<?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>0026-1742</journal-id>
<journal-title><![CDATA[Revista de la Facultad de Medicina (México)]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Fac. Med. (Méx.)]]></abbrev-journal-title>
<issn>0026-1742</issn>
<publisher>
<publisher-name><![CDATA[Universidad Nacional Autónoma de México, Facultad de Medicina]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0026-17422021000200026</article-id>
<article-id pub-id-type="doi">10.22201/fm.24484865e.2021.64.2.04</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Características clínicas de anorexia nervosa extrema. Reporte de caso]]></article-title>
<article-title xml:lang="en"><![CDATA[Clinical Characteristics of Extreme Anorexia Nervosa. A Case Report]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Morales Allende]]></surname>
<given-names><![CDATA[María Fernanda]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Galván Sánchez]]></surname>
<given-names><![CDATA[Griselda]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,UNAM  ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Nacional de Psiquiatría &#8220;Ramón de la Fuente Muñiz&#8221;  ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>04</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>04</month>
<year>2021</year>
</pub-date>
<volume>64</volume>
<numero>2</numero>
<fpage>26</fpage>
<lpage>30</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0026-17422021000200026&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0026-17422021000200026&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0026-17422021000200026&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen La Anorexia Nervosa es considerada en la actualidad como enfermedad de gran impacto por su asociación con la desnutrición, se presenta principalmente en mujeres adolescentes y adultas jóvenes. La gravedad se establece a través del índice de masa corporal (IMC). Es una enfermedad multifactorial, con gran influencia del medio cultural, los aspectos biológicos, familiares y personales. Ningún sistema corporal se salva de las secuelas adversas de estas enfermedades, especialmente a medida que la anorexia nervosa se vuelve más grave y crónica. Se realiza una revisión de las complicaciones médicas asociadas con la anorexia nervosa extrema en este caso clínico. Se considera además como una enfermedad con alto índice de morbimortalidad, por el incremento de hasta 6 veces el riesgo de muerte y las múltiples complicaciones médicas que se asocian a la enfermedad. De ahí que es imprescindible incrementar los recursos de salud, reforzar la información en los médicos de primer contacto para identificar este padecimiento, y aumentar los factores de buen pronóstico como la atención temprana de los pacientes.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Anorexia nervosa is currently considered a disease of great impact due to its association with malnutrition. It occurs mainly in women, adolescents and young adults. The severity is de- fined by BMI. It is a multifactorial disease, with great influence of the cultural environment, biological, family and personal aspects. No system in the body is spared from the adverse sequelae of these illnesses, especially as anorexia nervosa becomes more severe and chronic. We review the medical complications that are associated with extreme anorexia nervosa. It is also considered as a disease with a high morbidity and mortality rate, due to an increase of up to 6 times the risk of death and the multiple medical complications associated with the disease. Hence, it is essential to increase health resources, reinforce information in first-contact doctors to identify this condition, and increase factors of good prognosis such as early patient care.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Anorexia nervosa]]></kwd>
<kwd lng="es"><![CDATA[complicaciones médicas]]></kwd>
<kwd lng="es"><![CDATA[trastornos de alimentación]]></kwd>
<kwd lng="en"><![CDATA[Anorexia nervosa]]></kwd>
<kwd lng="en"><![CDATA[medical complications]]></kwd>
<kwd lng="en"><![CDATA[eating disorders]]></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[Fontanela]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Gómez]]></surname>
<given-names><![CDATA[SM]]></given-names>
</name>
<name>
<surname><![CDATA[González]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Ávila]]></surname>
<given-names><![CDATA[MJ]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Anorexia nervosa en adultos]]></article-title>
<source><![CDATA[Fisterra]]></source>
<year>2018</year>
</nlm-citation>
</ref>
<ref id="B2">
<label>2</label><nlm-citation citation-type="book">
<collab>American Psychiatric Association</collab>
<source><![CDATA[Manual Diagnóstico y Estadístico de los Trastornos Mentales]]></source>
<year>2013</year>
<edition>Quinta</edition>
<page-range>338-9</page-range><publisher-loc><![CDATA[Arlington ]]></publisher-loc>
<publisher-name><![CDATA[American Psychiatric Association]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B3">
<label>3</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gibson]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Workman]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Mehler]]></surname>
<given-names><![CDATA[PS]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Medical Complications of Anorexia Nervosa and Bulimia Nervosa]]></article-title>
<source><![CDATA[Psychiatr Clin North Am]]></source>
<year>2019</year>
<volume>42</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>263-74</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[Mehler]]></surname>
<given-names><![CDATA[PS]]></given-names>
</name>
<name>
<surname><![CDATA[Blalock]]></surname>
<given-names><![CDATA[DV]]></given-names>
</name>
<name>
<surname><![CDATA[Walden]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Kaur]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[McBride]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Walsh]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Watts]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Medical findings in 1,026 consecutive adult inpatient - residential eating disordered patients]]></article-title>
<source><![CDATA[Int J Eat Disord]]></source>
<year>2018</year>
<volume>51</volume>
<page-range>305-13</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[Arcelus]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Mitchell]]></surname>
<given-names><![CDATA[AJ]]></given-names>
</name>
<name>
<surname><![CDATA[Gales]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Nielsen]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Mortality Rates in Patients With Anorexia Nervosa and Other Eating Disorders: A Meta-analysis of 36 Studie]]></article-title>
<source><![CDATA[Arch Gen Psychiatry]]></source>
<year>2011</year>
<volume>68</volume>
<numero>7</numero>
<issue>7</issue>
<page-range>724-31</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[Fichter]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Quadflieg]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Mortality in Eating Disorders - Results of a Large Prospective Clinical Longitudinal Study]]></article-title>
<source><![CDATA[Int J Eat Disord.]]></source>
<year>2016</year>
<volume>49</volume>
<page-range>391-401</page-range></nlm-citation>
</ref>
<ref id="B7">
<label>7</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lawson]]></surname>
<given-names><![CDATA[EA]]></given-names>
</name>
<name>
<surname><![CDATA[Miller]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
</person-group>
<source><![CDATA[Anorexia nervosa: Endocrine complications and their management]]></source>
<year>2019</year>
</nlm-citation>
</ref>
<ref id="B8">
<label>8</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mehler]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Yager]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Solomon]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
</person-group>
<source><![CDATA[Anorexia nervosa in adults and adolescents: medical complications and their management]]></source>
<year>2019</year>
</nlm-citation>
</ref>
<ref id="B9">
<label>9</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hoang]]></surname>
<given-names><![CDATA[U]]></given-names>
</name>
<name>
<surname><![CDATA[Goldacre]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[James]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Mortality following hospital discharge with a diagnosis of eating disorder: national record linkage study, England, 2001-2009]]></article-title>
<source><![CDATA[Int J Eat Disord]]></source>
<year>2014</year>
<volume>47</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>507-15</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
