<?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>S1405-99402021000400500</article-id>
<article-id pub-id-type="doi">10.24875/acm.20000447</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Exposición crónica a la altura. Características clínicas y diagnóstico]]></article-title>
<article-title xml:lang="en"><![CDATA[Chronic exposure to altitude. Clinical characteristics and diagnosis]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Santos-Martínez]]></surname>
<given-names><![CDATA[Luis E.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
<xref ref-type="aff" rid="A a"/>
<xref ref-type="aff" rid="A3"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gómez-Tejada]]></surname>
<given-names><![CDATA[Ricardo A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Murillo-Jauregui]]></surname>
<given-names><![CDATA[Carla X.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hoyos-Paladines]]></surname>
<given-names><![CDATA[Rodrigo A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Poyares-Jardim]]></surname>
<given-names><![CDATA[Carlos V.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Orozco-Levi]]></surname>
<given-names><![CDATA[Mauricio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Mexicano del Seguro Social Centro Médico Nacional Siglo XXI Unidad Médica de Alta Especialidad Hospital de Cardiología]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Nacional de Cardiología Ignacio Chávez  Departamento de Cuidados Intensivos Posquirúrgicos Cardiovasculares]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Asociación Latinoamericana del Tórax Departamento de Circulación Pulmonar ]]></institution>
<addr-line><![CDATA[Buenos Aires ]]></addr-line>
<country>Argentina</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad de Buenos Aires Facultad de Medicina ]]></institution>
<addr-line><![CDATA[Buenos Aires ]]></addr-line>
<country>Argentina</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Instituto Boliviano de Biología de Altura Unidad de Fisiología y Fisiopatología Respiratoria ]]></institution>
<addr-line><![CDATA[La Paz ]]></addr-line>
<country>Bolivia</country>
</aff>
<aff id="Af6">
<institution><![CDATA[,Instituto Ecuatoriano de Seguridad Social Hospital Carlos Andrade Marín Clínica de Hipertensión Pulmonar]]></institution>
<addr-line><![CDATA[Quito ]]></addr-line>
<country>Ecuador</country>
</aff>
<aff id="Af7">
<institution><![CDATA[,Hospital das Clinicas da Universidade de Sao Paulo Instituto do Coracao ]]></institution>
<addr-line><![CDATA[Sao Paulo ]]></addr-line>
<country>Brasil</country>
</aff>
<aff id="Af8">
<institution><![CDATA[,Hospital Internacional de Colombia Servicio de Neumología ]]></institution>
<addr-line><![CDATA[Floridablanca ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2021</year>
</pub-date>
<volume>91</volume>
<numero>4</numero>
<fpage>500</fpage>
<lpage>507</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1405-99402021000400500&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1405-99402021000400500&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1405-99402021000400500&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen La exposición crónica a la altitud se ha asociado a hipoxia hipobárica en quienes la experimentan. Dos entidades se han asociado a la hipoxia hipobárica: la hipertensión pulmonar de la alta altitud y el mal de montaña crónico. Se describen sus características fisiológicas y de la circulación pulmonar, así como su perfil clínico y el diagnóstico.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Chronic exposure to altitude has been associated with hypobaric hypoxia in its inhabitants. Two entities have been associated with it, high altitude pulmonary hypertension and chronic mountain sickness. Its physiological and pulmonary circulation characteristics are described, as well as its clinical profile and diagnosis.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Circulación pulmonar]]></kwd>
<kwd lng="es"><![CDATA[Hipertensión pulmonar]]></kwd>
<kwd lng="es"><![CDATA[Altitud]]></kwd>
<kwd lng="es"><![CDATA[Mal de montaña crónica]]></kwd>
<kwd lng="es"><![CDATA[Hipoxia crónica]]></kwd>
<kwd lng="en"><![CDATA[Pulmonary circulation]]></kwd>
<kwd lng="en"><![CDATA[Pulmonary hypertension]]></kwd>
<kwd lng="en"><![CDATA[Altitude]]></kwd>
<kwd lng="en"><![CDATA[Chronic mountain sickness]]></kwd>
<kwd lng="en"><![CDATA[Chronic hypoxia]]></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[Penaloza]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Arias]]></surname>
<given-names><![CDATA[Stella J]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The heart and pulmonary circulation at high altitudes. Healthy highlanders and Chronic Mountain Sickness]]></article-title>
<source><![CDATA[Circulation]]></source>
<year>2007</year>
<volume>115</volume>
<numero>9</numero>
<issue>9</issue>
<page-range>1132-14</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[Barry]]></surname>
<given-names><![CDATA[PW]]></given-names>
</name>
<name>
<surname><![CDATA[Pollard]]></surname>
<given-names><![CDATA[AJ]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Altitude illness]]></article-title>
<source><![CDATA[BMJ]]></source>
<year>2003</year>
<volume>326</volume>
<numero>7395</numero>
<issue>7395</issue>
<page-range>915-19</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[Beall,]]></surname>
<given-names><![CDATA[CM]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Tibetan and Andean patterns of adaptation to high-altitude hypoxia]]></article-title>
<source><![CDATA[Hum Biol]]></source>
<year>2000</year>
<volume>72</volume>
<page-range>201-28</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[Martin]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Windsor]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[From mountain to bedside:understanding the clinical relevance of human acclimatization to high-altitude hypoxia]]></article-title>
<source><![CDATA[Postgrad Med J]]></source>
<year>2008</year>
<volume>84</volume>
<numero>998</numero>
<issue>998</issue>
<page-range>622-27</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[Penaloza]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effects of high-altitude exposure on the pulmonary circulation]]></article-title>
<source><![CDATA[Rev Esp Cardiol]]></source>
<year>2012</year>
<volume>65</volume>
<numero>12</numero>
<issue>12</issue>
<page-range>1075-78</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[Stuber]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Scherrer]]></surname>
<given-names><![CDATA[U]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Circulatory adaption to long term high altitude exposure in Aymaras and Caucasians]]></article-title>
<source><![CDATA[Prog Cardiovasc Dis]]></source>
<year>2010</year>
<volume>52</volume>
<page-range>534-39</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[Wilkins]]></surname>
<given-names><![CDATA[Mr]]></given-names>
</name>
<name>
<surname><![CDATA[Ghofrani]]></surname>
<given-names><![CDATA[H-A]]></given-names>
</name>
<name>
<surname><![CDATA[Weissmann]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Aldeshev]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Zhao]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Pathophysiology and treatment of high-altitude pulmonary vascular disease]]></article-title>
<source><![CDATA[Circulation]]></source>
<year>2015</year>
<volume>132</volume>
<page-range>582-90</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[West]]></surname>
<given-names><![CDATA[JB]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[High-altitude medicine]]></article-title>
<source><![CDATA[Am J Respir Crit Care Med]]></source>
<year>2012</year>
<volume>12</volume>
<numero>186</numero>
<issue>186</issue>
<page-range>1229-237</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[Bartsch]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Swenson]]></surname>
<given-names><![CDATA[ER]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Clinical practice:acute high-altitude illnesses]]></article-title>
<source><![CDATA[New Engl J Med]]></source>
<year>2013</year>
<volume>24</volume>
<numero>368</numero>
<issue>368</issue>
<page-range>2294-302</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[Villafuerte]]></surname>
<given-names><![CDATA[FC]]></given-names>
</name>
<name>
<surname><![CDATA[Corante]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Chronic Mountain Sickness:Clinical aspects, etiology, management, and treatment]]></article-title>
<source><![CDATA[High Alt Med Biol]]></source>
<year>2016</year>
<volume>17</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>61-9</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[Maggiorini]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[León]]></surname>
<given-names><![CDATA[Velarde F]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[High-altitude pulmonary hypertension:a pathophysiological entity to different diseases]]></article-title>
<source><![CDATA[Eur Respir J]]></source>
<year>2003</year>
<volume>22</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>1019-25</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[León-Velarde]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Gamboa]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Chuquiza]]></surname>
<given-names><![CDATA[JA]]></given-names>
</name>
<name>
<surname><![CDATA[Esteba]]></surname>
<given-names><![CDATA[WA]]></given-names>
</name>
<name>
<surname><![CDATA[Rivera-Chira]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Monge]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Hematological parameters in high altitude residents living at 4355, 4660, and 5500 meters above sea level]]></article-title>
<source><![CDATA[High Alt Med Biol]]></source>
<year>2000</year>
<volume>1</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>97-104</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[Gassmann]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Mairbäurl]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Livshits]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Seide]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Hackbusch]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Monika Malczyk]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The increase in hemoglobin concentration with altitude varies among human populations]]></article-title>
<source><![CDATA[Ann NY Acad Sci]]></source>
<year>2019</year>
<volume>1450</volume>
<page-range>204-20</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[Swenson]]></surname>
<given-names><![CDATA[ER]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Hypoxic pulmonary vasoconstriction]]></article-title>
<source><![CDATA[High Alt Med Biol]]></source>
<year>2013</year>
<volume>14</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>101-8</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[Murillo]]></surname>
<given-names><![CDATA[JC]]></given-names>
</name>
<name>
<surname><![CDATA[Salinas]]></surname>
<given-names><![CDATA[SC]]></given-names>
</name>
<name>
<surname><![CDATA[López]]></surname>
<given-names><![CDATA[MJJ]]></given-names>
</name>
<name>
<surname><![CDATA[Villena]]></surname>
<given-names><![CDATA[CM]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Función ventricular derecha en residentes nativos a gran altura]]></article-title>
<source><![CDATA[JHealth Med Sci]]></source>
<year>2020</year>
<volume>6</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>113-22</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[Stobdan]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Haddad]]></surname>
<given-names><![CDATA[GG]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Commentary:Novel insight into the genetic basis of high altitude pulmonary hypertension in Kyrgyz highlanders]]></article-title>
<source><![CDATA[J Lung Health Dis]]></source>
<year>2019</year>
<volume>3</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>29-30</page-range></nlm-citation>
</ref>
<ref id="B17">
<label>17</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Grimminger]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Richter]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Tello]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Sommer]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Gall]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Ghofrani]]></surname>
<given-names><![CDATA[HA]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Thin air resulting in high pressure:Mountain sickness and hypoxia-induced pulmonary hypertension thin air resulting in high pressure:Mountain sickness and hypoxia-induced pulmonary hypertension]]></article-title>
<source><![CDATA[Can Res J]]></source>
<year>2017</year>
<volume>2017</volume>
</nlm-citation>
</ref>
<ref id="B18">
<label>18</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[León-Velarde]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Maggiorini]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Reeves]]></surname>
<given-names><![CDATA[JT]]></given-names>
</name>
<name>
<surname><![CDATA[Aldashev]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Asmus]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
<name>
<surname><![CDATA[Bernardo]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Consensus statement on chronic and subacute high altitude diseases]]></article-title>
<source><![CDATA[High Alt Med Biol]]></source>
<year>2005</year>
<volume>6</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>147-57</page-range></nlm-citation>
</ref>
<ref id="B19">
<label>19</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[McGoon]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Gutterman]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Steen]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
<name>
<surname><![CDATA[Barst]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[McCrory]]></surname>
<given-names><![CDATA[DC]]></given-names>
</name>
<name>
<surname><![CDATA[Fortin]]></surname>
<given-names><![CDATA[TA]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Screening, early detection, and diagnosis of pulmonary arterial hypertension:ACCP evidence-based clinical practice guidelines]]></article-title>
<source><![CDATA[Chest]]></source>
<year>2004</year>
<volume>126</volume>
<numero>1 Suppl</numero>
<issue>1 Suppl</issue>
<page-range>14S-34S</page-range></nlm-citation>
</ref>
<ref id="B20">
<label>20</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Aldashev]]></surname>
<given-names><![CDATA[AA]]></given-names>
</name>
<name>
<surname><![CDATA[Sarybaev]]></surname>
<given-names><![CDATA[AS]]></given-names>
</name>
<name>
<surname><![CDATA[Sydykov]]></surname>
<given-names><![CDATA[AS]]></given-names>
</name>
<name>
<surname><![CDATA[Kalmyrzaev]]></surname>
<given-names><![CDATA[BB]]></given-names>
</name>
<name>
<surname><![CDATA[Kim]]></surname>
<given-names><![CDATA[EV]]></given-names>
</name>
<name>
<surname><![CDATA[Mamanova]]></surname>
<given-names><![CDATA[LB]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Characterization of high-altitude pulmonary hypertension in the Kyrgyz:association with angiotensin-converting enzyme genotype]]></article-title>
<source><![CDATA[Am J Respir Crit Care Med]]></source>
<year>2002</year>
<volume>166</volume>
<numero>10</numero>
<issue>10</issue>
<page-range>1396-402</page-range></nlm-citation>
</ref>
<ref id="B21">
<label>21</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Xu]]></surname>
<given-names><![CDATA[X-Q, Jing Z-C]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[High-altitude pulmonary hypertension]]></article-title>
<source><![CDATA[Eur Respir Rev]]></source>
<year>2009</year>
<volume>18</volume>
<numero>111</numero>
<issue>111</issue>
<page-range>13-7</page-range></nlm-citation>
</ref>
<ref id="B22">
<label>22</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mandras]]></surname>
<given-names><![CDATA[SA]]></given-names>
</name>
<name>
<surname><![CDATA[Mehta]]></surname>
<given-names><![CDATA[HS]]></given-names>
</name>
<name>
<surname><![CDATA[Vaidya]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Pulmonary hypertension:A brief guide for clinicians]]></article-title>
<source><![CDATA[Mayo Clin Proc]]></source>
<year>2020</year>
<volume>95</volume>
<numero>9</numero>
<issue>9</issue>
<page-range>1978-88</page-range></nlm-citation>
</ref>
<ref id="B23">
<label>23</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Elia]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Caminati]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Zompatori]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Cassandro]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Lonati]]></surname>
<given-names><![CDATA[Ch]]></given-names>
</name>
<name>
<surname><![CDATA[Luisi]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Pulmonary hypertension and chronic lung disease:where are we headed?]]></article-title>
<source><![CDATA[Eur Respir Rev]]></source>
<year>2019</year>
<volume>28</volume>
<numero>153</numero>
<issue>153</issue>
</nlm-citation>
</ref>
<ref id="B24">
<label>24</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kojonazarov]]></surname>
<given-names><![CDATA[BK]]></given-names>
</name>
<name>
<surname><![CDATA[Imanov]]></surname>
<given-names><![CDATA[BZ]]></given-names>
</name>
<name>
<surname><![CDATA[Amatov]]></surname>
<given-names><![CDATA[TA]]></given-names>
</name>
<name>
<surname><![CDATA[Mirrakhimov]]></surname>
<given-names><![CDATA[MM]]></given-names>
</name>
<name>
<surname><![CDATA[Naeije]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Wilkins]]></surname>
<given-names><![CDATA[MR]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Noninvasive and invasive evaluation of pulmonary arterial pressure in highlanders]]></article-title>
<source><![CDATA[Eur Respir J]]></source>
<year>2007</year>
<volume>29</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>352-6</page-range></nlm-citation>
</ref>
<ref id="B25">
<label>25</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gopalan]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Blanchard]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Auger]]></surname>
<given-names><![CDATA[WR]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Diagnostic evaluation of chronic pulmonary thromboembolic disease]]></article-title>
<source><![CDATA[Ann Am Thorac Soc]]></source>
<year>2016</year>
<volume>13</volume>
<numero>Suppl 3</numero>
<issue>Suppl 3</issue>
<page-range>S222-39</page-range></nlm-citation>
</ref>
<ref id="B26">
<label>26</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mullin]]></surname>
<given-names><![CDATA[CJ]]></given-names>
</name>
<name>
<surname><![CDATA[Klinger]]></surname>
<given-names><![CDATA[JR]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Chronic pulmonary thromboembolic disease]]></article-title>
<source><![CDATA[Heart Fail Clin]]></source>
<year>2018</year>
<volume>14</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>339-51</page-range></nlm-citation>
</ref>
<ref id="B27">
<label>27</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Simonneau]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Montani]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Celermajer]]></surname>
<given-names><![CDATA[DS]]></given-names>
</name>
<name>
<surname><![CDATA[Denton]]></surname>
<given-names><![CDATA[ChP]]></given-names>
</name>
<name>
<surname><![CDATA[Gatzoulis]]></surname>
<given-names><![CDATA[MA]]></given-names>
</name>
<name>
<surname><![CDATA[Krowka]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Haemodynamic definitions and updated clinical classification of pulmonary hypertension]]></article-title>
<source><![CDATA[Eur Respir J]]></source>
<year>2019</year>
<volume>53</volume>
<numero>1</numero>
<issue>1</issue>
</nlm-citation>
</ref>
<ref id="B28">
<label>28</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Soria]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Egger]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Scherrer]]></surname>
<given-names><![CDATA[U]]></given-names>
</name>
<name>
<surname><![CDATA[Bender]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Rimoldi]]></surname>
<given-names><![CDATA[SF]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Pulmonary arterial pressure at rest and during exercise in chronic mountain sickness:a meta-analysis]]></article-title>
<source><![CDATA[Eur Respir J]]></source>
<year>2019</year>
<volume>53</volume>
<numero>6</numero>
<issue>6</issue>
</nlm-citation>
</ref>
<ref id="B29">
<label>29</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Naeije]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Pulmonary hypertension at high altitude]]></article-title>
<source><![CDATA[Eur Respir J]]></source>
<year>2019</year>
<volume>53</volume>
<numero>6</numero>
<issue>6</issue>
</nlm-citation>
</ref>
<ref id="B30">
<label>30</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ge]]></surname>
<given-names><![CDATA[RL]]></given-names>
</name>
<name>
<surname><![CDATA[Helun]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Current concept of chronic mountain sickness:pulmonary hypertension-related high-altitude heart disease]]></article-title>
<source><![CDATA[Wilderness Environ Med]]></source>
<year>2001</year>
<volume>12</volume>
<page-range>190-4</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
