Hindfoot Alignment Change After Total Ankle Arthroplasty for Varus Osteoarthritis
Background: In patients with end-stage varus ankle osteoarthritis (OA), hindfoot varus malalignment resulting from the varus deformity of the ankle joint is common. Although total ankle arthroplasty (TAA) performed to correct varus deformity of the ankle joint has the effect of correcting hindfoot a...
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| Veröffentlicht in: | Foot & ankle international 2021-04, Vol.42 (4), p.431-439 |
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| creator | Son, Hyuck Sung Choi, Jung Gyu Ahn, Jungtae Jeong, Bi O |
| description | Background:
In patients with end-stage varus ankle osteoarthritis (OA), hindfoot varus malalignment resulting from the varus deformity of the ankle joint is common. Although total ankle arthroplasty (TAA) performed to correct varus deformity of the ankle joint has the effect of correcting hindfoot alignment, no reports to date have described how much hindfoot alignment correction can be achieved. The purpose of this study was to identify correlation between ankle deformity correction and hindfoot alignment change after performing TAA in patients with end-stage varus ankle OA.
Methods:
A total of 61 cases that underwent TAA for end-stage varus ankle OA and followed up for at least 1 year were enrolled for this study. Correlation between changes of tibial-ankle surface angle (TAS), talar tilt (TT), and tibiotalar surface angle (TTS) and changes of hindfoot alignment angle (HA), hindfoot alignment ratio (HR), and hindfoot alignment distance (HD) measured preoperatively and at postoperative year 1 was analyzed.
Results:
TAS, TT, and TTS changed from 83.9 ± 4.1 degrees, 5.8 ± 5.0 degrees, and 78.1 ± 5.9 degrees, respectively, before operation to 89.2 ± 2.1 degrees, 0.4 ± 0.5 degrees, and 88.7 ± 2.3 degrees, respectively, after operation. HA, HR, and HD also changed from −9.2 ± 4.6 degrees, 0.66 ± 0.18, and −11.2 ± 6.9 mm to −3.7 ± 4.1 degrees, 0.48 ± 0.14, and −5.0 ± 5.3 mm. All the changes were statistically significant (P < .001, respectively). The regression slope of correlation was 0.390 (R2 = 0.654) between TTS and HA; 0.017 (R2 = 0.617) between TTS and HR; and 0.560 (R2 = 0.703) between TTS and HD.
Conclusion:
In patients with end-stage varus ankle OA, changes of hindfoot alignment could be predicted based on degree of ankle deformity corrected with TAA.
Level of Evidence:
Level IV, case series. |
| doi_str_mv | 10.1177/1071100720970937 |
| format | Article |
| fullrecord | <record><control><sourceid>proquest_cross</sourceid><recordid>TN_cdi_proquest_miscellaneous_2463104797</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sage_id>10.1177_1071100720970937</sage_id><sourcerecordid>2463104797</sourcerecordid><originalsourceid>FETCH-LOGICAL-c337t-516a61ee6820442295c6223005b1c1cb35af9a29a3ad8ae6c4c51dcdb3a8e90f3</originalsourceid><addsrcrecordid>eNp1kDFPwzAQhS0EoqWwMyGPLAGfncTxGFVAkSpVSIU1ujhOm5LGxXaG_ntStTAgMd3p3veedI-QW2APAFI-ApMAjEnOlGRKyDMyBhXHkcxkej7sgxwd9BG58n7DGEgB6pKMhOCQ8SQbk7dZ01W1tYHmbbPqtqYLdLrGbmVoXgfj6NIGbGnefbbDxYW1s7sWfdjT2jr6ga73dOGDsXjQmtD4a3JRY-vNzWlOyPvz03I6i-aLl9dpPo-0EDJECaSYgjFpxlkcc64SnXIuGEtK0KBLkWCtkCsUWGVoUh3rBCpdlQIzo1gtJuT-mLtz9qs3PhTbxmvTttgZ2_uCx6kAFkslB5QdUe2s987Uxc41W3T7AlhxKLL4W-RguTul9-XWVL-Gn-YGIDoCHlem2NjedcO3_wd-A19femA</addsrcrecordid><sourcetype>Aggregation Database</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>2463104797</pqid></control><display><type>article</type><title>Hindfoot Alignment Change After Total Ankle Arthroplasty for Varus Osteoarthritis</title><source>MEDLINE</source><source>SAGE Complete A-Z List</source><creator>Son, Hyuck Sung ; Choi, Jung Gyu ; Ahn, Jungtae ; Jeong, Bi O</creator><creatorcontrib>Son, Hyuck Sung ; Choi, Jung Gyu ; Ahn, Jungtae ; Jeong, Bi O</creatorcontrib><description>Background:
In patients with end-stage varus ankle osteoarthritis (OA), hindfoot varus malalignment resulting from the varus deformity of the ankle joint is common. Although total ankle arthroplasty (TAA) performed to correct varus deformity of the ankle joint has the effect of correcting hindfoot alignment, no reports to date have described how much hindfoot alignment correction can be achieved. The purpose of this study was to identify correlation between ankle deformity correction and hindfoot alignment change after performing TAA in patients with end-stage varus ankle OA.
Methods:
A total of 61 cases that underwent TAA for end-stage varus ankle OA and followed up for at least 1 year were enrolled for this study. Correlation between changes of tibial-ankle surface angle (TAS), talar tilt (TT), and tibiotalar surface angle (TTS) and changes of hindfoot alignment angle (HA), hindfoot alignment ratio (HR), and hindfoot alignment distance (HD) measured preoperatively and at postoperative year 1 was analyzed.
Results:
TAS, TT, and TTS changed from 83.9 ± 4.1 degrees, 5.8 ± 5.0 degrees, and 78.1 ± 5.9 degrees, respectively, before operation to 89.2 ± 2.1 degrees, 0.4 ± 0.5 degrees, and 88.7 ± 2.3 degrees, respectively, after operation. HA, HR, and HD also changed from −9.2 ± 4.6 degrees, 0.66 ± 0.18, and −11.2 ± 6.9 mm to −3.7 ± 4.1 degrees, 0.48 ± 0.14, and −5.0 ± 5.3 mm. All the changes were statistically significant (P < .001, respectively). The regression slope of correlation was 0.390 (R2 = 0.654) between TTS and HA; 0.017 (R2 = 0.617) between TTS and HR; and 0.560 (R2 = 0.703) between TTS and HD.
Conclusion:
In patients with end-stage varus ankle OA, changes of hindfoot alignment could be predicted based on degree of ankle deformity corrected with TAA.
Level of Evidence:
Level IV, case series.</description><identifier>ISSN: 1071-1007</identifier><identifier>EISSN: 1944-7876</identifier><identifier>DOI: 10.1177/1071100720970937</identifier><identifier>PMID: 33218258</identifier><language>eng</language><publisher>Los Angeles, CA: SAGE Publications</publisher><subject>Ankle ; Ankle Joint - diagnostic imaging ; Ankle Joint - surgery ; Arthroplasty, Replacement, Ankle ; Foot ; Humans ; Osteoarthritis - diagnostic imaging ; Osteoarthritis - surgery</subject><ispartof>Foot & ankle international, 2021-04, Vol.42 (4), p.431-439</ispartof><rights>The Author(s) 2020</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c337t-516a61ee6820442295c6223005b1c1cb35af9a29a3ad8ae6c4c51dcdb3a8e90f3</citedby><cites>FETCH-LOGICAL-c337t-516a61ee6820442295c6223005b1c1cb35af9a29a3ad8ae6c4c51dcdb3a8e90f3</cites><orcidid>0000-0002-4530-0512 ; 0000-0002-9881-2319</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://journals.sagepub.com/doi/pdf/10.1177/1071100720970937$$EPDF$$P50$$Gsage$$H</linktopdf><linktohtml>$$Uhttps://journals.sagepub.com/doi/10.1177/1071100720970937$$EHTML$$P50$$Gsage$$H</linktohtml><link.rule.ids>314,777,781,21800,27905,27906,43602,43603</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/33218258$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Son, Hyuck Sung</creatorcontrib><creatorcontrib>Choi, Jung Gyu</creatorcontrib><creatorcontrib>Ahn, Jungtae</creatorcontrib><creatorcontrib>Jeong, Bi O</creatorcontrib><title>Hindfoot Alignment Change After Total Ankle Arthroplasty for Varus Osteoarthritis</title><title>Foot & ankle international</title><addtitle>Foot Ankle Int</addtitle><description>Background:
In patients with end-stage varus ankle osteoarthritis (OA), hindfoot varus malalignment resulting from the varus deformity of the ankle joint is common. Although total ankle arthroplasty (TAA) performed to correct varus deformity of the ankle joint has the effect of correcting hindfoot alignment, no reports to date have described how much hindfoot alignment correction can be achieved. The purpose of this study was to identify correlation between ankle deformity correction and hindfoot alignment change after performing TAA in patients with end-stage varus ankle OA.
Methods:
A total of 61 cases that underwent TAA for end-stage varus ankle OA and followed up for at least 1 year were enrolled for this study. Correlation between changes of tibial-ankle surface angle (TAS), talar tilt (TT), and tibiotalar surface angle (TTS) and changes of hindfoot alignment angle (HA), hindfoot alignment ratio (HR), and hindfoot alignment distance (HD) measured preoperatively and at postoperative year 1 was analyzed.
Results:
TAS, TT, and TTS changed from 83.9 ± 4.1 degrees, 5.8 ± 5.0 degrees, and 78.1 ± 5.9 degrees, respectively, before operation to 89.2 ± 2.1 degrees, 0.4 ± 0.5 degrees, and 88.7 ± 2.3 degrees, respectively, after operation. HA, HR, and HD also changed from −9.2 ± 4.6 degrees, 0.66 ± 0.18, and −11.2 ± 6.9 mm to −3.7 ± 4.1 degrees, 0.48 ± 0.14, and −5.0 ± 5.3 mm. All the changes were statistically significant (P < .001, respectively). The regression slope of correlation was 0.390 (R2 = 0.654) between TTS and HA; 0.017 (R2 = 0.617) between TTS and HR; and 0.560 (R2 = 0.703) between TTS and HD.
Conclusion:
In patients with end-stage varus ankle OA, changes of hindfoot alignment could be predicted based on degree of ankle deformity corrected with TAA.
Level of Evidence:
Level IV, case series.</description><subject>Ankle</subject><subject>Ankle Joint - diagnostic imaging</subject><subject>Ankle Joint - surgery</subject><subject>Arthroplasty, Replacement, Ankle</subject><subject>Foot</subject><subject>Humans</subject><subject>Osteoarthritis - diagnostic imaging</subject><subject>Osteoarthritis - surgery</subject><issn>1071-1007</issn><issn>1944-7876</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp1kDFPwzAQhS0EoqWwMyGPLAGfncTxGFVAkSpVSIU1ujhOm5LGxXaG_ntStTAgMd3p3veedI-QW2APAFI-ApMAjEnOlGRKyDMyBhXHkcxkej7sgxwd9BG58n7DGEgB6pKMhOCQ8SQbk7dZ01W1tYHmbbPqtqYLdLrGbmVoXgfj6NIGbGnefbbDxYW1s7sWfdjT2jr6ga73dOGDsXjQmtD4a3JRY-vNzWlOyPvz03I6i-aLl9dpPo-0EDJECaSYgjFpxlkcc64SnXIuGEtK0KBLkWCtkCsUWGVoUh3rBCpdlQIzo1gtJuT-mLtz9qs3PhTbxmvTttgZ2_uCx6kAFkslB5QdUe2s987Uxc41W3T7AlhxKLL4W-RguTul9-XWVL-Gn-YGIDoCHlem2NjedcO3_wd-A19femA</recordid><startdate>202104</startdate><enddate>202104</enddate><creator>Son, Hyuck Sung</creator><creator>Choi, Jung Gyu</creator><creator>Ahn, Jungtae</creator><creator>Jeong, Bi O</creator><general>SAGE Publications</general><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>7X8</scope><orcidid>https://orcid.org/0000-0002-4530-0512</orcidid><orcidid>https://orcid.org/0000-0002-9881-2319</orcidid></search><sort><creationdate>202104</creationdate><title>Hindfoot Alignment Change After Total Ankle Arthroplasty for Varus Osteoarthritis</title><author>Son, Hyuck Sung ; Choi, Jung Gyu ; Ahn, Jungtae ; Jeong, Bi O</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c337t-516a61ee6820442295c6223005b1c1cb35af9a29a3ad8ae6c4c51dcdb3a8e90f3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Ankle</topic><topic>Ankle Joint - diagnostic imaging</topic><topic>Ankle Joint - surgery</topic><topic>Arthroplasty, Replacement, Ankle</topic><topic>Foot</topic><topic>Humans</topic><topic>Osteoarthritis - diagnostic imaging</topic><topic>Osteoarthritis - surgery</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Son, Hyuck Sung</creatorcontrib><creatorcontrib>Choi, Jung Gyu</creatorcontrib><creatorcontrib>Ahn, Jungtae</creatorcontrib><creatorcontrib>Jeong, Bi O</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Foot & ankle international</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Son, Hyuck Sung</au><au>Choi, Jung Gyu</au><au>Ahn, Jungtae</au><au>Jeong, Bi O</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Hindfoot Alignment Change After Total Ankle Arthroplasty for Varus Osteoarthritis</atitle><jtitle>Foot & ankle international</jtitle><addtitle>Foot Ankle Int</addtitle><date>2021-04</date><risdate>2021</risdate><volume>42</volume><issue>4</issue><spage>431</spage><epage>439</epage><pages>431-439</pages><issn>1071-1007</issn><eissn>1944-7876</eissn><abstract>Background:
In patients with end-stage varus ankle osteoarthritis (OA), hindfoot varus malalignment resulting from the varus deformity of the ankle joint is common. Although total ankle arthroplasty (TAA) performed to correct varus deformity of the ankle joint has the effect of correcting hindfoot alignment, no reports to date have described how much hindfoot alignment correction can be achieved. The purpose of this study was to identify correlation between ankle deformity correction and hindfoot alignment change after performing TAA in patients with end-stage varus ankle OA.
Methods:
A total of 61 cases that underwent TAA for end-stage varus ankle OA and followed up for at least 1 year were enrolled for this study. Correlation between changes of tibial-ankle surface angle (TAS), talar tilt (TT), and tibiotalar surface angle (TTS) and changes of hindfoot alignment angle (HA), hindfoot alignment ratio (HR), and hindfoot alignment distance (HD) measured preoperatively and at postoperative year 1 was analyzed.
Results:
TAS, TT, and TTS changed from 83.9 ± 4.1 degrees, 5.8 ± 5.0 degrees, and 78.1 ± 5.9 degrees, respectively, before operation to 89.2 ± 2.1 degrees, 0.4 ± 0.5 degrees, and 88.7 ± 2.3 degrees, respectively, after operation. HA, HR, and HD also changed from −9.2 ± 4.6 degrees, 0.66 ± 0.18, and −11.2 ± 6.9 mm to −3.7 ± 4.1 degrees, 0.48 ± 0.14, and −5.0 ± 5.3 mm. All the changes were statistically significant (P < .001, respectively). The regression slope of correlation was 0.390 (R2 = 0.654) between TTS and HA; 0.017 (R2 = 0.617) between TTS and HR; and 0.560 (R2 = 0.703) between TTS and HD.
Conclusion:
In patients with end-stage varus ankle OA, changes of hindfoot alignment could be predicted based on degree of ankle deformity corrected with TAA.
Level of Evidence:
Level IV, case series.</abstract><cop>Los Angeles, CA</cop><pub>SAGE Publications</pub><pmid>33218258</pmid><doi>10.1177/1071100720970937</doi><tpages>9</tpages><orcidid>https://orcid.org/0000-0002-4530-0512</orcidid><orcidid>https://orcid.org/0000-0002-9881-2319</orcidid></addata></record> |
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| ispartof | Foot & ankle international, 2021-04, Vol.42 (4), p.431-439 |
| issn | 1071-1007 1944-7876 |
| language | eng |
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| source | MEDLINE; SAGE Complete A-Z List |
| subjects | Ankle Ankle Joint - diagnostic imaging Ankle Joint - surgery Arthroplasty, Replacement, Ankle Foot Humans Osteoarthritis - diagnostic imaging Osteoarthritis - surgery |
| title | Hindfoot Alignment Change After Total Ankle Arthroplasty for Varus Osteoarthritis |
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