<?xml version="1.0" encoding="iso-8859-1" standalone="no"?>
<!DOCTYPE GmsArticle SYSTEM "http://www.egms.de/dtd/2.0.34/GmsArticle.dtd">
<GmsArticle xmlns:xlink="http://www.w3.org/1999/xlink">
  <MetaData>
    <Identifier>25dkou018</Identifier>
    <IdentifierDoi>10.3205/25dkou018</IdentifierDoi>
    <IdentifierUrn>urn:nbn:de:0183-25dkou0185</IdentifierUrn>
    <ArticleType>Meeting Abstract</ArticleType>
    <TitleGroup>
      <Title language="en">BMI change after total hip replacement. Functional and radiographic results at 2-year minimum follow-up</Title>
    </TitleGroup>
    <CreatorList>
      <Creator>
        <PersonNames>
          <Lastname>Godoy-Monzon</Lastname>
          <LastnameHeading>Godoy-Monzon</LastnameHeading>
          <Firstname>Daniel</Firstname>
          <Initials>D</Initials>
        </PersonNames>
        <Address>
          <Affiliation>Hospital San Rafael, Cadiz, Spanien</Affiliation>
        </Address>
        <Creatorrole corresponding="no" presenting="yes">author</Creatorrole>
      </Creator>
      <Creator>
        <PersonNames>
          <Lastname>Espinosa</Lastname>
          <LastnameHeading>Espinosa</LastnameHeading>
          <Firstname>Jose</Firstname>
          <Initials>J</Initials>
        </PersonNames>
        <Address>
          <Affiliation>Hospital San Rafael, Cadiz, Spanien</Affiliation>
        </Address>
        <Creatorrole corresponding="no" presenting="no">author</Creatorrole>
      </Creator>
      <Creator>
        <PersonNames>
          <Lastname>Telesca</Lastname>
          <LastnameHeading>Telesca</LastnameHeading>
          <Firstname>Patricio</Firstname>
          <Initials>P</Initials>
        </PersonNames>
        <Address>
          <Affiliation>Hospital San Rafael, Cadiz, Spanien</Affiliation>
        </Address>
        <Creatorrole corresponding="no" presenting="no">author</Creatorrole>
      </Creator>
    </CreatorList>
    <PublisherList>
      <Publisher>
        <Corporation>
          <Corporatename>German Medical Science GMS Publishing House</Corporatename>
        </Corporation>
        <Address>D&#252;sseldorf</Address>
      </Publisher>
    </PublisherList>
    <SubjectGroup>
      <SubjectheadingDDB>610</SubjectheadingDDB>
    </SubjectGroup>
    <DatePublishedList>
      <DatePublished>20251031</DatePublished>
    </DatePublishedList>
    <Language>engl</Language>
    <License license-type="open-access" xlink:href="http://creativecommons.org/licenses/by/4.0/">
      <AltText language="en">This is an Open Access article distributed under the terms of the Creative Commons Attribution 4.0 License.</AltText>
      <AltText language="de">Dieser Artikel ist ein Open-Access-Artikel und steht unter den Lizenzbedingungen der Creative Commons Attribution 4.0 License (Namensnennung).</AltText>
    </License>
    <SourceGroup>
      <Meeting>
        <MeetingId>M0634</MeetingId>
        <MeetingSequence>018</MeetingSequence>
        <MeetingCorporation>Deutsche Gesellschaft f&#252;r Orthop&#228;die und Unfallchirurgie</MeetingCorporation>
        <MeetingCorporation>Deutsche Gesellschaft f&#252;r Orthop&#228;die und Orthop&#228;dische Chirurgie</MeetingCorporation>
        <MeetingCorporation>Deutsche Gesellschaft f&#252;r Unfallchirurgie</MeetingCorporation>
        <MeetingCorporation>Berufsverband f&#252;r Orthop&#228;die und Unfallchirurgie</MeetingCorporation>
        <MeetingName></MeetingName>
        <MeetingTitle>Deutscher Kongress f&#252;r Orthop&#228;die und Unfallchirurgie (DKOU 2025)</MeetingTitle>
        <MeetingSession>Poster &#124; H&#252;ft- und Beckenchirurgie</MeetingSession>
        <MeetingCity>Berlin</MeetingCity>
        <MeetingDate>
          <DateFrom>20251028</DateFrom>
          <DateTo>20251031</DateTo>
        </MeetingDate>
      </Meeting>
    </SourceGroup>
    <ArticleNo>AB12-4462</ArticleNo>
  </MetaData>
  <OrigData>
    <TextBlock name="Text" linked="yes">
      <MainHeadline>Text</MainHeadline><Pgraph><Mark1>Objectives and questions: </Mark1>Obesity is a widespread disease, affecting more than 600 million individuals worldwide. Body mass index (BMI) serves as an indicator of a patient&#39;s nutritional status, with obesity generally defined as BMI &#62; 30. Primary total hip replacement (THR) has become a very successful and safe procedure, alleviating pain and restoring patient mobility, so that it is commonly referred to as the &#8220;operation of the century&#8221; nowadays. However, outcomes after THR are known to be affected by increased BMI.</Pgraph><Pgraph>The aim of this study was to investigate if BMI changed following THR and to evaluate if this change had an impact on patient-reported outcomes and functional evaluations and radiographic results.</Pgraph><Pgraph><Mark1>Material and methods: </Mark1>This observational study included 90 patients, median age 67 years (range: 44 to 80), 58 females, who underwent THR. BMI, patient-reported Maudsley Roles and Harris Hip scores were assessed preoperatively and postoperatively up to a minimum of 2-year follow-up. Radiographic evaluation was performed on standard radiographs. Surgery time, blood loss, incision length, hospital stay, and complications were also recorded. All patients received the same uncemented acetabular press-fit cup and the same cementless short metaphyseal femoral stem.</Pgraph><Pgraph><Mark1>Results: </Mark1>Median follow-up period was 2.6 years (range 2.0 to 2.8). Incision length was 15 &#177; 2 cm, surgery time 62 &#177; 7 minutes, preoperative BMI 30.1 &#177; 4.6 kg&#47;m<Superscript>2</Superscript> (range 25&#8211;38), intraoperative blood loss was 380 ml (range 240&#8211;730). </Pgraph><Pgraph>Mean BMI was 29.2 &#177; 2.6 at latest follow-up. Changes in BMI were recorded in 15 patients (17&#37;) with a postoperative decrease by average 7 kg, 21 patients (23&#37;) with a postoperative increase by average 5 kg. The remaining 54 patients (60&#37;) maintained a constant BMI. </Pgraph><Pgraph>HHS increased from 40.1 &#177; 2.7 preoperatively to 91.2 &#177; 1.8. Subjective satisfaction evaluation according to Maudsley Roles score was excellent in 73 (81.1&#37;) patients and good in 17 (18.9&#37;), there were no fair or poor scores in any patient. Focusing on patients who sustained a BMI change, no HHS or Maudsley Roles Score change was reported.</Pgraph><Pgraph>Osseointegration was observed by newly formed trabecular meshwork around the cups excepting for asymptomatic radiolucent lines in 3 hips. There were 1 wound hematoma, 1 deep infection, treated with DAIR, 1 dislocation, incruentely reduced.</Pgraph><Pgraph><Mark1>Discussion and conclusions: </Mark1>THA is a safe procedure, functional, subjective and radiographic results are promising in high BMI patients. The patient improvements in subjective results are similar to normal weight patients.</Pgraph></TextBlock>
    <Media>
      <Tables>
        <NoOfTables>0</NoOfTables>
      </Tables>
      <Figures>
        <NoOfPictures>0</NoOfPictures>
      </Figures>
      <InlineFigures>
        <NoOfPictures>0</NoOfPictures>
      </InlineFigures>
      <Attachments>
        <NoOfAttachments>0</NoOfAttachments>
      </Attachments>
    </Media>
  </OrigData>
</GmsArticle>