<?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>2306-4102</journal-id>
<journal-title><![CDATA[Acta ortopédica mexicana]]></journal-title>
<abbrev-journal-title><![CDATA[Acta ortop. mex]]></abbrev-journal-title>
<issn>2306-4102</issn>
<publisher>
<publisher-name><![CDATA[Colegio Mexicano de Ortopedia y Traumatología A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2306-41022020000600354</article-id>
<article-id pub-id-type="doi">10.35366/99131</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Corrección del componente rotacional prequirúrgico y postquirúrgico del primer metatarsiano secundario a osteotomía de Chevron modificado]]></article-title>
<article-title xml:lang="en"><![CDATA[Correction of the pre- and post-surgical rotational component of the first metatarsal secondary to modified Chevron osteotomy]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Espinosa-Uribe]]></surname>
<given-names><![CDATA[AG]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ortiz-Garza]]></surname>
<given-names><![CDATA[JI]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García-Limón]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Fernández-Garza]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Valverde-Galindo]]></surname>
<given-names><![CDATA[LA]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Meza Flores]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gutiérrez-de la]]></surname>
<given-names><![CDATA[OJ]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Monterrey Escuela de Medicina ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital Christus Muguerza Departamento de Ortopedia y Traumatología ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Instituto de Seguridad Social de Trabajadores del Estado de Nuevo León  ]]></institution>
<addr-line><![CDATA[Monterrey Nuevo León]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad Autónoma de Nuevo León Facultad de Medicina ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2020</year>
</pub-date>
<volume>34</volume>
<numero>6</numero>
<fpage>354</fpage>
<lpage>358</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2306-41022020000600354&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2306-41022020000600354&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2306-41022020000600354&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen:  Introducción: Hallux valgus (HV) es una patología compleja del antepié, recientemente se ha mostrado interés en el componente rotacional (CR) distal del primer metatarsiano por su relación con recidivas postquirúrgicas de la deformidad. La selección de la técnica quirúrgica es controversial con escasa literatura acerca de la corrección de rotación con osteotomías comunes. Nuestro objetivo es evaluar características radiológicas prequirúrgicas y postquirúrgicas respecto a CR del primer metatarsiano en la cirugía de corrección de HV moderado a severo usando osteotomía de Chevron largo.  Material y métodos:  Estudio observacional, prospectivo y comparativo en el que se evaluó el CR del primer metatarsiano en nueve pies pertenecientes a seis pacientes con una edad media de 45 años. El CR fue evaluado con base en la metáfisis proximal del primer metatarsiano en fluoroscopías axiales sin carga y AP de pie. Las mediciones se realizaron por un residente de ortopedia y traumatología y un subespecialista en cirugía de pie y Tobillo.  Resultados:  Se documentaron diferencias significativas (p = 0.05) en el ángulo de pronación prequirúrgico y postquirúrgico al utilizar osteotomía de Chevron largo. El resultado funcional de los pacientes evaluados fue excelente a 11 meses de seguimiento.  Conclusiones:  Radiológicamente, la corrección rotacional es variable y previamente no se ha reportado en la literatura con esta osteotomía. Se establecen bases morfológicas para la realización de estudios posteriores en la evaluación de rotación de cabeza del primer metatarsiano con diferentes osteotomías.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract:  Introduction. Hallux valgus (HV) is a complex forefoot pathology, in which interest has recently been shown in the distal rotational component (CR) of the first metatarsal due to its relationship with postsurgical relapses of the deformity. The selection of surgical technique is controversial with little current literature on the correction of rotation with common osteotomies. The aim of this study is to evaluate preoperative and postoperative radiological characteristics regarding CR of the first metatarsal using long Chevron osteotomy for moderate to severe HV.  Material and methods:  An observational, prospective and comparative study was carried out in which the CR of the first metatarsal was evaluated in nine feet belonging to six patients with a mean age of 45 years. The RC was evaluated based on the proximal metaphysis of the first metatarsal in axial fluoroscopies of unloaded metatarsals and standing AP. Measurements were performed by an Orthopedic and Traumatology resident and a Foot and Ankle Surgery subspecialist.  Results:  Significant differences (p = 0.05) were documented in the preoperative and postoperative pronation angle when using long Chevron osteotomy. The functional result of the evaluated patients was excellent at 11 months of follow-up.  Conclusions:  Radiologically, the rotational correction is variable and has not previously been reported in the literature with this osteotomy. We establishes the morphological bases for the performance of subsequent studies in the evaluation of head rotation of the 1st metatarsal with different osteotomies.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Componente rotacional]]></kwd>
<kwd lng="es"><![CDATA[hallux valgus]]></kwd>
<kwd lng="es"><![CDATA[pronación de metatarsiano]]></kwd>
<kwd lng="es"><![CDATA[osteotomía de Chevron]]></kwd>
<kwd lng="es"><![CDATA[osteotomía correctiva]]></kwd>
<kwd lng="en"><![CDATA[Chevron osteotomy]]></kwd>
<kwd lng="en"><![CDATA[correction osteotomy]]></kwd>
<kwd lng="en"><![CDATA[hallux valgus]]></kwd>
<kwd lng="en"><![CDATA[metatarsus pronation]]></kwd>
<kwd lng="en"><![CDATA[morphology]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<label>1</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Wagner]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Wagner]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Is the rotational deformity important in our decision- making process for correction of hallux valgus deformity?]]></article-title>
<source><![CDATA[Foot Ankle Clin]]></source>
<year>2018</year>
<volume>23</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>205-17</page-range></nlm-citation>
</ref>
<ref id="B2">
<label>2</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Saltzman]]></surname>
<given-names><![CDATA[CL]]></given-names>
</name>
<name>
<surname><![CDATA[Brandser]]></surname>
<given-names><![CDATA[EA]]></given-names>
</name>
<name>
<surname><![CDATA[Anderson]]></surname>
<given-names><![CDATA[CM]]></given-names>
</name>
<name>
<surname><![CDATA[Berbaum]]></surname>
<given-names><![CDATA[KS]]></given-names>
</name>
<name>
<surname><![CDATA[Brown]]></surname>
<given-names><![CDATA[TD]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Coronal plane rotation of the first metatarsal]]></article-title>
<source><![CDATA[Foot Ankle Int]]></source>
<year>1996</year>
<volume>17</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>157-61</page-range></nlm-citation>
</ref>
<ref id="B3">
<label>3</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Wagner]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Wagner]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Metatarsal pronation in hallux valgus deformity: a review]]></article-title>
<source><![CDATA[J Am Acad Orthop Surg Glob Res Rev]]></source>
<year>2020</year>
<volume>4</volume>
<numero>6</numero>
<issue>6</issue>
</nlm-citation>
</ref>
<ref id="B4">
<label>4</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hatch]]></surname>
<given-names><![CDATA[DJ]]></given-names>
</name>
<name>
<surname><![CDATA[Santrock]]></surname>
<given-names><![CDATA[RD]]></given-names>
</name>
<name>
<surname><![CDATA[Smith]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Dayton]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Weil]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Triplane hallux abducto valgus classification]]></article-title>
<source><![CDATA[J Foot Ankle Surg]]></source>
<year>2018</year>
<volume>57</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>972-81</page-range></nlm-citation>
</ref>
<ref id="B5">
<label>5</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Smith]]></surname>
<given-names><![CDATA[WB]]></given-names>
</name>
<name>
<surname><![CDATA[Santrock]]></surname>
<given-names><![CDATA[RD]]></given-names>
</name>
<name>
<surname><![CDATA[Hatch]]></surname>
<given-names><![CDATA[DJ]]></given-names>
</name>
<name>
<surname><![CDATA[Dayton]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Intraoperative mulitplanar alignment system to guide triplanar correction of hallux valgus deformity]]></article-title>
<source><![CDATA[Tech Foot Ankle Surg]]></source>
<year>2017</year>
<volume>16</volume>
<page-range>175-82</page-range></nlm-citation>
</ref>
<ref id="B6">
<label>6</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Easley]]></surname>
<given-names><![CDATA[ME]]></given-names>
</name>
<name>
<surname><![CDATA[Trnka]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Current concepts review: hallux valgus part 1: pathomechanics, clinical assessment, and nonoperative management mark]]></article-title>
<source><![CDATA[Foot Ankle Int]]></source>
<year>2007</year>
<volume>28</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>654-9</page-range></nlm-citation>
</ref>
<ref id="B7">
<label>7</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Easley]]></surname>
<given-names><![CDATA[ME]]></given-names>
</name>
<name>
<surname><![CDATA[Trnka]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Current concepts review: hallux valgus part II : operative treatment]]></article-title>
<source><![CDATA[Foot Ankle Int]]></source>
<year>2007</year>
<volume>28</volume>
<page-range>748-57</page-range></nlm-citation>
</ref>
<ref id="B8">
<label>8</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lee]]></surname>
<given-names><![CDATA[KB]]></given-names>
</name>
<name>
<surname><![CDATA[Cho]]></surname>
<given-names><![CDATA[NY]]></given-names>
</name>
<name>
<surname><![CDATA[Seon]]></surname>
<given-names><![CDATA[JK]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A comparison of proximal and distal Chevron osteotomy, both with lateral soft-tissue release, for moderate to severe hallux valgus in patients undergoing simultaneous bilateral correction]]></article-title>
<source><![CDATA[Bone Joint J]]></source>
<year>2015</year>
<volume>97</volume>
<page-range>202-7</page-range></nlm-citation>
</ref>
<ref id="B9">
<label>9</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sharma]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Aydogan]]></surname>
<given-names><![CDATA[U]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Algorithm for severe hallux valgus associated with metatarsus adductus]]></article-title>
<source><![CDATA[Foot Ankle Int]]></source>
<year>2015</year>
<volume>36</volume>
<page-range>1499-503</page-range></nlm-citation>
</ref>
<ref id="B10">
<label>10</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Wagner]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Ortiz]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Wagner]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Rotational osteotomy for hallux valgus. A new technique for primary and revision cases]]></article-title>
<source><![CDATA[Tech Foot Ankle Surg]]></source>
<year>2017</year>
<volume>16</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>3-10</page-range></nlm-citation>
</ref>
<ref id="B11">
<label>11</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Prado]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Baumfeld]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Nery]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Mendes]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Baumfeld]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Rotational biplanar Chevron osteotomy]]></article-title>
<source><![CDATA[Foot Ankle Surg]]></source>
<year>2020</year>
<volume>26</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>473-6</page-range></nlm-citation>
</ref>
<ref id="B12">
<label>12</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Jung]]></surname>
<given-names><![CDATA[HG]]></given-names>
</name>
<name>
<surname><![CDATA[Kim]]></surname>
<given-names><![CDATA[TH]]></given-names>
</name>
<name>
<surname><![CDATA[Park]]></surname>
<given-names><![CDATA[JT]]></given-names>
</name>
<name>
<surname><![CDATA[Shin]]></surname>
<given-names><![CDATA[MH]]></given-names>
</name>
<name>
<surname><![CDATA[Lee]]></surname>
<given-names><![CDATA[SH]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Proximal reverse Chevron metatarsal osteotomy, lateral soft tissue release, and akin osteotomy through a single medial incision for hallux valgus]]></article-title>
<source><![CDATA[Foot Ankle Int]]></source>
<year>2014</year>
<volume>35</volume>
<page-range>368-73</page-range></nlm-citation>
</ref>
<ref id="B13">
<label>13</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mortier]]></surname>
<given-names><![CDATA[JP]]></given-names>
</name>
<name>
<surname><![CDATA[Bernard]]></surname>
<given-names><![CDATA[JL]]></given-names>
</name>
<name>
<surname><![CDATA[Maestro]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Axial rotation of the first metatarsal head in a normal population and hallux valgus patients]]></article-title>
<source><![CDATA[Orthop Traumatol Surg Res]]></source>
<year>2012</year>
<volume>98</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>677-83</page-range></nlm-citation>
</ref>
<ref id="B14">
<label>14</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Nery]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Barroco]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Réssio]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Biplanar Chevron osteotomy]]></article-title>
<source><![CDATA[Foot Ankle Int]]></source>
<year>2002</year>
<volume>23</volume>
<numero>9</numero>
<issue>9</issue>
<page-range>792-8</page-range></nlm-citation>
</ref>
<ref id="B15">
<label>15</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Midjord]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Bunion surgery: check these radiographic parameters intraoperatively to avoid recurrence: Commentary on an article by Chul Hyun Park, MD, PhD, and Woo-Chun Lee, MD, PhD: &#8220;recurrence of hallux valgus can be predicted from immediate postoperative non-weight-bearing radiographs&#8221;]]></article-title>
<source><![CDATA[J Bone Joint Surg Am]]></source>
<year>2017</year>
<volume>99</volume>
<numero>14</numero>
<issue>14</issue>
</nlm-citation>
</ref>
<ref id="B16">
<label>16</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cruz]]></surname>
<given-names><![CDATA[EP]]></given-names>
</name>
<name>
<surname><![CDATA[Wagner]]></surname>
<given-names><![CDATA[FV]]></given-names>
</name>
<name>
<surname><![CDATA[Henning]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Veiga]]></surname>
<given-names><![CDATA[SJ]]></given-names>
</name>
<name>
<surname><![CDATA[Pagnussato]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Galia]]></surname>
<given-names><![CDATA[CR]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Comparison between simple radiographic and computed tomographic three-dimensional reconstruction for evaluation of the distal metatarsal articular angle]]></article-title>
<source><![CDATA[J Foot Ankle Surg]]></source>
<year>2017</year>
<volume>56</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>505-9</page-range></nlm-citation>
</ref>
<ref id="B17">
<label>17</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Dayton]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Feilmeier]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Hirschi]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Kauwe]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Kauwe]]></surname>
<given-names><![CDATA[JSK]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Observed changes in radiographic measurements of the first ray after frontal plane rotation of the first metatarsal in a cadaveric foot model]]></article-title>
<source><![CDATA[J Foot Ankle Surg]]></source>
<year>2014</year>
<volume>53</volume>
<page-range>274-8</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
