Two- to Four-Year Follow-up Results of Total Knee Arthroplasty Using a New High-Flexion Prosthesis
Identifieur interne : 000496 ( Pmc/Checkpoint ); précédent : 000495; suivant : 000497Two- to Four-Year Follow-up Results of Total Knee Arthroplasty Using a New High-Flexion Prosthesis
Auteurs : Man Soo Kim [Corée du Sud] ; In Jun Koh [Corée du Sud] ; Sung Won Jang [Corée du Sud] ; Neung Han Jeon [Corée du Sud] ; Yong In [Corée du Sud]Source :
- Knee Surgery & Related Research [ 2234-0726 ] ; 2016.
Abstract
The purpose of this study was to evaluate minimum 2-year follow-up results of total knee arthroplasty (TKA) performed using a new high-flexion prosthesis design (LOSPA).
The 2- to 4-year results of 191 consecutive TKAs (177 patients) with the LOSPA posterior-stabilized prosthesis were evaluated. The patients were assessed clinically and radiographically using the Knee Society scoring system (KSS) and the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC).
The mean range of motion (ROM) increased significantly from 117.4° (range, 75° to 140°) preoperatively to 126.7° (range, 80° to 144°) postoperatively (p<0.001). The mean KSS and WOMAC scores improved significantly from 121.4 (range, 42 to 185) and 56.1 (range, 23 to 88) preoperatively to 174.0 (range, 130 to 200) and 16.4 (range, 0 to 85) postoperatively, respectively (both, p<0.001). One knee required revision for deep infection. No knee had aseptic loosening or osteolysis. Radiolucent lines were noted in 15 knees (7.9%).
The new high-flexion total knee prosthesis resulted in no early aseptic loosening of the component and improved postoperative ROM comparable to other high-flexion TKA prostheses at 2- to 4-year follow-ups.
Url:
DOI: 10.5792/ksrr.2016.28.1.39
PubMed: 26955612
PubMed Central: 4779804
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Medicine, Seoul</wicri:regionArea><placeName><settlement type="city">Séoul</settlement><region type="capital">Région capitale de Séoul</region></placeName></affiliation></author><author><name sortKey="Koh, In Jun" sort="Koh, In Jun" uniqKey="Koh I" first="In Jun" last="Koh">In Jun Koh</name><affiliation wicri:level="3"><nlm:aff id="A1">Department of Orthopaedic Surgery, Seoul St. Mary's Hospital, The Catholic University of Korea College of Medicine, Seoul, Korea.</nlm:aff><country xml:lang="fr" wicri:curation="lc">Corée du Sud</country><wicri:regionArea>Department of Orthopaedic Surgery, Seoul St. Mary's Hospital, The Catholic University of Korea College of Medicine, Seoul</wicri:regionArea><placeName><settlement type="city">Séoul</settlement><region type="capital">Région capitale de Séoul</region></placeName></affiliation></author><author><name sortKey="Jang, Sung Won" sort="Jang, Sung Won" uniqKey="Jang S" first="Sung Won" last="Jang">Sung Won Jang</name><affiliation wicri:level="3"><nlm:aff id="A1">Department of Orthopaedic Surgery, Seoul St. Mary's Hospital, The Catholic University of Korea College of Medicine, Seoul, Korea.</nlm:aff><country xml:lang="fr" wicri:curation="lc">Corée du Sud</country><wicri:regionArea>Department of Orthopaedic Surgery, Seoul St. Mary's Hospital, The Catholic University of Korea College of Medicine, Seoul</wicri:regionArea><placeName><settlement type="city">Séoul</settlement><region type="capital">Région capitale de Séoul</region></placeName></affiliation></author><author><name sortKey="Jeon, Neung Han" sort="Jeon, Neung Han" uniqKey="Jeon N" first="Neung Han" last="Jeon">Neung Han Jeon</name><affiliation wicri:level="3"><nlm:aff id="A1">Department of Orthopaedic Surgery, Seoul St. Mary's Hospital, The Catholic University of Korea College of Medicine, Seoul, Korea.</nlm:aff><country xml:lang="fr" wicri:curation="lc">Corée du Sud</country><wicri:regionArea>Department of Orthopaedic Surgery, Seoul St. Mary's Hospital, The Catholic University of Korea College of Medicine, Seoul</wicri:regionArea><placeName><settlement type="city">Séoul</settlement><region type="capital">Région capitale de Séoul</region></placeName></affiliation></author><author><name sortKey="In, Yong" sort="In, Yong" uniqKey="In Y" first="Yong" last="In">Yong In</name><affiliation wicri:level="3"><nlm:aff id="A1">Department of Orthopaedic Surgery, Seoul St. Mary's Hospital, The Catholic University of Korea College of Medicine, Seoul, Korea.</nlm:aff><country xml:lang="fr" wicri:curation="lc">Corée du Sud</country><wicri:regionArea>Department of Orthopaedic Surgery, Seoul St. Mary's Hospital, The Catholic University of Korea College of Medicine, Seoul</wicri:regionArea><placeName><settlement type="city">Séoul</settlement><region type="capital">Région capitale de Séoul</region></placeName></affiliation></author></analytic><series><title level="j">Knee Surgery & Related Research</title><idno type="ISSN">2234-0726</idno><idno type="eISSN">2234-2451</idno><imprint><date when="2016">2016</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><sec><title>Purpose</title><p>The purpose of this study was to evaluate minimum 2-year follow-up results of total knee arthroplasty (TKA) performed using a new high-flexion
prosthesis design (LOSPA).</p></sec><sec><title>Materials and Methods</title><p>The 2- to 4-year results of 191 consecutive TKAs (177 patients) with the LOSPA posterior-stabilized prosthesis were evaluated. The patients were assessed clinically and radiographically using the Knee Society scoring system (KSS) and the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC).</p></sec><sec><title>Results</title><p>The mean range of motion (ROM) increased significantly from 117.4° (range, 75° to 140°) preoperatively to 126.7° (range, 80° to 144°) postoperatively (p<0.001). The mean KSS and WOMAC scores improved significantly from 121.4 (range, 42 to 185) and 56.1 (range, 23 to 88) preoperatively to 174.0 (range, 130 to 200) and 16.4 (range, 0 to 85) postoperatively, respectively (both, p<0.001). One knee required revision for deep infection. No knee had aseptic loosening or osteolysis. Radiolucent lines were noted in 15 knees (7.9%).</p></sec><sec><title>Conclusions</title><p>The new high-flexion total knee prosthesis resulted in no early aseptic loosening of the component and improved postoperative ROM comparable to other high-flexion TKA prostheses at 2- to 4-year follow-ups.</p></sec></div></front><back><div1 type="bibliography"><listBibl><biblStruct><analytic><author><name sortKey="Heiberg, K" uniqKey="Heiberg K">K Heiberg</name></author><author><name sortKey="Bruun Olsen, V" uniqKey="Bruun Olsen V">V Bruun-Olsen</name></author><author><name sortKey="Mengshoel, Am" uniqKey="Mengshoel A">AM Mengshoel</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Kurosaka, M" uniqKey="Kurosaka M">M Kurosaka</name></author><author><name sortKey="Yoshiya, S" uniqKey="Yoshiya S">S Yoshiya</name></author><author><name sortKey="Mizuno, K" uniqKey="Mizuno K">K Mizuno</name></author><author><name sortKey="Yamamoto, T" uniqKey="Yamamoto T">T 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<front><journal-meta><journal-id journal-id-type="nlm-ta">Knee Surg Relat Res</journal-id><journal-id journal-id-type="iso-abbrev">Knee Surg Relat Res</journal-id><journal-id journal-id-type="publisher-id">KSRR</journal-id><journal-title-group><journal-title>Knee Surgery & Related Research</journal-title></journal-title-group><issn pub-type="ppub">2234-0726</issn><issn pub-type="epub">2234-2451</issn><publisher><publisher-name>The Korean Knee Society</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="pmid">26955612</article-id><article-id pub-id-type="pmc">4779804</article-id><article-id pub-id-type="doi">10.5792/ksrr.2016.28.1.39</article-id><article-categories><subj-group subj-group-type="heading"><subject>Original Article</subject></subj-group></article-categories><title-group><article-title>Two- to Four-Year Follow-up Results of Total Knee Arthroplasty Using a New High-Flexion Prosthesis</article-title></title-group><contrib-group><contrib contrib-type="author"><name><surname>Kim</surname><given-names>Man Soo</given-names></name><degrees>MD</degrees><xref ref-type="aff" rid="A1"></xref></contrib><contrib contrib-type="author"><name><surname>Koh</surname><given-names>In Jun</given-names></name><degrees>MD</degrees><xref ref-type="aff" rid="A1"></xref></contrib><contrib contrib-type="author"><name><surname>Jang</surname><given-names>Sung Won</given-names></name><degrees>MD</degrees><xref ref-type="aff" rid="A1"></xref></contrib><contrib contrib-type="author"><name><surname>Jeon</surname><given-names>Neung Han</given-names></name><degrees>MD</degrees><xref ref-type="aff" rid="A1"></xref></contrib><contrib contrib-type="author" corresp="yes"><name><surname>In</surname><given-names>Yong</given-names></name><degrees>MD</degrees><xref ref-type="aff" rid="A1"></xref></contrib></contrib-group><aff id="A1">Department of Orthopaedic Surgery, Seoul St. Mary's Hospital, The Catholic University of Korea College of Medicine, Seoul, Korea.</aff><author-notes><corresp>Correspondence to: Yong In, MD. Department of Orthopaedic Surgery, Seoul St. Mary's Hospital, The Catholic University of Korea College of Medicine, 222 Banpo-daero, Seocho-gu, Seoul 06591, Korea. Tel: +82-2-2258-2838, Fax: +82-2-535-9834, <email>iy1000@catholic.ac.kr</email></corresp></author-notes><pub-date pub-type="ppub"><month>3</month><year>2016</year></pub-date><pub-date pub-type="epub"><day>29</day><month>2</month><year>2016</year></pub-date><volume>28</volume><issue>1</issue><fpage>39</fpage><lpage>45</lpage><history><date date-type="received"><day>13</day><month>9</month><year>2015</year></date><date date-type="rev-recd"><day>02</day><month>12</month><year>2015</year></date><date date-type="accepted"><day>15</day><month>12</month><year>2015</year></date></history><permissions><copyright-statement>Copyright © 2016 KOREAN KNEE SOCIETY</copyright-statement><copyright-year>2016</copyright-year><license license-type="open-access" xlink:href="http://creativecommons.org/licenses/by-nc/4.0/"><license-p>This is an open access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (<ext-link ext-link-type="uri" xlink:href="http://creativecommons.org/licenses/by-nc/4.0/">http://creativecommons.org/licenses/by-nc/4.0/</ext-link>) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.</license-p></license></permissions><abstract><sec><title>Purpose</title><p>The purpose of this study was to evaluate minimum 2-year follow-up results of total knee arthroplasty (TKA) performed using a new high-flexion
prosthesis design (LOSPA).</p></sec><sec><title>Materials and Methods</title><p>The 2- to 4-year results of 191 consecutive TKAs (177 patients) with the LOSPA posterior-stabilized prosthesis were evaluated. The patients were assessed clinically and radiographically using the Knee Society scoring system (KSS) and the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC).</p></sec><sec><title>Results</title><p>The mean range of motion (ROM) increased significantly from 117.4° (range, 75° to 140°) preoperatively to 126.7° (range, 80° to 144°) postoperatively (p<0.001). The mean KSS and WOMAC scores improved significantly from 121.4 (range, 42 to 185) and 56.1 (range, 23 to 88) preoperatively to 174.0 (range, 130 to 200) and 16.4 (range, 0 to 85) postoperatively, respectively (both, p<0.001). One knee required revision for deep infection. No knee had aseptic loosening or osteolysis. Radiolucent lines were noted in 15 knees (7.9%).</p></sec><sec><title>Conclusions</title><p>The new high-flexion total knee prosthesis resulted in no early aseptic loosening of the component and improved postoperative ROM comparable to other high-flexion TKA prostheses at 2- to 4-year follow-ups.</p></sec></abstract><kwd-group><kwd>Knee</kwd><kwd>Arthroplasty</kwd><kwd>Range of motion</kwd><kwd>Prosthesis design</kwd><kwd>Outcome assessment</kwd></kwd-group></article-meta></front><floats-group><fig id="F1" orientation="portrait" position="float"><label>Fig. 1</label><caption><title>Femoral component, tibial insert, and tibial component of the LOSPA total knee prosthesis. LOSPA prosthesis requires removal of additional bone from the posterior femoral condyle to add 10 mm posterior condyle at a large posterior radius of the femoral component. In addition, the femoral component has a more rounded contour and a deepened patellar groove to help deep flexion. The posterior surface of the insert is released for deep flexion favoring design.</title></caption><graphic xlink:href="ksrr-28-39-g001"></graphic></fig><fig id="F2" orientation="portrait" position="float"><label>Fig. 2</label><caption><title>The lateral radiograph of the left knee of a 68-year-old female shows radiolucent lines around the anterior cortex and posterior condylar area 3 years postoperatively. Arrow: these findings were not progressive and the patient had no symptoms or signs of aseptic loosening.</title></caption><graphic xlink:href="ksrr-28-39-g002"></graphic></fig><table-wrap id="T1" orientation="portrait" position="float"><label>Table 1</label><caption><title>Patient Demographics</title></caption><graphic xlink:href="ksrr-28-39-i001"></graphic><table-wrap-foot><fn><p>Values are presented as mean±standard deviation or number (range).</p><p>TKA: total knee arthroplasty, R: right, L: left, HKA: hip-knee-ankle.</p><p><sup>a)</sup>Data are presented as femorotibial angle.</p></fn></table-wrap-foot></table-wrap><table-wrap id="T2" orientation="portrait" position="float"><label>Table 2</label><caption><title>Preoperative (Preop) and Postoperative (Postop) Range of Motion</title></caption><graphic xlink:href="ksrr-28-39-i002"></graphic><table-wrap-foot><fn><p>Values are presented as mean±standard deviation (range). p-value<0.001.</p></fn></table-wrap-foot></table-wrap><table-wrap id="T3" orientation="portrait" position="float"><label>Table 3</label><caption><title>Preoperative (Preop) and Postoperative (Postop) Clinical Scores</title></caption><graphic xlink:href="ksrr-28-39-i003"></graphic><table-wrap-foot><fn><p>Values are presented as mean±standard deviation (range). p-value<0.001.</p><p>WOMAC: Western Ontario and McMaster Universities.</p></fn></table-wrap-foot></table-wrap><table-wrap id="T4" orientation="portrait" position="float"><label>Table 4</label><caption><title>Summary of Previous Studies on Flexion Angle, Radiolucent Lines, and Aseptic Loosening after Total Knee Arthroplasty Using High Flexion Design Prostheses</title></caption><graphic xlink:href="ksrr-28-39-i004"></graphic><table-wrap-foot><fn><p>F/U: follow-up, Preop: preoperative, Postop: postoperative, NR: no report.</p></fn></table-wrap-foot></table-wrap></floats-group></pmc><affiliations><list><country><li>Corée du Sud</li></country><region><li>Région capitale de Séoul</li></region><settlement><li>Séoul</li></settlement></list><tree><country name="Corée du Sud"><region name="Région capitale de Séoul"><name sortKey="Kim, Man Soo" sort="Kim, Man Soo" uniqKey="Kim M" first="Man Soo" last="Kim">Man Soo Kim</name></region><name sortKey="In, Yong" sort="In, Yong" uniqKey="In Y" first="Yong" last="In">Yong In</name><name sortKey="Jang, Sung Won" sort="Jang, Sung Won" uniqKey="Jang S" first="Sung Won" last="Jang">Sung Won Jang</name><name sortKey="Jeon, Neung Han" sort="Jeon, Neung Han" uniqKey="Jeon N" first="Neung Han" last="Jeon">Neung Han Jeon</name><name sortKey="Koh, In Jun" sort="Koh, In Jun" uniqKey="Koh I" first="In Jun" last="Koh">In Jun Koh</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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