<?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>2393-6797</journal-id>
<journal-title><![CDATA[Revista Uruguaya de Medicina Interna ]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Urug. Med. Int.]]></abbrev-journal-title>
<issn>2393-6797</issn>
<publisher>
<publisher-name><![CDATA[Sociedad de Medicina Interna del Uruguay]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2393-67972022000100017</article-id>
<article-id pub-id-type="doi">10.26445/07.01.2</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Factores de riesgo litogénicos en obesos mórbidos en el preoperatorio de cirugía bariátrica.]]></article-title>
<article-title xml:lang="en"><![CDATA[Lithogenic risk factors in morbidly obese patients in the preoperative period of bariatric surgery.]]></article-title>
<article-title xml:lang="pt"><![CDATA[Fatores de risco litogênicos em pacientes obesos mórbidos no pré-operatório de cirurgia bariátrica.]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[San Román]]></surname>
<given-names><![CDATA[Sofía]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bruno]]></surname>
<given-names><![CDATA[Gustavo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ottati]]></surname>
<given-names><![CDATA[Gabriela]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Luna]]></surname>
<given-names><![CDATA[Deborah]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bidegain]]></surname>
<given-names><![CDATA[Estela]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vaucher]]></surname>
<given-names><![CDATA[Andrea]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Garino]]></surname>
<given-names><![CDATA[Pilar]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Portas]]></surname>
<given-names><![CDATA[Pilar]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lorenzo]]></surname>
<given-names><![CDATA[Maria Jose]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Thomas]]></surname>
<given-names><![CDATA[Eugenia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rath]]></surname>
<given-names><![CDATA[Giuliana]]></given-names>
</name>
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<contrib contrib-type="author">
<name>
<surname><![CDATA[Smiliansky]]></surname>
<given-names><![CDATA[Natasha]]></given-names>
</name>
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<contrib contrib-type="author">
<name>
<surname><![CDATA[Garau]]></surname>
<given-names><![CDATA[Mariela]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Valsangiacomo]]></surname>
<given-names><![CDATA[Pablo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodríguez]]></surname>
<given-names><![CDATA[Gustavo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Huarte]]></surname>
<given-names><![CDATA[Álvaro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Noboa]]></surname>
<given-names><![CDATA[Oscar]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Administración de los Servicios de Salud del Estado( ASSE) Hospital Maciel Programa de Obesidad y cirugía bariátrica]]></institution>
<addr-line><![CDATA[Montevideo ]]></addr-line>
<country>Uruguay</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2022</year>
</pub-date>
<volume>7</volume>
<numero>1</numero>
<fpage>17</fpage>
<lpage>26</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.edu.uy/scielo.php?script=sci_arttext&amp;pid=S2393-67972022000100017&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.edu.uy/scielo.php?script=sci_abstract&amp;pid=S2393-67972022000100017&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.edu.uy/scielo.php?script=sci_pdf&amp;pid=S2393-67972022000100017&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen:  Introducción:  La obesidad mórbida es un factor de riesgo para litiasis renal. La cirugía bariátrica, logra buenos resultados metabólicos, pudiendo generar un aumento del riesgo de litiasis renal. Objetivo. Estudiar los factores de riesgo litogénicos en pacientes obesos en el pre operatorio de cirugía bariátrica.  Metodología:  Estudio descriptivo, transversal. Se incluyeron pacientes del Programa de Obesidad y Cirugía Bariátrica, de febrero de 2019 a marzo de 2020.  Resultados:  Se analizaron 68 pacientes, 83,3% mujeres, mediana de edad 46 (37-52) años. La mediana del IMC fue de 46 (43-53) kg/m² con un rango de 35 a 70 kg/m². De los participantes 29 (43%) eran súper-obesos (IMC&gt;50kg/m2), 31 (48%) presentaban síndrome metabólico, 19 (28,7%) eran diabéticos, 39 (59%) eran hipertensos. La mediana del clearence de creatinina medido fue de 136,5 (100,5-162,5) ml/min, 41 (60%) pacientes fue mayor a 120 ml/min. En 16 (23%) pacientes se constató el antecedente de manifestación clínica - ecográfica de litiasis. Todos los pacientes estaban asintomáticos al momento del estudio. Encontramos al menos 1 factor litogénico en 97% pacientes y 2 en el 71%. El 60,6% tenían hiperparatiroidismo, el 63% con hipovitaminosis D (&lt;20ng/ml). El pH urinario fue &lt; 6 en 33,3% pacientes, 62 (91,2%) presentaron natriuria &gt; 100 mmol/24hs, 60,3% hiperuricosuria, 48,5% tenían hipocitraturia, 42,6% hiperoxaluria, 25% hipercalciuria y 79,4% con hiperamoniuria. No se evidencio diferencias en las variables litogénicas, entre pacientes con antecedentes de litiasis y sin antecedentes, en pacientes obesos y superobesos, ni al comparar pacientes diabéticos y con síndrome metabólico vs pacientes sin estas alteraciones.  Discusión y conclusiones:  En nuestro estudio la alta prevalencia de factores de riesgo litogénicos, apoya el vínculo entre obesidad y la patología litiásica renal. Es aconsejable la evaluación clínica específica y la realización de un estudio litogénico previo a la cirugía bariátrica, incidiendo su resultado en la elección de la técnica quirúrgica.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract:  Introduction:  Morbid obesity is a risk factor for kidney stones. Bariatric surgery achieves good metabolic results, and can generate an increased risk of kidney stones. Target. To study the lithogenic risk factors in obese patients in the preoperative period of bariatric surgery.  Methodology:  Descriptive, cross-sectional study. Patients from the Obesity and Bariatric Surgery Program were included, from February 2019 to March 2020.  Results:  68 patients were analyzed, 83.3% women, median age 46 (37-52) years. The median BMI was 46 (43-53) kg/m² with a range of 35 to 70 kg/m². Of the participants, 29 (43%) were super-obese (BMI&gt;50kg/m2), 31 (48%) had metabolic syndrome, 19 (28.7%) were diabetic, and 39 (59%) were hypertensive. The median creatinine clearance measured was 136.5 (100.5-162.5) ml/min, 41 (60%) patients were greater than 120 ml/min. In 16 (23%) patients, a history of clinical-ultrasound manifestation of lithiasis was confirmed. All patients were asymptomatic at the time of the study. We found at least 1 lithogenic factor in 97% patients and 2 in 71%. 60.6% had hyperparathyroidism, 63% with hypovitaminosis D (&lt;20ng/ml). Urinary pH was &lt;6 in 33.3% of patients, 62 (91.2%) had natriuria &gt;100 mmol/24h, 60.3% had hyperuricosuria, 48.5% had hypocitraturia, 42.6% hyperoxaluria, 25% hypercalciuria and 79.4% with hyperammoniuria. No differences were found in the lithogenic variables, between patients with a history of lithiasis and without, in obese and super obese patients, or when comparing diabetic patients and patients with metabolic syndrome vs patients without these alterations.  Discussion and Conclusions:  In our study, the high prevalence of lithogenic risk factors supports the link between obesity and kidney stone disease. It is advisable to carry out a specific clinical evaluation and a lithogenic study prior to bariatric surgery, with its result affecting the choice of surgical technique.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo:  Introdução:  A obesidade mórbida é um fator de risco para cálculos renais. A cirurgia bariátrica alcança bons resultados metabólicos, podendo gerar um risco aumentado de cálculos renais. Alvo. Estudar os fatores de risco litogênicos em pacientes obesos no pré-operatório de cirurgia bariátrica.  Metodologia:  Estudo descritivo, transversal. Foram incluídos pacientes do Programa de Obesidade e Cirurgia Bariátrica, no período de fevereiro de 2019 a março de 2020.  Resultados:  Foram analisados &#8203;&#8203;68 pacientes, 83,3% mulheres, idade mediana de 46 (37-52) anos. A mediana do IMC foi de 46 (43-53) kg/m² com variação de 35 a 70 kg/m². Dos participantes, 29 (43%) eram superobesos (IMC&gt;50kg/m2), 31 (48%) tinham síndrome metabólica, 19 (28,7%) eram diabéticos e 39 (59%) eram hipertensos. A mediana da depuração de creatinina medida foi de 136,5 (100,5-162,5) ml/min, 41 (60%) pacientes foram maiores que 120 ml/min. Em 16 (23%) pacientes foi confirmada história de manifestação clínico-ultrassonográfica de litíase. Todos os pacientes estavam assintomáticos no momento do estudo. Encontramos pelo menos 1 fator litogênico em 97% dos pacientes e 2 em 71%. 60,6% tinham hiperparatireoidismo, 63% com hipovitaminose D (&lt;20ng/ml). O pH urinário era &lt;6 em 33,3% dos pacientes, 62 (91,2%) tinham natriúria &gt;100 mmol/24h, 60,3% tinham hiperuricosúria, 48,5% tinham hipocitratúria, 42,6% hiperoxalúria, 25% hipercalciúria e 79,4% com hiperamonúria. Não foram encontradas diferenças nas variáveis litogênicas, entre pacientes com e sem história de litíase, em pacientes obesos e superobesos, ou ao comparar pacientes diabéticos e pacientes com síndrome metabólica versus pacientes sem essas alterações.  Discussão e Conclusões:  Em nosso estudo, a alta prevalência de fatores de risco litogênicos suporta a ligação entre obesidade e patologia de cálculos renais. Aconselha-se a realização de avaliação clínica específica e estudo litogênico prévio à cirurgia bariátrica, cujo resultado interfere na escolha da técnica cirúrgica.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Factores Litogénicos]]></kwd>
<kwd lng="es"><![CDATA[Obesidad Mórbida]]></kwd>
<kwd lng="en"><![CDATA[Lithogenic Factors]]></kwd>
<kwd lng="en"><![CDATA[Morbid Obesity]]></kwd>
<kwd lng="pt"><![CDATA[Fatores Litogênicos]]></kwd>
<kwd lng="pt"><![CDATA[Obesidade Mórbida]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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