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https://www.readbyqxmd.com/read/28742210/clinical-research-on-correction-of-ankle-arthritis-related-factor-levels-via-urea
#1
C Sun, S Zhang, L Wei, J-Z Zhang
OBJECTIVE: To investigate the reliability of urea as the internal reference of ankle irrigating fluid in correction of synovial fluid and related factor concentration dilution times, and to further determine the factor expression level in synovial fluid. PATIENTS AND METHODS: A total of 91 patients, including 20 cases of non-posterior median foot lesions and 71 cases of unilateral ankle osteoarthritis, were enrolled in this study. AOFAS score, Takakura staging and visual analogue pain scale were given; the venous blood was collected and the ankle fluid and irrigating fluid were obtained from the affected side via puncture...
July 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28741137/protection-of-the-proximal-articular-cartilage-during-percutaneous-thermal-ablation-of-acetabular-metastasis-using-temperature-monitoring
#2
Salem Bauones, Julien Garnon, Basavaraj Chari, Roberto L Cazzato, Georgia Tsoumakidou, Jean Caudrelier, Guillaume Koch, Afshin Gangi
OBJECTIVE: To review our initial experience in acetabular cartilage protection from thermal injury with temperature monitoring during percutaneous image-guided tumor thermal ablation. MATERIALS AND METHODS: Between June 2015 and December 2016, three consecutive oncologic patients (mean age 58 years; range 48-67 years) with acetabular bone metastasis underwent percutaneous image-guided thermal ablation procedures along with hip joint cartilage thermal monitoring...
July 24, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28737949/effects-of-autogenous-bone-marrow-aspirate-concentrate-on-radiographic-integration-of-femoral-condylar-osteochondral-allografts
#3
Lasun O Oladeji, James P Stannard, Cristi R Cook, Mauricio Kfuri, Brett D Crist, Matthew J Smith, James L Cook
BACKGROUND: Transplantation of fresh osteochondral allografts (OCAs) is an attractive treatment option for symptomatic articular cartilage lesions in young, healthy patients. Because the lack of OCA bone integration can be a cause of treatment failure, methods for speeding and enhancing OCA bone integration to mitigate this potential complication are highly desirable. PURPOSE: To determine if autogenous bone marrow aspirate concentrate (BMC) treatment of large femoral condylar OCAs would be associated with superior radiographic OCA bone integration compared with nontreated allografts during the critical first 6 months after surgery...
July 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28735663/histological-features-of-the-distal-third-metacarpal-bone-in-thoroughbred-racehorses-with-and-without-lateral-condylar-fractures
#4
M J Pinilla, C A Tranquille, A S Blunden, Y M Chang, T D H Parkin, R C Murray
A detailed histopathological study of the distal third metacarpal bone of Thoroughbred racehorses was undertaken to characterize lesions observed previously on magnetic resonance imaging (MRI). The bones were selected and grouped on the basis of MRI features. Representative sections in different planes were processed for histopathology. All lesions observed in the articular cartilage (AC) and subchondral bone (SCB) were recorded and graded with a scoring system, based partially on the Osteoarthritis Research Society International grading system...
July 2017: Journal of Comparative Pathology
https://www.readbyqxmd.com/read/28735021/wisp1-ccn4-aggravates-cartilage-degeneration-in-experimental-osteoarthritis
#5
Martijn H van den Bosch, Arjen B Blom, Vardit Kram, Azusa Maeda, Sheena Sikka, Yankel Gabet, Tina M Kilts, Wim B van den Berg, Peter L van Lent, Peter M van der Kraan, Marian F Young
OBJECTIVE: Increased Wisp1 expression was previously reported in experimental and human osteoarthritis. 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 osteoarthritis in wild type and Wisp1(-/-) mice. METHODS: Wild type and Wisp1(-/-) mice were aged or experimental osteoarthritis was induced with intraarticular collagenase injection, destabilization of the medial meniscus or anterior cruciate ligament transection...
July 19, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28725908/cyst-like-lesions-at-chondro-osseous-junction
#6
Zijun Zhang, Jeffrey Beckett, Lew Schon
This study described and histologically characterized a cyst-like lesion (CLL) at the chondro-osseous junction. Rat knees (n = 12), with or without excessive running-induced osteoarthritis (OA), were used for counting the incidence, morphological measurements, immunohistochemistry of the CLL. A typical CLL, appearing as a void space in the matrix, was located on the tidemark at the chondro-osseous junction. The content of the CLL included types II and VI collagen, proteoglycans but not intact chondrocytes. At least one CLL was found in 5/6 osteoarthritic knees and only 2/6 in the non-osteoarthritic knees...
July 19, 2017: Calcified Tissue International
https://www.readbyqxmd.com/read/28724821/epipalpebral-conjunctival-chondroid-choristoma-interesting-developmental-anomaly-presenting-in-an-adult
#7
Pushpanjali R Ojha, Archana Hemant Deshpande, Chitrawati Bal Gargade, Jitendra Singh Nigam
Ocular choristomas are uncommon lesions chiefly presenting in children. Choristomas may contain dermal and epidermal components, muscle, cartilage, bone, etc. They are usually seen in epibulbar conjunctiva, but epipalpebral location is uncommon. We present a case of epipalpebral chondroid choristoma presenting in an adult patient.
July 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/28720091/clinical-and-imaging-outcome-of-osteochondral-lesions-of-the-talus-treated-using-autologous-matrix-induced-chondrogenesis-technique-with-a-biomimetic-scaffold
#8
Domenico Albano, Nicolò Martinelli, Alberto Bianchi, Carmelo Messina, Francesco Malerba, Luca Maria Sconfienza
BACKGROUND: The purpose of our study was to assess the clinical and imaging outcome of autologous matrix-induced chondrogenesis (AMIC) technique consisting of microfractures followed by the filling of osteochondral lesions of the talus (OLTs) with a cell-free biphasic collagen-hydroxyapatite osteochondral scaffold (MaioRegen). METHODS: Sixteen patients (eight males, age: 42.6 ± 18.4, range 14-74) with OLT repaired using AMIC technique, with implantation of MaioRegen, were clinically evaluated through the American Orthopedic Foot and Ankle Society Score (AOFAS) and a 10-point Visual Analogue Scale (VAS) pain score after a mean follow-up of 30 ± 16...
July 18, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28719231/biologic-injections-for-osteoarthritis-and-articular-cartilage-damage-can-we-modify-disease
#9
Weilong J Shi, Fotios P Tjoumakaris, Mayan Lendner, Kevin B Freedman
OBJECTIVE: The purpose of the present investigation is to conduct a systematic review of the literature to review the clinical results of platelet rich plasma (PRP) and mesenchymal stem cell treatments (MSC) (biologics) for articular cartilage lesions and osteoarthritis of the knee. METHODS: A search of the PubMed, EMBASE, and Cochrane databases was performed to identify studies involving biologic therapy for osteoarthritis or osteochondral defects. Only Level I-III clinical trials with at least 3-month follow-up were included...
July 18, 2017: Physician and Sportsmedicine
https://www.readbyqxmd.com/read/28710047/intradural-intramedullary-teratoma-presenting-in-the-lumbar-spine-report-of-a-rare-case
#10
Alireza Mohammadi, Taha Fereydouni, Ali Rahbari, Peyman Mokarian, Zoha Khademi
BACKGROUND: Intradural teratoma is an exceedingly unusual phenomenon. They are tumors with the cellular constituent source of all the three germ cell layers. CASE DESCRIPTION: We here report a case of an 18-year-old male with special pathological features. There was no history of spinal dysraphism, congenital spinal abnormalities, previous spinal surgery, or lumbar puncture. Lumbosacral spine magnetic resonance imaging revealed a well-delineated, intramedullary mass at the L2-L3 levels of the lumbar spine...
July 11, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28709984/micrometer-scale-guidance-of-mesenchymal-stem-cells-to-form-structurally-oriented-large-scale-tissue-engineered-cartilage
#11
Chih-Ling Chou, Alexander L Rivera, Valencia Williams, Jean F Welter, Joseph M Mansour, Judith A Drazba, Takao Sakai, Harihara Baskaran
Current clinical methods to treat articular cartilage lesions provide temporary relief of the symptoms but fail to permanently restore the damaged tissue. Tissue engineering, using mesenchymal stem cells (MSCs) combined with scaffolds and bioactive factors, is viewed as a promising method for repairing cartilage injuries. However, current tissue engineered constructs display inferior mechanical properties compared to native articular cartilage, which could be attributed to the lack of structural organization of the extracellular matrix (ECM) of these engineered constructs in comparison to the highly oriented structure of articular cartilage ECM...
July 11, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28707834/-update-on-the-treatment-of-articular-cartilage-lesions-in-the-knee
#12
Étienne Cavaignac, Jacques Menetrey, Didier Hannouche
Despite articular cartilage lesions being common, there is no evidence-based treatment protocol for them. The preoperative assessment must diagnose all of the concurrent pathologies that need to be treated at the same time. Several types of treatments exist, and each has its advantages and disadvantages. First-line therapy consists of well-conducted conservative treatment. Surgical treatment is the second choice. It is chosen according to the size of the lesion, its depth, damage to the subchondral bone, and the condition of the neighboring cartilage...
December 14, 2016: Revue Médicale Suisse
https://www.readbyqxmd.com/read/28706836/arthroscopic-treatment-of-capitellum-osteochondritis-dissecans-with-micronized-allogeneic-cartilage-scaffold
#13
Paul E Caldwell, Brett Auerbach, Sara E Pearson
Osteochondritis dissecans (OCD) of the capitellum is a common disorder that causes pain and functional limitation in the adolescent elbow. Although conservative management is the first line of treatment, surgical intervention is usually recommended for patients with persistent mechanical symptoms, loose bodies, or unstable lesions. Elbow arthroscopy has become the gold standard to evaluate and treat symptomatic OCD lesions. Arthroscopic debridement and bone marrow stimulation have been shown to yield good short-term results...
June 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28706814/tibial-allograft-transfer-for-medial-tibial-plateau-resurfacing
#14
Jonathan A Godin, Salvatore Frangiamore, Jorge Chahla, Mark E Cinque, Nicholas N DePhillipo, Robert F LaPrade
A large cartilage lesion of the tibial plateau with a deficient meniscus in a young patient is a challenging pathology for the orthopaedic surgeon due to the limited options available. While hemiarthroplasty procedures can be an option, the risk of revision in a young patient is high, and therefore a reconstructive procedure is advocated. The purpose of this Technical Note is to describe our technique for tibial plateau resurfacing, including the preparation and implantation of a medial tibial plateau and medial meniscal allograft, in a patient with a post-traumatic KD-4 knee dislocation with a medial tibial plateau rim fracture, medial meniscus deficiency, and medial tibiofemoral joint subluxation...
June 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28706807/labral-gracilis-tendon-allograft-reconstruction-and-cartilage-regeneration-scaffold-for-an-uncontained-acetabular-cartilage-defect-of-the-hip
#15
Laurel E MacInnis, Ahmed Al Hussain, Catherine Coady, Ivan H Wong
Hip cartilage injuries are very common, with rates as high as 50% having been reported in some series; abnormal femoral acetabular contact can result in a full-thickness cartilage defect or labral lesion. The prevalence of labral lesions can be as high as 55%. This Technical Note describes an arthroscopic technique to reconstruct an uncontained, full-thickness, focal cartilage defect of the acetabulum, with reconstruction of the missing labrum using a gracilis allograft and use of a biological liquid scaffold for cartilage reconstruction...
June 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28705915/microarray-analysis-of-bone-marrow-lesions-in-osteoarthritis-demonstrates-upregulation-of-genes-implicated-in-osteochondral-turnover-neurogenesis-and-inflammation
#16
Anasuya Kuttapitiya, Lena Assi, Ken Laing, Caroline Hing, Philip Mitchell, Guy Whitley, Abiola Harrison, Franklyn A Howe, Vivian Ejindu, Christine Heron, Nidhi Sofat
OBJECTIVE: Bone marrow lesions (BMLs) are well described in osteoarthritis (OA) using MRI and are associated with pain, but little is known about their pathological characteristics and gene expression. We evaluated BMLs using novel tissue analysis tools to gain a deeper understanding of their cellular and molecular expression. METHODS: We recruited 98 participants, 72 with advanced OA requiring total knee replacement (TKR), 12 with mild OA and 14 non-OA controls...
July 13, 2017: Annals of the Rheumatic Diseases
https://www.readbyqxmd.com/read/28705062/ankle-traction-during-mri-of-talar-dome-osteochondral-lesions
#17
Ryan Ka Lok Lee, James F Griffith, Eric K C Law, Alex W H Ng, David K W Yeung
OBJECTIVE: The objective of our study was to assess the impact of axial traction during MRI of talar dome osteochondral lesions using a small-FOV coil. SUBJECTS AND METHODS: A prospective study of 33 patients undergoing high-resolution MRI of the ankle using a microscopy coil with and without axial traction was performed. Two radiologists independently measured the tibiotalar joint space width and semiquantitatively graded intraarticular joint fluid dispersion, cartilage surface visibility of the osteochondral lesion, and cartilage surface visibility elsewhere in the tibiotalar joint before and after traction...
July 13, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28703030/cartilage-health-in-knees-treated-with-metal-resurfacing-implants-or-untreated-focal-cartilage-lesions-a-preclinical-study-in-sheep
#18
Nicolas Martinez-Carranza, Kjell Hultenby, Anne Sofie Lagerstedt, Peter Schupbach, Hans E Berg
Background Full-depth cartilage lesions do not heal and the long-term clinical outcome is uncertain. In the symptomatic middle-aged (35-60 years) patient, treatment with metal implants has been proposed. However, the cartilage health surrounding these implants has not been thoroughly studied. Our objective was to evaluate the health of cartilage opposing and adjacent to metal resurfacing implants. Methods The medial femoral condyle was operated in 9 sheep bilaterally. A metallic resurfacing metallic implant was immediately inserted into an artificially created 7...
July 1, 2017: Cartilage
https://www.readbyqxmd.com/read/28698804/the-knee-meniscus-management-of-traumatic-tears-and-degenerative-lesions
#19
Philippe Beaufils, Roland Becker, Sebastian Kopf, Ollivier Matthieu, Nicolas Pujol
Meniscectomy is one of the most popular orthopaedic procedures, but long-term results are not entirely satisfactory and the concept of meniscal preservation has therefore progressed over the years. However, the meniscectomy rate remains too high even though robust scientific publications indicate the value of meniscal repair or non-removal in traumatic tears and non-operative treatment rather than meniscectomy in degenerative meniscal lesionsIn traumatic tears, the first-line choice is repair or non-removal...
May 2017: EFORT open reviews
https://www.readbyqxmd.com/read/28697530/modern-cartilage-imaging-of-the-ankle
#20
Marc André Weber, Felix Wünnemann, Pia M Jungmann, Benita Kuni, Christoph Rehnitz
Background Talar osteochondral lesions are an important risk factor for the development of talar osteoarthritis. Furthermore, osteochondral lesions might explain persistent ankle pain. Early diagnosis of accompanying chondral defects is important to establish the optimal therapy strategy and thereby delaying or preventing the onset of osteoarthritis. The purpose of this review is to explain modern cartilage imaging with emphasis of MR imaging as well as the discussion of more sophisticated imaging studies like CT-arthrography or functional MR imaging...
July 11, 2017: RöFo: Fortschritte Auf Dem Gebiete der Röntgenstrahlen und der Nuklearmedizin
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