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Canine hip dysplasia

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https://www.readbyqxmd.com/read/28094414/asymmetrical-lumbosacral-transitional-vertebrae-in-dogs-may-promote-asymmetrical-hip-joint-development
#1
Mark A Flückiger, Frank Steffen, Michael Hässig, Joseph P Morgan
OBJECTIVES: This study examines the relationship between the morphology of the lumbosacral transitional vertebra (LTV) and asymmetrical development of the hip joints in dogs. METHODS: A total of 4000 dogs which had been consecutively scored for canine hip dysplasia were checked for the presence of a LTV. A LTV was noted in 138 dogs and classified depending on the morphology of the transverse processes and the degree of contact with the ilium. RESULTS: In dogs with an asymmetrical LTV, the hip joint was significantly more predisposed to subluxation and malformation on the side of the intermediate or sacral-like transverse process (p <0...
January 17, 2017: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
https://www.readbyqxmd.com/read/28077758/inter-rater-agreement-in-radiographic-canine-hip-dysplasia-evaluation
#2
U Geissbühler, S Drazovic, J Lang, J Howard
The objective was to determine the agreement between scrutineers assessing canine hip dysplasia (CHD) within and between the Fédération Cynologique Internationale (FCI) and the Swiss (CH) grading schemes, and between first-opinion and second-opinion scrutineers using the CH scheme. 62 scrutineers, participating in a quality assessment programme, were asked to evaluate 12 sets of hip radiographs. All radiographs had been previously evaluated by a first-opinion and 7 by both a first-opinion and second-opinion scrutineers using the CH scheme...
January 11, 2017: Veterinary Record
https://www.readbyqxmd.com/read/27931928/the-norberg-angle-is-not-an-accurate-predictor-of-canine-hip-conformation-based-on-the-distraction-index-and-the-dorsolateral-subluxation-score
#3
Ana R Gaspar, Galina Hayes, Catarina Ginja, Mário M Ginja, Rory J Todhunter
Canine hip dysplasia (CHD) is a common complex trait characterized by abnormal hip joint development. Hip joint laxity, an early characteristic of CHD, results in degeneration of the joint due to mechanical trauma, which is a clinical problem mostly in medium to large breed dogs. Clinical signs include pain, decreased activity and lameness. A retrospective, multi-center, cross sectional study of 437 dogs was performed to determine if a Norberg angle (NA) ≥105° accurately predicts a non-dysplastic hip based on a distraction index (DI) cut-off of ≤0...
December 1, 2016: Preventive Veterinary Medicine
https://www.readbyqxmd.com/read/27767433/owner-assessment-of-chronic-pain-intensity-and-results-of-gait-analysis-of-dogs-with-hip-dysplasia-treated-with-acupuncture
#4
Lívia R Teixeira, Stelio P L Luna, Lídia M Matsubara, Maria L B Cápua, Bianca P C R Santos, Luciane R Mesquita, Luis G Faria, Felipe S Agostinho, Anna Hielm-Björkman
OBJECTIVE To evaluate pain intensity and kinetic variables in dogs with hip dysplasia (HD) treated with acupuncture, carprofen, or a placebo. DESIGN Randomized, controlled clinical study. ANIMALS 54 HD-affected dogs and 16 healthy dogs. PROCEDURES Seven HD-affected dogs were removed from the study. Dogs with HD were treated in a blinded manner for 30 days with acupuncture (once weekly for 5 sessions; n = 15), carprofen (4.4 mg/kg [2.0 mg/lb], PO, q 24 h; n = 16), or placebo capsules containing lactose (1 mg/kg [0...
November 1, 2016: Journal of the American Veterinary Medical Association
https://www.readbyqxmd.com/read/27761581/evaluation-of-an-overlapping-pubic-and-ischiatic-osteotomy-for-the-improvement-of-acetabular-ventroversion-in-dogs-an-ex-vivo-study
#5
Julie A Gervais, James K Roush, David S Biller
OBJECTIVES: To assess the potential of a new single-session surgical procedure, the overlapping pubic and ischiatic osteotomy (OPIO) for modification of bilateral hip conformation. We hypothesized that OPIO would be simple to perform with currently available surgical equipment, through a single surgical approach, with minimal potential morbidity, and that it would allow adequate simultaneous bilateral improvement of coxofemoral joint conformation in patients at risk of canine hip dysplasia...
November 23, 2016: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
https://www.readbyqxmd.com/read/27270787/severe-polyethylene-wear-requiring-revision-total-hip-arthroplasty-in-three-dogs
#6
Valerie E Nesser, Michael P Kowaleski, Randy J Boudrieau
OBJECTIVE: To describe the occurrence of severe polyethylene wear of the acetabular component in 3 dogs that ultimately led to implant failure, and to report the outcome of revision of total hip arthroplasty (THA) in these cases. STUDY DESIGN: Case report ANIMALS: Dogs (n=3). RESULTS: Three dogs with hip dysplasia underwent routine THA before 2 years of age. All dogs became acutely lame 4-5 years after THA. Radiographs revealed acetabular cup wear in all cases, shell fragmentation in 2 cases, and additional stem failure in 1 case...
July 2016: Veterinary Surgery: VS
https://www.readbyqxmd.com/read/27047038/a-retrospective-study-on-findings-of-canine-hip-dysplasia-screening-in-kenya
#7
Peter Kimeli, Susan W Mbugua, Roger M Cap, Gilbert Kirui, Tequiero O Abuom, Willy E Mwangi, Ambrose N Kipyegon, John D Mande
AIM: The current study was undertaken to evaluate the findings of canine hip dysplasia screening in Kenya. MATERIALS AND METHODS: Records for 591 dogs were included in this study. The data was obtained from the national screening office, Kenya Veterinary Board, for the period between the years 1998 and 2014. Monthly screening records were assessed and information relating to year of evaluation, breed, sex, age, and hip score captured. Descriptive statistics of hip scores was computed based on year, sex, age, and breed...
November 2015: Veterinary World
https://www.readbyqxmd.com/read/26795439/complex-disease-and-phenotype-mapping-in-the-domestic-dog
#8
Jessica J Hayward, Marta G Castelhano, Kyle C Oliveira, Elizabeth Corey, Cheryl Balkman, Tara L Baxter, Margret L Casal, Sharon A Center, Meiying Fang, Susan J Garrison, Sara E Kalla, Pavel Korniliev, Michael I Kotlikoff, N S Moise, Laura M Shannon, Kenneth W Simpson, Nathan B Sutter, Rory J Todhunter, Adam R Boyko
The domestic dog is becoming an increasingly valuable model species in medical genetics, showing particular promise to advance our understanding of cancer and orthopaedic disease. Here we undertake the largest canine genome-wide association study to date, with a panel of over 4,200 dogs genotyped at 180,000 markers, to accelerate mapping efforts. For complex diseases, we identify loci significantly associated with hip dysplasia, elbow dysplasia, idiopathic epilepsy, lymphoma, mast cell tumour and granulomatous colitis; for morphological traits, we report three novel quantitative trait loci that influence body size and one that influences fur length and shedding...
2016: Nature Communications
https://www.readbyqxmd.com/read/26548580/analysis-of-pelvic-rotation-on-the-standard-hip-ventrodorsal-extended-radiographic-view
#9
João Martins, Bruno J Colaço, António J Ferreira, Mário M Ginja
OBJECTIVES: To study the symmetry of the iliac horizontal diameter (IHD) maximum obturator foramen width (OFW), ischiatic femoral overlap (IFO), pelvic horizontal radius (PHR), femoral head diameter (FHD), and obturator foramen area (OFA) parameters in the normal hip extended radiographic view and to evaluate the correlation of pelvic rotation with the magnitude of asymmetry of these parameters. METHODS: Nine canine cadavers from adult, large and giant breeds were radiographed in standard hip extended views and with 2°, 4° and 6° degrees of rotation...
2016: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
https://www.readbyqxmd.com/read/26543224/celebrating-50-years-of-the-bva-kc-hip-dysplasia-scheme
#10
(no author information available yet)
This year marks the 50th anniversary of the BVA/KC Hip Dysplasia Scheme, one of four Canine Health Schemes run by BVA, and the Kennel Club. BVA marketing manager Tim Keen recounts the history and success of the schemes.
November 7, 2015: Veterinary Record
https://www.readbyqxmd.com/read/26041591/lumbosacral-transitional-vertebrae-canine-hip-dysplasia-and-sacroiliac-joint-degenerative-changes-on-ventrodorsal-radiographs-of-the-pelvis-in-police-working-german-shepherd-dogs
#11
Renata Komsta, Anna Łojszczyk-Szczepaniak, Piotr Dębiak
Lumbosacral transitional vertebrae (LTV) frequently occur in German shepherd dogs. The aim of the study was to evaluate the prevalence and interdependence between LTV and canine hip dysplasia (CHD) as well as sacroiliac joint degenerative changes visualized on ventrodorsal radiographs of the pelvis in both working and companion German shepherd dogs. The presence of LTV was found in 12% of working dogs and in 33% of companion dogs. Similar incidence of hip dysplasia in both the groups was found. It has been shown that dogs with LTV have a higher frequency of severe CHD...
March 2015: Topics in Companion Animal Medicine
https://www.readbyqxmd.com/read/25889869/the-effect-of-dorsal-rim-loss-on-the-initial-stability-of-the-biomedtrix-cementless-acetabular-cup
#12
Meredith L Montgomery, Stanley E Kim, Jonathan Dyce, Antonio Pozzi
BACKGROUND: Loss of dorsal acetabular rim (DAR) is a common sequela to canine hip dysplasia. The purpose of this study is to evaluate the effect of DAR loss on the initial stability of the cementless (BFX) acetabular cup. BFX cups were implanted into foam blocks reamed to resemble acetabulae with simulated 0, 25, 50, and 75% DAR loss. Models were tested in edge loading of the lateral surface of the cup with an indenter, and in centered loading with an articulated femoral prosthesis. Additionally, cups were implanted into paired cadaveric canine hemipelves with either no DAR depletion, or removal of 50% of the DAR, and acutely loaded to failure with an articulated femoral prosthesis...
2015: BMC Veterinary Research
https://www.readbyqxmd.com/read/25874693/a-genetic-predictive-model-for-canine-hip-dysplasia-integration-of-genome-wide-association-study-gwas-and-candidate-gene-approaches
#13
Nerea Bartolomé, Sergi Segarra, Marta Artieda, Olga Francino, Elisenda Sánchez, Magdalena Szczypiorska, Joaquim Casellas, Diego Tejedor, Joaquín Cerdeira, Antonio Martínez, Alfonso Velasco, Armand Sánchez
Canine hip dysplasia is one of the most prevalent developmental orthopedic diseases in dogs worldwide. Unfortunately, the success of eradication programs against this disease based on radiographic diagnosis is low. Adding the use of diagnostic genetic tools to the current phenotype-based approach might be beneficial. The aim of this study was to develop a genetic prognostic test for early diagnosis of hip dysplasia in Labrador Retrievers. To develop our DNA test, 775 Labrador Retrievers were recruited. For each dog, a blood sample and a ventrodorsal hip radiograph were taken...
2015: PloS One
https://www.readbyqxmd.com/read/25821457/genomic-prediction-of-traits-related-to-canine-hip-dysplasia
#14
Enrique Sánchez-Molano, Ricardo Pong-Wong, Dylan N Clements, Sarah C Blott, Pamela Wiener, John A Woolliams
Increased concern for the welfare of pedigree dogs has led to development of selection programs against inherited diseases. An example is canine hip dysplasia (CHD), which has a moderate heritability and a high prevalence in some large-sized breeds. To date, selection using phenotypes has led to only modest improvement, and alternative strategies such as genomic selection (GS) may prove more effective. The primary aims of this study were to compare the performance of pedigree- and genomic-based breeding against CHD in the UK Labrador retriever population and to evaluate the performance of different GS methods...
2015: Frontiers in Genetics
https://www.readbyqxmd.com/read/25820325/canine-hip-dysplasia-in-tibetan-terriers
#15
H S Humphreys, N R McEwan
No abstract text is available yet for this article.
April 11, 2015: Veterinary Record
https://www.readbyqxmd.com/read/25784550/the-effect-of-dorsal-rim-loss-on-the-initial-stability-of-the-biomedtrix-cementless-acetabular-cup
#16
Meredith L Montgomery, Stanley E Kim, Jonathan Dyce, Antonio Pozzi
BACKGROUND: Loss of dorsal acetabular rim (DAR) is a common sequela to canine hip dysplasia. The purpose of this study is to evaluate the effect of DAR loss on the initial stability of the cementless (BFX) acetabular cup. BFX cups were implanted into foam blocks reamed to resemble acetabulae with simulated 0, 25, 50, and 75% DAR loss. Models were tested in edge loading of the lateral surface of the cup with an indenter, and in centered loading with an articulated femoral prosthesis. Additionally, cups were implanted into paired cadaveric canine hemipelves with either no DAR depletion, or removal of 50% of the DAR, and acutely loaded to failure with an articulated femoral prosthesis...
December 2015: BMC Veterinary Research
https://www.readbyqxmd.com/read/25414132/intra-and-interobserver-agreement-on-radiographic-phenotype-in-the-diagnosis-of-canine-hip-dysplasia
#17
Ruth R Fortrie, Geert Verhoeven, Bart Broeckx, Luc Duchateau, Luc Janssens, Yves Samoy, Elke Schreurs, Jimmy Saunders, Henri van Bree, Peter Vandekerckhove, Frank Coopman
OBJECTIVE: To investigate the repeatability and reproducibility of the presence of a circumferential femoral head osteophyte (CFHO), a curvilinear caudolateral osteophyte (CCO), osteosclerosis of the cranial acetabular edge (Scler CrAE), degenerative joint disease (DJD), and the diagnosis of suspected canine hip dysplasia (CHD) in different groups of experienced observers. STUDY DESIGN: Cross-sectional study. SAMPLE POPULATION: Standard hip extended radiographs (n = 50)...
May 2015: Veterinary Surgery: VS
https://www.readbyqxmd.com/read/25397887/canine-hip-dysplasia-towards-more-effective-selection
#18
EDITORIAL
Bethany J Wilson, Frank W Nicholas
No abstract text is available yet for this article.
March 2015: New Zealand Veterinary Journal
https://www.readbyqxmd.com/read/25344062/a-review-of-environmental-factors-implicated-in-human-developmental-dysplasia-of-the-hip
#19
Amanda M L Rhodes, Nicholas M P Clarke
PURPOSE: Developmental dysplasia of the hip (DDH) is common, and the term encompasses a spectrum of anatomical abnormalities of the hip in which the femoral head displaces from the acetabulum. These abnormalities may be congenital or develop during infancy and/or childhood. Neither the prenatal and postnatal factors that predispose to hip instability nor the determinants of its resolution or persistence are well characterised. A multifactorial pathogenesis of DDH is commonly accepted and identified risk factors include a family history, being first born, breech presentation, female gender, high birth weight and oligohydramnios 1...
October 2014: Journal of Children's Orthopaedics
https://www.readbyqxmd.com/read/25270232/quantitative-trait-loci-mapping-for-canine-hip-dysplasia-and-its-related-traits-in-uk-labrador-retrievers
#20
Enrique Sánchez-Molano, John A Woolliams, Ricardo Pong-Wong, Dylan N Clements, Sarah C Blott, Pamela Wiener
BACKGROUND: Canine hip dysplasia (CHD) is characterised by a malformation of the hip joint, leading to osteoarthritis and lameness. Current breeding schemes against CHD have resulted in measurable but moderate responses. The application of marker-assisted selection, incorporating specific markers associated with the disease, or genomic selection, incorporating genome-wide markers, has the potential to dramatically improve results of breeding schemes. Our aims were to identify regions associated with hip dysplasia or its related traits using genome and chromosome-wide analysis, study the linkage disequilibrium (LD) in these regions and provide plausible gene candidates...
October 1, 2014: BMC Genomics
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