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Olstad K, Bugge MD, Ytrehus B, Kallerud AS. Closure of the neuro-central synchondrosis and other physes in foal cervical spines. Equine Vet J 2024. [PMID: 38594893 DOI: 10.1111/evj.14093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Accepted: 03/14/2024] [Indexed: 04/11/2024]
Abstract
BACKGROUND The neuro-central synchondrosis (NCS) is a physis responsible for the growth of the dorsal third of the vertebral body and neural arches. When the NCS of pigs is tethered to model scoliosis, stenosis also ensues. It is necessary to describe the NCS for future evaluation of its potential role in equine spinal cord compression and ataxia (wobbler syndrome). OBJECTIVES To describe the NCS, including when it and other physes closed in computed tomographic (CT) scans of the cervical spine of foals, due to its potential role in vertebral stenosis. STUDY DESIGN Post-mortem cohort study. METHODS The cervical spine of 35 cases, comprising both sexes and miscellaneous breeds from 153 gestational days to 438 days old, was examined with CT and physes scored from 6: fully open to 0: fully closed. The dorsal physis, physis of the dens and mid-NCS were scored separately, whereas the cranial and caudal NCS portions were scored together with the respective cranial and caudal vertebral body physes. RESULTS The NCS was a pair of thin physes located in a predominantly dorsal plane between the vertebral body and neural arches. The mid-NCS was closed in C1 from 115 days of age, and in C2-C7 from 38 days of age. The dorsal physis closed later than the NCS in C1, and earlier than the NCS in C2-C7. The dens physis was closed from 227 days of age. The cranial and caudal physes were closing, but not closed from different ages in the different vertebrae of the oldest cases. MAIN LIMITATIONS Hospital population. CONCLUSIONS The NCS was a thin physis that contributed mainly to height-wise growth, but also width- and length-wise growth of the vertebral body and neural arches. The mid-NCS was closed in all cervical vertebrae from 115 days of age. The NCS warrants further investigation in the pathogenesis of vertebral stenosis.
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Affiliation(s)
- Kristin Olstad
- Department of Companion Animal Clinical Sciences, Equine Section, Faculty of Veterinary Medicine, Norwegian University of Life Sciences, Ås, Norway
| | - Mari Dahl Bugge
- Department of Companion Animal Clinical Sciences, Equine Section, Faculty of Veterinary Medicine, Norwegian University of Life Sciences, Ås, Norway
| | - Bjørnar Ytrehus
- Department of Biomedical Science and Veterinary Public Health, Pathology Unit, Swedish University of Agricultural Sciences, Uppsala, Sweden
| | - Anne Selvén Kallerud
- Department of Companion Animal Clinical Sciences, Equine Section, Faculty of Veterinary Medicine, Norwegian University of Life Sciences, Ås, Norway
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Pérez-Nogués M, Manso-Díaz G, Spirito M, López-Sanromán J. Treatment Comparison for Medial Femoral Condyle Subchondral Cystic Lesions and Prognosis in Yearling Thoroughbred Racehorse Prospects. Animals (Basel) 2024; 14:1122. [PMID: 38612360 PMCID: PMC11010810 DOI: 10.3390/ani14071122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2024] [Revised: 04/03/2024] [Accepted: 04/03/2024] [Indexed: 04/14/2024] Open
Abstract
Subchondral cystic lesions (SCL) in the medial femoral condyle are a usual finding in Thoroughbred survey and auction repository radiographs. Several treatments with different outcomes have been studied over the years to improve soundness and racing prognosis. Our objective was to report the racing prognosis in Thoroughbred yearlings intended for racing that were diagnosed with SCL in the medial femoral condyle and were treated using four current and different techniques: intralesional injection of corticosteroids, SCL debridement through the joint with a drill bit, translesional cortical screw placement, and absorbable hydroxyapatite implant placement. Data from 182 Thoroughbred yearlings treated for SCL in the medial femoral condyle were collected from 2014 to 2020. Limb affected, age at surgery, sex, and radiographic measurements of the SCL were recorded. Auction price and racing performance were collected for treated horses and compared to 154 maternal siblings free of medial femoral condyle SCL. Analyses were conducted to assess if racing prognosis was affected by SCL size, to detect differences in auction price and selected flat racing outcome parameters between cases and controls, and to compare racing prognosis between the studied treatments. Mares and lesions located in the right stifle were significantly overrepresented. The auction price of treated horses was significantly lower than that of their siblings. Horses treated for SCL had significantly lower chances to start in a race than controls (59% vs. 74% respectively). Wider SCL negatively affected the chances to start at least in one race, and negatively affected the earnings made in the 2-year-olds' racing year. Horses with SCL treated using a bioabsorbable implant had a significantly higher median in starts as 3-year-olds (seven starts) than horses that had the SCL debrided with a drill bit (three starts). In conclusion, Thoroughbred yearlings treated for a medial femoral condyle SCL had lower auction prices and decreased ability to start a race compared to siblings' wider cysts had worse prognosis to start a race and might affect earnings as 2-year-olds; and horses treated with bioabsorbable composite implant placement had more starts as 3-year-olds than with other techniques.
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Affiliation(s)
| | - Gabriel Manso-Díaz
- Department of Animal Medicine and Surgery, Universidad Complutense de Madrid, Avenida Puerta de Hierro s/n, 28040 Madrid, Spain;
| | - Michael Spirito
- Hagyard Equine Medical Institute, 4250 Iron Works Pike, Lexington, KY 40511, USA;
| | - Javier López-Sanromán
- Department of Animal Medicine and Surgery, Universidad Complutense de Madrid, Avenida Puerta de Hierro s/n, 28040 Madrid, Spain;
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Boros K, Dyson S, Kovács Á, Lang Z, Nagy A. Computed Tomographic Evaluation of the Sagittal Ridge of the Third Metacarpal Bone in Young Thoroughbred Racehorses: A Longitudinal Study. Animals (Basel) 2024; 14:812. [PMID: 38473196 DOI: 10.3390/ani14050812] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2024] [Revised: 02/28/2024] [Accepted: 03/04/2024] [Indexed: 03/14/2024] Open
Abstract
Metacarpophalangeal joint region pain is a common cause of lameness in racehorses. Radiological abnormalities in the sagittal ridge (SR) of the third metacarpal bone have been associated with joint effusion, lameness and reduced sales prices. The aims were to describe computed tomographic (CT) appearance of the SR in racehorses, and to document the progression of these findings over three assessments. Forty yearlings were enrolled at the first examination (time 0). Re-examinations were performed twice, approximately six months apart on 31 (time 1) and 23 (time 2) horses, respectively. Computed tomographic examinations of both metacarpophalangeal regions were performed with the horses in a standing position. Computed tomographic reconstructions were analysed subjectively and objectively. The mean Hounsfield Unit values (Hus) of eight radial segments and location, size and shape of hypoattenuating lesions were recorded. Mean Hus at time 1 were higher than at time 0. There was no difference between mean HU at times 1 and 2. The mean HU values of the dorsal half were higher in the right forelimbs and in fillies. Hypoattenuation was identified in 33/80 (41.3%) limbs at time 0, in 22/62 (35.5%) limbs at time 1 and in 14/46 (30.4%) limbs at time 2. All hypoattenuations were located in the dorsodistal aspect of the SR. The most common shapes were hypoattenuating lesions elongated proximodistally and those extending towards trabecular bone. An increase in attenuation of the SR occurred in the first six months of training. Hypoattenuating lesions could decrease in size and could resolve during early training. In this population, these lesions were not associated with lameness.
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Affiliation(s)
- Koppány Boros
- Department and Clinic of Equine Medicine, University of Veterinary Medicine Budapest, Dóra Major, 2225 Üllő, Hungary
| | - Sue Dyson
- The Cottage, Church Road, Market Weston, Diss IP22 2NX, UK
| | - Ágnes Kovács
- Department of Biostatistics, University of Veterinary Medicine Budapest, 1078 Budapest, Hungary
| | - Zsolt Lang
- Department of Biostatistics, University of Veterinary Medicine Budapest, 1078 Budapest, Hungary
| | - Annamaria Nagy
- Department and Clinic of Equine Medicine, University of Veterinary Medicine Budapest, Dóra Major, 2225 Üllő, Hungary
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Sloan PB, White B, Santschi EM. Racing performance of juvenile Thoroughbreds with femoropatellar osteochondrosis at auction: A retrospective case-control study. Equine Vet J 2024; 56:69-75. [PMID: 37191294 DOI: 10.1111/evj.13943] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Accepted: 03/30/2023] [Indexed: 05/17/2023]
Abstract
BACKGROUND Osteochondrosis dissecans (OCD) is common in the femoropatellar joint in Thoroughbred yearlings for sale at auction and there is no consensus on the effect on racing outcomes. OBJECTIVES Describe femoropatellar OCD in juvenile Thoroughbreds and compare the racing performance of affected Thoroughbred horses to siblings and unaffected horses from the same sale. STUDY DESIGN Retrospective case-control study of juvenile horses born 2010-2016. METHODS Radiographic reports from 27 Thoroughbred auctions of weanling (5-11 months of age) and yearling (12-22 months of age) horses were reviewed to identify femoropatellar OCD. Age and sex of cases and controls were obtained from the sales catalogue. Racing performance was obtained from an online database. Correlation between lesion characteristics and racing performance were assessed using Pearson and Spearman correlations for continuous and ordinal/categorical variables respectively. Racing performance was compared between cases and sibling controls and age- and sex-matched sale number controls from the same sale with Poisson distribution and log link. Significance level of alpha = 0.05 was used. RESULTS Femoropatellar OCD was identified in 429 horses with North American race records. OCD was present on 519 lateral trochlear ridges and 54 medial trochlear ridges. There were more males in the case group (70%) than in the sibling control group (47%). Case racing performance was compared to 1042 sibling and 757 hip controls. There were significant but small decreases in racing metrics of cases and increases in males for years raced, total starts, starts for 2-5 years of age, total placings, and placings at 2-4 years of age. Analysis of specific lesion metrics revealed weak correlations for performance outcomes (positive and negative) resulting in an inability to draw firm conclusions. MAIN LIMITATIONS Retrospective study where case management was unknown. CONCLUSIONS Femoropatellar OCD in juvenile Thoroughbreds for sale at auction decreases some racing outcomes.
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Affiliation(s)
- Pearce B Sloan
- Department of Clinical Sciences, College of Veterinary Medicine, Kansas State University, Manhattan, Kansas, USA
| | - Brad White
- Department of Clinical Sciences, College of Veterinary Medicine, Kansas State University, Manhattan, Kansas, USA
| | - Elizabeth M Santschi
- Department of Clinical Sciences, College of Veterinary Medicine, Kansas State University, Manhattan, Kansas, USA
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Olstad K, Ekman S, Björnsdóttir S, Fjordbakk CT, Hansson K, Sigurdsson SF, Ley CJ. Osteochondrosis in the central and third tarsal bones of young horses. Vet Pathol 2024; 61:74-87. [PMID: 37431760 PMCID: PMC10687793 DOI: 10.1177/03009858231185108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/12/2023]
Abstract
Recently, the central and third tarsal bones of 23 equine fetuses and foals were examined using micro-computed tomography. Radiological changes, including incomplete ossification and focal ossification defects interpreted as osteochondrosis, were detected in 16 of 23 cases. The geometry of the osteochondrosis defects suggested they were the result of vascular failure, but this requires histological confirmation. The study aim was to examine central and third tarsal bones from the 16 cases and to describe the tissues present, cartilage canals, and lesions, including suspected osteochondrosis lesions. Cases included 9 males and 7 females from 0 to 150 days of age, comprising 11 Icelandic horses, 2 standardbred horses, 2 warmblood riding horses, and 1 coldblooded trotting horse. Until 4 days of age, all aspects of the bones were covered by growth cartilage, but from 105 days, the dorsal and plantar aspects were covered by fibrous tissue undergoing intramembranous ossification. Cartilage canal vessels gradually decreased but were present in most cases up to 122 days and were absent in the next available case at 150 days. Radiological osteochondrosis defects were confirmed in histological sections from 3 cases and consisted of necrotic vessels surrounded by ischemic chondronecrosis (articular osteochondrosis) and areas of retained, morphologically viable hypertrophic chondrocytes (physeal osteochondrosis). The central and third tarsal bones formed by both endochondral and intramembranous ossification. The blood supply to the growth cartilage of the central and third tarsal bones regressed between 122 and 150 days of age. Radiological osteochondrosis defects represented vascular failure, with chondrocyte necrosis and retention, or a combination of articular and physeal osteochondrosis.
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Affiliation(s)
| | - Stina Ekman
- Swedish University of Agricultural Sciences, Uppsala, Sweden
| | | | | | - Kerstin Hansson
- Swedish University of Agricultural Sciences, Uppsala, Sweden
| | | | - Charles J. Ley
- Swedish University of Agricultural Sciences, Uppsala, Sweden
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Guszczyn T, Kulesza M, Kicman A, Motyka J, Ławicki S. Enhanced Pain Relief and Function Improvement in Children with Osgood-Schlatter Disease: Leukocyte-Rich Platelet-Rich Plasma (LR-PRP) as a Complementary Treatment to Standard Conservative Therapy. Med Sci Monit 2023; 29:e941523. [PMID: 38105547 PMCID: PMC10740339 DOI: 10.12659/msm.941523] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Accepted: 10/05/2023] [Indexed: 12/19/2023] Open
Abstract
BACKGROUND Osgood-Schlatter disease (OSD) causes pain and loss of function of the knee in growing children. This study aimed to evaluate pain and function of the knee joint in 152 growing children with chronic OSD before and after treatment with LR-PRP when used with standard conservative treatment. MATERIAL AND METHODS Treatment efficacy was evaluated using the VAS, Tegner, Lyshom, and KOOS scales. Patient satisfaction, post-surgery athletic performance, and X-ray assessment were also used to determine the success of the procedure. RESULTS We found that 75% of the subjects were satisfied with the results of the treatment, and 72% of the subjects returned to full physical activity. The analysis showed a significant decrease in the median VAS score after treatment compared to the pre-treatment score (P<0.05), and an increase in the median scores of the Tegner, Lysholm, and KOOS scales compared to the pre-treatment score (P<0.05; P<0.05; P<0.05, respectively). The results showed that the shorter the duration of the disease, the better the treatment results were received. Return to activity and patient satisfaction were highest in the study group previously rehabilitated. CONCLUSIONS LR-PRP injection of the tibial tuberosity in patients with chronic OSD with open growth cartilage is an effective and uncomplicated method. We did not observe any adverse effects, which suggests the relatively high safety of the procedure. The use of PRP in the earlier phase of the disease and additional rehabilitation before treatment significantly increases the effectiveness of treatment.
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Affiliation(s)
- Tomasz Guszczyn
- Department of Pediatric Orthopaedics and Traumatology, Medical University of Białystok, Białystok, Poland
| | - Monika Kulesza
- Department of Population Medicine and Lifestyle Diseases Prevention, Medical University of Białystok, Białystokn Poland
| | - Aleksandra Kicman
- Departmeent of Aesthetic Medicine, Medical University of Białystok, Białystok, Poland
| | - Joanna Motyka
- Department of Population Medicine and Lifestyle Diseases Prevention, Medical University of Białystok, Białystokn Poland
| | - Sławomir Ławicki
- Department of Population Medicine and Lifestyle Diseases Prevention, Medical University of Białystok, Białystokn Poland
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Nagy A, Boros K, Dyson S. Magnetic Resonance Imaging, Computed Tomographic and Radiographic Findings in the Metacarpophalangeal Joints of 40 Non-Lame Thoroughbred Yearlings. Animals (Basel) 2023; 13:3466. [PMID: 38003084 PMCID: PMC10668665 DOI: 10.3390/ani13223466] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Revised: 11/06/2023] [Accepted: 11/08/2023] [Indexed: 11/26/2023] Open
Abstract
Most catastrophic injuries in Thoroughbred racehorses involve the fetlock. There is no description of comparative imaging in Thoroughbreds entering racehorse training. The aim was to describe MRI, CT and radiographic findings in the metacarpophalangeal joint of non-lame Thoroughbred yearlings. Forty Thoroughbreds underwent low-field MRI, fan-beam CT and radiographic examinations of both metacarpophalangeal joints. Images were assessed subjectively. A hypoattenuating lesion of the sagittal ridge of the third metacarpal bone (McIII) was identified in 33/80 limbs in CT reconstructions. Cone-shaped mineralisation in the sagittal ridge was detected in MR images (n = 17) and in CT images (n = 5). Mild hyperattenuation was common in trabecular bone in the dorsomedial (36/80) and palmarolateral (25/80) metacarpal condyles in CT reconstructions. A focal lesion in the subchondral bone was seen in the proximal phalanx (n = 19) and in McIII (n = 11). Enlarged vascular channels were detected in the metacarpal condyles in 57/80 limbs and in the proximal sesamoid bones in all limbs. Signs of bone modelling are seen in yearling Thoroughbred fetlocks. Sagittal ridge lesions were common and are likely associated with osteochondrosis or other developmental osteochondral defects. Focal lesions in the subchondral bone of McIII and proximal phalanx can indicate developmental abnormalities or subtle subchondral bone injuries.
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Affiliation(s)
- Annamaria Nagy
- Equine Department and Clinic, University of Veterinary Medicine Budapest, Doramajor, 2225 Ullo, Hungary;
| | - Koppány Boros
- Equine Department and Clinic, University of Veterinary Medicine Budapest, Doramajor, 2225 Ullo, Hungary;
| | - Sue Dyson
- The Cottage, Church Road, Market Weston, Diss IP22 2NX, UK;
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Pérez-Nogués M, López-Sanromán J, Spirito M, Manso-Díaz G. Treatments and Prognosis for Subchondral Cystic Lesions in the Distal Extremities in Thoroughbred Prospect Racehorses. Animals (Basel) 2023; 13:2838. [PMID: 37760238 PMCID: PMC10525349 DOI: 10.3390/ani13182838] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Revised: 09/04/2023] [Accepted: 09/05/2023] [Indexed: 09/29/2023] Open
Abstract
Subchondral cystic lesions (SCLs) in equines and their treatments have been mainly studied in the medial femoral condyle of the femur. SCLs in the distal extremities affecting the fetlock or interphalangeal joints are frequent, but treatment or prognosis studies in horses are currently sparse. Our objective was to compare four treatments for SCLs in the distal extremities (intralesional injection of corticosteroids, transcortical drilling, cortical screw placement, and absorbable hydroxyapatite implant placement) and report the racing prognoses for affected thoroughbred yearlings. Data from 113 thoroughbred yearlings treated for SCLs in the distal extremities were collected from 2014 to 2020. Age at surgery, sex, bone affected, radiographic SCL measurements, SCL shape, and type of treatment were recorded. Sale data and racing performance were collected for the operated horses and for 109 maternal siblings that were free of SCLs. An analysis was conducted to assess if SCL size affected racing prognosis and to detect differences in sale value and selected racing parameters between the cases and controls. The outcomes for the different treatments, the different bones affected, and the SCL shape type were also analyzed. There was no difference in the ability to start in a race between the cases and controls (60.2% vs. 69.7%, respectively). The auction value of the treated horses was significantly lower than that of their siblings. The bone affected did not impact any of the racing variables studied, whereas the height of the SCLs negatively affected the number of wins and placed races. The type of treatment for the horses affected by SCLs did not have an impact on sale prices, ability to start a race, race starts, wins, and places, or age at the time of the first start. In conclusion, yearlings diagnosed with an SCL in the distal extremities had lower auction prices and decreased racing performances, with lower numbers of wins correlated with larger SCL heights compared to the siblings. Similar racing performance was found regardless of the treatment received.
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Affiliation(s)
| | - Javier López-Sanromán
- Department of Animal Medicine and Surgery, Universidad Complutense de Madrid, Avenida Puerta de Hierro s/n, 28040 Madrid, Spain (G.M.-D.)
| | - Michael Spirito
- Hagyard Equine Medical Institute, 4250 Iron Works Pike, Lexington, KY 40511, USA;
| | - Gabriel Manso-Díaz
- Department of Animal Medicine and Surgery, Universidad Complutense de Madrid, Avenida Puerta de Hierro s/n, 28040 Madrid, Spain (G.M.-D.)
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Lecourtois C, Baudin-Tréhiou C, Blond L. Lumbosacral endplate contour defect is frequently observed concurrent with other lumbosacral abnormalities on spinal CT of French Bulldogs. Vet Radiol Ultrasound 2023; 64:813-822. [PMID: 37366604 DOI: 10.1111/vru.13271] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2023] [Revised: 05/11/2023] [Accepted: 05/13/2023] [Indexed: 06/28/2023] Open
Abstract
Lumbosacral osteochondrosis has been previously described in large breed dogs with variable clinical signs. Its CT features are a contour defect at the dorsal aspect of either vertebral endplate, commonly with an adjacent fragment. Descriptions of this condition have not been previously published in an increasingly popular breed, French Bulldogs. Aims of this retrospective, descriptive, single center study were to evaluate CT lumbosacral abnormalities and the frequency of lumbosacral endplate contour defect in a large sample of French Bulldogs. The presence and location of lumbosacral endplate contour defect and the presence of a concurrent osseous fragment were recorded. Other abnormal CT findings such as L7-S1 disc herniation, cauda equina nerve roots compression or thickening, disc mineralization, endplate sclerosis, spondylosis deformans, S1 articular processes hypertrophy, transitional vertebrae, hemivertebrae, spina bifida, and block vertebrae were recorded. Lumbosacral CT abnormalities were present in 91.8% of dogs (168/183). The most common abnormality was an L7-S1 dorsal disc herniation (77.4%, 130/168). Among dogs with lumbosacral abnormalities, the frequency of a lumbosacral endplate contour defect was 47% (79/168). It mostly involved L7 (78.5%, 62/79) at its dorsolateral aspect (61.3%, 38/62). A mineralized fragment was identified in 62% of the defects (49/79). Endplate contour defects were most frequently seen with a concurrent disc herniation (93.7%, 74/79) causing nerve root compression in 63.3% (50/79) and with sclerosis (65.8%, 52/79). There was no definitive evidence of a relationship with clinical presentation in this sample of French Bulldogs; therefore, this finding should be interpreted with caution. The etiology remains unclear.
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Affiliation(s)
- Camille Lecourtois
- Department of Diagnostic Imaging, Centre Hospitalier Vétérinaire Languedocia, Montpellier, France
| | - Clément Baudin-Tréhiou
- Department of Diagnostic Imaging, Centre Hospitalier Vétérinaire Languedocia, Montpellier, France
| | - Laurent Blond
- Department of Diagnostic Imaging, Centre Hospitalier Vétérinaire Languedocia, Montpellier, France
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Bassani T, Cina A, Galbusera F, Sconfienza LM, Albano D, Barcellona F, Colombini A, Luca A, Brayda-Bruno M. Automatic classification of the vertebral endplate lesions in magnetic resonance imaging by deep learning model. Front Surg 2023; 10:1172313. [PMID: 37425349 PMCID: PMC10324976 DOI: 10.3389/fsurg.2023.1172313] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Accepted: 06/08/2023] [Indexed: 07/11/2023] Open
Abstract
Introduction A novel classification scheme for endplate lesions, based on T2-weighted images from magnetic resonance imaging (MRI) scan, has been recently introduced and validated. The scheme categorizes intervertebral spaces as "normal," "wavy/irregular," "notched," and "Schmorl's node." These lesions have been associated with spinal pathologies, including disc degeneration and low back pain. The exploitation of an automatic tool for the detection of the lesions would facilitate clinical practice by reducing the workload and the diagnosis time. The present work exploits a deep learning application based on convolutional neural networks to automatically classify the type of lesion. Methods T2-weighted MRI scans of the sagittal lumbosacral spine of consecutive patients were retrospectively collected. The middle slice of each scan was manually processed to identify the intervertebral spaces from L1L2 to L5S1, and the corresponding lesion type was labeled. A total of 1,559 gradable discs were obtained, with the following types of distribution: "normal" (567 discs), "wavy/irregular" (485), "notched" (362), and "Schmorl's node" (145). The dataset was divided randomly into a training set and a validation set while preserving the original distribution of lesion types in each set. A pretrained network for image classification was utilized, and fine-tuning was performed using the training set. The retrained net was then applied to the validation set to evaluate the overall accuracy and accuracy for each specific lesion type. Results The overall rate of accuracy was found equal to 88%. The accuracy for the specific lesion type was found as follows: 91% (normal), 82% (wavy/irregular), 93% (notched), and 83% (Schmorl's node). Discussion The results indicate that the deep learning approach achieved high accuracy for both overall classification and individual lesion types. In clinical applications, this implementation could be employed as part of an automatic detection tool for pathological conditions characterized by the presence of endplate lesions, such as spinal osteochondrosis.
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Affiliation(s)
- Tito Bassani
- IRCCS Istituto Ortopedico Galeazzi, Milan, Italy
| | - Andrea Cina
- Spine Center, Schulthess Clinic, Zurich, Switzerland
- Department of Health Sciences and Technologies, ETH Zurich, Zurich, Switzerland
| | | | - Luca Maria Sconfienza
- IRCCS Istituto Ortopedico Galeazzi, Milan, Italy
- Dipartimento di Scienze Biomediche per la Salute, Università Degli Studi di Milano, Milan, Italy
| | | | - Federica Barcellona
- Complex Unit of Radiology, Department of Diagnostic and Interventional Radiology, Azienda Socio Sanitaria Territoriale (ASST) Lodi, Lodi, Italy
| | | | - Andrea Luca
- IRCCS Istituto Ortopedico Galeazzi, Milan, Italy
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Zimmermann E, Distl O. SNP-Based Heritability of Osteochondrosis Dissecans in Hanoverian Warmblood Horses. Animals (Basel) 2023; 13:ani13091462. [PMID: 37174498 PMCID: PMC10177438 DOI: 10.3390/ani13091462] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 03/24/2023] [Accepted: 04/21/2023] [Indexed: 05/15/2023] Open
Abstract
Before the genomics era, heritability estimates were performed using pedigree data. Data collection for pedigree analysis is time consuming and holds the risk of incorrect or incomplete data. With the availability of SNP-based arrays, heritability can now be estimated based on genotyping data. We used SNP array and 1.6 million imputed genotype data with different minor allele frequency restrictions to estimate heritabilities for osteochondrosis dissecans in the fetlock, hock and stifle joints of 446 Hanoverian warmblood horses. SNP-based heritabilities were estimated using a genomic restricted maximum likelihood (GREML) method and accounting for patterns of regional linkage disequilibrium in the equine genome. In addition, we employed GREML for family data to account for different degrees of relatedness in the study population. Our results indicate that we were able to capture a larger proportion of additive genetic variance compared to pedigree-based estimates in the same population of Hanoverian horses. Heritability estimates on the linear scale for fetlock-, hock- and stifle-osteochondrosis dissecans were 0.41-0.43, 0.62-0.63, and 0.23-0.25, respectively, with standard errors of 0.11-0.14. Accounting for linkage disequilibrium patterns had an upward effect on the imputed data and a downward impact on the SNP array genotype data. GREML for family data resulted in higher heritability estimates for fetlock-osteochondrosis dissecans and slightly higher estimates for hock-osteochondrosis dissecans, but had no effect on stifle-osteochondrosis dissecans. The largest and most consistent heritability estimates were obtained when we employed GREML for family data with genomic relationship matrices weighted through patterns of regional linkage disequilibrium. Estimation of SNP-based heritability should be recommended for traits that can only be phenotyped in smaller samples or are cost-effective.
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Affiliation(s)
- Elisa Zimmermann
- Institute for Animal Breeding and Genetics, University of Veterinary Medicine Hannover (Foundation), 30559 Hannover, Germany
| | - Ottmar Distl
- Institute for Animal Breeding and Genetics, University of Veterinary Medicine Hannover (Foundation), 30559 Hannover, Germany
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Perry KM, Enders BD, Negrão Watanabe TT. Refractory shock, hypercoagulability, and multiorgan thrombosis associated with hypertrophic osteodystrophy in a dog. J Vet Emerg Crit Care (San Antonio) 2023; 33:257-262. [PMID: 36799891 DOI: 10.1111/vec.13280] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Revised: 02/07/2022] [Accepted: 02/26/2022] [Indexed: 02/18/2023]
Abstract
OBJECTIVE To describe the clinical findings and case progression in a dog presenting with severe systemic inflammatory response, refractory shock, progressive metabolic acidosis, and respiratory failure that was ultimately diagnosed with hypertrophic osteodystrophy (HOD). CASE SUMMARY A 4-month-old male intact Mastiff presented with a 24-hour history of lethargy and generalized ostealgia. On examination, the dog was recumbent, febrile, and tachycardic with pain on palpation of the abdomen, right femur, and mandible. Appendicular joint radiographs showed changes consistent with osteochondrosis and ulnar-retained cartilaginous cores, with no overt evidence of HOD. Initial treatment included IV fluid therapy, multimodal analgesia, and broad-spectrum antimicrobials. Vasopressor therapy was initiated following hemodynamic decompensation. Synovial fluid cytological analysis and culture revealed nonseptic suppurative inflammation and no bacterial growth, respectively. Blood and urine cultures also yielded no growth. Viscoelastic testing was consistent with hypercoagulability. The dog initially had a metabolic acidosis with appropriate respiratory compensation that progressed to a mixed metabolic and respiratory acidosis despite aggressive therapies that included antimicrobials, vasopressors, positive inotropes, and corticosteroids. Humane euthanasia was elected approximately 32 hours after admission. Necropsy yielded a diagnosis of HOD. NEW OR UNIQUE INFORMATION PROVIDED This is the first report detailing the occurrence of refractory shock and hypercoagulability associated with HOD in a dog without evidence of another identified comorbidity. HOD should be considered in any young, large-breed dog with generalized ostealgia and signs of systemic illness, even in the absence of classic radiographic abnormalities. Further investigation of coagulation status in dogs with HOD and a secondary systemic inflammatory response is warranted.
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Affiliation(s)
- Kayla M Perry
- Department of Clinical Sciences, College of Veterinary Medicine, North Carolina State University, Raleigh, North Carolina, USA
| | - Brittany D Enders
- Small Animal Emergency and Triage Services, College of Veterinary Medicine, North Carolina State University, Raleigh, North Carolina, USA
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Armstrong AR, Zbýň Š, Kajabi AW, Metzger GJ, Ellermann JM, Carlson CS, Tóth F. Naturally occurring osteochondrosis latens lesions identified by quantitative and morphological 10.5 T MRI in pigs. J Orthop Res 2023; 41:663-673. [PMID: 35716161 PMCID: PMC9759621 DOI: 10.1002/jor.25401] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/18/2021] [Revised: 05/31/2022] [Accepted: 06/15/2022] [Indexed: 02/04/2023]
Abstract
Juvenile osteochondritis dissecans (JOCD) is a pediatric orthopedic disorder that involves the articular-epiphyseal cartilage complex and underlying bone. Clinical disease is often characterized by the presence of radiographically apparent osteochondral flaps and fragments. The existence of early JOCD lesions (osteochondrosis latens [OCL] and osteochondrosis manifesta [OCM]) that precede the development of osteochondral flaps and fragments is also well recognized. However, identification of naturally occurring OCL lesions (confined to cartilage) using noninvasive imaging techniques has not yet been accomplished. We hypothesized that 10.5 T magnetic resonance imaging (MRI) can identify naturally occurring OCL lesions at predilection sites in intact joints of juvenile pigs. Unilateral elbows and knees (stifles) were harvested from three pigs aged 4, 8, and 12 weeks, and scanned in a 10.5 T MRI to obtain morphological 3D DESS images, and quantitative T2 and T1ρ relaxation time maps. Areas with increased T2 and T1ρ relaxation times in the articular-epiphyseal cartilage complex were identified in 1/3 distal femora and 3/3 distal humeri and were considered suspicious for OCL or OCM lesions. Histological assessment confirmed the presence of OCL or OCM lesions at each of these sites and failed to identify additional lesions. Histological findings included necrotic vascular profiles associated with areas of chondronecrosis either confined to the epiphyseal cartilage (OCL, 4- and 8-week-old specimens) or resulting in a delay in endochondral ossification (OCM, 12-week-old specimen). Future studies with clinical MR systems (≤7 T) are needed to determine whether these MRI methods are suitable for the in vivo diagnosis of early JOCD lesions in humans.
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Affiliation(s)
- Alexandra R. Armstrong
- Department of Veterinary Clinical Sciences, University of Minnesota Twin Cities, Minneapolis, Minnesota, USA
| | - Štefan Zbýň
- Center for Magnetic Resonance Research, University of Minnesota Twin Cities, Minneapolis, Minnesota, USA
| | - Abdul Wahed Kajabi
- Center for Magnetic Resonance Research, University of Minnesota Twin Cities, Minneapolis, Minnesota, USA
| | - Gregory J. Metzger
- Center for Magnetic Resonance Research, University of Minnesota Twin Cities, Minneapolis, Minnesota, USA
| | - Jutta M. Ellermann
- Center for Magnetic Resonance Research, University of Minnesota Twin Cities, Minneapolis, Minnesota, USA
| | - Cathy S. Carlson
- Department of Veterinary Clinical Sciences, University of Minnesota Twin Cities, Minneapolis, Minnesota, USA
| | - Ferenc Tóth
- Department of Veterinary Clinical Sciences, University of Minnesota Twin Cities, Minneapolis, Minnesota, USA
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FONSECA JP, FIGUEIREDO P, PINHEIRO JP. OSTEOCHONDROSES IN CHILDREN'S SPORTS PRACTICE - A RARE CASE OF VAN NECK-ODELBERG DISEASE. J Rehabil Med Clin Commun 2022; 5:4593. [PMID: 36619903 PMCID: PMC9772922 DOI: 10.2340/jrmcc.v5.4593] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Accepted: 10/28/2022] [Indexed: 12/14/2022]
Abstract
Background Osteochondroses are a set of conditions concerning the ossification of the developing bone. Higher intensity in sports activities can increase its occurrence in children. There is no consensus on its etiology, with multiple factors being involved. Van Neck-Odelberg disease is a rare osteochondrosis located in ischiopubic synchondrosis. Treatment is mainly conservative, with activity suspension. Addressing and correcting the predisposing factors is crucial to these injuries. Case report We present a case of a 6-year-old futsal player who experienced mechanical inguinal moderate pain during sports practice. After performing physical examination, laboratory tests, and radiographic evaluation, the patient was diagnosed with Van Neck-Odelberg disease. Sports activities were suspended while a conservative treatment was performed, with subsequent follow-up over 3.5 years. No symptom recurrence was reported. Conclusion Increased intensity of sports activities is associated with overuse injuries in children, especially before completing the ossification process. Preventive measures must remain the primary concern in children's sports practice.
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Affiliation(s)
- João P. FONSECA
- Department of Physical and Rehabilitation Medicine, Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal
| | - Pedro FIGUEIREDO
- Department of Physical and Rehabilitation Medicine, Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal,Faculty of Medicine, University of Coimbra, Coimbra, Portugal
| | - João P. PINHEIRO
- Department of Physical and Rehabilitation Medicine, Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal,Faculty of Medicine, University of Coimbra, Coimbra, Portugal
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Engiles JB, Fanzone N, Wulster KB, Schumacher J, Pierdon MK. Gross, histopathologic, microbiologic, and radiologic characterization of lesions associated with clinical lameness in a cohort of group-housed sows euthanized for lameness. Vet Pathol 2022; 59:960-972. [PMID: 35938491 DOI: 10.1177/03009858221114470] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Lameness in sows is reported as the most frequent cause of early culling from commercial farms and results in reduced productivity, economic losses, and a negative impact on animal welfare. Osteochondrosis was reported as the leading cause of lameness in North American sows and, although more recent European studies report infectious arthritis as the leading cause, lameness in US production facilities using group housing for gestating sows has not yet been evaluated. This study's aim was to characterize lesions associated with lameness in the appendicular musculoskeletal system of 26 sows euthanized for lameness using pathologic, radiologic, and microbiologic analyses. Of 178 total lesions, infectious lesions were most common (54%), predominated in distal limb segments (ie, at or distal to carpi and tarsi) and more often correlated with the clinically lame limb, whereas osteochondrosis and degenerative osteoarthritis predominated in proximal limb segments (ie, at or proximal to cubital and stifle joints) and rarely correlated with the clinically lame limb. The location and characteristics of infectious lesions, including mixed bacterial growth isolated from 22/22 orthopedic sites representing 19 sows with Trueperella pyogenes isolated in 16/22 (73%) of samples, suggest an etiologic component involving trauma. Radiography had a 70.6% sensitivity and 93.9% specificity for detecting infectious lesions affecting tarsocrural, antebrachiocarpal, and digital (ie, claw) regions combined. The frequency, type, and location of infectious lesions identified in this cohort of sows euthanized for lameness differ from previous reports, indicating the need for further investigation of the etiopathogenesis, earlier detection methods, and prevention.
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Marchant EA, Semevolos SA. Differential Protein Expression of the Marginal Transitional Zone in Foals with Osteochondrosis. J Equine Vet Sci 2022; 116:104055. [PMID: 35753633 DOI: 10.1016/j.jevs.2022.104055] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Revised: 05/24/2022] [Accepted: 06/19/2022] [Indexed: 11/16/2022]
Abstract
The marginal transitional zone is peripherally located within the diarthrodial joint, and represents the interface of articular cartilage, periosteum, and the fibrous joint capsule. The purpose of this study is to characterize the protein expression of matrix and molecular regulators in the marginal transitional zone of foals having osteochondrosis (OC) compared to normal foals. Several families of proteins with known roles in cartilage and bone development are investigated, including matrix molecules, Wnt signaling, apoptotic factors and paracrine cell signaling molecules. Our results demonstrate differential protein expression in the marginal transitional zone from the lateral femoral trochlear ridge of foals affected by osteochondrosis. Alterations in protein expression of OC-affected foals mainly involve components of extracellular matrix homeostasis and canonical Wnt signaling. Matrix expression of collagen type IIB and lubricin are decreased and matrix metalloproteinase-3 expression is increased in OC-affected marginal transitional zone samples. Canonical Wnt signaling is inhibited in OC-affected marginal transitional zone samples, based on increased Dickkopf-1 and decreased β-catenin protein expression. Most apoptotic and paracrine signaling proteins are not altered in OC-affected marginal transitional zone samples.
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Affiliation(s)
- Elizabeth A Marchant
- Department of Clinical Sciences, Carlson College of Veterinary Medicine, Oregon State University, Corvallis, OR 97331 USA
| | - Stacy A Semevolos
- Department of Clinical Sciences, Carlson College of Veterinary Medicine, Oregon State University, Corvallis, OR 97331 USA.
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17
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Dittmer KE, Edgar S, Pinckney G, Thompson KG. Angular limb deformities due to distal radial physeal osteochondrosis in farmed deer stags in New Zealand. N Z Vet J 2022; 71:42-48. [PMID: 35711117 DOI: 10.1080/00480169.2022.2091678] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
CASE HISTORY Three different farms reported cases of angular limb deformities in rising 2-year-old velvet, mostly red deer, stags with the earliest recorded cases occurring in 2010. Farm 1 reported a prevalence of 10-35%, farm 2, 5-11.5% and farm 3, 2-5%. Farms 1, 2 and 3 are located in South Canterbury, northern Southland and the Waikato, respectively. CLINICAL FINDINGS Affected animals developed angular limb deformities, with predominantly varus forelimb (bowed) deformities. On all farms serum calcium and phosphorus concentrations in affected animals were normal. Serum and liver copper concentrations were variable across the period of the study and between farms. Although some measurements were below the reference ranges, there was no evidence for a statistical association with the prevalence of abnormalities. PATHOLOGICAL FINDINGS The distal radius from 25 affected and four control red and red-wapiti cross deer from Farm 1 in 2010/2011, two affected red deer from Farm 2 in 2016, and one affected red deer from Farm 3 in 2021, were examined. The most consistent lesions were present in the distal radial physis, most commonly the lateral edge. There was mild-to-severe segmental thickening of the physis and, in some animals, physeal cartilage was duplicated with both sections of physis varying in thickness. Microscopically, in severely affected animals there was massive segmental thickening of physeal cartilage which often contained large cystic cavities. The cartilage matrix was eosinophilic and showed a loss of metachromatic staining with toluidine blue. In less severe cases, necrotic physeal vessels were present, consistent with vascular failure. In more chronic cases, there was duplication of the physis, the two layers being separated by a combination of normal trabecular bone and dense fibrous connective tissue. DIAGNOSIS Physeal osteochondrosis. CLINICAL RELEVANCE Osteochondrosis has a multifactorial aetiology and we propose that an increased requirement for nutrients for velvet production and increased weight bearing stress (behaviour and rapid weight gain) may lead to progression of osteochondrosis and angular limb deformities in these deer. The involvement of periods of copper deficiency is unclear at this time.
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Affiliation(s)
- K E Dittmer
- School of Veterinary Science, Massey University, Palmerston North, New Zealand
| | - S Edgar
- Northern Southland Veterinary Services, 101 Berwick Street, Riversdale, New Zealand
| | - G Pinckney
- Vetplus Reporoa, 605 Settlers Road, Reporoa, New Zealand
| | - K G Thompson
- School of Veterinary Science, Massey University, Palmerston North, New Zealand
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18
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Dee DT, Hung VT, Schamblin CJ, Lupica GM, Hitchens HR, McGarry MH, Lee TQ. Radiocapitellar Contact Characteristics After Osteochondral Defect Repair Using a Novel Hybrid Reconstructive Procedure. Orthop J Sports Med 2022; 10:23259671221083582. [PMID: 35340725 PMCID: PMC8941709 DOI: 10.1177/23259671221083582] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Accepted: 12/15/2021] [Indexed: 11/17/2022] Open
Abstract
Background: Many procedures to reconstruct osteochondral defects of the elbow
radiocapitellar (RC) joint lack versatility or durability or do
not directly address the subchondral bone structure and
function. Purpose/Hypothesis: To biomechanically characterize the RC joint contact area, force,
pressure, and peak pressure before and after reconstruction of
osteochondral defects using a novel hybrid reconstructive
procedure. It was hypothesized that the procedure would restore
the contact characteristics to the intact condition. Study Design: Controlled laboratory study. Methods: A total of 10 cadaveric elbows (mean age 67 ± 2.7 years) were
dissected to isolate the humerus and radial head. RC contact
area, contact force, mean contact pressure, and peak contact
pressure were measured with the elbow at 45° of flexion and
neutral forearm rotation at compressive loads of 25, 50, and 75
N. Osteochondral defects 8 and 11 mm in diameter were created at
the center of the capitellum; the defects were then
reconstructed with a titanium fenestrated threaded implant,
countersunk in the subchondral bone, with an acellular dermal
matrix allograft sutured in place on top of the implant. Five
conditions (intact, 8-mm defect, 8-mm repair, 11-mm defect, and
11-mm repair) were tested and results were compared using
repeated-measures analysis of variance. Results: Both 8- and 11-mm defects significantly increased RC mean contact
pressure at all compressive loads (P ≤ .008)
and significantly increased peak contact pressure at compressive
loads of 50 and 75 N (P < .002) compared
with the intact condition. Repair of the 8-mm defect
significantly decreased RC mean contact pressure at 25- and 50-N
loads (P ≤ .009) and significantly decreased
peak contact pressure at 50- and 75-N loads (P
≤ .035) compared with the defect condition. Repair of the 11-mm
defect decreased mean contact pressure significantly at all
compressive loads (P ≤ .001) and peak contact
pressure at 50- and 75-N loads (P < .044)
compared with the defect condition. Conclusion: RC joint contact pressure was restored to intact conditions while
avoiding increased peak contact pressure or edge loading after
repairing osteochondral defects related to osteochondrosis with
a novel hybrid reconstruction technique. Clinical Relevance: This hybrid procedure that addresses the entire osteochondral unit
may provide a new treatment option for osteochondral
defects.
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Affiliation(s)
- Derek T Dee
- Dee Sports Orthopedics, Huntington Beach, California, USA
| | - Victor T Hung
- Orthopaedic Biomechanics Laboratory, Congress Medical Foundation, Pasadena, California, USA
| | - Connor J Schamblin
- Orthopaedic Biomechanics Laboratory, Congress Medical Foundation, Pasadena, California, USA
| | - Gregory M Lupica
- Orthopaedic Biomechanics Laboratory, Congress Medical Foundation, Pasadena, California, USA
| | - Hunter R Hitchens
- Orthopaedic Biomechanics Laboratory, Congress Medical Foundation, Pasadena, California, USA
| | - Michelle H McGarry
- Orthopaedic Biomechanics Laboratory, Congress Medical Foundation, Pasadena, California, USA
| | - Thay Q Lee
- Orthopaedic Biomechanics Laboratory, Congress Medical Foundation, Pasadena, California, USA
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Näther P, Kersten JF, Kaden I, Irga K, Nienhaus A. Distribution Patterns of Degeneration of the Lumbar Spine in a Cohort of 200 Patients with an Indication for Lumbar MRI. Int J Environ Res Public Health 2022; 19:3721. [PMID: 35329406 DOI: 10.3390/ijerph19063721] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/13/2022] [Revised: 03/16/2022] [Accepted: 03/19/2022] [Indexed: 11/29/2022]
Abstract
Lower back pain is one of the most common causes of a reduced quality of life. Magnetic resonance imaging (MRI) is the best suited imaging technique to detect causes of that pain. We retrospectively evaluated the MRIs of the lumbar spine for 200 patients in order to describe the distribution of signs of degeneration with regard to age, sex, and position of the disc affected. The number of spinal segments affected by degeneration increased with age, as did the number of signs of degeneration per segment. In patients aged between 21 and 30, 38.8% of discs were affected, while for patients aged between 51 and 60, 91.6% of discs were affected. There was no statistically significant gender difference. The lower two segments were most commonly affected by degeneration. The most common were structural changes to the discs, which affected 88.4% of patients over 50. Spondylosis was the most common bone-related change, found in 60.4% of patients over the age of 50. A reduction in disc height increases the likelihood of structural changes to the disc and bone-related changes. When investigating risk factors for developing disc-related diseases, the complex disc degeneration patterns described here should be taken into account.
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Franklin SP, Stoker AM, Murphy SM, Kowaleski MP, Gillick M, Kim SE, Karlin M, Cross A, Cook JL. Outcomes Associated With Osteochondral Allograft Transplantation in Dogs. Front Vet Sci 2022; 8:759610. [PMID: 35004920 PMCID: PMC8739896 DOI: 10.3389/fvets.2021.759610] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2021] [Accepted: 12/06/2021] [Indexed: 11/25/2022] Open
Abstract
The purpose of this study was to retrospectively characterize outcomes and complications associated with osteochondral allograft transplantation for treating chondral and osteochondral lesions in a group of client-owned dogs with naturally-occurring disease. Records were reviewed for information on signalment, treated joint, underlying pathology (e.g., osteochondritis dissecans; OCD), and type, size, and number of grafts used. Complications were classified as “trivial” if no treatment was provided, “non-surgical” if non-surgical treatment were needed, “minor surgical” if a minor surgical procedure such as pin removal were needed but the graft survived and function was acceptable, or “major” if the graft failed and revision surgery were needed. Outcomes were classified as unacceptable, acceptable, or full function. Thirty-five joints in 33 dogs were treated including nine stifles with lateral femoral condyle (LFC) OCD and 10 stifles with medial femoral condyle (MFC) OCD treated with osteochondral cylinders or “plugs.” There were 16 “complex” procedures of the shoulder, elbow, hip, stifle, and tarsus using custom-cut grafts. In total there were eight trivial complications, one non-surgical complication, two minor surgical complications, and five major complications for a total of 16/35 cases with complications. Accordingly, there were five cases with unacceptable outcomes, all of whom had major complications while the other 30 cases had successful outcomes. Of the 30 cases with successful outcomes, 15 had full function and 15 had acceptable function. Based on these subjective outcome assessments, it appears osteochondral allograft transplantation is a viable treatment option in dogs with focal or complex cartilage defects. However, no conclusions can be made regarding the inferiority or superiority of allograft transplantation in comparison to other treatment options based upon these data.
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Affiliation(s)
- Samuel P Franklin
- Colorado Canine Orthopedics and Rehab, Colorado Springs, CO, United States
| | - Aaron M Stoker
- Thompson Laboratory for Regenerative Orthopaedics, University of Missouri, Columbia, MO, United States
| | - Sean M Murphy
- WestVet Animal Emergency and Specialty Center, Garden City, ID, United States
| | - Michael P Kowaleski
- Department of Clinical Sciences, Cummings School of Veterinary Medicine, Tufts University, North Grafton, MA, United States
| | - Mitchell Gillick
- Toronto Veterinary Emergency and Referral Hospital, Toronto, ON, Canada
| | - Stanley E Kim
- Department of Small Animal Clinical Sciences, University of Florida, Gainesville, FL, United States
| | - Michael Karlin
- Department of Clinical Sciences, Cummings School of Veterinary Medicine, Tufts University, North Grafton, MA, United States
| | - Alan Cross
- BluePearl Pet Hospital, Atlanta, GA, United States
| | - James L Cook
- Thompson Laboratory for Regenerative Orthopaedics, University of Missouri, Columbia, MO, United States
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Bobunov DN, Tyusenko AE, Temnyakova VA, Soldatova LN, Iordanishvili AK, Protsenko AR. [Physical rehabilitation for osteochondrosis of the cervical and thoracic spine in elderly and senile people (Stage 3).]. Adv Gerontol 2022; 35:439-447. [PMID: 36169374] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
The concept of a multidisciplinary approach to the treatment of osteochondrosis in elderly and senile patients by specialists of various profiles using medicinal and non-medicinal methods is especially relevant today, therefore, it is necessary to develop and put into practice various options for the combined use of physical rehabilitation means at different stages of rehabilitation treatment of elderly and senile patients with osteochondrosis of the cervical and thoracic spine. The dynamics of clinical manifestations of osteochondrosis after rehabilitation treatment relative to the age of patients in groups showed that the effectiveness of the technique is much higher in elderly patients, in contrast to senile patients and centenarians. The study revealed no significant complications and side effects when using this technique, which allows us to recommend it as a means of secondary prevention of diseases of the cervical and thoracic osteochondrosis, especially in the presence of contraindications to the use of non-steroidal anti-inflammatory drugs and glucocorticoids. The technique can be recommended for use in fitness clubs, athletic halls and medical and physical education dispensaries.
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Affiliation(s)
- D N Bobunov
- I.I.Mechnikov North-West State Medical University, 41 Kirochnaya str., St. Petersburg 191015, Russian Federation, e-mail:
| | - A E Tyusenko
- I.I.Mechnikov North-West State Medical University, 41 Kirochnaya str., St. Petersburg 191015, Russian Federation, e-mail:
| | - V A Temnyakova
- I.I.Mechnikov North-West State Medical University, 41 Kirochnaya str., St. Petersburg 191015, Russian Federation, e-mail:
| | - L N Soldatova
- I.P.Pavlov First Saint-Petersburg State Medical University, 6-8 L.Tolstoy str., St. Petersburg 197022, Russian Federation
| | - A K Iordanishvili
- S.M.Kirov Military Medical Academy, 6 str. Academician Lebedev, St. Petersburg 194044, Russian Federation
| | - A R Protsenko
- I.I.Mechnikov North-West State Medical University, 41 Kirochnaya str., St. Petersburg 191015, Russian Federation, e-mail:
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22
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Bobunov DN, Ovasapyan ED, Matveeva DV, Iordanishvili AK, Senyukov AV, Shagalin DV. [Physical rehabilitation for osteochondrosis of the cervical and thoracic spine in elderly and senile people (Stage 2).]. Adv Gerontol 2022; 35:126-133. [PMID: 35522118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
The main and most frequently used means of physical rehabilitation for osteochondrosis of the cervical and thoracic spine is motor rehabilitation. The goals of physical rehabilitation of persons suffering from osteochondrosis are to strengthen the muscles of the back, reduce the load on the intervertebral discs, improve blood circulation, restore a normal motor stereotype and, as a result, reduce pain. The use of means of motor rehabilitation is scientifically substantiated, the mechanisms of their effect on the functional state of the body have been studied, and the effectiveness of their use is beyond doubt. However, the lack of multidisciplinary programs, at the heart of rehabilitation measures specifically for elderly and senile people with osteochondrosis of the cervical and thoracic spine, in practice leads to the widespread use of drug and targeted therapy, involving the use of only drugs that reduce pain and muscle tension. The lack of an individual approach, group exercises for physical therapy, handing out to patients advertising brochures, schemes for physical therapy, without practicing exercises in practical classes, lead to negative consequences and relapses of diseases and a negative attitude of patients towards the discipline as a whole. In this regard, it is necessary to develop and introduce into practice various complexes of physiotherapy exercises for elderly and senile patients with osteochondrosis of the cervical and thoracic spine.
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Affiliation(s)
- D N Bobunov
- I.I.Mechnikov North-West State Medical University, 41 Kirochnaya str., St. Petersburg 191015, Russian Federation, e-mail:
| | - E D Ovasapyan
- I.I.Mechnikov North-West State Medical University, 41 Kirochnaya str., St. Petersburg 191015, Russian Federation, e-mail:
| | - D V Matveeva
- I.P.Pavlov First Saint-Petersburg State Medical University, 6-8 Lev Tolstoy str., St. Petersburg 197022, Russian Federation
| | - A K Iordanishvili
- S.M.Kirov Military Medical Academy, 6 str. Academician Lebedev, St. Petersburg 194044, Russian Federation
| | - A V Senyukov
- Saint-Petersburg State Pediatric Medical University, 2 Litovskaya str., St. Petersburg 194100, Russian Federation
| | - D V Shagalin
- S.M.Kirov Military Medical Academy, 6 str. Academician Lebedev, St. Petersburg 194044, Russian Federation
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Matheson A, Regmi SC, Martin-Alarcon L, Jay GD, Scott WM, Schmidt TA. Proteoglycan-4 and hyaluronan composition in synovial fluid and serum from clinical equine subjects: relationship to cartilage boundary lubrication and viscosity of synovial fluid. Connect Tissue Res 2021; 62:369-380. [PMID: 32306780 DOI: 10.1080/03008207.2020.1751140] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Purpose: In experimental models of equine joint-injury and osteoarthritis synovial fluid (SF) composition (proteoglycan-4, hyaluronan) can vary, along with changes to SF mechanical function (lubrication, viscosity). The study hypotheses were a) clinical equine joint-injury and disease results in altered SF composition and diminished mechanical function, and b) serum composition (proteoglycan-4 or hyaluronan) changes concurrently. The objectives were to characterize composition (proteoglycan-4, hyaluronan), and function of SF and serum from normal horses compared to clinical groups: osteoarthritis, acute-joint-injury, and osteochondrosis.Materials and Methods: Equine samples of SF (from various joints) and blood were collected at the point-of-care. Proteoglycan-4 concentrations were measured by amplified-luminescence-proximity-assay and enzyme-linked-immunosorbent-assay in SF and serum, respectively. Molecular-weight of hyaluronan was characterized by agarose-gel-electrophoresis, and concentrations were measured by enzyme-linked-immunosorbent-assay kit. Biomechanical function of SF was characterized by an in vitro cartilage-on-cartilage friction test, and viscosity test.Results: SF proteoglycan-4 concentration increased in acute-joint-injury (1185 ± 276 versus normal 205 ± 106 µg/mL, µ± SEM, p < 0.01), with increased percentage of lower molecular-weight hyaluronan in acute-joint-injury and osteochondrosis. SF and serum proteoglycan-4 concentrations were correlated in normal horses (r2 = 0.85, p < 0.05), but not in clinical groups. Cartilage-lubricating ability was unchanged, although steady-shear viscosity of acute-joint-injury SF decreased from normal.Conclusion: Composition of SF from cases of equine acute-joint-injury changed; both proteoglycan-4 concentration and hyaluronan molecular-weight were altered, with decreased SF viscosity, but no associated changes to serum. Serum proteoglycan-4 and hyaluronan concentrations alone may not be useful biomarkers for equine joint-injury or disease.
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Affiliation(s)
- Austyn Matheson
- Biomedical Engineering Graduate Program, University of Calgary, Calgary, AB, Canada
| | - Suresh C Regmi
- Biomedical Engineering Graduate Program, University of Calgary, Calgary, AB, Canada
| | | | - Gregory D Jay
- Department of Emergency Medicine - Warren Alpert Medical School & School of Engineering, Brown University, Providence, RI, USA
| | - W Michael Scott
- Biomedical Engineering Graduate Program, University of Calgary, Calgary, AB, Canada.,Faculty of Veterinary Medicine, University of Calgary, Calgary, AB, Canada
| | - Tannin A Schmidt
- Biomedical Engineering Graduate Program, University of Calgary, Calgary, AB, Canada.,Biomedical Engineering Department, University of Connecticut Health Center, Farmington, CT, USA
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24
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Okutan AE, Ayas MS, Öner K, Turhan AU. Metatarsal Head Restoration With Tendon Autograft in Freiberg's Disease: A Case Report. J Foot Ankle Surg 2021; 59:1109-1112. [PMID: 32653393 DOI: 10.1053/j.jfas.2019.06.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/28/2019] [Revised: 05/30/2019] [Accepted: 06/11/2019] [Indexed: 02/03/2023]
Abstract
Freiberg's disease is a form of osteochondrosis of a metatarsal head that often affects the second metatarsophalangeal joint, and that affects females more often than males. Repetitive microtrauma, osteonecrosis, and stress overload are the main factors in its pathophysiology. Surgical intervention is indicated in advanced cases wherein nonoperative treatment has failed. In this report, we describe the case of a young female who had Freiberg's disease localized to the third metatarsal head bilaterally and who was successfully treated with peroneus longus tendon transplantation.
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Affiliation(s)
- Ahmet Emin Okutan
- Resident, Department of Orthopaedic Surgery, Karadeniz Technical University School of Medicine, Trabzon, Turkey.
| | - Muhammet Salih Ayas
- Surgeon, Department of Orthopaedic Surgery, Erzurum Regional Training and Research Hospital, Erzurum, Turkey
| | - Kerim Öner
- Assistant Professor, Department of Orthopaedic Surgery, Bozok University School of Medicine, Yozgat, Turkey
| | - Ahmet Uğur Turhan
- Professor, Department of Orthopaedic Surgery, Karadeniz Technical University School of Medicine, Trabzon, Turkey
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25
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Lemirre T, Santschi EM, Girard CA, Fogarty U, Janes JG, Richard H, Laverty S. Microstructural features of subchondral radiolucent lesions in the medial femoral condyle of juvenile Thoroughbreds: A microcomputed tomography and histological analysis. Equine Vet J 2021; 54:601-613. [PMID: 34117652 DOI: 10.1111/evj.13486] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Revised: 05/28/2021] [Accepted: 06/03/2021] [Indexed: 11/30/2022]
Abstract
BACKGROUND The aetiology of equine medial femoral condyle (MFC) subchondral bone radiolucencies (SR) is unknown. OBJECTIVES Characterise the microstructural structural features of MFC SR in juvenile Thoroughbreds with microcomputed tomography (μCT) and histology. STUDY DESIGN Cross-sectional post-mortem study. METHODS Distal femurs were collected at post-mortem. Conventional tomodensitometry was employed to scout for MFCs with and without SR lesions (SR+ and SR-, respectively). Group 1 were CT MFC SR+ and Group 2 age-matched SR- controls. Both underwent μCT and histological analysis. Group 3 CT MFC SR- foals, <6 months, were selected to search for chondronecrosis. Histological sections, processed from the lesion (Group 1) and a corresponding site in Groups 2 and 3, were assessed for chondronecrosis, fibrin, fibroplasia and osteochondral separation. Group 3 sections were surveyed for chondronecrosis alone. RESULTS A total of 178 femurs from 89 Thoroughbreds were harvested. Of these horses 19.1% (95% CI: 10.9%-27.3%) were CT MFC SR+ (17/23; 7.46 ± 4.36 months) and met the inclusion criteria for Group 1. Group 2 included 30 CT MFC SR- specimens (5.00 ± 2.73 months) and Group 3 had 44 CT MFC SR- s (2.68 ± 1.74 months). SR were located axially in foals <7 months of age, and centrally thereafter. All SRs had areas of thickened cartilage on histology and separation at the osteochondral junction containing fibrin (acute event) and fibroplasia (chronicity) in 73.9% (17/23; 95% CI: 56%-91.9%). In Group 1 specimens, chondronecrosis was present in 82.6% (19/23; 95% CI: 67.1%-98.1%) but four MFC SR+ had no evidence of chondronecrosis. Chondronecrosis was not detected in the Group 3 foal MFCs. MAIN LIMITATIONS No longitudinal follow-up. CONCLUSIONS The absence of chondronecrosis, pathognomic of osteochondrosis, in four MFC SR+s and in all of the CT MFC SR- foals suggests that osteochondrosis is not the cause, or the only cause, of these lesions and favours trauma as an alternate aetiological hypothesis.
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Affiliation(s)
- Thibeaut Lemirre
- Comparative Orthopaedic Research Laboratory, Département de Sciences Cliniques, Faculté de Médecine Vétérinaire, Université de Montréal, St-Hyacinthe, QC, Canada
| | | | - Christiane A Girard
- Comparative Orthopaedic Research Laboratory, Département de Sciences Cliniques, Faculté de Médecine Vétérinaire, Université de Montréal, St-Hyacinthe, QC, Canada
| | | | - Jennifer G Janes
- Department of Veterinary Science, University of Kentucky, Lexington, KY, USA
| | - Helene Richard
- Comparative Orthopaedic Research Laboratory, Département de Sciences Cliniques, Faculté de Médecine Vétérinaire, Université de Montréal, St-Hyacinthe, QC, Canada
| | - Sheila Laverty
- Comparative Orthopaedic Research Laboratory, Département de Sciences Cliniques, Faculté de Médecine Vétérinaire, Université de Montréal, St-Hyacinthe, QC, Canada
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26
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Sigurdsson SF, Olstad K, Ley CJ, Björnsdóttir S, Griffiths DJ, Fjordbakk CT. Radiological, vascular osteochondrosis occurs in the distal tarsus, and may cause osteoarthritis. Equine Vet J 2021; 54:82-96. [PMID: 33534938 DOI: 10.1111/evj.13432] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Revised: 01/18/2021] [Accepted: 01/22/2021] [Indexed: 11/30/2022]
Abstract
BACKGROUND Osteochondrosis occurs due to failure of the blood supply to growth cartilage. Osteochondrosis lesions have been identified in small tarsal bones and suggested to cause distal tarsal osteoarthritis; however, it has not been determined whether distal tarsal osteochondrosis lesions were the result of vascular failure. OBJECTIVES To perform post-mortem arterial perfusion and micro-computed tomography (CT) of the central (CTB) and third tarsal bones (TIII) of fetuses and foals up to 5 months old, to describe tarsal development and any lesions detected. STUDY DESIGN Descriptive, nonconsecutive case series. METHODS Twenty-three animals that died or were euthanased from 228 days of gestation to 5 months old were collected, comprising two fetuses and nine foals of miscellaneous breeds and 12 Icelandic Horse foals, a breed with high prevalence of distal tarsal osteoarthritis. One hindlimb from each foal was perfused arterially with barium, and the CTB and TIII were examined with micro-CT. RESULTS Perfusion yielded partial information from 41% of the animals. The CTB and TIII were supplied by nutrient arteries and perichondrial vessels with vertical, transverse and circumferential configurations. Fourteen of the 23 (61%) animals had focal defects in the ossification front, that is, radiological osteochondrosis. The majority of lesions matched the configuration and development of vertical vessels. Additionally, full-thickness, cylindrical defects matched transverse vessels, and the long axes of some dorsal lesions matched circumferential vessels. MAIN LIMITATIONS Lack of histological validation. CONCLUSIONS Post-mortem perfusion was poor for examination of the blood supply to the growth cartilage of the CTB and TIII. Radiological osteochondrosis lesions were compatible with vascular failure because they were focal, and because lesion geometry matched vessel configuration. The relationship between osteochondrosis and distal tarsal osteoarthritis warrants further investigation.
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Affiliation(s)
- Sigurdur F Sigurdsson
- Faculty of Veterinary Medicine, Department of Companion Animal Clinical Sciences, Equine Section, Norwegian University of Life Sciences, Oslo, Norway
| | - Kristin Olstad
- Faculty of Veterinary Medicine, Department of Companion Animal Clinical Sciences, Equine Section, Norwegian University of Life Sciences, Oslo, Norway
| | - Charles J Ley
- Department of Clinical Sciences, Swedish University of Agricultural Sciences, Uppsala, Sweden
| | | | - David J Griffiths
- Faculty of Veterinary Medicine, Department of Basic Sciences and Aquatic Medicine, Anatomy Section, Norwegian University of Life Sciences, Oslo, Norway
| | - Cathrine T Fjordbakk
- Faculty of Veterinary Medicine, Department of Companion Animal Clinical Sciences, Equine Section, Norwegian University of Life Sciences, Oslo, Norway
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27
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Parfenov SA, Parfenov YA, Vasilevskaya MA, Kovalenko AL, Elkin AA, Sapozhnikov KV, Rizakhanova OA. [Development of an algorithm for the appointment of biofeed-back therapy and Cytoflavin for the treatment of osteochondrosis in elderly patients.]. Adv Gerontol 2021; 34:375-383. [PMID: 34409816] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Continuous improvement of protocols for the treatment of various ailments, in particular, osteochondrosis, is one of the important tasks of providing medical care to elderly patients. Supplementation of treatment with Cytoflavin and biofeed-back therapy seems to be a promising solution, however, it is necessary to develop an algorithm to predict it effectiveness in patients taking into account their initial clinical and psychophysiological status. As a result of the treatment, predictors of the effectiveness of the use of Cytoflavin and biofeed-back therapy have been identified and an algorithm for their administration has been developed.
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Affiliation(s)
- S A Parfenov
- North-West Institute of Management, branch of RANEPA, 4 Pesochnaya emb., St. Petersburg 197376, Russian Federation
| | - Y A Parfenov
- North-West Institute of Management, branch of RANEPA, 4 Pesochnaya emb., St. Petersburg 197376, Russian Federation
| | - M A Vasilevskaya
- City Polyclinic № 91, 40 build. 2 str. 2nd Komsomolskaya, St. Petersburg 198264, Russian Federation
| | - A L Kovalenko
- Institute of Toxicology of Federal Medical Biological Agency, 1 str. Bekhtereva, St. Petersburg 192019, Russian Federation
| | - A A Elkin
- North-West Forensic Bureau, 29 Tchaikovsky str., St. Petersburg 191123, Russian Federation
| | - K V Sapozhnikov
- North-West Institute of Management, branch of RANEPA, 4 Pesochnaya emb., St. Petersburg 197376, Russian Federation
| | - O A Rizakhanova
- I.I.Mechnikov North-Western State Medical University, 41 pr. Mechnikova, St. Petersburg 195271, Russian Federation
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28
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Naik MV, Kirino Y, Uemura R, Kim S, Inoue Y, Hidaka Y. Radiographic diagnosis and surgical management for successful outcomes for osteochondrosis in Japanese Black calves. J Vet Med Sci 2020; 83:151-157. [PMID: 33390374 PMCID: PMC7870393 DOI: 10.1292/jvms.20-0310] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Osteochondrosis (OC) is not well recognized in cattle. Japanese Black (JB) cattle are valued for their beef and studies regarding OC are scarce. Hence, the aim
of this study was to retrospectively discuss clinical and radiographical findings, diagnosis and treatment options for OC in JB cattle for successful outcomes.
Medical records of 11 calves affected with OC were reviewed, retrospectively. Clinical and radiographic findings, treatment and outcomes and postmortem
examination findings were analyzed. All calves had lameness. Stifle (4/14) and tarsal (4/14) were the most affected joints. Subchondral bone lucencies were
observed in all joints (14/14) and accompanied with sclerosis (10/14). Radiographic grading was performed in calves. Calves were treated surgically (8/11) or
conservatively (1/11). Surgically treated calves were auctioned (5/8). Postmortem examination was performed (2/11). Gross findings revealed ulcerative lesion at
articular surface. Histopathologically, cartilage layer was defected at lesion. Inflammation (2/2) and granulation tissue (1/2) was also observed. In
conclusion, OC in JB cattle can be diagnosed on the basis of radiography with history and clinical signs in clinical setting. Surgery should be performed in
mild cases for successful outcomes. A modified radiographic grading criteria for clinical cases may hold potential in evaluating prognosis and outcomes.
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Affiliation(s)
- Mrunmayi Vishwanath Naik
- Laboratory of Veterinary Surgery, Department of Veterinary Science, University of Miyazaki, 1-1 Gakuen Kibana-dai Nishi, Miyazaki 889-2192, Japan
| | - Yumi Kirino
- Laboratory of Veterinary Surgery, Department of Veterinary Science, University of Miyazaki, 1-1 Gakuen Kibana-dai Nishi, Miyazaki 889-2192, Japan
| | - Ryoko Uemura
- Laboratory of Animal Health, Department of Veterinary Science, University of Miyazaki, 1-1 Gakuen Kibana-dai Nishi, Miyazaki 889-2192, Japan
| | - Sueun Kim
- Laboratory of Veterinary Surgery, Department of Veterinary Science, University of Miyazaki, 1-1 Gakuen Kibana-dai Nishi, Miyazaki 889-2192, Japan
| | - Yoshiyuki Inoue
- Laboratory of Veterinary Surgery, Department of Veterinary Science, University of Miyazaki, 1-1 Gakuen Kibana-dai Nishi, Miyazaki 889-2192, Japan
| | - Yuichi Hidaka
- Laboratory of Veterinary Surgery, Department of Veterinary Science, University of Miyazaki, 1-1 Gakuen Kibana-dai Nishi, Miyazaki 889-2192, Japan
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Mishima K, Fujita A, Mizuno S, Matsushita M, Nagata T, Kamiya Y, Miyake N, Matsumoto N, Imagama S, Kitoh H. Legg-Calvé-Perthes disease in a patient with Bardet-Biedl syndrome: A case report of a novel MKKS/BBS6 mutation. Clin Case Rep 2020; 8:3110-3115. [PMID: 33363891 PMCID: PMC7752338 DOI: 10.1002/ccr3.3357] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Revised: 08/18/2020] [Accepted: 08/30/2020] [Indexed: 12/02/2022] Open
Abstract
This article reports a girl with Bardet-Biedl syndrome (BBS) having a novel causative mutation who developed Legg-Calvé-Perthes disease (LCPD). There exists a possibility that the prognosis of LCPD had been adversely affected by the concomitant BBS.
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Affiliation(s)
- Kenichi Mishima
- Department of Orthopaedic SurgeryNagoya University Graduate School of MedicineNagoyaJapan
| | - Atsushi Fujita
- Department of Human GeneticsYokohama City University Graduate School of MedicineYokohamaJapan
| | - Seiji Mizuno
- Division of Medical GeneticsAichi Developmental Disability CenterKasugaiJapan
| | - Masaki Matsushita
- Department of Orthopaedic SurgeryNagoya University Graduate School of MedicineNagoyaJapan
| | - Tadashi Nagata
- Department of Orthopaedic SurgeryNagoya University Graduate School of MedicineNagoyaJapan
| | - Yasunari Kamiya
- Department of Orthopaedic SurgeryNagoya University Graduate School of MedicineNagoyaJapan
| | - Noriko Miyake
- Department of Human GeneticsYokohama City University Graduate School of MedicineYokohamaJapan
| | - Naomichi Matsumoto
- Department of Human GeneticsYokohama City University Graduate School of MedicineYokohamaJapan
| | - Shiro Imagama
- Department of Orthopaedic SurgeryNagoya University Graduate School of MedicineNagoyaJapan
| | - Hiroshi Kitoh
- Department of Orthopaedic SurgeryAichi Children’s Health and Medical CenterObuJapan
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Lyng KD, Rathleff MS, Dean BJF, Kluzek S, Holden S. Current management strategies in Osgood Schlatter: A cross-sectional mixed-method study. Scand J Med Sci Sports 2020; 30:1985-1991. [PMID: 32562293 DOI: 10.1111/sms.13751] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2019] [Revised: 03/12/2020] [Accepted: 05/25/2020] [Indexed: 01/02/2023]
Abstract
BACKGROUND Osgood Schlatter disease (OSD) is the most common knee condition in adolescent athletes aged 9-16. Without evidence to guide clinical practice, it is unclear how OSD is managed. The aim of this study was to investigate how international healthcare professionals (general practitioners, physiotherapists, rheumatologists, sports and exercise medicine doctors, and orthopedic surgeons) diagnose and manage OSD. METHODS This mixed-method study used a convergent parallel design. A quantitative questionnaire and semi-structured interview covered prognosis, diagnosis, treatment, and return to play of adolescents with OSD. For quantitative data, those who reported likely/very likely considered "for" and unlikely/very unlikely "against" (for specific diagnostic/management strategy). Qualitative data analysis used a phenomenological approach. RESULTS Two hundred and fifty-one healthcare professionals completed the questionnaire. The most common diagnostic criterion was pain at the tibial tuberosity (97% for). The most common treatments were patient education (99%) and exercise therapy (92%). Other treatment options were more heterogeneous, for example, pain medication (31% for and 34% against). Managing training load (97%), pain intensity (87%), and psychological factors (86%) were considered the most important factors influencing the return to activities. Several themes emerged from the interviews (on N = 20) including imaging, pain management, family, and psychosocial factors influencing prognosis. CONCLUSION Diagnosis criteria of OSD were relatively well agreed upon, whereas the triangulation of qualitative and quantitative data showed heterogeneity of treatments. Psychosocial factors including family were highlighted as critical in the management of OSD.
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Affiliation(s)
- Kristian Damgaard Lyng
- Department of Clinical Medicine, Center for General Practice in Aalborg, Aalborg University, Aalborg East, Denmark
| | - Michael Skovdal Rathleff
- Department of Clinical Medicine, Center for General Practice in Aalborg, Aalborg University, Aalborg East, Denmark.,Department of Health Science and Technology, Faculty of Medicine, Center for Sensory-Motor Interaction (SMI), Aalborg University, Aalborg East, Denmark.,Department of Occupational Therapy and Physiotherapy, Aalborg University Hospital, Aalborg, Denmark
| | - Benjamin John Floyd Dean
- Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Botnar Research Centre, Oxford, UK
| | - Stefan Kluzek
- Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Botnar Research Centre, Oxford, UK.,Department of Rheumatology, Orthopaedic and Dermatology, University of Nottingham, Nottingham, UK
| | - Sinead Holden
- Department of Clinical Medicine, Center for General Practice in Aalborg, Aalborg University, Aalborg East, Denmark.,Department of Health Science and Technology, Faculty of Medicine, Center for Sensory-Motor Interaction (SMI), Aalborg University, Aalborg East, Denmark
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31
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Wilson FD, Stayer P, Pace LW, Hoerr FJ, Magee DL. Disarticulation-Associated Femoral Head Separation in Clinically Normal Broilers: Histologic Documentation of Underlying and Predisposing Cartilage Abnormalities. Avian Dis 2020; 63:495-505. [PMID: 31967434 DOI: 10.1637/19-00090.1] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2019] [Accepted: 06/10/2019] [Indexed: 11/05/2022]
Abstract
Routine and quantitative histologic studies on femoral head separation (FHS) associated with coxofemoral joint disarticulation at necropsy were conducted on 125 femoral heads collected from 21- to 50-day-old clinically normal broilers. The study compared groups demonstrating grossly detached femoral heads (DFHs) with those having attached femoral heads (AFHs). Marked microscopic lesions compatible with osteochondrosis (OCD) consistently occurred along the separation surface in the DFH population. The histologic changes consisted of cartilage degeneration and necrosis sometimes forming small clefts or microfractures. Hemorrhage and less frequent inflammatory cells were often present along the separation surfaces. Small foci of OCD in the femur occurred in the AFH group with lesser frequency and severity. The histologic changes were mainly found within the proximal proliferative zone of the physis near the epiphyseal junction. Histomorphometry disclosed significant quantitative reductions in chondrocyte density with increased pyknosis occurring adjacent to the separation site and to a lesser extent in deeper regions of the growth plate for the DFH compared with AFH. Measurements made along the separation surface of the percentage length occupied by osteochondrotic defects and actual separated cartilage disclosed significant differences between evaluation groups. However, determinations of vascular canal areas present within two or more regions of the growth plate revealed a slight and significant increased area for DFH compared with AFH. Severity scores for the occurrence of microthrombi within the growth plate showed no difference between the groups. The pathogenesis of FHS in broilers is related to defective cartilage production or degeneration resulting in increased fragility. This contrasts with the proposed pathogenesis of OCD in mammals, which involves ischemic necrosis due to underlying vascular defects. The results for the FHS-disarticulation model also differ from those reported for glucorticoid-induced femoral head necrosis in broilers. The FHS-associated lesions occurred without histologic evidence of bacterial chondritis or osteomyelitis.
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Affiliation(s)
- Floyd D Wilson
- Mississippi Veterinary Research Diagnostic Laboratory, CVM, MSU, West Pearl, MS 39208,
| | | | - Lanny W Pace
- Mississippi Veterinary Research Diagnostic Laboratory, CVM, MSU, West Pearl, MS 39208
| | | | - Danny L Magee
- Mississippi Poultry Research and Diagnostic Laboratory, CVM, MSU, Pearl, MS 39157
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Ceri L, Sperati G. Van Neck-Odelberg disease in a 8-year-old children: a rare case report. Acta Biomed 2020; 91:238-240. [PMID: 32555103 PMCID: PMC7944839 DOI: 10.23750/abm.v91i4-s.9608] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Accepted: 05/22/2020] [Indexed: 11/20/2022]
Abstract
INTRODUCTION osteochondrosis of ischiopubic synchondrosis (IPS)" also known as van Neck- Odelberg disease (VNOD), is a syndrome characterized by an atypical ossification pattern of the ischiopubic joint. Because of its non-unequivocal radiological features, which can mimic stress fracture, infection disease, neoplasm or post-traumatic osteolysis, these different diagnoses need to be rule out. CASE PRESENTATION We present an 8-year-old, obese, right limb dominant child that complained only slight groin pain and a limp on left side for more than 20 days. Neither the patient nor his parents recall any trauma. On clinical examination, no swollen lymph nodes were noticeable. After digital pressure, the patients reported a dragging feeling in the left groin, radiating into the medial left thigh and limitation of Range of Motion (ROM) were present. Thus, a plain X-ray and MRI were performed, revealing VNOD on left ischiopubic ramus. The boy was then treated with regular NSAID and pain adapted full weight bearing and a clinical check at 30 and 60 days was performed. At the last visit, the symptoms were completely disappeared and the patient totally recovered left hip function. CONCLUSION Diagnosis of VNOD is challenging and clinical presentation is not pathognomonic. So, other benign or severe conditions need to be rule out. Once this disease is diagnosed, the prognosis is generally favourable.
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Affiliation(s)
| | - Gianluca Sperati
- Unit of Orthopaedics and Traumatology, "Prof Nobili" Private Hospital, Castiglione dei Pepoli, Bologna, Italy.
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Abstract
A 14-year-old boy presented with left anterior knee pain, which was aggravated by exercise and relieved by rest. On clinical examination, there was tenderness at the tibial tuberosity with reproducible pain on resisted active extension of the knee. Radiographs showed heterotopic ossification of the patellar tendon with irregularity and fragmentation of the tibial tubercle. Clinical and radiological findings were consistent with Osgood-Schlatter disease, which is a traction apophysitis of the tibial tubercle commonly occurring in adolescents. The clinical presentation and imaging features are discussed.
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Affiliation(s)
| | | | - Chi Long Ho
- Department of Radiology, Sengkang General Hospital, Singapore
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34
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Chiaradia E, Pepe M, Orvietani PL, Renzone G, Magini A, Sforna M, Emiliani C, Di Meo A, Scaloni A. Proteome Alterations in Equine Osteochondrotic Chondrocytes. Int J Mol Sci 2019; 20:E6179. [PMID: 31817880 DOI: 10.3390/ijms20246179] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2019] [Revised: 11/27/2019] [Accepted: 12/04/2019] [Indexed: 01/07/2023] Open
Abstract
Osteochondrosis is a failure of the endochondral ossification that affects developing joints in humans and several animal species. It is a localized idiopathic joint disorder characterized by focal chondronecrosis and growing cartilage retention, which can lead to the formation of fissures, subchondral bone cysts, or intra-articular fragments. Osteochondrosis is a complex multifactorial disease associated with extracellular matrix alterations and failure in chondrocyte differentiation, mainly due to genetic, biochemical, and nutritional factors, as well as traumas. This study describes the main proteomic alterations occurring in chondrocytes isolated from osteochondrotic cartilage fragments. A comparative analysis performed on equine osteochondrotic and healthy chondrocytes showed 26 protein species as differentially represented. In particular, quantitative changes in the extracellular matrix, cytoskeletal and chaperone proteins, and in cell adhesion and signaling molecules were observed in osteochondrotic cells, compared to healthy controls. Functional group analysis annotated most of these proteins in “growth plate and cartilage development”, while others were included in “glycolysis and gluconeogenesis”, “positive regulation of protein import”, “cell–cell adhesion mediator activity”, and “mitochondrion nucleoid”. These results may help to clarify some chondrocyte functional alterations that may play a significant role in determining the onset and progression of equine osteochondrosis and, being related, of human juvenile osteochondrosis.
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35
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Tóth F, Johnson CP, Mills B, Nissi MJ, Nykänen O, Ellermann J, Ludwig KD, Tompkins M, Carlson CS. Evaluation of the Suitability of Miniature Pigs as an Animal Model of Juvenile Osteochondritis Dissecans. J Orthop Res 2019; 37:2130-2137. [PMID: 31115932 PMCID: PMC6739150 DOI: 10.1002/jor.24353] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/10/2019] [Accepted: 05/14/2019] [Indexed: 02/04/2023]
Abstract
Juvenile osteochondritis dissecans (JOCD) is a developmental disease characterized by formation of intra-articular (osteo)chondral flaps or fragments. Evidence-based treatment guidelines for JOCD are currently lacking. An animal model would facilitate study of JOCD and evaluation of diagnostic and treatment approaches. The purpose of this study was to assess the suitability of miniature pigs as a model of JOCD at the distal femur. First, stifle (knee) joints harvested from three juvenile miniature pigs underwent magnetic resonance imaging (MRI) to establish the vascular architecture of the distal femoral epiphyseal cartilage. Second, vessels supplying the axial or abaxial aspects of the medial femoral condyle were surgically interrupted in four additional juvenile miniature pigs, and the developing epiphyseal cartilage lesions were monitored using three consecutive MRI examinations over nine weeks. The miniature pigs were then euthanized, and their distal femora were harvested for histological evaluation. Vascular architecture of the distal femoral epiphyseal cartilage in the miniature pigs was found to be nearly identical to that of juvenile human subjects, characterized by separate vascular beds supplying the axial and abaxial aspects of the condyles. Surgical interruption of the vascular supply to the abaxial aspect of the medial femoral condyle resulted in ischemic cartilage necrosis (a precursor lesion of JOCD) in 75% (3/4) of the miniature pigs. Cartilage lesions were identified during the first MRI performed 3 weeks post-operatively. No clinically apparent JOCD-like lesions developed. In conclusion, miniature pigs are suitable for modeling JOCD precursor lesions. Further investigation of the model is warranted to assess induction of clinically apparent JOCD lesions. © 2019 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 37:2130-2137, 2019.
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Affiliation(s)
- Ferenc Tóth
- Department of Veterinary Population Medicine, University of Minnesota, St. Paul, MN
| | - Casey P. Johnson
- Center for Magnetic Resonance Research, Department of Radiology, University of Minnesota, Minneapolis, MN
| | - Benigno Mills
- Department of Veterinary Population Medicine, University of Minnesota, St. Paul, MN
| | - Mikko J. Nissi
- Department of Applied Physics, University of Eastern Finland, Kuopio, Finland,Research Unit of Medical Imaging, Physics and Technology, University of Oulu, Oulu, Finland
| | - Olli Nykänen
- Department of Applied Physics, University of Eastern Finland, Kuopio, Finland
| | - Jutta Ellermann
- Center for Magnetic Resonance Research, Department of Radiology, University of Minnesota, Minneapolis, MN
| | - Kai D. Ludwig
- Center for Magnetic Resonance Research, Department of Radiology, University of Minnesota, Minneapolis, MN
| | - Marc Tompkins
- Department of Orthopedic Surgery, University of Minnesota, Minneapolis, MN
| | - Cathy S. Carlson
- Department of Veterinary Clinical Sciences, University of Minnesota, St. Paul, MN
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36
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Hartnett P, Boyle L, Younge B, O'Driscoll K. The Effect of Group Composition and Mineral Supplementation during Rearing on Measures of Cartilage Condition and Bone Mineral Density in Replacement Gilts. Animals (Basel) 2019; 9:E637. [PMID: 31480340 PMCID: PMC6770507 DOI: 10.3390/ani9090637] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2019] [Revised: 08/08/2019] [Accepted: 08/20/2019] [Indexed: 12/02/2022] Open
Abstract
Lameness is a major cause of poor longevity and poor welfare in replacement gilts. The problem is exacerbated by inappropriate housing and diet during the rearing period. Replacement gilts are often reared with male finisher pigs destined for slaughter. If they are not castrated, they perform high levels of potentially injurious sexual and aggressive behaviour. Furthermore, finisher pig diets are not designed to meet the needs of developing gilts and may not supply the necessary minerals to support good limb health. The objective of this study was to evaluate the effect of supplementing the diet of replacement gilts with copper, zinc and manganese and separating them from males during the rearing period on locomotory ability, bone mineral density and cartilage lesion scores. A 2 × 2 factorial design experiment investigated the effect of female-only or mixed-sex rearing, with or without supplementary minerals (Copper, Zinc and Manganese). In total, 384 maternal line gilts were assigned to 32 pens of 12 and were locomotion scored during the rearing period. A sub-sample (n = 102) of gilts were culled at breeding age and the front right limb was removed at slaughter. Areal bone mineral density (aBMD) was measured using dual energy X-ray absorptiometry, after which the limb was dissected to score the condition of the cartilage. The addition of trace minerals to the diet resulted in increased aBMD in the humerus (P < 0.05) compared to the control diet. Rearing gilts in female-only groups reduced the number of cartilage lesions overall (P < 0.05), and on the humeral condyle (P < 0.05). Rearing replacement gilts in female-only groups and with mineral supplementation had benefits for limb health.
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Affiliation(s)
- Phoebe Hartnett
- Teagasc Pig Development Department, Animal & Grassland Research and Innovation Centre, Moorepark, Fermoy, Co. Cork P61 P302, Ireland.
- Department of Biological Sciences, University of Limerick, Limerick V94 T9PX, Ireland.
| | - Laura Boyle
- Teagasc Pig Development Department, Animal & Grassland Research and Innovation Centre, Moorepark, Fermoy, Co. Cork P61 P302, Ireland
| | - Bridget Younge
- Department of Biological Sciences, University of Limerick, Limerick V94 T9PX, Ireland
| | - Keelin O'Driscoll
- Teagasc Pig Development Department, Animal & Grassland Research and Innovation Centre, Moorepark, Fermoy, Co. Cork P61 P302, Ireland
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37
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Cortellazzo Wiel L, Gortani G, Pastore S, Sanabor D, Barbi E. Persisting Isolated Metacarpal Swelling and Pain in Adolescence: Consider Osteochondrosis. J Pediatr 2019; 209:256-256.e1. [PMID: 30853202 DOI: 10.1016/j.jpeds.2019.01.033] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/16/2018] [Revised: 01/10/2019] [Accepted: 01/16/2019] [Indexed: 11/22/2022]
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38
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Abstract
Articular osteochondrosis (OC) arises due to vascular failure and ischemic chondronecrosis. The aim of the study was to describe the histological and computed tomographic (CT) characteristics of changes in the distal femoral physis of pigs, to determine if they represented OC lesions and if the pathogenesis was the same as for articular OC. The material included 19 male Landrace pigs bred for predisposition to OC. One or 2 pigs were euthanized and CT-scanned at 2-week intervals from 82 to 180 days of age. Material from 10 pigs was available for histological validation. The CT scans revealed 31 lesions confirmed in 3 planes and 1 additional macroscopically visible lesion confirmed in 2 CT planes. Twelve of the lesions were histologically validated. All lesions were compatible with OC. Cartilage canal and eosinophilic streak morphological changes corresponded to failure of end arteries coursing from the epiphysis, toward the metaphysis. The location of lesions was compatible with failure at the point of vessel incorporation into bone. Vascular failure was associated with retention of viable hypertrophic chondrocytes and delayed ossification but not cartilage necrosis. Lesion width ranged from 1.1% to 45.6% of the physis. Several lesions were expected to resolve due to small size and evidence of CT-identifiable, reparative ossification. Angular limb deformity was not detected in any pig. The pathogenesis of physeal OC started with vascular failure that was morphologically identical to articular OC. The heritable predisposition may therefore be the same. The association between lesions and limb deformity should be studied further in older pigs in future.
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39
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Anderson J, Phelan MM, Clegg PD, Peffers MJ, Rubio-Martinez LM. Synovial Fluid Metabolites Differentiate between Septic and Nonseptic Joint Pathologies. J Proteome Res 2018; 17:2735-2743. [PMID: 29969035 PMCID: PMC6092013 DOI: 10.1021/acs.jproteome.8b00190] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2018] [Indexed: 12/12/2022]
Abstract
Osteoarthritis (OA), osteochondrosis (OC), and synovial sepsis in horses cause loss of function and pain. Reliable biomarkers are required to achieve accurate and rapid diagnosis, with synovial fluid (SF) holding a unique source of biochemical information. Nuclear magnetic resonance (NMR) spectroscopy allows global metabolite analysis of a small volume of SF, with minimal sample preprocessing using a noninvasive and nondestructive method. Equine SF metabolic profiles from both nonseptic joints (OA and OC) and septic joints were analyzed using 1D 1H NMR spectroscopy. Univariate and multivariate statistical analyses were used to identify differential metabolite abundance between groups. Metabolites were annotated via 1H NMR using 1D NMR identification software Chenomx, with identities confirmed using 1D 1H and 2D 1H 13C NMR. Multivariate analysis identified separation between septic and nonseptic groups. Acetate, alanine, citrate, creatine phosphate, creatinine, glucose, glutamate, glutamine, glycine, phenylalanine, pyruvate, and valine were higher in the nonseptic group, while glycylproline was higher in sepsis. Multivariate separation was primarily driven by glucose; however, partial-least-squares discriminant analysis plots with glucose excluded demonstrated the remaining metabolites were still able to discriminate the groups. This study demonstrates that a panel of synovial metabolites can distinguish between septic and nonseptic equine SF, with glucose the principal discriminator.
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Affiliation(s)
- James
R. Anderson
- Institute
of Ageing and Chronic Disease, University
of Liverpool, Liverpool L7 8TX, U.K.
| | - Marie M. Phelan
- Institute
of Integrative Biology, University of Liverpool, Liverpool L69 7ZB, U.K.
- HLS
Technology Directorate, University of Liverpool, Liverpool L69 3GB, U.K.
| | - Peter D. Clegg
- Institute
of Ageing and Chronic Disease, University
of Liverpool, Liverpool L7 8TX, U.K.
| | - Mandy J. Peffers
- Institute
of Ageing and Chronic Disease, University
of Liverpool, Liverpool L7 8TX, U.K.
| | - Luis M. Rubio-Martinez
- Institute
of Veterinary Science, University of Liverpool, Leahurst Campus, Neson CH64 7TE, U.K.
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40
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Fabà L, Gasa J, Tokach MD, Varella E, Solà-Oriol D. Effects of supplementing organic microminerals and methionine during the rearing phase of replacement gilts on lameness, growth, and body composition. J Anim Sci 2018; 96:3274-3287. [PMID: 29767794 PMCID: PMC6095335 DOI: 10.1093/jas/sky195] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2018] [Accepted: 05/14/2018] [Indexed: 11/14/2022] Open
Abstract
Lameness is a primary reason for culling and mortality within a sow herd. This study evaluated the impact of feeding organic trace minerals and methionine (Met) to growing gilts (134 d) on lameness, performance, body composition and claw health (to first parity), productivity (to second parity), and reproductive performance through 2 parities. Young gilts (28.8 ± 8.8 kg of body weight [BW], n = 360) were BW blocked (10 gilts/pen) and randomly allotted to 1 of 4 dietary treatments: control (CON, basal diet); CON plus organic minerals (MIN, at 10, 20, and 50 mg/kg of Cu, Mn, and Zn, respectively; Aplomotec Plus, Tecnología & Vitaminas, S.L, Alforja, Spain); additional Met (MET, at 102% Met: Lys); and MET plus MIN (MM). Feed was provided ad libitum. Lameness, BW, and body composition were measured 7 times during rearing, at gilt service, day 109 of gestation, and first weaning. Gilts fed the MM diet had lower average daily feed intake (5.1%) and final BW (2.1%) than CON gilts (P < 0.05), whereas MIN and MET were intermediate and not different from each other. Similarly, final backfat (BF) was greatest in CON (P < 0.05), whereas CON and MIN increased final loin depth compared with MM (P < 0.05) with MET not being different. During rearing, 7.7% of all gilts presented lameness, which appeared between 106.8 and 129.7 kg BW confidence interval. Gilts that had been or were lame had reduced BW and average daily gain compared with never lame gilts (P < 0.05). Lameness during rearing was highest (P < 0.01) in gilts fed CON diet (14.8%), with no differences amongst MIN (2.0%), MET (5.3%), or MM (6.5%). In the sow herd, 21% of sows showed lameness and 24% of those were associated with claw lesions. At weaning, gilts fed CON diet had highest (P < 0.01) prevalence of lameness (20.8%) with no differences amongst MIN (6.5%), MET (11.1%), or MM (7.6%). Over the first 2 parities, 27.3% of gilts were culled. On farm, lameness was associated with 0.7 more stillborn piglets (P < 0.10), 1 mm more BF loss in first lactation (P < 0.05), and increased weaning-to-estrus by 3 d (P < 0.05). In conclusion, lameness during rearing was decreased by supplementing organic trace minerals, methionine, and their combination, which also reduced lameness during lactation.
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Affiliation(s)
- Lluís Fabà
- Animal Nutrition and Welfare Service, Department of Animal and Food Sciences, Universitat Autònoma de Barcelona, Bellaterra, Spain
| | - Josep Gasa
- Animal Nutrition and Welfare Service, Department of Animal and Food Sciences, Universitat Autònoma de Barcelona, Bellaterra, Spain
| | - Mike D Tokach
- Department of Animal Sciences and Industry, Kansas State University, Manhattan, KS
| | | | - David Solà-Oriol
- Animal Nutrition and Welfare Service, Department of Animal and Food Sciences, Universitat Autònoma de Barcelona, Bellaterra, Spain
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41
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Hellings IR, Dolvik NI, Ekman S, Olstad K. Cartilage canals in the distal intermediate ridge of the tibia of fetuses and foals are surrounded by different types of collagen. J Anat 2017. [PMID: 28620929 PMCID: PMC5603784 DOI: 10.1111/joa.12650] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022] Open
Abstract
Some epiphyseal growth cartilage canals are surrounded by a ring of hypereosinophilic matrix consisting of collagen type I. Absence of the collagen type I ring may predispose canal vessels to failure and osteochondrosis, which can lead to fragments in joints (osteochondrosis dissecans). It is not known whether the ring develops in response to programming or biomechanical force. The distribution that may reveal the function of the ring has only been described in the distal femur of a limited number of foals. It is also not known which cells are responsible for producing the collagen ring. The aims of the current study were to examine fetuses and foals to infer whether the ring forms in response to biomechanical force or programming, to describe distribution and to investigate which cell type produces the ring. The material consisted of 46 fetuses and foals from 293 days of gestation to 142 days old, of both sexes and different breeds, divided into three groups, designated the naïve group up to and including the day of birth, the adapting group from 2 days up to and including 14 days old, and the loaded group from 15 days and older. The distal tibia was sawn into parasagittal slabs and the cranial half of the central slab from the intermediate ridge was examined by light microscopy and immunohistochemical staining for collagen type I. Presence, completeness and location of the collagen ring was compared, as was the quantity of perivascular mesenchymal cells. An eosinophilic ring present on HE-stained sections was seen in every single fetus and foal examined, which corresponded to collagen type I in immunostained sections. A higher proportion of cartilage canals were surrounded by an eosinophilic ring in the naïve and adapting groups at 73 and 76%, respectively, compared with the loaded group at 51%. When considering only patent canals, the proportion of canals with an eosinophilic ring was higher in the adapting and loaded than the naïve group of foals. The ring was present around 90 and 81% of patent canals in the deep and middle layers, respectively, compared with 58% in the superficial layer, and the ring was more often complete around deep compared with superficial canals. The ring was absent or partial around chondrifying canals. When an eosinophilic ring was present around patent canals, it was more common for the canal to contain one or more layers of perivascular mesenchymal cells rather than few to no layers. It was also more common for the collagen ring to be more complete around canals that contained many as opposed to few mesenchymal cells. In conclusion, the proportion of cartilage canals that had an eosinophilic ring was similar in all three groups of fetuses and foals, indicating that the presence of the collagen ring was mostly programmed, although some adaptation was evident. The ring was more often present around deep, compared with superficial canals, indicating a role in preparation for ossification. The collagen ring appeared to be produced by perivascular mesenchymal cells.
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Affiliation(s)
- Ingunn Risnes Hellings
- Faculty of Veterinary Medicine and Biosciences, Department of Companion Animal Clinical Sciences, Equine Section, Norwegian University of Life Sciences, Oslo, Norway
| | - Nils Ivar Dolvik
- Faculty of Veterinary Medicine and Biosciences, Department of Companion Animal Clinical Sciences, Equine Section, Norwegian University of Life Sciences, Oslo, Norway
| | - Stina Ekman
- Department of Biomedical Sciences and Veterinary Public Health, Section of Pathology, Swedish University of Agricultural Sciences, Uppsala, Sweden
| | - Kristin Olstad
- Faculty of Veterinary Medicine and Biosciences, Department of Companion Animal Clinical Sciences, Equine Section, Norwegian University of Life Sciences, Oslo, Norway
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42
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Gupta N, Sharma K, Bansal I, Kumar Y, Hayashi D. Kickboxing power hour: case report of fifth metatarsal apophysitis (Iselin disease) and its magnetic resonance imaging features. Transl Pediatr 2017; 6:98-101. [PMID: 28503415 PMCID: PMC5413476 DOI: 10.21037/tp.2017.03.07] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Youth now-a-days are getting more involved in mixed martial arts, with increasing number of cases of lateral foot pain due to various causes. The differential diagnoses of lateral foot pain in the pediatric population include avulsion fracture of the fifth metatarsal base, Jones fracture, diaphyseal stress fracture as well as os vesalianum pedis. We present a case of a 15-year-old athletic boy who presented with left lateral foot pain for a few weeks. The patient was actively involved in Kickboxing as well as active running. Left foot radiographs were normal, including normal radiographic appearance of the fifth metatarsal apophysis. Due to ongoing pain, magnetic resonance imaging of the left foot was performed, which revealed apophysitis of the fifth metatarsal, known as Iselin disease. Iselin disease has been postulated to be caused by traction on the fifth metatarsal apophysis by performing sidekicks or round kicks during the kickboxing practice. Iselin disease should be suspected in young children of 10-15 years age involved in physical activity presenting with lateral foot pain. Magnetic resonance imaging is extremely useful to correctly diagnose this condition and avoid misdiagnosis of a fracture.
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Affiliation(s)
- Nishant Gupta
- Department of Radiology, Saint Vincent's Medical Center, Bridgeport, CT, USA
| | - Komal Sharma
- Department of Radiology, Saint Vincent's Medical Center, Bridgeport, CT, USA
| | - Itisha Bansal
- Department of Anesthesiology, New York-Presbyterian Brooklyn Methodist Hospital, Brooklyn, New York, USA
| | - Yogesh Kumar
- Department of Radiology, Saint Vincent's Medical Center, Bridgeport, CT, USA.,Department of Radiology, Yale New Haven Health at Bridgeport Hospital, Bridgeport, CT, USA
| | - Daichi Hayashi
- Department of Radiology, Yale New Haven Health at Bridgeport Hospital, Bridgeport, CT, USA.,Department of Radiology, Boston University School of Medicine, Boston, MA, USA
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43
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Tóth F, David FH, LaFond E, Wang L, Ellermann JM, Carlson CS. In vivo visualization using MRI T 2 mapping of induced osteochondrosis and osteochondritis dissecans lesions in goats undergoing controlled exercise. J Orthop Res 2017; 35:868-875. [PMID: 27283998 PMCID: PMC5458739 DOI: 10.1002/jor.23332] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/12/2016] [Accepted: 06/05/2016] [Indexed: 02/04/2023]
Abstract
In vivo visualization of subclinical osteochondrosis (OC) lesions, characterized by necrosis of epiphyseal growth cartilage, is necessary to clarify the pathogenesis of this disease. Hence, our objectives were to demonstrate induced necrosis of the epiphyseal cartilage in vivo using MRI and to monitor progression or resolution of resulting lesions. We also aimed to improve the goat model of OC by introducing controlled exercise. Vascular supply to the epiphyseal cartilage was surgically interrupted in four 5-day-old goats to induce ischemic cartilage necrosis in a medial femoral condyle. Starting 3 weeks postoperatively, goats underwent daily controlled exercise until euthanasia at 6, 10, 11 (n = 2) weeks postoperatively. T2 maps of operated and control femora were obtained in vivo at 3 (n = 4), 6 (n = 4), 9 (n = 3), and 11 (n = 2) weeks postoperatively using a 3 T MR scanner. In vivo MRI findings were validated against MRI results obtained ex vivo at 9.4 T in three goats and compared to histological results in all goats. Surgical interruption of the vascular supply caused ischemic cartilage necrosis in three out of four goats. T2 maps obtained in vivo at 3 T identified regions of increased relaxation time consistent with discrete areas of cartilage necrosis 3-11 weeks postoperatively and demonstrated delayed progression of the ossification front at 9 (n = 1) and 11 (n = 2) weeks postoperatively. In vivo MRI findings were confirmed by ex vivo MRI at 9.4 T and by histology. Identification of cartilage necrosis in clinical patients in the early stages of OC using T2 maps may provide valuable insight into the pathogenesis of this condition. © 2016 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 35:868-875, 2017.
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Affiliation(s)
- Ferenc Tóth
- Veterinary Population Medicine Department, University of Minnesota, St. Paul, MN, USA
| | - Frédéric H. David
- Veterinary Clinical Sciences Department, University of Minnesota, St. Paul, MN, USA
| | - Elizabeth LaFond
- Veterinary Clinical Sciences Department, University of Minnesota, St. Paul, MN, USA
| | - Luning Wang
- Center for Magnetic Resonance Research, Department of Radiology, University of Minnesota, Minneapolis, MN, USA
| | - Jutta M. Ellermann
- Center for Magnetic Resonance Research, Department of Radiology, University of Minnesota, Minneapolis, MN, USA
| | - Cathy S. Carlson
- Veterinary Population Medicine Department, University of Minnesota, St. Paul, MN, USA
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44
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Etterlin PE, Ekman S, Strand R, Olstad K, Ley CJ. Osteochondrosis, Synovial Fossae, and Articular Indentations in the Talus and Distal Tibia of Growing Domestic Pigs and Wild Boars. Vet Pathol 2017; 54:445-456. [PMID: 28129094 DOI: 10.1177/0300985816688743] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Articular osteochondrosis (OC) often develops in typical locations within joints, and the characterization of OC distribution in the pig tarsus is incomplete. Prevalence of OC is high in domestic pigs but is presumed to be low in wild boars. Postmortem and computed tomography (CT) examinations of the talus and distal tibia from 40 domestic pigs and 39 wild boars were evaluated for the locations and frequencies of OC, synovial fossae, and other articular indentations, and frequency distribution maps were made. All domestic pigs but only 5 wild boars (13%) had OC on the talus. In domestic pigs, OC consistently affected the axial aspect of the medial trochlea tali in 11 (28%) joints and the distomedial talus in 26 (65%) joints. In wild boars, all OC lesions consistently affected the distomedial talus. On the articular surface of the distal tibia, all domestic pigs and 34 wild boars (87%) had synovial fossae and 7 domestic pigs (18%) had superficial cartilage fibrillation opposite an OC lesion (kissing lesion). Other articular indentations occurred in the intertrochlear groove of the talus in all domestic pigs and 13 wild boars (33%) and were less common on the trochlea tali. The prevalence of tarsal OC in wild boars is low. In domestic pigs and wild boars, OC is typically localized to the distomedial talus and in domestic pigs also to the medial trochlea tali. Further investigations into the reasons for the low OC prevalence in wild boars may help in developing strategies to reduce OC incidence in domestic pigs.
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Affiliation(s)
- P E Etterlin
- 1 Section of Pathology, Department of Biomedical Sciences and Veterinary Public Health, Swedish University of Agricultural Sciences, Uppsala, Sweden
| | - S Ekman
- 1 Section of Pathology, Department of Biomedical Sciences and Veterinary Public Health, Swedish University of Agricultural Sciences, Uppsala, Sweden
| | - R Strand
- 3 Uppsala University, Uppsala, Sweden
| | - K Olstad
- 4 Norwegian University of Life Sciences, Oslo, Norway
| | - C J Ley
- 2 Swedish University of Agricultural Sciences, Uppsala, Sweden
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45
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Abstract
Introduction: Pain in groin without any history of trauma or positive clinical findings of infection or stress fracture in ischiopubic ramus poses challenges in diagnosis of the condition in prepubertal age. “Osteochondrosis of ischiopubic synchondrosis (IPS)” also called as “Van Neck-Odelberg” disease. Left leg dominant patient presented with pain in groin and limping with left leg dominance. Differential diagnosis - such as stress fractures, osteomyelitis, tuberculosis, post-traumatic osteolysis, or any neoplasia - is need be ruled out to arrive at diagnosis. The literature is reviewed with modern technologies for diagnosis of the same. Case Report: A 12-year-old, left limb dominant boy with tenderness in the right groin as the only clinical finding and sclerotic shadow over ischiopubic region on X-ray posed a challenge for diagnosis. With further studies by computed tomography and magnetic resonance imaging diagnosis was done. Hence, we are presenting a case labeled as Van Neck-Odelberg disease. Conclusion: Diagnosis of Van Neck-Odelberg disease is a challenging diagnosis. Other conditions such as post-traumatic osteolysis, osteomyelitis, and stress fractures in prepubertal age need to be ruled out. Clinical symptoms must be present to label it as osteochondritis of IPS on radiographs as unilateral delayed fusion of the same is a physiological process in asymptomatic cases.
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Affiliation(s)
- Amit Prakash Chaudhari
- Department of Orthopaedics, ACPM Medical College and Hospital, Dhule, Maharashtra, India
| | - Gautam Shah
- Department of Orthopaedics, ACPM Medical College and Hospital, Dhule, Maharashtra, India
| | - Sameer Sanjeev Patil
- Department of Orthopaedics, ACPM Medical College and Hospital, Dhule, Maharashtra, India
| | | | - Sagar B Kelkar
- Department of Orthopaedics, Kelkar Hospital, Nashik, Maharashtar, India
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Belov VG, Parfenov YA, Vasilevskaya MA, Parfenov SA, Kovalenko AL, Zaplutanov VA. [Evaluation of bio-inverse communication and Cytoflavin effects on the dynamics of the clinical and psychophysiological condition of elderly patients with osteochondrosis]. Adv Gerontol 2017; 30:601-608. [PMID: 28968038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
We conducted a study of 150 patients on the basis of polyclinic № 91 in St. Petersburg. The effect of Cytoflavin and bio-inverse communication therapy on the dynamics of the condition of elderly patients with osteochondrosis was evaluated. A number of positive effects from such an addition to existing therapy, potentiating the nominal effect, were revealed.
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Affiliation(s)
- V G Belov
- Municipal polyclinic № 91, 8, Otvaznykh str., St. Petersburg, 198329, Russian Federation
| | - Yu A Parfenov
- Municipal polyclinic № 91, 8, Otvaznykh str., St. Petersburg, 198329, Russian Federation
| | - M A Vasilevskaya
- Municipal polyclinic № 91, 8, Otvaznykh str., St. Petersburg, 198329, Russian Federation
| | - S A Parfenov
- North-Western Institute of management, branch of RANEPA, 38, Budapeshtskaya str., St. Petersburg, 192071, Russian Federation;
| | - A L Kovalenko
- Toxicology Institute, 1, Bekhtereva str., St. Petersburg, 192019, Russian Federation
| | - V A Zaplutanov
- I. M. Sechenov Institute of Evolutionary Physiology and Biochemistry, RAS, 44, Toreza pr., St. Petersburg, 194223, Russian Federation
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Belov VG, Parfenov YA, Vasilevskaya MA, Parfenov SA, Sapozhnikov KV, Kovalenko AL, Zaplutanov VA. [Peculiarities of clinical and psychophysiological status of elderly patients with osteochondrosis.]. Adv Gerontol 2017; 30:757-764. [PMID: 29322745] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
We conducted a study of 220 patients in polyclinic № 91 in St. Petersburg. It was revealed that elderly patients with osteochondrosis are characterized by a high prevalence and severity of osteochondrosis against the background of metabolic disorders in the structures of the spine. At the same time, the actual condition of the spine does not always determine the severity of the pain syndrome. The effect of osteochondrosis on the development of comorbid pathology has been clarified. The ways of correction of the clinical and psychophysiological status of elderly patients with osteochondrosis such as appointment of Cytoflavin, behavioral therapy and biofeed back therapy are suggested.
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Affiliation(s)
- V G Belov
- Municipal polyclinic № 91, 8, Otvaznykh str., St. Petersburg, 198329, Russian Federation
| | - Yu A Parfenov
- Municipal polyclinic № 91, 8, Otvaznykh str., St. Petersburg, 198329, Russian Federation
| | - M A Vasilevskaya
- Municipal polyclinic № 91, 8, Otvaznykh str., St. Petersburg, 198329, Russian Federation
| | - S A Parfenov
- North-Western Institute of management, branch of RANEPA, 38, Budapeshtskaya str., St. Petersburg, 192071, Russian Federation;
| | - K V Sapozhnikov
- Municipal polyclinic № 91, 8, Otvaznykh str., St. Petersburg, 198329, Russian Federation
| | - A L Kovalenko
- Toxicology Institute, 1, Bekhtereva str., St. Petersburg, 192019, Russian Federation
| | - V A Zaplutanov
- I.M.Sechenov Institute of Evolutionary Physiology and Biochemistry, RAS, 44, Toreza pr., St. Petersburg, 194223, Russian Federation
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48
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Abstract
Lameness related to growth plate lesions is an important problem in the beef industry. This article describes the macroscopic and microscopic lesions in the distal metatarsal physis of bulls from an association of farmers in northeastern Italy. The metatarsal bones of 62 bulls (12 with severe lameness and 50 without lameness), average age 16.44 ± 1.72 months, were examined at the abattoir. The animals came from the same geographic area and shared intensive husbandry practices and a diet based on maize starch. A total of 124 metatarsal bones were sectioned, and the distal metaphyseal growth plate was grossly examined. Twenty-three cases, including 12 lame and 9 nonlame animals with visible lesions on macroscopic examination, and 2 controls (a total of 46 physes) were examined microscopically. Eight of 12 bulls with severe lameness had a chronic purulent physitis in at least 1 limb. Segmental thickening of the hypertrophic zone, consistent with osteochondrosis (OC), was present contralaterally ( n = 3 cases) and bilaterally ( n = 3 cases) in 6 of these animals. In the group of nonlame bulls, 19 of 50 (38%) had similar segmental thickening of the physis consistent with OC. In the remaining bulls, minor findings included partial closure of the physis and a variable degree of metaphyseal hyperemia. A high incidence of OC was found in both lame and nonlame fattening bulls. It is likely that lame animals were clinically more severe due to secondary hematogenous implantation of bacteria, resulting in a purulent physitis and severe lameness that required emergency slaughter in some cases.
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Affiliation(s)
- M Levi
- 1 Department of Veterinary Medical Sciences, University of Bologna, Italy
| | - K E Dittmer
- 2 Institute of Veterinary, Animal and Biomedical Sciences, Massey University, New Zealand
| | - A Gentile
- 1 Department of Veterinary Medical Sciences, University of Bologna, Italy
| | - A Beltrame
- 1 Department of Veterinary Medical Sciences, University of Bologna, Italy
| | - M Bolcato
- 1 Department of Veterinary Medical Sciences, University of Bologna, Italy
| | - M Morgante
- 3 Department of Animal Medicine, Production and Health, University of Padua, Italy
| | - E Fiore
- 3 Department of Animal Medicine, Production and Health, University of Padua, Italy
| | - C Benazzi
- 1 Department of Veterinary Medical Sciences, University of Bologna, Italy
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Gorissen BMC, Wolschrijn CF, Serra Bragança FM, Geerts AAJ, Leenders WOJL, Back W, van Weeren PR. The development of locomotor kinetics in the foal and the effect of osteochondrosis. Equine Vet J 2016; 49:467-474. [PMID: 27859501 PMCID: PMC5484372 DOI: 10.1111/evj.12649] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2016] [Accepted: 11/04/2016] [Indexed: 11/26/2022]
Abstract
Reason for performing study Foals stand and walk immediately after birth, but insight into the subsequent longitudinal development of their gait kinetics in the early juvenile phase and the possible influence of osteochondrosis thereon is lacking. Objectives To quantify gait kinetics in foals during the first half year of life, taking into account their osteochondrosis status. Study design Prospective, cohort study performed at a single stud farm. Methods Pressure plate measurements at walk and trot from 11 Dutch Warmblood foals during the first 24 weeks of life were used to determine body mass normalised peak vertical force, normalised vertical impulse and stance duration. Coefficients of variation of peak vertical force and stance duration were used as measures for gait maturity. Radiographs of tarsocrural and femoropatellar joints were taken at age 4–6 weeks and after 6 months to check for osteochondrosis. A linear mixed model was used to determine the effects of age, limb, presence of osteochondrosis and speed on gait parameters. Results Mean walking and trotting velocity increased over time as did stance duration and normalised vertical impulse, normalised peak vertical force values however remained relatively constant. During the first weeks of their life only the coefficient of variation of stance duration decreased significantly, while the coefficient of variation of peak vertical force did not. None of the foals was visibly lame, but the presence of osteochondrosis resulted in a temporarily but significantly reduced normalised peak vertical force. Main limitations This study is a relatively small sample size of one breed from a single stud farm. A stand‐alone pressure plate was used and body mass was estimated rather than measured. Conclusions Despite being precocious, foals need time to mature their gait. During growth, velocity at walk and trot increases, but normalised peak vertical force remains relatively constant. Although not visibly lame, a temporary reduction in normalised peak vertical force was detected in osteochondrosis positive foals using a pressure plate.
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Affiliation(s)
- B. M. C. Gorissen
- Department of Pathobiology, Anatomy and Physiology DivisionFaculty of Veterinary MedicineUtrecht UniversityUtrechtthe Netherlands
| | - C. F. Wolschrijn
- Department of Pathobiology, Anatomy and Physiology DivisionFaculty of Veterinary MedicineUtrecht UniversityUtrechtthe Netherlands
| | - F. M. Serra Bragança
- Department of Equine SciencesFaculty of Veterinary MedicineUtrecht UniversityUtrechtthe Netherlands
| | | | | | - W. Back
- Department of Equine SciencesFaculty of Veterinary MedicineUtrecht UniversityUtrechtthe Netherlands
- Department of Surgery and Anaesthesiology of Domestic AnimalsFaculty of Veterinary MedicineGhent UniversityMerelbekeBelgium
| | - P. R. van Weeren
- Department of Equine SciencesFaculty of Veterinary MedicineUtrecht UniversityUtrechtthe Netherlands
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Ohlerth S, Senn S, Geissbühler U, Kircher P, Flückiger M. Prevalence of humeral head osteochondrosis in the Greater Swiss Mountain dog and the Border Collie in Switzerland. SCHWEIZ ARCH TIERH 2016; 158:749-754. [PMID: 27821378 DOI: 10.17236/sat00091] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
INTRODUCTION Osteochondrosis (OC) is common in large-breed dogs. According to the breeding guidelines of the Swiss kennel clubs, the shoulder joints are included in the radiographic screening for joint diseases in the Greater Swiss Mountain dog (GSMD) and the Border Collie (BC) since 1993 and 2003, respectively. The aim of this study was to estimate the overall prevalence of humeral head OC in these 2 breeds in Switzerland based on the data of the Swiss National Dysplasia Committees. All radiographs were re-evaluated to assess single radiographic changes. From 1993 and 2003, accordingly, until 2013, the overall prevalence was 14% for the GSMD and 8% for the BC, respectively. Affected joints showed a focally reduced opacity or a flattened/indented contour of the caudal section of the humeral head. Articular flaps were only seen occasionally. Degenerative joint disease was significantly more common in OC affected joints (GSMD: 32%; BC: 20%) than in joints without OC. The present study is the first report on the prevalence of humeral head OC in a large cohort of GSMD and the BC over a long study period. In comparison to other breeds, the herein reported prevalences are in the mid to upper range. Results of the present study should alert veterinarians to the disease in these breeds and may serve as a starting point for further epidemiological and genetic studies.
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Affiliation(s)
- S Ohlerth
- Klinik für Bildgebende Diagnostik, Departement für Kleintiere, Vetsuisse-Fakultät, Universität Zürich
| | - S Senn
- Klinik für Bildgebende Diagnostik, Departement für Kleintiere, Vetsuisse-Fakultät, Universität Zürich
| | - U Geissbühler
- Klinische Radiologie, Departement für klinische Veterinärmedizin, Vetsuisse-Fakultät, Universität Bern
| | - P Kircher
- Klinik für Bildgebende Diagnostik, Departement für Kleintiere, Vetsuisse-Fakultät, Universität Zürich
| | - M Flückiger
- Klinik für Bildgebende Diagnostik, Departement für Kleintiere, Vetsuisse-Fakultät, Universität Zürich
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