<?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>0864-0300</journal-id>
<journal-title><![CDATA[Revista Cubana de Investigaciones Biomédicas]]></journal-title>
<abbrev-journal-title><![CDATA[Rev Cubana Invest Bioméd]]></abbrev-journal-title>
<issn>0864-0300</issn>
<publisher>
<publisher-name><![CDATA[ECIMED]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0864-03002023000100008</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Impact of the COVID-19 on the epidemiology of maxillofacial fractures surgically treated in a Cuban university hospital]]></article-title>
<article-title xml:lang="es"><![CDATA[Impacto del COVID-19 en la epidemiología de las fracturas maxilofaciales tratadas quirúrgicamente en un hospital universitario cubano]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Corrales Reyes]]></surname>
<given-names><![CDATA[Ibraín Enrique]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Núñez Blanco]]></surname>
<given-names><![CDATA[Alejandro Ernesto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Morales Navarro]]></surname>
<given-names><![CDATA[Denia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Medical University of Granma Carlos Manuel de Céspedes General University Hospital Maxillofacial Surgery Department]]></institution>
<addr-line><![CDATA[ Granma]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Medical University of La Habana Faculty of Dentistry ]]></institution>
<addr-line><![CDATA[ La Havana]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2023</year>
</pub-date>
<volume>42</volume>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S0864-03002023000100008&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S0864-03002023000100008&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S0864-03002023000100008&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction: COVID-19 pandemic has had a significant impact on people&#8217;s behavior.  Aim: To evaluate the impact of the COVID-19 on the epidemiology of maxillofacial fractures surgically treated in a Cuban university hospital.  Methods:  This research involved a 4-year descriptive, comparative, retrospective and cross-sectional study. Patients surgically treated between March 1 and December 31, 2020 (COVID-19 period) were compared with those who had undergone surgery between the same date in the years 2017-2019 (non-pandemic period). Age, sex, residence, year, month, alcohol consumption at the time of trauma, etiology, fractures types, and number of fractures per patient were recorded.  Results:  A decline in patients with maxillofacial fractures in 2020 (n=25) was observed when compared to equivalent periods in the three previous years (2017: n=37; 2018: n=31; 2019: n=41), respectively, with an annual average reduction of 31.19 %. Interpersonal violence was found to be the paramount etiological factor for maxillofacial fractures during the comparison periods (2017-2019); however, road traffic accident prevailed in the 2020 (n=12; 48%). There was a small increase in the number of alcohol-related fractures (56% in 2020 vs 46.34%, 41.94%, and 51.35% in 2019, 2018, and 2017, respectively).  Conclusion:  COVID-19 impacted on the epidemiology maxillofacial fractures surgically treated in this Cuban university hospital.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción:  La pandemia de la COVID-19 ha tenido un impacto significativo en el comportamiento de la población.  Objetivo:  Evaluar el impacto de la COVID-19 en la epidemiología de las fracturas maxilofaciales tratadas quirúrgicamente en un hospital universitario cubano.  Métodos:  Esta investigación consistió en un estudio descriptivo, comparativo, retrospectivo y transversal de 4 años de duración. Se compararon los pacientes intervenidos quirúrgicamente entre el 1 de marzo y el 31 de diciembre de 2020 (periodo COVID-19) con los intervenidos entre la misma fecha en los años 2017-2019 (periodo no pandémico). Se registraron edad, sexo, residencia, año, mes, consumo de alcohol en el momento del traumatismo, etiología, tipos de fracturas y número de fracturas por paciente.  Resultados:  Se observó un descenso de pacientes con fracturas maxilofaciales en 2020 (n=25) en comparación con periodos equivalentes de los tres años anteriores (2017: n=37; 2018: n=31; 2019: n=41), respectivamente, con una reducción media anual del 31,19 %. Se observó que la violencia interpersonal fue el factor etiológico primordial de las fracturas maxilofaciales durante los periodos de comparación (2017-2019); sin embargo, el accidente de tráfico prevaleció en el 2020 (n=12; 48 %). Hubo un pequeño aumento en el número de fracturas relacionadas con el alcohol (56 % en 2020 frente a 46,34 %, 41,94 % y 51,35 % en 2019, 2018 y 2017, respectivamente).  Conclusiones:  La COVID-19 impactó en la epidemiología de fracturas maxilofaciales atendidas quirúrgicamente en este hospital universitario cubano.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[epidemiological studies]]></kwd>
<kwd lng="en"><![CDATA[maxillofacial trauma]]></kwd>
<kwd lng="en"><![CDATA[facial bones]]></kwd>
<kwd lng="en"><![CDATA[COVID-19]]></kwd>
<kwd lng="en"><![CDATA[SARS-CoV-2]]></kwd>
<kwd lng="es"><![CDATA[estudios epidemiológicos]]></kwd>
<kwd lng="es"><![CDATA[trauma maxilofacial]]></kwd>
<kwd lng="es"><![CDATA[huesos faciales]]></kwd>
<kwd lng="es"><![CDATA[COVID-19]]></kwd>
<kwd lng="es"><![CDATA[SARS-CoV-2]]></kwd>
</kwd-group>
</article-meta>
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