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https://www.readbyqxmd.com/read/28808624/possibilities-for-arthroscopic-treatment-of-the-ageing-sternoclavicular-joint
#1
Martin Rathcke, Jørgen Tranum-Jensen, Michael Rindom Krogsgaard
AIM: To investigate if there are typical degenerative changes in the ageing sternoclavicular joint (SCJ), potentially accessible for arthroscopic intervention. METHODS: Both SCJs were obtained from 39 human cadavers (mean age: 79 years, range: 59-96, 13 F/26 M). Each frozen specimen was divided frontally with a band saw, so that both SCJs were opened in the same section through the center of the discs. After thawing of the specimens, the condition of the discs was evaluated by probing and visual inspection...
July 18, 2017: World Journal of Orthopedics
https://www.readbyqxmd.com/read/28806096/results-of-anterior-cruciate-ligament-reconstruction-with-patellar-tendon-autografts-objective-factors-associated-with-the-development-of-osteoarthritis-at-20-to-33-years-after-surgery
#2
K Donald Shelbourne, Rodney W Benner, Tinker Gray
BACKGROUND: Few studies exist that report objective radiographic and physical examination results at >20 years after anterior cruciate ligament (ACL) reconstruction. HYPOTHESIS: The risk of osteoarthritis (OA) at >20 years after surgery would be statistically significantly higher if an increased severity of factors was present. STUDY DESIGN: Cohort study; Level of evidence, 2. METHODS: Between 1982 and 1994, 1428 knees met the inclusion criteria of being primary ACL surgery, having no existing OA or other ligamentous laxity, and having no known graft tear...
August 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28799804/morphologic-features-of-spontaneous-annular-tears-and-disc-degeneration-in-the-aging-sand-rat-psammomys-obesus-obesus
#3
H E Gruber, E N Hanley
The sand rat, a member of the gerbil family, is a valuable small animal model in which intervertebral disc degeneration occurs spontaneously as the animal ages. Radiographic features of cervical and lumbar degeneration resemble those in human spines. We conducted a retrospective analysis of spines of 140 animals 3-41 months old focusing specifically on the presence of annular tears that are not visible by radiography and have not been described previously in the sand rat disc. During degeneration of the nucleus pulposus, notochordal cell death occurs and granular material, which stains with Alcian blue for proteoglycans, accumulates...
August 11, 2017: Biotechnic & Histochemistry: Official Publication of the Biological Stain Commission
https://www.readbyqxmd.com/read/28779799/editorial-commentary-danger-zone-the-posteromedial-elbow-don-t-go-looking-for-trouble-and-it-won-t-find-you-arthroscopic-management-of-the-arthritis-elbow
#4
EDITORIAL
Felix H Savoie
Arthroscopy for elbow arthritis has been used by this author for 30 years. There are many benefits to arthroscopic management of the arthritic elbow. A complete understanding of the pathology is essential to correct surgical management. Excision of spurs and osteophytes, deepening of the coronoid or olecranon fossa, removal of loose bodies, and synovectomy are essential. Arthritis is usually not a capsular problem, so the releases needed for post-traumatic ankylosis takedown are not usually necessary in the arthritic elbow...
August 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28777662/clinical-and-radiological-regeneration-of-large-and-deep-osteochondral-defects-of-the-knee-by-bone-augmentation-combined-with-matrix-guided-autologous-chondrocyte-transplantation
#5
Johannes Zellner, Stephan Grechenig, Christian G Pfeifer, Werner Krutsch, Matthias Koch, Goetz Welsch, Madeleine Scherl, Johannes Seitz, Florian Zeman, Michael Nerlich, Peter Angele
BACKGROUND: Large osteochondral defects of the knee are a challenge for regenerative treatment. While matrix-guided autologous chondrocyte transplantation (MACT) represents a successful treatment for chondral defects, the treatment potential in combination with bone grafting by cancellous bone or bone block augmentation for large and deep osteochondral defects has not been evaluated. PURPOSE: To evaluate 1- to 3-year clinical outcomes and radiological results on magnetic resonance imaging (MRI) after the treatment of large osteochondral defects of the knee with bone augmentation and MACT...
August 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28774450/imaging-in-osteoarthritis
#6
REVIEW
Daichi Hayashi, Frank W Roemer, Mohamed Jarraya, Ali Guermazi
With technologic advances and the availability of sophisticated computer software and analytical strategies, imaging plays an increasingly important role in understanding the disease process of osteoarthritis (OA). Radiography has limitations in that it can visualize only limited features of OA, such as osteophytes and joint space narrowing, but remains the most commonly used modality for establishing an imaging-based diagnosis of OA. This article describes the roles and limitations of different imaging modalities and discusses the optimum imaging protocol, imaging diagnostic criteria of OA, differential diagnoses, and what the referring physician needs to know...
September 2017: Radiologic Clinics of North America
https://www.readbyqxmd.com/read/28765801/regression-of-disc-osteophyte-complexes-following-laminoplasty-versus-laminectomy-with-fusion-for-cervical-spondylotic-myelopathy
#7
Remi M Ajiboye, Stephen D Zoller, Adedayo A Ashana, Akshay Sharma, William Sheppard, Langston T Holly
BACKGROUND: Laminectomy with fusion (LF) and laminoplasty are two posterior-based surgical approaches for the surgical treatment of cervical spondylotic myelopathy (CSM). The decompressive effect of these approaches is thought to be primarily related to the dorsal drift of the spinal cord away from ventral compressive structures. A lesser known mechanism of spinal cord decompression following cervical LF is regression of the ventral disc osteophyte complexes which is postulated to result from the alteration of motion across the fused motion segment...
2017: International Journal of Spine Surgery
https://www.readbyqxmd.com/read/28750790/evaluation-of-the-effect-of-mesotherapy-in-the-management-of-osteoarthritis-related-pain-in-a-police-working-dog-using-the-canine-brief-pain-inventory
#8
REVIEW
João Carlos Alves, Ana Margarida Santos
CASE DESCRIPTON: A 9-year-old, 33.4kg (73.63Lb) male entire drug detection Labrador Retriever Dog was presented with an history of constant lameness from the right thoracic limb, aggravated with exercise and work. CLINICAL FIDINGS: Clinical examination revealed mild signs of pain on the manipulation of the elbow joint, with reduced range of motion on the end feel of joint flexion and extension and crepitation. Radiographic examination of the right elbow joint revealed severe, chronic osteoarthritis, with osteophyte formation on the humeral epicondyles and articular margin of the distomedial humerus, with a narrowed joint space, and osteophytes on the proximal radius, proximomedial ulna, and anconeal process...
March 2017: Topics in Companion Animal Medicine
https://www.readbyqxmd.com/read/28743830/role-of-melatonin-combined-with-exercise-as-a-switch-like-regulator-for-circadian-behavior-in-advanced-osteoarthritic-knee
#9
Yunkyung Hong, Hyunsoo Kim, Seunghoon Lee, Yunho Jin, Jeonghyun Choi, Sang-Rae Lee, Kyu-Tae Chang, Yonggeun Hong
Here, we show the role of melatonin combined with or without exercise as a determinant of multicellular behavior in osteoarthritis. We address the relationship between the molecular components governing local circadian clock and changes in the osteoarthritic musculoskeletal axis. Melatonin was injected subcutaneously in animals with advanced knee osteoarthritis (OA) for 4 weeks. Concurrently, moderate treadmill exercise was applied for 30 min/day. Morphometric, histological, and gene/protein-level analyses were performed in the cartilage, synovium, bone, and gastrocnemius muscle...
July 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28739520/clinical-observation-of-posterior-percutaneous-full-endoscopic-cervical-foraminotomy-as-a-treatment-for-osseous-foraminal-stenosis
#10
Zhi-Yuan Ye, Wei-Jun Kong, Zhi-Jun Xin, Qiang Fu, Jun Ao, Guang-Ru Cao, Yu-Qiang Cai, Wen-Bo Liao
OBJECTIVE: To observe the clinical effects of posterior percutaneous full-endoscopic cervical foraminotomy in patients with osseous foraminal stenosis. METHODS: Nine patients with osseous foraminal stenosis underwent surgery using the posterior percutaneous full-endoscopic cervical foraminotomy technique and received follow-up care for 1 year. The visual analog scale score, neck disability index, and modified Macnab criteria were recorded at the last follow-up. All patients underwent three-dimensional computed tomography of the cervical spine, which was reviewed within 1 week postoperatively...
July 21, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28739113/anterior-cervical-osteophyte-presenting-as-a-pharyngeal-mass
#11
Raquel Marçôa, Ricardo Lima, Carla Ribeiro
No abstract text is available yet for this article.
July 21, 2017: Archivos de Bronconeumología
https://www.readbyqxmd.com/read/28738428/association-between-patient-history-and-physical-examination-and-osteoarthritis-after-ankle-sprain
#12
John M van Ochten, Anja D de Vries, Nienke van Putte, Edwin H G Oei, Patrick J E Bindels, Sita M A Bierma-Zeinstra, Marienke van Middelkoop
Structural abnormalities on MRI are frequent after an ankle sprain. To determine the association between patient history, physical examination and early osteoarthritis (OA) in patients after a previous ankle sprain, 98 patients with persistent complaints were selected from a cross-sectional study. Patient history taking and physical examination were applied and MRI was taken. Univariate and multivariable analyses were used to test possible associations. Signs of OA (cartilage loss, osteophytes and bone marrow edema) were seen in the talocrural joint (TCJ) in 40% and the talonavicular joint (TNJ) in 49%...
September 2017: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/28735021/wisp1-ccn4-aggravates-cartilage-degeneration-in-experimental-osteoarthritis
#13
M H van den Bosch, A B Blom, V Kram, A Maeda, S Sikka, Y Gabet, T M Kilts, W B van den Berg, P L van Lent, P M van der Kraan, M F Young
OBJECTIVE: Increased Wisp1 expression was previously reported in experimental and human osteoarthritis (OA). Moreover, adenoviral overexpression of Wisp1 in naïve mouse knee joints resulted in early OA-like cartilage lesions. Here, we determined how the matricellular protein WISP1 is involved in the pathology that occurs in the complex osteoarthritic environment with aging and experimental OA in wild type (WT) and Wisp1(-/-) mice. METHODS: WT and Wisp1(-/-) mice were aged or experimental OA was induced with intraarticular collagenase injection, destabilization of the medial meniscus (DMM) or anterior cruciate ligament transection (ACLT)...
July 19, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28733774/a-study-of-anatomy-of-distal-femur-pertaining-to-total-knee-replacement-an-analysis-conclusions-and-recommendations
#14
K Kumar, D Sharma
BACKGROUND: Multiple landmarks including the transepicondylar axis (TEA), posterior condylar axis (PCA) and anterior trochlear line (TL) have been used to set up the femoral component rotation, but each is faced with its own practical obstacle that limits its usage. Also a common practice is to set the femoral component rotation at 3° external rotation to PCA and valgus resection angle at 5°-7° to anatomical axis of femur. For the reason that the anatomy of each knee is different, it may not be justified to practice such a set protocol in all cases...
July 21, 2017: Musculoskeletal Surgery
https://www.readbyqxmd.com/read/28730147/correlation-between-pain-and-degenerative-bony-changes-on-cone-beam-computed-tomography-images-of-temporomandibular-joints
#15
SunMee Bae, Moon-Soo Park, Jin-Woo Han, Young-Jun Kim
BACKGROUND: The aim of this study was to assess correlation between pain and degenerative bony changes on cone-beam computed tomography (CBCT) images of temporomandibular joints (TMJs). METHODS: Two hundred eighty-three temporomandibular joints with degenerative bony changes were evaluated. Pain intensity (numeric rating scale, NRS) and pain duration in patients with degenerative joint disease (DJD) were also analyzed. We classified condylar bony changes on CBCT into five types: osteophyte (Osp), erosion (Ero), flattening (Fla), subchondral sclerosis (Scl), and pseudocyst (Pse)...
December 2017: Maxillofacial Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28716756/cartilage-specific-deletion-of-alk5-gene-results-in-a-progressive-osteoarthritis-like-phenotype-in-mice
#16
Q Wang, Q Y Tan, W Xu, H B Qi, D Chen, S Zhou, Z H Ni, L Kuang, J Y Guo, J L Huang, X X Wang, Z Q Wang, N Su, L Chen, B Chen, W L Jiang, Y Gao, H G Chen, X L Du, Y L Xie, L Chen
OBJECTIVE: Previous studies have shown that Transforming growth factor-β (TGF-β)/TGFβRII-Smad3 signaling is involved in articular cartilage homeostasis. However, the role of TGF-β/ALK5 signaling in articular cartilage homeostasis has not been fully defined. In this study, a combination of in vitro and in vivo approaches was used to elucidate the role of ALK5 signaling in articular cartilage homeostasis and the development of osteoarthritis (OA). DESIGN: Mice with inducible cartilage-specific deletion of Alk5 were generated to assess the role of ALK5 in OA development...
July 14, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28713620/supernumerary-lumbar-ribs-a-rare-occurrence-on-an-adult-african-male-skeleton
#17
Samson Chengetanai, Elsie K Nchabeleng, Nicholas Bacci, Brendon K Billings, Pedzisai Mazengenya
Supernumerary lumbar ribs are usually asymptomatic and discovered incidentally during routine diagnostic radiography. During a routine inventory of the research skeletal repository at the University of the Witwatersrand, a rare case of bilateral supernumerary ribs on the first lumbar vertebra was observed. The skeletal specimen belonged to a 70-year-old African male whose recorded cause of death was esophageal carcinoma. Plain radiography revealed bilateral joint cavities between the transverse processes of the first lumbar vertebra and the supernumerary ribs...
June 2017: Anatomy & Cell Biology
https://www.readbyqxmd.com/read/28711584/biomarkers-reflect-differences-in-osteoarthritis-phenotypes-of-the-lumbar-spine-the-johnston-county-osteoarthritis-project
#18
A P Goode, A E Nelson, V B Kraus, J B Renner, J M Jordan
OBJECTIVE: To determine differences in biomarker levels between radiographic phenotypes of facet joint osteoarthritis (FOA) only, spine OA only ((disc space narrowing (DSN) and vertebral osteophytes (OST)) or the combination of FOA and spine OA. DESIGN: A cross-sectional analysis of data from 555 participants in the Johnston County Osteoarthritis Project was performed. Lumbar spine levels were graded by severity (OST and DSN) and presence (FOA) of degeneration. Biomarkers included hyaluronan (HA) and type II collagen (CTX-II)...
July 12, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28706840/arthroscopic-excision-of-osteoid-osteoma-of-the-talus
#19
Iftach Hetsroni, Meir Nyska, Evgeny Edelshtein, Gideon Mann, Ezequiel Palmanovich
Osteoid osteoma is a benign tumor that can cause significant pain and disability. Excision of the tumor can be accomplished with open surgery or, as advocated in recent years, with computed tomography (CT)-guided radiofrequency ablation. In this article, a unique arthroscopic approach to excise an osteoid osteoma of the talus is presented. This was possible by relying on a clear intra-articular prominent osteophyte, which was used as a landmark to indicate tumor location in accordance with preoperative CT views...
June 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28706794/notchplasty-for-the-arthroscopic-treatment-of-limited-knee-extension
#20
Marcio B Ferrari, Sandeep Mannava, Nicholas DePhillipo, George Sanchez, Robert F LaPrade
Knee osteoarthritis may lead to narrowing of the intercondylar notch due to osteophyte formation, thereby causing changes in native knee biomechanics. The normal close contact between the condyles and the anterior cruciate ligament (ACL) during knee extension may be compromised due to narrowing of the notch and result in ACL damage, progression of knee osteoarthritis, and loss of knee extension. Outcomes after a notchplasty procedure are well reported for ACL reconstruction in young patients. However, there remains a lack of studies evaluating this procedure in the setting of knee osteoarthritis in patients with a symptomatic loss of knee extension...
June 2017: Arthroscopy Techniques
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