Sagittal bowing of the distal femur in Chinese patients who require total knee arthroplasty
Purposes: The importance of the femoral sagittal bowing on total knee arthroplasty is under-recognized. The bowing could lead to potential errors in positioning of the femoral component if it is ignored. We aimed to document the femoral sagittal bowing at different segments of the Chinese femur and...
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| Veröffentlicht in: | Journal of orthopaedic research 2005, Vol.23 (1), p.41-45 |
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| creator | Tang, W.M. Chiu, K.Y. Kwan, M.F.Y. Ng, T.P. Yau, W.P. |
| description | Purposes: The importance of the femoral sagittal bowing on total knee arthroplasty is under-recognized. The bowing could lead to potential errors in positioning of the femoral component if it is ignored. We aimed to document the femoral sagittal bowing at different segments of the Chinese femur and to discuss the implications of this sagittal bowing on total knee arthroplasty.
Methods: One hundred lateral radiographs of the entire lower limbs of 85 Chinese patients admitted for total knee arthroplasty were digitized. The radii of curvature of the intramedullary canal of the proximal, middle and distal one-third of the femora were measured.
Results: The average age of the patients was 67.3 years. The radii of curvature of the proximal, middle and distal one-third of the femora were 1081.6, 926.2 and 715.1 mm, respectively. The distal one-third of the femora was significantly more bowed than the other parts of the femora (
p
<
0.001). The distal femoral bowing was more profound in rheumatoid patients and in those with a short femur.
Conclusions: The lateral contour of the Chinese femur is like a hockey stick. This exaggerated sagittal bowing in the Chinese femur can affect the final sagittal position of the femoral component and has implications for the choice of implant design. In revision setting, a long and straight press-fit stem might either endanger the anterior cortex or deflect the femoral component to an abnormally extended position. |
| doi_str_mv | 10.1016/j.orthres.2004.06.013 |
| format | Article |
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Methods: One hundred lateral radiographs of the entire lower limbs of 85 Chinese patients admitted for total knee arthroplasty were digitized. The radii of curvature of the intramedullary canal of the proximal, middle and distal one-third of the femora were measured.
Results: The average age of the patients was 67.3 years. The radii of curvature of the proximal, middle and distal one-third of the femora were 1081.6, 926.2 and 715.1 mm, respectively. The distal one-third of the femora was significantly more bowed than the other parts of the femora (
p
<
0.001). The distal femoral bowing was more profound in rheumatoid patients and in those with a short femur.
Conclusions: The lateral contour of the Chinese femur is like a hockey stick. This exaggerated sagittal bowing in the Chinese femur can affect the final sagittal position of the femoral component and has implications for the choice of implant design. In revision setting, a long and straight press-fit stem might either endanger the anterior cortex or deflect the femoral component to an abnormally extended position.</description><identifier>ISSN: 0736-0266</identifier><identifier>EISSN: 1554-527X</identifier><identifier>DOI: 10.1016/j.orthres.2004.06.013</identifier><identifier>PMID: 15607873</identifier><identifier>CODEN: JOREDR</identifier><language>eng</language><publisher>Hoboken: Elsevier Ltd</publisher><subject>Adult ; Aged ; Arthroplasty ; Arthroplasty, Replacement, Knee - methods ; Bowing ; Female ; Femur ; Femur - anatomy & histology ; Femur - diagnostic imaging ; Humans ; Knee ; Middle Aged ; Radiography ; Sagittal</subject><ispartof>Journal of orthopaedic research, 2005, Vol.23 (1), p.41-45</ispartof><rights>2004 Orthopaedic Research Society</rights><rights>Copyright © 2005 Orthopaedic Research Society</rights><rights>Copyright Journal of Bone and Joint Surgery, Inc. Jan 2005</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c5987-b1c63d947049cd621af43a13fd65f4b243fb87efc48c8b8b9d68070f325a10413</citedby><cites>FETCH-LOGICAL-c5987-b1c63d947049cd621af43a13fd65f4b243fb87efc48c8b8b9d68070f325a10413</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1016%2Fj.orthres.2004.06.013$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1016%2Fj.orthres.2004.06.013$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,776,780,1411,1427,4010,27900,27901,27902,45550,45551,46384,46808</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/15607873$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Tang, W.M.</creatorcontrib><creatorcontrib>Chiu, K.Y.</creatorcontrib><creatorcontrib>Kwan, M.F.Y.</creatorcontrib><creatorcontrib>Ng, T.P.</creatorcontrib><creatorcontrib>Yau, W.P.</creatorcontrib><title>Sagittal bowing of the distal femur in Chinese patients who require total knee arthroplasty</title><title>Journal of orthopaedic research</title><addtitle>J. Orthop. Res</addtitle><description>Purposes: The importance of the femoral sagittal bowing on total knee arthroplasty is under-recognized. The bowing could lead to potential errors in positioning of the femoral component if it is ignored. We aimed to document the femoral sagittal bowing at different segments of the Chinese femur and to discuss the implications of this sagittal bowing on total knee arthroplasty.
Methods: One hundred lateral radiographs of the entire lower limbs of 85 Chinese patients admitted for total knee arthroplasty were digitized. The radii of curvature of the intramedullary canal of the proximal, middle and distal one-third of the femora were measured.
Results: The average age of the patients was 67.3 years. The radii of curvature of the proximal, middle and distal one-third of the femora were 1081.6, 926.2 and 715.1 mm, respectively. The distal one-third of the femora was significantly more bowed than the other parts of the femora (
p
<
0.001). The distal femoral bowing was more profound in rheumatoid patients and in those with a short femur.
Conclusions: The lateral contour of the Chinese femur is like a hockey stick. This exaggerated sagittal bowing in the Chinese femur can affect the final sagittal position of the femoral component and has implications for the choice of implant design. In revision setting, a long and straight press-fit stem might either endanger the anterior cortex or deflect the femoral component to an abnormally extended position.</description><subject>Adult</subject><subject>Aged</subject><subject>Arthroplasty</subject><subject>Arthroplasty, Replacement, Knee - methods</subject><subject>Bowing</subject><subject>Female</subject><subject>Femur</subject><subject>Femur - anatomy & histology</subject><subject>Femur - diagnostic imaging</subject><subject>Humans</subject><subject>Knee</subject><subject>Middle Aged</subject><subject>Radiography</subject><subject>Sagittal</subject><issn>0736-0266</issn><issn>1554-527X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2005</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>BENPR</sourceid><recordid>eNqNkdFu0zAUhi0EYqXwCCCLC-5Sju3YTq8AVWwDKiYxGJO4sJzkZHWXxp2drPTtcdQKJG7gypL1nV_nfD8hzxnMGDD1ej3zoV8FjDMOkM9AzYCJB2TCpMwzyfX1QzIBLVQGXKkT8iTGNQBoxovH5IRJBbrQYkJ-XNob1_e2paXfue6G-ob2K6S1i-Nng5shUNfRxcp1GJFube-w6yPdrTwNeDe4gLT3I3vbIVI7LuW3rY39_il51Ng24rPjOyXfTt9_XZxny4uzD4t3y6yS80JnJauUqOe5hnxe1Yoz2-TCMtHUSjZ5yXPRlIXGpsqLqiiLcl6rAjQ0gkvLIGdiSl4dcrfB3w0Ye7NxscK2tR36IRqlBdc5iAS-_Atc-yF0aTfDhWSMSyYTJA9QFXyMARuzDW5jw94wMKN6szZH9WZUb0CZpD7NvTiGD-UG6z9TR9cJeHsAdq7F_f-lmo8XXxgD4AJYanNKskNEagd__o6w4XY8Ukvz_fOZuVqeXi6v-LX5lPg3Bx6T_nuHwcQq1VdhnWqrelN794-rfgHybbsP</recordid><startdate>2005</startdate><enddate>2005</enddate><creator>Tang, W.M.</creator><creator>Chiu, K.Y.</creator><creator>Kwan, M.F.Y.</creator><creator>Ng, T.P.</creator><creator>Yau, W.P.</creator><general>Elsevier Ltd</general><general>Wiley Subscription Services, Inc., A Wiley Company</general><general>Blackwell Publishing Ltd</general><scope>BSCLL</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7X7</scope><scope>7XB</scope><scope>88E</scope><scope>88I</scope><scope>8AF</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>K9.</scope><scope>M0S</scope><scope>M1P</scope><scope>M2P</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>Q9U</scope><scope>7X8</scope></search><sort><creationdate>2005</creationdate><title>Sagittal bowing of the distal femur in Chinese patients who require total knee arthroplasty</title><author>Tang, W.M. ; Chiu, K.Y. ; Kwan, M.F.Y. ; Ng, T.P. ; Yau, W.P.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c5987-b1c63d947049cd621af43a13fd65f4b243fb87efc48c8b8b9d68070f325a10413</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2005</creationdate><topic>Adult</topic><topic>Aged</topic><topic>Arthroplasty</topic><topic>Arthroplasty, Replacement, Knee - methods</topic><topic>Bowing</topic><topic>Female</topic><topic>Femur</topic><topic>Femur - anatomy & histology</topic><topic>Femur - diagnostic imaging</topic><topic>Humans</topic><topic>Knee</topic><topic>Middle Aged</topic><topic>Radiography</topic><topic>Sagittal</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Tang, W.M.</creatorcontrib><creatorcontrib>Chiu, K.Y.</creatorcontrib><creatorcontrib>Kwan, M.F.Y.</creatorcontrib><creatorcontrib>Ng, T.P.</creatorcontrib><creatorcontrib>Yau, W.P.</creatorcontrib><collection>Istex</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Health & Medical Collection</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Medical Database (Alumni Edition)</collection><collection>Science Database (Alumni Edition)</collection><collection>STEM Database</collection><collection>Hospital Premium Collection</collection><collection>Hospital Premium Collection (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>Health Research Premium Collection</collection><collection>Health Research Premium Collection (Alumni)</collection><collection>ProQuest Central Student</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>Health & Medical Collection (Alumni Edition)</collection><collection>Medical Database</collection><collection>Science Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>ProQuest Central Basic</collection><collection>MEDLINE - Academic</collection><jtitle>Journal of orthopaedic research</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Tang, W.M.</au><au>Chiu, K.Y.</au><au>Kwan, M.F.Y.</au><au>Ng, T.P.</au><au>Yau, W.P.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Sagittal bowing of the distal femur in Chinese patients who require total knee arthroplasty</atitle><jtitle>Journal of orthopaedic research</jtitle><addtitle>J. Orthop. Res</addtitle><date>2005</date><risdate>2005</risdate><volume>23</volume><issue>1</issue><spage>41</spage><epage>45</epage><pages>41-45</pages><issn>0736-0266</issn><eissn>1554-527X</eissn><coden>JOREDR</coden><abstract>Purposes: The importance of the femoral sagittal bowing on total knee arthroplasty is under-recognized. The bowing could lead to potential errors in positioning of the femoral component if it is ignored. We aimed to document the femoral sagittal bowing at different segments of the Chinese femur and to discuss the implications of this sagittal bowing on total knee arthroplasty.
Methods: One hundred lateral radiographs of the entire lower limbs of 85 Chinese patients admitted for total knee arthroplasty were digitized. The radii of curvature of the intramedullary canal of the proximal, middle and distal one-third of the femora were measured.
Results: The average age of the patients was 67.3 years. The radii of curvature of the proximal, middle and distal one-third of the femora were 1081.6, 926.2 and 715.1 mm, respectively. The distal one-third of the femora was significantly more bowed than the other parts of the femora (
p
<
0.001). The distal femoral bowing was more profound in rheumatoid patients and in those with a short femur.
Conclusions: The lateral contour of the Chinese femur is like a hockey stick. This exaggerated sagittal bowing in the Chinese femur can affect the final sagittal position of the femoral component and has implications for the choice of implant design. In revision setting, a long and straight press-fit stem might either endanger the anterior cortex or deflect the femoral component to an abnormally extended position.</abstract><cop>Hoboken</cop><pub>Elsevier Ltd</pub><pmid>15607873</pmid><doi>10.1016/j.orthres.2004.06.013</doi><tpages>5</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Adult Aged Arthroplasty Arthroplasty, Replacement, Knee - methods Bowing Female Femur Femur - anatomy & histology Femur - diagnostic imaging Humans Knee Middle Aged Radiography Sagittal |
| title | Sagittal bowing of the distal femur in Chinese patients who require total knee arthroplasty |
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