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Hebel M, Panek WK, Ruszkowski JJ, Nabzdyk M, Niedzielski D, Pituch KC, Jackson AM, Kiełbowicz M, Pomorska-Mól M. Computed tomography findings in a cohort of 169 dogs with elbow dysplasia - a retrospective study. BMC Vet Res 2021; 17:296. [PMID: 34488762 PMCID: PMC8419939 DOI: 10.1186/s12917-021-02997-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Accepted: 08/19/2021] [Indexed: 11/17/2022] Open
Abstract
Background Canine elbow dysplasia (CED) is a complex developmental skeletal disorder associated with a number of pathological conditions within the cubital joint. Because CED is a heritable disease, it is important to identify and remove the affected animals from breeding. The first objective of this study was to describe the prevalence of medial coronoid process disease (MCPD) without (MCD) or with (FMCP) fragmented medial coronoid process, osteochondrosis (OC) and/or osteochondritis dissecans (OCD), ununited anconeal process (UAP), radio-ulnar incongruence (INC R-U) and humero-ulnar incongruence (INC H-U) in dogs with the use of CT imaging. The second aim was to determine the influence of demographics on the prevalence of investigated pathologies in dogs with clinical evidence of elbow dysplasia. Results In this retrospective study, CT data records of 169 dogs of different breeds presented to the small animal veterinary clinic from 2012 to 2018 were included. 69.23% of dogs diagnosed with CED were young (≤ 2 years old). The mean age of dogs presented with INC R-U was 1.68 ± 1.82 years, while in dogs without INC R-U the mean age was 2.64 ± 2.59 years. The mean age of dogs with INC H-U was 1.94 ± 2.06 years, while without INC H-U 3.29 ± 2.09 years. Labrador Retrievers, German Shepherd and Bernese Mountain dogs were most frequently presented with CED-associated lameness. In 122 dogs OA of varying severity was found. Conclusion INC H-U, FMCP and MCD were among the most frequently found components of CED found in the present study. OCD and UAP were the least frequently diagnosed. Dogs presented with INC R-U and INC H-U were significantly younger than dogs without these CED components. Boxers, Dog de Bordeaux, American Staffordshire terriers and mixed-breed dogs were diagnosed later in life than the other breeds. OA of varying severity was found in 72.18% of dogs. Males accounted for more than 75% of the study population.
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Affiliation(s)
- Mateusz Hebel
- Department of Internal Diseases and Diagnostics, Poznan University of Life Sciences, ul. Wołyńska 35, 60-637, Poznań, Poland
| | - Wojciech K Panek
- Department of Clinical Sciences, College of Veterinary Medicine, North Carolina State University, Raleigh, North Carolina, 27607, USA
| | - Jakub J Ruszkowski
- Department of Animal Anatomy, Poznan University of Life Sciences, ul. Wojska Polskiego 71C, 60-625, Poznań, Poland. .,University Centre for Veterinary Medicine, Szydłowska 43, 60-656, Poznan, Poland.
| | - Maria Nabzdyk
- Department of Animal Anatomy, Poznan University of Life Sciences, ul. Wojska Polskiego 71C, 60-625, Poznań, Poland
| | - Dariusz Niedzielski
- Small Animal Veterinary Clinic, Klinika Psa i Kota, ul. Bolesława Krzywoustego 105/21, 51-166, Wrocław, Poland
| | - Katarzyna C Pituch
- Department of Neurological Surgery, Feinberg School of Med, 676 N St. Clair, Suite 2210, Chicago, IL, 60611, USA
| | - Aaron M Jackson
- Department of Small Animal Surgery, Medvet Chicago, 3123 N. Clybourn Ave, Chicago, IL, 60618, USA
| | - Maciej Kiełbowicz
- Department of Internal Diseases and Diagnostics, Poznan University of Life Sciences, ul. Wołyńska 35, 60-637, Poznań, Poland
| | - Małgorzata Pomorska-Mól
- Department of Preclinical Sciences and Infectious Diseases, Poznan University of Life Sciences, ul. Wołyńska 35, 60-637, Poznań, Poland
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Comparison of vertical force redistribution in the pads of dogs with elbow osteoarthritis and healthy dogs. Vet J 2019; 250:79-85. [PMID: 31383424 DOI: 10.1016/j.tvjl.2019.06.004] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2018] [Revised: 06/22/2019] [Accepted: 06/23/2019] [Indexed: 11/23/2022]
Abstract
Kinetic analyses are becoming increasingly important for biomechanical research in veterinary medicine and as a diagnostic tool for orthopaedic examinations in dogs. Such analysis enables accurate evaluation of the vertical force distribution (VFD) in canine paw pads. The aim of this study was to assess peak vertical force (PFz) as a percent of total force (%TF), vertical impulse (IFz, %TF) and time of occurrence of PFz (TPFz) as a percent of the stance phase (%SP) in the pads of all four limbs in 23 dogs with osteoarthritis in the elbow joint and 22 healthy dogs. Dogs walked over a pressure plate, and the pads were divided into four quadrants for VFD analysis. For statistical analysis, a general linear model was used to examine the difference in VFD between both groups, between fore- and hindlimbs, between body sides, and between medial/lateral and cranial/caudal quadrants. Lame dogs had lower PFz in the lame forelimb than in other limbs and transferred their weight to the caudal quadrants of the contralateral forelimb and the caudomedial quadrant of both hindlimbs. IFz was also lower in the affected forelimb and was compensated through higher loading of the caudal quadrants of the contralateral forelimb, the caudomedial quadrants of both hindlimbs and the caudolateral quadrant of the contralateral hindlimb. TPFz (%SP) occurred later in both forelimbs of the lame dogs than in those of healthy dogs. The analysis of force distribution over the paw quadrants can be used for further biomechanical studies of dogs with orthopaedic and neurological diseases.
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Mostafa A, Nolte I, Wefstaedt P. The prevalence of medial coronoid process disease is high in lame large breed dogs and quantitative radiographic assessments contribute to the diagnosis. Vet Radiol Ultrasound 2018; 59:516-528. [DOI: 10.1111/vru.12632] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2017] [Revised: 02/22/2018] [Accepted: 03/08/2018] [Indexed: 11/29/2022] Open
Affiliation(s)
- Ayman Mostafa
- Small Animal Hospital; College of Veterinary Medicine, Cairo University; Giza Egypt
| | - Ingo Nolte
- Small Animal Hospital; University of Veterinary Medicine, Hannover, Foundation; Hannover Germany
| | - Patrick Wefstaedt
- Small Animal Hospital; University of Veterinary Medicine, Hannover, Foundation; Hannover Germany
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Preston T, Wills A. A single hydrotherapy session increases range of motion and stride length in Labrador retrievers diagnosed with elbow dysplasia. Vet J 2018; 234:105-110. [DOI: 10.1016/j.tvjl.2018.02.013] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2017] [Revised: 02/15/2018] [Accepted: 02/21/2018] [Indexed: 11/15/2022]
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Michelsen J. Canine elbow dysplasia: Aetiopathogenesis and current treatment recommendations. Vet J 2013; 196:12-9. [DOI: 10.1016/j.tvjl.2012.11.009] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2012] [Revised: 11/07/2012] [Accepted: 11/10/2012] [Indexed: 10/27/2022]
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Samoy Y, Gielen I, Van Caelenberg A, van Bree H, Duchateau L, Van Ryssen B. Computed Tomography Findings in 32 Joints Affected with Severe Elbow Incongruity and Fragmented Medial Coronoid Process. Vet Surg 2012; 41:486-94. [DOI: 10.1111/j.1532-950x.2011.00950.x] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Yves Samoy
- Department of Veterinary Medical Imaging and Small Animal Orthopaedics; Faculty of Veterinary Medicine; Ghent University; Belgium
| | - Ingrid Gielen
- Department of Veterinary Medical Imaging and Small Animal Orthopaedics; Faculty of Veterinary Medicine; Ghent University; Belgium
| | - Annemie Van Caelenberg
- Department of Veterinary Medical Imaging and Small Animal Orthopaedics; Faculty of Veterinary Medicine; Ghent University; Belgium
| | - Henri van Bree
- Department of Veterinary Medical Imaging and Small Animal Orthopaedics; Faculty of Veterinary Medicine; Ghent University; Belgium
| | - Luc Duchateau
- Department of Physiology and Biometrics; Faculty of Veterinary Medicine; Ghent University; Belgium
| | - Bernadette Van Ryssen
- Department of Veterinary Medical Imaging and Small Animal Orthopaedics; Faculty of Veterinary Medicine; Ghent University; Belgium
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Ferrigno CR, Schmaedecke A, Sterman FA, Lincoln J. Treatment of ununited anconeal process in 8 dogs by osteotomy and dynamic distraction of the proximal part of the ulna. PESQUISA VETERINÁRIA BRASILEIRA 2007. [DOI: 10.1590/s0100-736x2007000800006] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
A surgical technique for the treatment of ununited anconeal process in dogs treated by osteotomy and dynamic distraction of the proximal part of the ulna using a linear external skeletal fixator was evaluated. In all cases the osteotomy was distracted 1mm each day after the surgery until desired distraction had been achieved. Eight dogs and 9 joints diagnosed with ununited anconeal process were treated. The success of the procedure was determined by comparing clinical signs of lameness and degree of arthrosis at the time of diagnosis to 6 months after the surgical intervention. Radiographic union occurred in 88.9% of the affected joints between 21 and 42 days after the surgical procedure. Clinically, six elbows were classified as good, two as satisfactory and one as unsatisfactory. Six months after surgery two elbows had no arthrosis, one had Grade 1, two Grade 2 and one Grade 3. It is concluded the combination of ulnar osteotomy and dynamic distraction of the olecranon by a linear external skeletal fixator is a feasible procedure for the treatment of ununited anconeal process in dogs.
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Breit S, Künzel W, Seiler S. On the weight-bearing function of the medial coronoid process in dogs. Anat Histol Embryol 2006; 35:7-12. [PMID: 16433666 DOI: 10.1111/j.1439-0264.2005.00627.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The shape of and proportions between the surface areas of the medial coronoid process (MCP) and the fovea of the radial head were determined in 88 juvenile dogs and 146 adult dogs grouped as giant, large, mid-sized, chondrodystrophic, or small dogs. Thereby, the longitudinal (length) and transverse (width) extension of the MCP and fovea of the radial head have been measured. Original values were used to describe changes of the parameters attributed to growth. Normalized values (i.e. values expected in case of a width of the fovea of the radial head of 20 mm) were used to determine potential differences between constitutional types. All original values increased during growth (P < 0.05) except for the width and length of the MCP in chondrodystrophic and small breeds. Normalized values revealed a proportional decrease in width and length of the MCP during growth (P < 0.05) compared with the radial head. In adults, the normalized MCP was widest in giant dogs followed by large, mid-sized, small, and chondrodystrophic breeds. The MCP was also longest in giant dogs but shortest in large and chondrodystrophic dogs with those of large dogs being significantly (P < 0.05) shorter than those in giant, mid-sized and small dogs. Present results suggest that a deficiency in length-growth of the MCP--which has been present especially in large dogs--results in smaller humeral contact areas and decreased weight-bearing capacity of the MCP. Because loading forces acting on the MCP increase with body weight, the condition noted in large dogs might increase the risk of fragmentation of the MCP in these.
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Affiliation(s)
- S Breit
- Department of Pathobiology, Institute of Anatomy, University of Veterinary Medicine Vienna, Veterinärplatz 1, A-1210 Vienna, Austria.
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Breit S, Künzel W, Seiler S. Variation in the ossification process of the anconeal and medial coronoid processes of the canine ulna. Res Vet Sci 2004; 77:9-16. [PMID: 15120947 DOI: 10.1016/j.rvsc.2004.02.003] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2003] [Revised: 10/14/2003] [Accepted: 01/12/2004] [Indexed: 10/26/2022]
Abstract
This morphological and radiographic study investigates the ossification process of the anconeal and medial coronoid processes of the ulna in a sample of 142 dogs ranging in age from neonatal to 44 weeks. The anconeal process was noted to develop by appositional ossification, formation of a separate ossification center, or a combination of both. Several developmental stages of the ossification center of the anconeal process as well as its anatomic position and radiographic appearance are described. Differences have been noted in the shape of this ossification center as well as the ossification process itself. The medial coronoid process develops exclusively by appositional ossification. Unlike ossification of the anconeal process, ossification of the medial coronoid process was completed earlier (p < 0.05) in smaller than in the larger dogs. In smaller dogs, both the medial coronoid and anconeal processes were found to be mature by the age of 16 weeks. In the larger dogs, ossification of the anconeal process was completed not before 14 weeks of age and ossification of the medial coronoid process was completed about 6 weeks later.
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Affiliation(s)
- S Breit
- Institute of Anatomy, University of Veterinary Medicine Vienna, Veterinärplatz 1, A-1210 Vienna, Austria.
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LaFond E, Breur GJ, Austin CC. Breed susceptibility for developmental orthopedic diseases in dogs. J Am Anim Hosp Assoc 2002; 38:467-77. [PMID: 12220032 DOI: 10.5326/0380467] [Citation(s) in RCA: 146] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
A large-scale epidemiological study was conducted to determine breeds at risk for 12 developmental orthopedic diseases (DODs). Developmental orthopedic diseases investigated included canine hip dysplasia (CHD); craniomandibular osteopathy (CMO); fragmented coronoid process; hypertrophic osteodystrophy; Legg-Calvé-Perthes disease; osteochondrosis of the medial humeral condyle, caudal humeral head, femoral condyles, and talar trochlear ridges; panosteitis; patella luxation; and ununited anconeal process. Dogs that were diagnosed with any one of the diseases of interest at any of 10 veterinary teaching hospitals participating in the Veterinary Medical Database from 1986 to 1995 were included as cases. Odds ratios and corresponding 95% confidence intervals were calculated to determine risk. Frequency of diagnosis during the 10-year period ranged from 35 cases (CMO) to 10,637 cases (CHD). The number of breeds at increased risk for a disease ranged from one (CMO) to 35 (CHD). Breed susceptibility for a DOD may suggest a genetic component in the disease etiology. The results of this study serve to increase veterinarians' awareness of breeds susceptible to DODs and may facilitate the control of such diseases by identifying breeds that might benefit from breeding programs or environmental intervention such as dietary modification.
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Affiliation(s)
- Elizabeth LaFond
- Department of Veterinary Clinical Sciences, School of Veterinary Medicine, Purdue University, West Lafayette, Indiana 47907, USA
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Thrupp J, Wong W, Charles J. Primary anconeal fracture in a boxer. Aust Vet J 2001; 79:611-2. [PMID: 11702931 DOI: 10.1111/j.1751-0813.2001.tb10778.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
A 14-month-old speyed female Boxer was presented with acute non-weight-bearing lameness in the right forelimb. Radiography revealed separation of the anconeal process, which was thence surgically removed. Histological examination of the anconeal process confirmed a primary fracture. Isolated unilateral anconeal process fracture in the dog is rare and this report includes histopathological findings of a primary anconeal fracture.
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Affiliation(s)
- J Thrupp
- The University of Melbourne, Department of Veterinary Clinic and Hospital, Werribee, Victoria
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Abstract
Forelimb lameness is a common problem in young dogs and can be caused by a wide variety of problems. Accurate and comprehensive diagnosis and treatment must be provided for these patients. Differential diagnoses for forelimb lameness in the young patient fall into the categories of congenital abnormalities; developmental disorders; trauma; and infectious, nutritional, metabolic, and neoplastic causes. The etiopathogeneses of many of these disorders are still unknown, and treatment options and prognoses vary tremendously. Until definitive causes are determined, it is the responsibility of veterinarians to address the factors that contribute to the development and progression of these disorders. These areas primarily involve weight and nutritional management as well as breeding programs.
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Affiliation(s)
- J L Cook
- Comparative Orthopaedic Laboratory, University of Missouri-Columbia, Columbia, Missouri, USA.
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Everts RE, Hazewinkel HA, Rothuizen J, van Oost BA. Bone disorders in the dog: a review of modern genetic strategies to find the underlying causes. Vet Q 2000; 22:63-70. [PMID: 10789512 DOI: 10.1080/01652176.2000.9695027] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2022] Open
Abstract
In man, the genetic defects of more than 600 inherited diseases, of which at least 150 skeletal diseases, have been identified as is the chromosomal location for approximately 7000 genes. This rapid progress has been made possible by the generation of a genetical and physical map of the human genome. There is no reason to believe that for the dog not a similar development may occur. This review is therefore focussed on the use of novel tools now available for comparative molecular genetic studies of skeletal dysplasias in the dog. Because the genomes of mammals at the subchromosomal level are very well conserved, likely candidate disease genes known from other species might be considered. In this review, formation of the bones and the most important canine disorders of the skeleton influencing locomotion will be discussed first. The canine disorders discussed are canine hip dysplasia, the three different forms of elbow dysplasia (fragmented coronoid process, ununited anconeal process, osteochondrosis dissecans and incongruency) and dwarfism. Where possible a link is made with similar diseases in man or mouse. Then, the molecular biological tools available to analyse the genetic defect will be reviewed and some examples discussed.
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Affiliation(s)
- R E Everts
- Department of Clinical Sciences of Companion Animals, Faculty of Veterinary Medicine, University Utrecht, The Netherlands
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