tuvo afectación respiratoria severa, 70,6 % presentó hipertensión pulmonar ligera y 64,7 % tenía disnea grado 3. Los índices kappa entre las técnicas utilizadas para el diagnóstico de la hipertensión pulmonar superaron la cifra de 0,74.  Conclusiones:  La frecuencia de hipertensión pulmonar en pacientes con enfermedad pulmonar obstructiva crónica fue elevada. Primaron pacientes con afectación severa de la función respiratoria e hipertensión pulmonar ligera. El grado de enfermedad pulmonar obstructiva crónica no determinó la severidad de hipertensión pulmonar. Los mayores valores de concordancia entre las técnicas diagnósticas se obtuvieron para la radiografía y el ecocardiograma.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction:  Chronic obstructive pulmonary disease is one of the most frequent, worldwide. It has impact on mortality, causing significant disability and affecting a considerable number of subjects of productive age. Pulmonary hypertension is a common complication of chronic respiratory diseases, particularly chronic obstructive pulmonary disease.  Objective:  To describe patients with chronic obstructive pulmonary disease and suspected pulmonary hypertension.  Methods:  A descriptive, prospective study was carried out in 50 patients treated at Benéfico Jurídico Pneumological Hospital from November 2016 to January 2018. Variables such as age, sex, ventilatory function test, chest X-ray, electrocardiogram and the echocardiogram were analyzed.  Results:  Out of 700 patients with chronic lung disease, pulmonary hypertension was suspected in 7% and confirmed in 34. The frequencies by sex were similar and those older than 60 years prevailed. 41.6% of the patients had severe respiratory involvement, 70.6% had mild pulmonary hypertension and 64.7% had grade 3 dyspnea. The kappa indices between the techniques used for the diagnosis of pulmonary hypertension exceeded the figure of 0.74.  Conclusions:  The frequency of pulmonary hypertension in patients with chronic obstructive pulmonary disease was high. Patients with severe impairment of respiratory function and mild pulmonary hypertension predominated. The degree of chronic obstructive pulmonary disease did not determine the severity of pulmonary hypertension. The highest concordance values between diagnostic techniques were obtained for radiography and echocardiography.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[EPOC]]></kwd>
<kwd lng="es"><![CDATA[espirometría]]></kwd>
<kwd lng="es"><![CDATA[hipertensión pulmonar]]></kwd>
<kwd lng="es"><![CDATA[ecocardiografía]]></kwd>
<kwd lng="en"><![CDATA[COPD]]></kwd>
<kwd lng="en"><![CDATA[spirometry]]></kwd>
<kwd lng="en"><![CDATA[pulmonary hypertension]]></kwd>
<kwd lng="en"><![CDATA[echocardiography]]></kwd>
</kwd-group>
</article-meta>
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