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Dissertations / Theses on the topic 'Autologous chondrocyte implantation'

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1

Ebert, Jay Robert. "Post-operative load bearing rehabilitation following autologous chondrocyte implantation." University of Western Australia. School of Sport Science, Exercise and Health, 2008. http://theses.library.uwa.edu.au/adt-WU2008.0196.

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[Truncated abstract] Autologous Chondrocyte Implantation (ACI) has shown early clinical success as a repair procedure to address focal articular cartilage defects in the knee, and involves isolating and culturing a patient's own chondrocytes in vitro and re-implantation of those cells into the cartilage defect. Over time, repair tissue can develop and remodel into hyaline-like cartilage. A progressive partial weight bearing (PWB) program becomes the critical factor in applying protection and progressive stimulation of the implanted cells, to promote best chondrocyte differentiation and develop
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2

Kobayashi, Tomohito. "A-674563 increases chondrocyte marker expression in cultured chondrocytes by inhibiting Sox9 degradation." Kyoto University, 2018. http://hdl.handle.net/2433/232130.

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3

Briggs, T. W. R. "Autologous chondrocyte implantation of the knee using an inert collagen membrane." Thesis, University College London (University of London), 2009. http://discovery.ucl.ac.uk/17271/.

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The hypothesis for this thesis was that using cultured autologous chondrocytes would lead to repair of full thickness defects with a hyaline type cartilage reparative tissue producing a significant improvement in pain and joint function in both the short and medium term. It was also hypothesised that the cover to contain the implanted cells is only a containment device so can be biologically inert resulting in no difference between Autologous Chondrocyte Implantation (ACI) and Matrix Assisted Chondrocyte Implantation (MACI). For this study autologous cultured chondrocytes were re-implanted und
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4

Walker, Robert William. "The contact stress in the natural knee following autologous chondrocyte implantation." Thesis, Anglia Ruskin University, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.440249.

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5

Bhosale, Abjijit. "Assessment of outcome measure of autologous chondrocyte implantation of the knee joint." Thesis, Keele University, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.540618.

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6

Gooding, Christopher Rees. "A clinical and histopathological review of autologous chondrocyte implantation in the knee." Thesis, University College London (University of London), 2008. http://discovery.ucl.ac.uk/1444392/.

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Osteochondral defects in the knee can be disabling causing persistent pain, giving way, locking, catching and swelling and a reduction in activities including sport. Traditionally symptomatic defects were treated with marrow stimulation techniques such as drilling, abrasion and microfracture of the subchondral bone which have had limited success with usually the production of a fibrocartilage repair. This repair tissue tends to be soft and degenerates over a period of time. Autologous chondrocyte implantation (ACI) has produced hyaline or hyaline-like repair tissue in experimental models and i
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7

Willers, Craig Robert. "Matrix-induced autologous chondrocyte implantation for articular cartilage injury : biology, histology and clinical outcomes." University of Western Australia. School of Surgery, 2008. http://theses.library.uwa.edu.au/adt-WU2008.0227.

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[Truncated abstract] Articular cartilage has no vascular, neural, or lymphatic supply, and hence no intrinsic capacity to self-repair following injury. These physiological limitations, combined with the inability of local chondrocytes to contribute to the repair process, translate to poor structural and functional outcomes in these troublesome defects, and osteoarthritic deterioration with time. Subsequently, many surgical therapies have been trialed to stimulate cartilage repair, but none have produced reliable outcomes. Hence, cartilage repair research has been broadened, with many investiga
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8

Steika, Nils A. "A Comparison of the Wear Resistance of Normal, Degenerate, and Repaired Human Articular Cartilage." Thesis, Virginia Tech, 2004. http://hdl.handle.net/10919/35664.

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In our aging population, arthritis is becoming an increasingly common problem. Pain, loss of joint function and other negative affects make arthritis a major health problem. The most common form of arthritis, osteoarthritis, is caused by the "wear and tear" of articular cartilage on the surface of bones in synovial joints. It is a chronic problem that is slowed with different types of therapies, including pharmaceutical, nutritional and surgical, but to date the wearing down of the cartilage cannot be stopped or reversed. Normal, mature, articular cartilage does not spontaneously repair i
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9

Jaiswal, P. K. "Factors affecting outcome after autologous chondrocyte implantation for the treatment of osteochondral defects of the knee." Thesis, University College London (University of London), 2015. http://discovery.ucl.ac.uk/1467124/.

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Some studies on autologous chondrocyte implantation (ACI) have demonstrated little benefit over other techniques and few have demonstrated a lasting benefit. A number of factors can contribute to failure and a scientific approach to elucidate these variables has not been reported. This thesis reports on the use of a statistical approach - the Generalised Linear Model (GLM) to quantify the effect each factor has whilst considering the interplay of other variables. Data from a randomised controlled trial and several case-controlled studies will assess the efficacy of 2 different types of ACI, th
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10

ISHIGURO, NAOKI, HIROHITO MITSUYAMA, YOHEI ONO, MOTOSHIGE NAKASHIMA, HIDEKI HIRAIWA, TADAHIRO SAKAI, and TAKASHI HAMADA. "Surface Markers and Gene Expression to Characterize the Differentiation of Monolayer Expanded Human Articular Chondrocytes." Nagoya University School of Medicine, 2013. http://hdl.handle.net/2237/17606.

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11

Jones, Christopher Wynne. "Laser scanning confocal arthroscopy in orthopaedics : examination of chondrial and connective tissues, quantification of chondrocyte morphology, investigation of matirx-induced autologous chondrocyte implantation and characterisation of osteoarthritis." University of Western Australia. School of Mechanical Engineering, 2007. http://theses.library.uwa.edu.au/adt-WU2008.0061.

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[Truncated abstract] Articular cartilage (AC) covers the surface of synovial joints providing a nearly frictionless bearing surface and distributing mechanical load. Joint trauma can damage the articular surface causing pain, loss of mobility and deformation. Currently there is no uniform treatment protocol for managing focal cartilage defects, with most treatment options targeted towards symptomatic relief but not limiting the progression into osteoarthritis (OA). Autologous chondrocyte implantation (ACI) and more recently matrix-induced autologous chondrocyte implantation (MACI), have emerge
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12

Robertson, William Brett. "Functional and radiological evaluation of autologous chondrocyte implantation using a type I/III collagen membrane: from single defect treatment to early osteoarthritis." University of Western Australia. Orthopaedics Unit, 2007. http://theses.library.uwa.edu.au/adt-WU2007.0172.

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[Truncated abstract] Hyaline articular cartilage is a highly specialised tissue consisting of chondrocytes embedded in a matrix of proteoglycan and collagens. Hyaline articular cartilage withstands high levels of mechanical stress and continuously renews its extracellular matrix. Despite this durability, mature articular cartilage is vulnerable to injury and disease processes that cause irreparable tissue damage. Native hyaline articular cartilage has poor regenerative capacity following injury, largely due to the tissue's lack of blood and lymphatic supply, as well as the inability of native
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13

Robertson, William Brett. "Functional and radiological evaluation of autologous chondrocyte implantation using a type I/III collagen membrane : from single defect treatment to early osteoarthritis /." Connect to this title, 2006. http://theses.library.uwa.edu.au/adt-WU2007.0172.

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14

Howard, Jennifer Sebert. "CLINICAL AND FUNCTIONAL ASSESSMENT FOLLOWING AUTOLOGOUS CHONDROCYTE IMPLANTATION TO THE KNEE: THE ROLE OF PATIENT REPORTED OUTCOMES, PERFORMANCE BASED ASSESSMENT, AND RESPONSE SHIFT." UKnowledge, 2011. http://uknowledge.uky.edu/rehabsci_etds/1.

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Autologous chondrocyte implantation (ACI) is a cell based therapy for the treatment of articular cartilage defects. Numerous studies have reported outcomes following ACI using a variety of patient reported outcomes (PROs), but no clear recommendations exist regarding which PRO is the most responsive to changes following ACI. Few studies have documented changes in performance based assessments (PBAs) following ACI. Response shift theory proposes that residual changes in self-report measures occur over time. Failing to account for response shift may result in over or under reporting of outcomes
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15

Toonstra, Jenny L. "THE RELATIONSHIP BETWEEN PATIENT EXPECTATIONS, FUNCTIONAL OUTCOME, SELF-EFFICACY, AND REHABILITATION ADHERENCE FOLLOWING CARTILAGE REPAIR OF THE KNEE: A SEQUENTIAL EXPLANATORY ANALYSIS." UKnowledge, 2014. http://uknowledge.uky.edu/rehabsci_etds/20.

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Patient expectations have been shown to be a major predictor of outcomes. Furthermore, fulfilled expectations have been linked to increased patient satisfaction and rehabilitation adherence. Expectations may be influenced by a variety of factors, including patient characteristics, pre-operative function, or disease characteristics. However, it is currently unknown what factors and to what degree they may influence patient expectations prior to knee surgery. Furthermore, understanding the importance and values of those expectations for recovery using qualitative methods has not previously been
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16

Whale, Conley Caitlin E. "EFFECT OF A 12-WEEK HOME-BASED NEUROMUSCULAR ELECTRICAL STIMULATION TREATMENT ON CLINICAL OUTCOMES FOLLOWING ARTICULAR CARTILAGE KNEE SURGERY." UKnowledge, 2017. http://uknowledge.uky.edu/rehabsci_etds/40.

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Articular cartilage defects in the knee are common, and can result in pain, decreased function and decreased quality of life. Untreated defects are considered to be a risk factor for developing osteoarthritis, a progressive degenerative joint disease with minimal treatment options. To address these issues, various surgical procedures are available to treat articular cartilage defects in the knee. While these procedures overall have positive results, after surgery patients experience large and persistent deficits in quadriceps strength. A contributing factor to this post-surgical weakness is be
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17

Rakic, Rodolphe. "Nouvelles stratégies thérapeutiques des affections articulaires du cheval : évaluation du potentiel thérapeutique des chondrocytes autologues et des cellules souches de cordon ombilical (sang et gelée de Wharton) : vers l'industrialisation de cellules médicaments." Thesis, Normandie, 2017. http://www.theses.fr/2017NORMC406/document.

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Les affections articulaires touchant le cartilage, telles que les lésions focales et l’arthrose, correspondent aux principales causes de baisse de performance et d’arrêt prématuré de la carrière sportive du cheval. Ainsi, le traitement des affections du cartilage représente un enjeu vétérinaire majeur dans le monde équin, du fait des importantes pertes financières qu’elles occasionnent à la filière. Les faibles capacités de réparation intrinsèque du cartilage, ainsi que l’absence de thérapie à long terme des dommages cartilagineux, nécessitent le recours à des thérapies de nouvelles génération
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18

Cathelinaud, Olivier. "Implantation de chondrocytes autologues pour lésions cartilagineuses du genou du sujet jeune : rapport préliminaire à propos de 25 cas." Bordeaux 2, 1999. http://www.theses.fr/1999BOR2M023.

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19

Gehmlich, Jan. "Preclinical trial to examine the efficacy and safety of the treatment with the autologous chondrocyte transplantation ovine test sample co.don chondrosphere® (ACT3D-S)." 2018. https://ul.qucosa.de/id/qucosa%3A35881.

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Purpose of this study was to show the efficacy and safety of the investigational product co.don chondrosphere® (ACT3D-S). ACT3D-S is a product for autologous chondrocyte transplantation that we used in an animal model, the merino land sheep. We compared the treatment of ACT3D-S (Group A: Investigational product) with an untreated control (Group B: Control Intervention) in a bilateral model, what means that by randomization one hind limb was chosen to be treated with ACT3D-S while the remaining hind limb was left without treatment.
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20

Michalak, Milosch. "Therapie osteochondraler Defekte des Kniegelenks unter Verwendung des Knorpel-Knochen-Ersatzmaterials (TruFit®) in Kombination mit einer einzeitigen autologen Knorpelzelltransplantation im Langzeittierversuch." Doctoral thesis, 2015. http://hdl.handle.net/11858/00-1735-0000-0022-5FB0-A.

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Knorpeldefekte des Kniegelenks zeichnen sich durch eine sehr begrenzte spontane Heilungstendenz aus und führen im Verlauf häufig zur Arthrose. Trotz intensiver Forschungsbemühungen konnte bisher keine neue Therapieoption eine zufrieden-stellende Alternative zu den bisherigen Therapien hervorbringen. Eine ACI in Kombination mit einem künstlich hergestellten Knorpel-Knochen-Ersatzmaterial scheint jedoch großes Potential für die Therapie von Knorpel-Knochen-Schäden zu besitzen. Im vorliegenden Langzeittierversuch mit Kaninchen wurde eine einzeitige ACI mit einem biphasischen Ersatzmaterial (TruF
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21

Kaňa, Radim. "Histomorfologické změny chrupavkových tkání za patologických stavů i po transplantaci u lidí a v experimentu." Doctoral thesis, 2011. http://www.nusl.cz/ntk/nusl-299425.

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1 Abstract Introduction Autologous transplants of the cartilage tissue from the pinna is commonly used in reconstructive surgery of the nasal skeleton. The present study used animal models to elucidate responses of the auricular cartilage to its damage or transplantation to ectopic sites. Histomorphological analysis of changes observed in auricular cartilage including immunohistochemical study of different isoforms of actin and S-100 proteins was performed. Human articular cartilage prepared by in vitro cultivation using artificial scaffolds was also studied after its transplantation. Aims of
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