<?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>0376-7892</journal-id>
<journal-title><![CDATA[Cirugía Plástica Ibero-Latinoamericana]]></journal-title>
<abbrev-journal-title><![CDATA[Cir. plást. iberolatinoam.]]></abbrev-journal-title>
<issn>0376-7892</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Española de Cirugía Plástica, Reparadora y Estética (SECPRE)]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0376-78922020000100013</article-id>
<article-id pub-id-type="doi">10.4321/s0376-78922020000100013</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Remodelación de la grasa localizada con ultrasonidos de baja frecuencia, intensidad media y múltiple focalización: conclusiones preliminares]]></article-title>
<article-title xml:lang="en"><![CDATA[Abdominal fat remodeling using low frequency, medium intensity ultrasounds and multiple focalization: preliminary conclusions]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Trelles]]></surname>
<given-names><![CDATA[Mario A]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mir-Mir]]></surname>
<given-names><![CDATA[Sebastián]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ardiaca]]></surname>
<given-names><![CDATA[María del Carmen]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Trelles]]></surname>
<given-names><![CDATA[Kathrin]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Vilafortuny Laser Centre  ]]></institution>
<addr-line><![CDATA[Dubai ]]></addr-line>
<country>Emiratos Árabes Unidos</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,aff2  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<aff id="Af3">
<institution><![CDATA[,aff3  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<aff id="Af4">
<institution><![CDATA[,aff4  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2020</year>
</pub-date>
<volume>46</volume>
<numero>1</numero>
<fpage>85</fpage>
<lpage>98</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_arttext&amp;pid=S0376-78922020000100013&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_abstract&amp;pid=S0376-78922020000100013&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_pdf&amp;pid=S0376-78922020000100013&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción y objetivo Los ultrasonidos focalizados de alta intensidad (HIFU) producen lisis del adipocito por calor con la finalidad no invasiva de remodelar la grasa corporal localizada. Observamos de forma prospectiva los efectos de un sistema que emite ultrasonidos de baja frecuencia, intensidad media y múltiple focalización, y sus posibilidades de disminución y remodelación de los acúmulos de grasa subcutánea del abdomen.  Material y método Presentamos el primer análisis técnico específico de un sistema de emisión diferente a los clásicos HIFU, y los resultados en 10 pacientes entre 24 y 56 años e IMC&lt;28, que recibieron 3 sesiones de tratamiento en abdomen con idéntico protocolo y separadas por 3 semanas. Evaluamos resultados finales a los 3 meses de la tercera sesión, comparando con el estado al inicio del tratamiento. Medimos con plicometría el contorno abdominal y el grosor del pliegue graso. Comparamos fotografías estandarizadas y obtuvimos muestras para microscopía en 3 tiempos de control del estudio empleando tinciones de hematoxilina, tricrómico de Masson e inmunohistoquímica. Implementamos cuestionarios para que pacientes, terapeuta y 2 médicos ajenos al estudio evaluaran resultados.  Resultados El control específico de las características técnicas del sistema empleado indicó que, a diferencia de los HIFU, la emisión es de ultrasonidos de baja frecuencia, intensidad media y múltiple focalización. En las fotografías, plicometría y circunferencia abdominal encontramos reducción significativa del volumen abdominal. Las respuestas a las preguntas de los cuestionarios fueron positivas en cuanto a resultados, tanto por las pacientes como por los médicos evaluadores y la terapeuta que realizó los tratamientos. En las histologías observamos cambio de la forma típica del adipocito y lisis de su membrana tras la primera sesión de tratamiento. Identificamos desarrollo de nuevo colágeno y mejoría de la elastosis, significativas de mejoría de la tensión en las áreas tratadas. De las 10 pacientes, 9 confirmaron estar muy satisfechas y 1 satisfecha con la reducción del contorno y volumen del abdomen que se mantuvo 3 meses después del último tratamiento. No observamos efectos adversos importantes salvo ligero eritema y edema tras las sesiones, que desapareció a las 24 horas.  Conclusiones El sistema empleado, con su particular modo de emisión y actuación sobre el tejido subcutáneo, resultó eficaz en la remodelación de la grasa localizada. Consideramos que además puede emplearse como tratamiento no invasivo para complementar las liposucciones quirúrgicas.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Background and objective High intensity focused ultrasound (HIFU) produce fat cell lysis during the treatment of subcutaneous tissue due to thermal effect. In this study, an ultrasound system of low frequency, medium intensity and multiple focalizations was used for reduction and remodeling of the subcutaneous fat layer.  Methods This study presents the first specific technical analysis of a system which differs from the traditional concept of HIFU energy emission. Ten patients received 3 sessions of treatment, following the same protocol, 3 weeks apart from each other. Patients ages were between 24 and 56 with a BMI &lt;28. Final control was done 3 months after the third session to compare the results with the status at the beginning of treatments. Abdomen circumference was measured, as well as the fat fold using a plicometer. Equal photographs of before and 3 months after the last treatment session were compared. Samples were obtained for microscopic analysis at the 3 points of control of the study, stained with hematoxilin, Masson trichromic and immuno-histochemical techniques. Questionnaires were implemented for evaluation of results by patients, the nurse who did the treatments and 2 doctors estrange to the study.  Results Plicometry and abdominal circumference measurements found a significant objective and subjective reduction in the abdomen volume, which was also verified by comparing photographs. Histology following treatment showed adipocite changes in shape and membrane lysis. New collagen formation was present in samples taken before the third treatment session. At this control, dermis showed better condition regarding elastosis which was notable less. Patients' satisfaction degrees coincided with that of the nurse and the 2 doctors. Nine of the 10 patients were very satisfied and 1 was satisfied with the reduced circumference and decreased abdomen volume achieved. Results were maintained 3 months after the last session. No significant adverse effects were observed, only slight erythema and edema at the end of sessions, which disappeared within 24 hours.  Conclusions The system used in the study, with its particular mode of emission and action on fat tissue, is efficacious in decreasing and remodeling localized fat accumulation, and could be used as a non-invasive complementary treatment to surgical liposuction.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Ultrasonidos baja frecuencia]]></kwd>
<kwd lng="es"><![CDATA[Ultrasonidos media intensidad]]></kwd>
<kwd lng="es"><![CDATA[Ultrasonidos no focalizados]]></kwd>
<kwd lng="es"><![CDATA[Adipocito]]></kwd>
<kwd lng="es"><![CDATA[Tejido graso subcutáneo]]></kwd>
<kwd lng="en"><![CDATA[Low-frequency ultrasounds]]></kwd>
<kwd lng="en"><![CDATA[Medium-intensity ultrasound]]></kwd>
<kwd lng="en"><![CDATA[Non-focused low-frequency ultrasound]]></kwd>
<kwd lng="en"><![CDATA[Adipocyte]]></kwd>
<kwd lng="en"><![CDATA[Subcutaneous fat tissue]]></kwd>
</kwd-group>
</article-meta>
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