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Evaluation of Tibial Torsion in Yorkshire Terriers with and without Medial Patellar Luxation
Objective To determine if medial patellar luxation (MPL) in Yorkshire Terriers is associated with tibial torsion. Study Design Prospective cross‐sectional study. Animals Yorkshire Terriers (n = 30; 60 tibiae). Methods Each MPL was graded using a categorical grading scheme. Computed tomography of the...
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| Published in: | Veterinary surgery 2012-11, Vol.41 (8), p.966-972 |
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| Main Authors: | , , , , |
| Format: | Article |
| Language: | English |
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| cites | cdi_FETCH-LOGICAL-c4851-4241fee06bc3fd69443e83b244eb939b4b22e2afb3acef3d902ea6628904b4d23 |
| container_end_page | 972 |
| container_issue | 8 |
| container_start_page | 966 |
| container_title | Veterinary surgery |
| container_volume | 41 |
| creator | Fitzpatrick, Courtney L. Krotscheck, Ursula Thompson, Margret S. Todhunter, Rory J. Zhang, Zhiwu |
| description | Objective
To determine if medial patellar luxation (MPL) in Yorkshire Terriers is associated with tibial torsion.
Study Design
Prospective cross‐sectional study.
Animals
Yorkshire Terriers (n = 30; 60 tibiae).
Methods
Each MPL was graded using a categorical grading scheme. Computed tomography of the tibiae was performed and tibial torsion angle (TTA) was assessed. MPL grade was analyzed with a general linear model where the independent variables include sex, neutering status, age, weight, and TTA.
Results
Factors that had collective impact on MPL grade were TTA, age, and weight squared. As MPL grade increased, TTA decreased by 0.05° and age increased by 0.13 years. As weight increased, MPL decreased. There was no effect (P > .05) from scorers, side, and neutering status.
Conclusion
Body weight squared, TTA, and age affect MPL grade, suggesting that a torsional deformity may contribute to the development of MPL in Yorkshire terriers along with weight and age. |
| doi_str_mv | 10.1111/j.1532-950X.2012.01041.x |
| format | article |
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To determine if medial patellar luxation (MPL) in Yorkshire Terriers is associated with tibial torsion.
Study Design
Prospective cross‐sectional study.
Animals
Yorkshire Terriers (n = 30; 60 tibiae).
Methods
Each MPL was graded using a categorical grading scheme. Computed tomography of the tibiae was performed and tibial torsion angle (TTA) was assessed. MPL grade was analyzed with a general linear model where the independent variables include sex, neutering status, age, weight, and TTA.
Results
Factors that had collective impact on MPL grade were TTA, age, and weight squared. As MPL grade increased, TTA decreased by 0.05° and age increased by 0.13 years. As weight increased, MPL decreased. There was no effect (P > .05) from scorers, side, and neutering status.
Conclusion
Body weight squared, TTA, and age affect MPL grade, suggesting that a torsional deformity may contribute to the development of MPL in Yorkshire terriers along with weight and age.</description><identifier>ISSN: 0161-3499</identifier><identifier>EISSN: 1532-950X</identifier><identifier>DOI: 10.1111/j.1532-950X.2012.01041.x</identifier><identifier>PMID: 23198923</identifier><language>eng</language><publisher>United States: Blackwell Publishing Ltd</publisher><subject>Animals ; Cross-Sectional Studies ; Dog Diseases - congenital ; Dog Diseases - epidemiology ; Dogs ; Female ; Knee ; Male ; Medical imaging ; Patellar Dislocation - complications ; Patellar Dislocation - veterinary ; Tibia - pathology ; Tomography, X-Ray Computed ; Torsion Abnormality - veterinary ; Veterinary medicine</subject><ispartof>Veterinary surgery, 2012-11, Vol.41 (8), p.966-972</ispartof><rights>Copyright 2012 by The American College of Veterinary Surgeons</rights><rights>Copyright 2012 by The American College of Veterinary Surgeons.</rights><rights>2012 American College of Veterinary Surgeons</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c4851-4241fee06bc3fd69443e83b244eb939b4b22e2afb3acef3d902ea6628904b4d23</citedby><cites>FETCH-LOGICAL-c4851-4241fee06bc3fd69443e83b244eb939b4b22e2afb3acef3d902ea6628904b4d23</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,777,781,27905,27906</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/23198923$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Fitzpatrick, Courtney L.</creatorcontrib><creatorcontrib>Krotscheck, Ursula</creatorcontrib><creatorcontrib>Thompson, Margret S.</creatorcontrib><creatorcontrib>Todhunter, Rory J.</creatorcontrib><creatorcontrib>Zhang, Zhiwu</creatorcontrib><title>Evaluation of Tibial Torsion in Yorkshire Terriers with and without Medial Patellar Luxation</title><title>Veterinary surgery</title><addtitle>Veterinary Surgery</addtitle><description>Objective
To determine if medial patellar luxation (MPL) in Yorkshire Terriers is associated with tibial torsion.
Study Design
Prospective cross‐sectional study.
Animals
Yorkshire Terriers (n = 30; 60 tibiae).
Methods
Each MPL was graded using a categorical grading scheme. Computed tomography of the tibiae was performed and tibial torsion angle (TTA) was assessed. MPL grade was analyzed with a general linear model where the independent variables include sex, neutering status, age, weight, and TTA.
Results
Factors that had collective impact on MPL grade were TTA, age, and weight squared. As MPL grade increased, TTA decreased by 0.05° and age increased by 0.13 years. As weight increased, MPL decreased. There was no effect (P > .05) from scorers, side, and neutering status.
Conclusion
Body weight squared, TTA, and age affect MPL grade, suggesting that a torsional deformity may contribute to the development of MPL in Yorkshire terriers along with weight and age.</description><subject>Animals</subject><subject>Cross-Sectional Studies</subject><subject>Dog Diseases - congenital</subject><subject>Dog Diseases - epidemiology</subject><subject>Dogs</subject><subject>Female</subject><subject>Knee</subject><subject>Male</subject><subject>Medical imaging</subject><subject>Patellar Dislocation - complications</subject><subject>Patellar Dislocation - veterinary</subject><subject>Tibia - pathology</subject><subject>Tomography, X-Ray Computed</subject><subject>Torsion Abnormality - veterinary</subject><subject>Veterinary medicine</subject><issn>0161-3499</issn><issn>1532-950X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><recordid>eNqNkUtv1DAUhS0EotPCX0CW2LBJ6lceXrCAqrSVhodESkFCsuzkRvU0Exc7aaf_vvZMmQUrvPGV_Z1zj-5FCFOS03iOVzktOMtkQX7mjFCWE0oEzTfP0GL_8RwtCC1pxoWUB-gwhBUhRArBX6IDxqmsJeML9Pv0Tg-znqwbsetxY43VA26cD-nFjviX8zfh2nrADXhvwQd8b6drrMduW7h5wp-hS6pveoJh0B4v583W8RV60eshwOun-whdfjptTs6z5dezi5MPy6wVdUEzwQTtAUhpWt53ZcoINTdMCDCSSyMMY8B0b7huoeedJAx0WbJaEmFEx_gRerfzvfXuzwxhUmsb2pRlBDcHRRmjdcFkVUT07T_oys1-jOkSRepoW8lI1Tuq9S4ED7269Xat_YOiRKUNqJVKg1Zp0CptQG03oDZR-uapwWzW0O2Ff0cegfc74N4O8PDfxurH98tURX2209swwWav1_5GlRWvCnX15Ux95FcVoY2IxSORtKN0</recordid><startdate>201211</startdate><enddate>201211</enddate><creator>Fitzpatrick, Courtney L.</creator><creator>Krotscheck, Ursula</creator><creator>Thompson, Margret S.</creator><creator>Todhunter, Rory J.</creator><creator>Zhang, Zhiwu</creator><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>8FD</scope><scope>FR3</scope><scope>M7Z</scope><scope>P64</scope><scope>7X8</scope></search><sort><creationdate>201211</creationdate><title>Evaluation of Tibial Torsion in Yorkshire Terriers with and without Medial Patellar Luxation</title><author>Fitzpatrick, Courtney L. ; Krotscheck, Ursula ; Thompson, Margret S. ; Todhunter, Rory J. ; Zhang, Zhiwu</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4851-4241fee06bc3fd69443e83b244eb939b4b22e2afb3acef3d902ea6628904b4d23</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>Animals</topic><topic>Cross-Sectional Studies</topic><topic>Dog Diseases - congenital</topic><topic>Dog Diseases - epidemiology</topic><topic>Dogs</topic><topic>Female</topic><topic>Knee</topic><topic>Male</topic><topic>Medical imaging</topic><topic>Patellar Dislocation - complications</topic><topic>Patellar Dislocation - veterinary</topic><topic>Tibia - pathology</topic><topic>Tomography, X-Ray Computed</topic><topic>Torsion Abnormality - veterinary</topic><topic>Veterinary medicine</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Fitzpatrick, Courtney L.</creatorcontrib><creatorcontrib>Krotscheck, Ursula</creatorcontrib><creatorcontrib>Thompson, Margret S.</creatorcontrib><creatorcontrib>Todhunter, Rory J.</creatorcontrib><creatorcontrib>Zhang, Zhiwu</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>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Biochemistry Abstracts 1</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>MEDLINE - Academic</collection><jtitle>Veterinary surgery</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Fitzpatrick, Courtney L.</au><au>Krotscheck, Ursula</au><au>Thompson, Margret S.</au><au>Todhunter, Rory J.</au><au>Zhang, Zhiwu</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Evaluation of Tibial Torsion in Yorkshire Terriers with and without Medial Patellar Luxation</atitle><jtitle>Veterinary surgery</jtitle><addtitle>Veterinary Surgery</addtitle><date>2012-11</date><risdate>2012</risdate><volume>41</volume><issue>8</issue><spage>966</spage><epage>972</epage><pages>966-972</pages><issn>0161-3499</issn><eissn>1532-950X</eissn><abstract>Objective
To determine if medial patellar luxation (MPL) in Yorkshire Terriers is associated with tibial torsion.
Study Design
Prospective cross‐sectional study.
Animals
Yorkshire Terriers (n = 30; 60 tibiae).
Methods
Each MPL was graded using a categorical grading scheme. Computed tomography of the tibiae was performed and tibial torsion angle (TTA) was assessed. MPL grade was analyzed with a general linear model where the independent variables include sex, neutering status, age, weight, and TTA.
Results
Factors that had collective impact on MPL grade were TTA, age, and weight squared. As MPL grade increased, TTA decreased by 0.05° and age increased by 0.13 years. As weight increased, MPL decreased. There was no effect (P > .05) from scorers, side, and neutering status.
Conclusion
Body weight squared, TTA, and age affect MPL grade, suggesting that a torsional deformity may contribute to the development of MPL in Yorkshire terriers along with weight and age.</abstract><cop>United States</cop><pub>Blackwell Publishing Ltd</pub><pmid>23198923</pmid><doi>10.1111/j.1532-950X.2012.01041.x</doi><tpages>7</tpages><oa>free_for_read</oa></addata></record> |
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| identifier | ISSN: 0161-3499 |
| ispartof | Veterinary surgery, 2012-11, Vol.41 (8), p.966-972 |
| issn | 0161-3499 1532-950X |
| language | eng |
| recordid | cdi_proquest_miscellaneous_1221852975 |
| source | Wiley |
| subjects | Animals Cross-Sectional Studies Dog Diseases - congenital Dog Diseases - epidemiology Dogs Female Knee Male Medical imaging Patellar Dislocation - complications Patellar Dislocation - veterinary Tibia - pathology Tomography, X-Ray Computed Torsion Abnormality - veterinary Veterinary medicine |
| title | Evaluation of Tibial Torsion in Yorkshire Terriers with and without Medial Patellar Luxation |
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