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Determination of reference values and frequency of occurrence of patella alta in German shepherd dogs: a retrospective study

BACKGROUND: Patella alta and patella baja are important conditions underlying a predisposition to many joint diseases, including patellar luxation and patellar chondromalacia of the articular cartilage. The frequencies of patella alta and patella baja have not yet been determined. The objectives of...

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Autores principales: Łojszczyk-Szczepaniak, Anna, Silmanowicz, Piotr, Komsta, Renata, Osiński, Zbigniew
Formato: Online Artículo Texto
Lenguaje:English
Publicado: BioMed Central 2017
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Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5452377/
https://www.ncbi.nlm.nih.gov/pubmed/28569198
http://dx.doi.org/10.1186/s13028-017-0304-1
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author Łojszczyk-Szczepaniak, Anna
Silmanowicz, Piotr
Komsta, Renata
Osiński, Zbigniew
author_facet Łojszczyk-Szczepaniak, Anna
Silmanowicz, Piotr
Komsta, Renata
Osiński, Zbigniew
author_sort Łojszczyk-Szczepaniak, Anna
collection PubMed
description BACKGROUND: Patella alta and patella baja are important conditions underlying a predisposition to many joint diseases, including patellar luxation and patellar chondromalacia of the articular cartilage. The frequencies of patella alta and patella baja have not yet been determined. The objectives of this study were to determine the frequency of patella alta and to determine reference values to the position of the vertical patella according to two modified techniques of the Insall–Salvati method in a group of 65 German shepherd dogs (115 stifle joints). RESULTS: The upper limits of reference values for the normal vertical position of the patella were 1.79 and 2.13, depending on the method of measurement. A high prevalence of patella alta was observed in the group of German shepherd dogs. A correlation was demonstrated between the classification of dogs’ joints in the patella alta group and the multiplied risk of canine hip dysplasia (CHD) through the estimation of odds ratios. CONCLUSIONS: Dogs with patella alta were healthy dogs that did not exhibit orthopaedic problems in the stifle joints. The results revealed that the risk of CHD is twice as high in dogs with higher patellar ligament length to patella length ratio.
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spelling pubmed-54523772017-06-01 Determination of reference values and frequency of occurrence of patella alta in German shepherd dogs: a retrospective study Łojszczyk-Szczepaniak, Anna Silmanowicz, Piotr Komsta, Renata Osiński, Zbigniew Acta Vet Scand Brief Communication BACKGROUND: Patella alta and patella baja are important conditions underlying a predisposition to many joint diseases, including patellar luxation and patellar chondromalacia of the articular cartilage. The frequencies of patella alta and patella baja have not yet been determined. The objectives of this study were to determine the frequency of patella alta and to determine reference values to the position of the vertical patella according to two modified techniques of the Insall–Salvati method in a group of 65 German shepherd dogs (115 stifle joints). RESULTS: The upper limits of reference values for the normal vertical position of the patella were 1.79 and 2.13, depending on the method of measurement. A high prevalence of patella alta was observed in the group of German shepherd dogs. A correlation was demonstrated between the classification of dogs’ joints in the patella alta group and the multiplied risk of canine hip dysplasia (CHD) through the estimation of odds ratios. CONCLUSIONS: Dogs with patella alta were healthy dogs that did not exhibit orthopaedic problems in the stifle joints. The results revealed that the risk of CHD is twice as high in dogs with higher patellar ligament length to patella length ratio. BioMed Central 2017-05-31 /pmc/articles/PMC5452377/ /pubmed/28569198 http://dx.doi.org/10.1186/s13028-017-0304-1 Text en © The Author(s) 2017 Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.
spellingShingle Brief Communication
Łojszczyk-Szczepaniak, Anna
Silmanowicz, Piotr
Komsta, Renata
Osiński, Zbigniew
Determination of reference values and frequency of occurrence of patella alta in German shepherd dogs: a retrospective study
title Determination of reference values and frequency of occurrence of patella alta in German shepherd dogs: a retrospective study
title_full Determination of reference values and frequency of occurrence of patella alta in German shepherd dogs: a retrospective study
title_fullStr Determination of reference values and frequency of occurrence of patella alta in German shepherd dogs: a retrospective study
title_full_unstemmed Determination of reference values and frequency of occurrence of patella alta in German shepherd dogs: a retrospective study
title_short Determination of reference values and frequency of occurrence of patella alta in German shepherd dogs: a retrospective study
title_sort determination of reference values and frequency of occurrence of patella alta in german shepherd dogs: a retrospective study
topic Brief Communication
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5452377/
https://www.ncbi.nlm.nih.gov/pubmed/28569198
http://dx.doi.org/10.1186/s13028-017-0304-1
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