<?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>0028-3746</journal-id>
<journal-title><![CDATA[Neumología y cirugía de tórax]]></journal-title>
<abbrev-journal-title><![CDATA[Neumol. cir. torax]]></abbrev-journal-title>
<issn>0028-3746</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Mexicana de Neumología y Cirugía de Tórax; Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas; Sociedad Cubana de Neumología; Sociedad Paraguaya de Neumología; Sociedad Boliviana de Neumología.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0028-37462023000100007</article-id>
<article-id pub-id-type="doi">10.35366/114223</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Repetibilidad y reproducibilidad de la capacidad inspiratoria medida por espirometría y por pletismografía corporal]]></article-title>
<article-title xml:lang="en"><![CDATA[Repeatability and reproducibility of inspiratory capacity measurement by spirometry and body plethysmography]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vargas-Domínguez]]></surname>
<given-names><![CDATA[Claudia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vázquez-García]]></surname>
<given-names><![CDATA[Juan Carlos]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas  ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2023</year>
</pub-date>
<volume>82</volume>
<numero>1</numero>
<fpage>7</fpage>
<lpage>13</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0028-37462023000100007&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0028-37462023000100007&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0028-37462023000100007&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen:  Introducción:  la variabilidad entre mediciones de capacidad inspiratoria (IC) por pletismografía o espirometría no han sido completamente descritas. El objetivo de este estudio fue describir la repetibilidad entre las diferentes maniobras de IC medida por espirometría lenta y su reproducibilidad comparada con pletismografía corporal.  Material y métodos:  se trata un estudio descriptivo, transversal y prospectivo de una muestra de adultos sanos, quienes completaron mediciones de IC por espirometría lenta por dos maniobras diferentes y por medio de pletismografía corporal.  Resultados:  se incluyeron un total de 49 participantes (27 hombres y 22 mujeres) con una edad promedio de 33.2 ± 8.3 años (26 a 65 años). La repetibilidad de la IC fue &#8804; 150 mL en 96% de los sujetos para las maniobras de espirometría, mientras que para la pletismografía fue de 78% de los participantes. La correlación (r de Pearson) fue de 0.95 entre las maniobras de espirometría lenta y de 0.87 y 0.88 comparado con pletismografía. La concordancia entre mediciones mostró errores potenciales de hasta de 576 mL entre espirometría y de hasta 936 mL con pletismografía.  Conclusiones:  la medición de IC medida por espirometría lenta alcanzó una repetibilidad de 150 mL o menos en 96% de los participantes, mientras que por pletismografía fue sólo en 78% y con errores potenciales cercanos a un litro comparado con pletismografía. Este estudio soporta la recomendación vigente de repetibilidad de 150 mL para la medición de IC espirométrica.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract:  Introduction:  the variability between measurements of inspiratory capacity (IC) by spirometry or plethysmography have not been completely described. The objective of this study was to describe the repeatability between the different IC maneuvers measured by slow spirometry and its reproducibility compared with body plethysmography.  Material and methods:  this is a descriptive, cross-sectional and prospective study of a sample of healthy adults who completed IC measurements by slow spirometry by two different maneuvers and by body plethysmography.  Results:  a total of 49 participants (27 men and 22 women) with a mean age of 33.2 ± 8.3 years (26 to 65 years) were included. The repeatability of the IC was &#8804; 150 mL in 96% of the subjects for spirometry maneuvers while for plethysmography it was 78% of the participants. The correlation (Pearson&#8217;s r) was 0.95 between slow spirometry maneuvers and 0.87 and 0.88 compared with plethysmography. The agreement between measurements showed potential errors of up to 576 mL between spirometry and up to 936 mL with plethysmography.  Conclusions:  the IC measurement by slow spirometry reached a repeatability of 150 mL or less in 96% of the participants, while by plethysmography it was only in 78% with potential errors close to one liter compared to plethysmography. This study supports the current recommendation of repeatability of 150 mL for the IC measurement by spirometry.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[capacidad inspiratoria]]></kwd>
<kwd lng="es"><![CDATA[espirometría]]></kwd>
<kwd lng="es"><![CDATA[repetibilidad]]></kwd>
<kwd lng="en"><![CDATA[inspiratory capacity]]></kwd>
<kwd lng="en"><![CDATA[spirometry]]></kwd>
<kwd lng="en"><![CDATA[repeatability]]></kwd>
</kwd-group>
</article-meta>
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