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Microfracture

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https://www.readbyqxmd.com/read/29144772/subchondral-bone-degradation-after-microfracture-for-osteochondral-lesions-of-the-talus-an-mri-analysis
#1
Yoshiharu Shimozono, Max Coale, Youichi Yasui, Amanda O'Halloran, Timothy W Deyer, John G Kennedy
BACKGROUND: Microfracture is the most common cartilage-reparative procedure for the treatment of osteochondral lesions of the talus (OLTs). Damage to the subchondral bone (SCB) during microfracture may irreversibly change the joint-loading support of the ankle, leading to reparative fibrocartilage degradation over time. PURPOSE: To investigate the morphological change in the SCB after microfracture for OLT by developing a novel magnetic resonance imaging (MRI) scoring system specifically for evaluating the SCB...
November 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29138920/concurrent-arthroscopic-osteochondral-lesion-treatment-and-lateral-ankle-ligament-repair-has-no-substantial-effect-on-the-outcome-of-chronic-lateral-ankle-instability
#2
Dong Jiang, Yin-Fang Ao, Chen Jiao, Xing Xie, Lin-Xin Chen, Qin-Wei Guo, Yue-Lin Hu
PURPOSE: The purpose of the study was to evaluate the effect of concurrent arthroscopic osteochondral lesion (OCL) treatment and lateral ankle ligament repair on the outcome of chronic lateral ankle instability. It was hypothesized that the arthroscopic OCL treatment might have some negative effect on the outcome of chronic lateral ankle instability (CLAI) by compromising the rehabilitation program. METHODS: Ankle arthroscopy and anatomic lateral ankle ligament repair with suture anchors were performed for 70 patients with CLAI between 2010 and 2012...
November 14, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29137027/morphobiochemical-diagnosis-of-acute-trabecular-microfractures-using-gamma-correction-tc-99m-hdp-pinhole-bone-scan-with-histopathological-verification
#3
Yong-Whee Bahk, Seok-Ha Hwang, U-Young Lee, Yong-An Chung, Joo-Young Jung, Hyeonseok S Jeong
We prospectively performed gamma correction pinhole bone scan (GCPBS) and histopathologic verification study to make simultaneous morphobiochemical diagnosis of trabecular microfractures (TMF) occurred in the femoral head as a part of femoral neck fracture.Materials consisted of surgical specimens of the femoral head in 6 consecutive patients. The specimens were imaged using Tc-99m hydroxymethylene diphosphonate (HDP) pinhole scan and processed by the gamma correction. After cleansing with 10% formalin solution, injured specimen surface was observed using a surgical microscope to record TMF...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29135269/return-to-play-after-hip-arthroscopic-surgery-for-femoroacetabular-impingement-in-professional-soccer-players
#4
Renato Locks, Hajime Utsunomiya, Karen K Briggs, Shannen McNamara, Jorge Chahla, Marc J Philippon
BACKGROUND: Arthroscopic hip surgery has been shown to be effective in returning professional athletes back to play at a high level of performance in different sports. Limited information exists regarding professional soccer players and their return to play. PURPOSE: To determine the rate and time to return to sport for professional soccer players after hip arthroscopic surgery for the treatment of femoroacetabular impingement (FAI) and to identify possible risk factors associated with a delay in returning to play...
November 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29132387/theoretically-proposed-optimal-frequency-for-ultrasound-induced-cartilage-restoration
#5
April D Miller, Anuradha Subramanian, Hendrik J Viljoen
BACKGROUND: Matching the frequency of the driving force to that of the system's natural frequency of vibration results in greater amplitude response. Thus we hypothesize that applying ultrasound at the chondrocyte's resonant frequency will result in greater deformation than applying similar ultrasound power at a frequency outside of the resonant bandwidth. Based on this resonant hypothesis, our group previously confirmed theoretically and experimentally that ultrasound stimulation of suspended chondrocytes at resonance (5 MHz) maximized gene expression of load inducible genes...
November 14, 2017: Theoretical Biology & Medical Modelling
https://www.readbyqxmd.com/read/29132386/primary-single-suture-anchor-re-fixation-of-anterior-cruciate-ligament-proximal-avulsion-tears-leads-to-good-functional-mid-term-results-a-preliminary-study-in-12-patients
#6
Christof Hoffmann, Jan Friederichs, Christian von Rüden, Christian Schaller, Volker Bühren, Christoph Moessmer
BACKGROUND: Current studies demonstrate encouraging short-term results after primary anterior cruciate ligament (ACL) suture anchor repair. However, earlier studies reported deterioration of knee function at 5-year follow-up following good clinical short-term recovery. Therefore, the aim of this study was to evaluate clinical long-term results after primary ACL repair at a minimum 5-year follow-up. METHODS: In a retrospective study, 13 patients were included between 2009 and 2012...
November 13, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/29128878/microfracture-is-more-cost-effective-than-autologous-chondrocyte-implantation-a-review-of-level-1-and-level-2-studies-with-5%C3%A2-year-follow-up
#7
Tommy Frøseth Aae, Per-Henrik Randsborg, Hilde Lurås, Asbjørn Årøen, Øystein Bjerkestrand Lian
PURPOSE: Focal cartilage defects in the knee may have devastating effect on the knee joint, where two of the main surgical treatment options are microfracture and autologous chondrocyte implantation. Comparative studies have failed to establish which method yields the best clinical results. A cost-effectiveness analysis of microfracture and autologous chondrocyte implantation would contribute to the clinical decision process. METHODS: A PubMed search identifying level I and level II studies with 5 year follow-up was performed...
November 11, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29114640/evolution-of-osteochondritis-dissecans-of-the-lateral-femoral-condyle-combined-with-discoid-meniscus
#8
Erica Bulgheroni, Lorenzo Mattioli, Paolo Bulgheroni
The discoid meniscus is a rare anomaly of the knee that affects mostly the lateral meniscus and is often asymptomatic. The osteochondritis dissecans is a disorder of the subchondral bone and articular cartilage and occurs frequently associated with the discoid lateral meniscus. In the present case, we showed the evolution of this association related to surgical treatment. A patient with lateral knee pain and a magnetic resonance depicting a torn discoid lateral meniscus and osteochondritis dissecans of the lateral femoral condyle was treated with partial meniscectomy and meniscal sutures...
June 2017: Joints
https://www.readbyqxmd.com/read/29114639/knee-septic-arthritis-after-arthroscopy-incidence-risk-factors-functional-outcome-and-infection-eradication-rate
#9
REVIEW
G Balato, S L Di Donato, T Ascione, A D'Addona, F Smeraglia, G Di Vico, D Rosa
Purpose  Septic knee arthritis following arthroscopy is a rare but dreaded complication. Definition and management of knee deep infections are quite discussed in literature. In this review, literature regarding infections after knee arthroscopy is analyzed highlighting the incidence, causative bacteria, risk factors as well as clinical outcomes. Methods  We performed a review of the literature matching the following key words: "septic arthritis" OR "infection" AND "arthroscopy" AND "knee." Knee arthroscopic procedures, such as debridement, meniscectomy, meniscus repair, synovectomy, microfracture, and lateral release, were considered...
June 2017: Joints
https://www.readbyqxmd.com/read/29114638/how-to-manage-a-failed-cartilage-repair-a-systematic-literature-review
#10
REVIEW
Donato Rosa, Sigismondo Luca Di Donato, Giovanni Balato, Alessio D'Addona, Francesco Smeraglia, Gaetano Correra, Gianni Di Vico
Purpose  The aims of this paper are to report the rate and risk factors for the failure of the most common cartilage repair technique, and analyze the most important factors that could influence the choice of a specific surgical treatment to revise a failed cartilage repair. Methods  A review of the literature was performed focusing on failed cartilage repair and related treatments. Two of the authors independently screened articles. Conflicts about the inclusion of a paper was resolved by further evaluation by the senior author...
June 2017: Joints
https://www.readbyqxmd.com/read/29114627/second-generation-needling-techniques-for-the-treatment-of-chondral-defects-in-animal-model
#11
Pietro Zedde, Sebastiano Cudoni, Lucia Manunta, Eraldo Sanna Passino, Gerolamo Masala, Antonio Brunetti, Francesco Mattia Uboldi, Andrea Fabio Manunta
Purpose  To compare the macroscopic, histological, and immunohistochemical characteristics of the repair tissue of chondral defects treated with microfracture and nanofracture in an ovine model. Methods  Full-thickness chondral lesions were created in the medial femoral condyle of both knees in four adult sheep and were treated with microfracture on one side and with nanofracture on the contralateral side. Chondral repair was assessed after 12 months by macroscopic, histological, and immunohistochemical analyses...
March 2017: Joints
https://www.readbyqxmd.com/read/29110690/autologous-cell-derived-tissue-engineered-cartilage-for-repairing-articular-cartilage-lesions-in-the-knee-study-protocol-for-a-randomized-controlled-trial
#12
Ning Ma, Hongxia Wang, Xian Xu, Yiqun Wan, Yufeng Liu, Mingjie Wang, Wen Yu, Yongjing Dai, Jiang Peng, Quanyi Guo, Changlong Yu, Shibi Lu
BACKGROUND: Spontaneous recovery from articular cartilage injury is difficult, and the ongoing progression of disease can eventually lead to osteoarthritis. Currently, there is no effective non-surgical treatment for articular cartilage injury. Arthroscopic debridement and microfracture surgery are performed for fibrocartilage repair. But fibrocartilage is different from normal articular cartilage, and functional recovery is not satisfactory. Therefore, it is necessary to develop more effective techniques for articular cartilage repair...
November 6, 2017: Trials
https://www.readbyqxmd.com/read/29108784/clinical-outcomes-and-return-to-sport-in-competitive-athletes-undergoing-arthroscopic-iliopsoas-fractional-lengthening-compared-with-a-matched-control-group-without-iliopsoas-fractional-lengthening
#13
Itay Perets, David E Hartigan, Edwin O Chaharbakhshi, Lyall Ashberg, Brian Mu, Benjamin G Domb
PURPOSE: To compare the minimum 2-year outcomes and return to sports in competitive athletes after arthroscopic iliopsoas fractional lengthening (IFL) and treatment for femoroacetabular impingement (FAI) to competitive athletes treated for FAI who did not undergo IFL. METHODS: Data were prospectively collected and retrospectively reviewed between November 2009 and April 2014. Included patients were high school, collegiate, or professional athletes who underwent arthroscopic IFL, treatment for FAI, and preoperative modified Harris Hip Score, Non-Arthritic Athletic Hip Score, Hip Outcome Score-Sports Specific Subscale, and visual analog scale...
November 3, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29103840/the-influence-of-full-thickness-chondral-defects-on-outcomes-following-meniscal-allograft-transplantation-a-comparative-study
#14
Bryan M Saltzman, Maximilian A Meyer, Timothy S Leroux, Matthew E Gilelis, Margot Debot, Adam B Yanke, Brian J Cole
PURPOSE: To compare a series of patients who underwent meniscus allograft transplantation (MAT) with full-thickness chondral defects (FTD) with those with no chondral defect (ND) with regard to the following: change in patient-reported outcomes (PROs) from baseline to 2-year follow-up and baseline to the final follow-up (including comparisons to minimal clinically important differences), complications and complication rates, reoperations and reoperation rates/timing, and failures and time to failure (revision MAT or conversion to total knee arthroplasty)...
November 2, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29102018/editorial-commentary-can-the-outcomes-of-microfracture-be-improved-to-better-repair-small-cartilage-defects
#15
EDITORIAL
Shinichi Yoshiya
The use of a cannulated hollow awl in the microfracture technique can prevent destruction of subchondral bone and potentially enhance the cartilage repair process. Further long-term clinical study would be required to confirm the efficacy of this procedure modification.
November 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29101369/trabecular-bone-anisotropy-imaging-with-a-compact-laser-undulator-synchrotron-x-ray-source
#16
Christoph Jud, Eva Braig, Martin Dierolf, Elena Eggl, Benedikt Günther, Klaus Achterhold, Bernhard Gleich, Ernst Rummeny, Peter Noël, Franz Pfeiffer, Daniela Muenzel
Conventional x-ray radiography is a well-established standard in diagnostic imaging of human bones. It reveals typical bony anatomy with a strong surrounding cortical bone and trabecular structure of the inner part. However, due to limited spatial resolution, x-ray radiography cannot provide information on the microstructure of the trabecular bone. Thus, microfractures without dislocation are often missed in initial radiographs, resulting in a lack or delay of adequate therapy. Here we show that x-ray vector radiography (XVR) can overcome this limitation and allows for a deeper insight into the microstructure with a radiation exposure comparable to standard radiography...
November 3, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29083347/current-concepts-in-treatment-of-early-knee-osteoarthritis-and-osteochondral-lesions-the-role-of-biological-augmentations
#17
C Dall'Oca, M Cengarle, A Costanzo, N Giannini, A Vacchiano, B Magnan
Early knee osteoarthritis and chondral lesions are a common cause of disability in younger patients. Surgical options, such as microfractures, ACI and OAT, provide good, but not fully satisfying, outcomes. Recent advance in biological knowledge introduced two different methodological approaches of delivering growth factors and stem cells into the articular environment. Platelet-Rich Plasma and Mesenchimal Stem Cells are supposed to change the way to approach early knee osteoarthritis and chondral lesions, though their indications and limits are yet to be determined...
October 18, 2017: Acta Bio-medica: Atenei Parmensis
https://www.readbyqxmd.com/read/29081379/effects-of-bone-damage-on-creep-behaviours-of-human-vertebral-trabeculae
#18
Paul O'Callaghan, Matthew Szarko, Yue Wang, Jin Luo
A subgroup of patients suffering with vertebral fractures can develop progressive spinal deformities over time. The mechanism underlying such clinical observation, however, remains unknown. Previous studies suggested that creep deformation of the vertebral trabeculae may play a role. Using the acoustic emission (AE) technique, this study investigated effects of bone damage (modulus reduction) on creep behaviours of vertebral trabecular bone. Thirty-seven human vertebral trabeculae samples were randomly assigned into five groups (A to E)...
November 3, 2017: Bone
https://www.readbyqxmd.com/read/29062653/ascot-autologous-bone-marrow-stem-cell-use-for-osteoarthritis-of-the-thumb-first-carpometacarpal-joint
#19
Matthew P Murphy, Christina Buckley, Conor Sugrue, Emma Carr, Aine O'Reilly, Shane O'Neill, Sean M Carroll
BACKGROUND: The first carpometacarpal joint (CMCJ) in the hand is a commonly affected joint by osteoarthritis. It causes significant thumb base pain, limiting functional capacity. Microfracturing and application of autologous stem cells has been performed on large joints such as the knee but has never been evaluated for use in the smaller joints in the hand. Our aim was to determine the potential benefit of microfracturing and autologous bone marrow stem cells for treatment of osteoarthritis of the first CMCJ in the hand...
September 2017: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/29024597/significant-chondrocyte-viability-is-present-in-acetabular-chondral-flaps-associated-with-femoroacetabular-impingement
#20
Vonda J Wright, Christopher Laurence McCrum, Hongshuai Li, Michael J Tranovich, Johnny Huard
BACKGROUND: Patients presenting with cam deformity of the femoral head and neck sustain repeated trauma to the articular cartilage of the superior acetabulum, with chondral delamination injuries found during hip arthroscopy. Two previous studies reveal conflicting chondrocyte viability data in these traumatic cartilage injuries. The full-thickness nature of flaps may suggest that chondrocytes residing in the cartilage flap matrix in the joint environment would remain viable despite shear trauma...
October 1, 2017: American Journal of Sports Medicine
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