<?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>1688-0390</journal-id>
<journal-title><![CDATA[Revista Médica del Uruguay]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Méd. Urug.]]></abbrev-journal-title>
<issn>1688-0390</issn>
<publisher>
<publisher-name><![CDATA[Sindicato Médico del Uruguay]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1688-03902021000401201</article-id>
<article-id pub-id-type="doi">10.29193/rmu.37.4.1</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Uso de máscaras de buceo modificadas para aplicación segura de ventilación no invasiva. Estudio piloto]]></article-title>
<article-title xml:lang="en"><![CDATA[Modified snorkeling facemasks for safe application of non-invasive ventilation. A pilot study]]></article-title>
<article-title xml:lang="pt"><![CDATA[Uso de máscaras de mergulho modificadas para aplicação segura de ventilação não invasiva. Estudo piloto]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Beltramelli]]></surname>
<given-names><![CDATA[Rodrigo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Alzugaray]]></surname>
<given-names><![CDATA[Pedro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rucks]]></surname>
<given-names><![CDATA[Nicolás]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Santos]]></surname>
<given-names><![CDATA[Cristina]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Poradosu]]></surname>
<given-names><![CDATA[Carolina]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González]]></surname>
<given-names><![CDATA[Gimena]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Musetti]]></surname>
<given-names><![CDATA[Ana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Angulo]]></surname>
<given-names><![CDATA[Martín]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de la República Facultad de Medicina Centro de Tratamiento Intensivo, Hospital de Clínicas]]></institution>
<addr-line><![CDATA[Montevideo ]]></addr-line>
<country>Uruguay</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de la República Facultad de Medicina Centro de Tratamiento Intensivo, Hospital de Clínicas]]></institution>
<addr-line><![CDATA[Montevideo ]]></addr-line>
<country>Uruguay</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad de la República Facultad de Arquitectura Subárea Representación Modelado 3D Para Prototipado]]></institution>
<addr-line><![CDATA[Montevideo ]]></addr-line>
<country>Uruguay</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad de la República Facultad de Medicina Centro de Tratamiento Intensivo, Hospital de Clínicas]]></institution>
<addr-line><![CDATA[Montevideo ]]></addr-line>
<country>Uruguay</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Universidad de la República Facultad de Arquitectura ]]></institution>
<addr-line><![CDATA[Montevideo ]]></addr-line>
<country>Uruguay</country>
</aff>
<aff id="Af6">
<institution><![CDATA[,Universidad de la República Facultad de Medicina Laboratorio Exploración Funcional Respiratorio. Hospital de Clínicas]]></institution>
<addr-line><![CDATA[Montevideo ]]></addr-line>
<country>Uruguay</country>
</aff>
<aff id="Af7">
<institution><![CDATA[,Universidad de la República Facultad de Medicina Cátedra de Neumología]]></institution>
<addr-line><![CDATA[Montevideo ]]></addr-line>
<country>Uruguay</country>
</aff>
<aff id="Af8">
<institution><![CDATA[,Universidad de la República Facultad de Medicina Departamento de Fisiopatología]]></institution>
<addr-line><![CDATA[Montevideo ]]></addr-line>
<country>Uruguay</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2021</year>
</pub-date>
<volume>37</volume>
<numero>4</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.edu.uy/scielo.php?script=sci_arttext&amp;pid=S1688-03902021000401201&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.edu.uy/scielo.php?script=sci_abstract&amp;pid=S1688-03902021000401201&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.edu.uy/scielo.php?script=sci_pdf&amp;pid=S1688-03902021000401201&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen:  Introducción:  en el contexto de la pandemia de SARS-CoV-2, diferentes autores propusieron adaptaciones a máscaras de buceo comerciales (máscaras modificadas, MM) para proporcionar oxigenoterapia a pacientes con o sin presión positiva. Hasta la fecha, ninguno ha evaluado su desempeño como interfaz para la ventilación no invasiva (VNI) en el modo de soporte de presión inspiratoria (PSI). Objetivos: desarrollar una interfaz de VNI utilizando MM y evaluar su rendimiento en comparación con una máscara oronasal (MC) convencional.  Métodos:  las MM se adaptaron como interfaces VNI utilizando dos piezas creadas mediante impresión 3D. Se comparó su desempeño contra una MC en 10 voluntarios sanos en modo PSI (3 cmH2O) con dos niveles de presión positiva al final de la espiración (PEEP 4 y 8 cmH2O). Se compararon: fugas del sistema, frecuencia respiratoria, volumen corriente, oximetría de pulso, CO2 transcutáneo y comodidad.  Resultados:  con 4 cmH2O de PEEP no hubo diferencias significativas entre las máscaras en ninguna de las variables estudiadas. Con 8 cmH2O de PEEP, el uso de MM se asoció con un menor nivel de CO2tc (41,0±5,7 vs 43,5±8,1 mmHg; p=0,03) y un mayor confort (8,3±1,1 vs 6,5±1,4; p&lt;0,01) que las MC.  Conclusiones:  el uso de MM para realizar VNI presenta, en voluntarios sanos, un rendimiento similar a las mascarillas oronasales estándar, con la ventaja de mayor comodidad y menor costo. Si bien restan estudios para avalar su utilización, en la emergencia sanitaria provocada por la pandemia SARS-CoV-2, la adaptación de máscaras de buceo podría representar una opción válida frente a la escasez de interfaces comerciales.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract:  Introduction:  within the context of the SARS-CoV-2 pandemic, different authors proposed adaptations to snorkeling masks available in the market (modified masks: MM) to provide oxygen therapy with positive pressure ventilation or not. Until today, none of them has assessed its performance as an interface for non-invasive ventilation (NIV) in the inspiratory pressure support mode.  Objective:  to develop an interface of NIV using MM and assess its performance with a conventional full mask.  Method:  the MM were adapted as NIV interfaces using two pieces created by 3D printing. Their performance was compared to a that of a conventional mask in 10 healthy volunteers in inspiratory pressure support (3 cmH2O) mode with two levels of positive pressure towards the end of expiration (PEEP 4 and 8 cmH2O). The following were compared: system leaks, respiratory rate, normal volume, pulse oximetry, transcutaneous car bon dioxide and comfort.  Results:  with 4 cmH2O of PEEP, no significant differences were found between masks in none of the variables studied. With 8 cmH2O de PEEP, the use of MM were associated to a lower level of CO2tc (41.0±5.7 vs 43.5±8.1 mmHg; p=0.03) and greater comfort (8.3±1.1 vs 6.5±1.4; p&lt;0.01) than conventional masks (CM).  Conclusions:  in healthy volunteers, MM for NIV evidence a similar performance than that of standard oronasal masks, and have a further advantage, as they are more comfortable and cheaper. Even if further studies are needed to support its use, modified snorkeling masks could represent a valid option during the health emergency caused by the SARS-CoV-2 pandemic in consideration of the scarce interfaces available in the market.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo:  Introdução:  no contexto da pandemia de SARS-CoV2, diferentes autores propuseram adaptações às máscaras de mergulho comerciais (máscaras modificadas, MM) para fornecer oxigenoterapia a pacientes com ou sem pressão positiva. Até o momento, nenhum avaliou seu desempenho como interface para ventilação não invasiva (VNI) no modo de suporte de pressão inspiratória (PSI).  Objetivos:  desenvolver uma interface de VNI usando MM e avaliar seu desempenho em comparação com uma máscara oronasal convencional (MC).  Métodos:  as MMs foram adaptadas como interfaces VNI usando duas peças criadas por impressão 3D. Seu desempenho contra uma MC foi comparado em 10 voluntários saudáveis no modo PSI (3 cmH2O) com dois níveis de pressão positiva no final da expiração (PEEP 4 e 8 cmH2O). Vazamentos do sistema, frequência respiratória, volume corrente, oximetria de pulso, CO2 transcutâneo e conforto foram comparados.  Resultados:  com 4 cmH2O de PEEP, não se observaram diferenças significativas entre as máscaras em nenhuma das variáveis estudadas. Com PEEP de 8 cmH2O, o uso de MM foi associado a um menor nível de CO2tc (41,0 ± 5,7 vs 43,5 ± 8,1 mmHg; p = 0,03) e maior conforto (8,3 ± 1,1 vs 6,5 ± 1,4; p &lt;0,01) do que a MC.  Conclusões: o uso do MM para a realização da VNI apresenta, em voluntários saudáveis, desempenho semelhante às máscaras oronasais padrão, com a vantagem de maior conforto e menor custo. Embora ainda sejam necessários mais estudos que embasem seu uso, na emergência sanitária ocasionada pela pandemia do SARS-CoV-2, a adaptação de máscaras de mergulho pode representar uma opção válida diante da escassez de interfaces comerciais.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Ventilación no invasiva]]></kwd>
<kwd lng="es"><![CDATA[Máscaras de buceo]]></kwd>
<kwd lng="es"><![CDATA[COVID-19]]></kwd>
<kwd lng="en"><![CDATA[Noninvasive ventilation]]></kwd>
<kwd lng="en"><![CDATA[Diving masks]]></kwd>
<kwd lng="en"><![CDATA[COVID-19]]></kwd>
<kwd lng="pt"><![CDATA[Ventilação não Invasiva]]></kwd>
<kwd lng="pt"><![CDATA[Máscaras de mergulho]]></kwd>
<kwd lng="pt"><![CDATA[COVID-19]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Terrill]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Thomson]]></surname>
<given-names><![CDATA[L]]></given-names>
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</person-group>
<article-title xml:lang=""><![CDATA[Laboratory performance of oronasal CPAP and adapted snorkel masks to entrain oxygen and CPAP]]></article-title>
<source><![CDATA[Respirology]]></source>
<year>2020</year>
<volume>25</volume>
<numero>12</numero>
<issue>12</issue>
<page-range>1309-12</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
