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Knee cartilage injury

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https://www.readbyqxmd.com/read/29349977/-therapeutic-effects-of-internal-drainage-by-expanding-arthroscopic-gastrocnemius-semimembranosus-bursa-and-cyst-wall-resection-for-the-treatment-of-41-patients-with-popliteal-cysts
#1
Li-Chuang Wu, Hai-Bo Zhou, Chao Zhang, Lei Chen, Cai-Long Liu
OBJECTIVE: To investigate the clinical curative effects of internal drainage by expanding arthroscopic gastrocnemius-semimembranosus bursa(GSB) and cyst wall resection for the treatment of popliteal cysts. METHODS: A retrospective analysis of patients from May 2011 to December 2015. Arthroscopic treatment for 41 patients with popliteal fossa cysts, 18 males and 23 females, aged from 34 to 67 years old, averaged 42.6 years old. All the patients had preoperative magnetic resonance imagings to confirm the diagnosis and identify the valvular opening(Gastrocnemius-Semimembranosus bursa, GSB), as well as the associated intra-articular pathology...
April 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29349030/augmentation-of-patellar-tendon-repair-with-autologous-semitendinosus-graft-porto-technique
#2
João Espregueira-Mendes, Renato Andrade, M J S Fredrick Michael, André Sarmento, Nuno Sevivas, Rui Rocha, Ricardo Bastos Filho
Patellar tendon ruptures can lead to significant functional deficiency of the extensor mechanism of the knee. These injuries, because of their inherent nature and associated complications, may require a complex treatment and remains a challenge for orthopaedic surgeons. Current surgical techniques present significant complications, including patellar fracture, damage to patellar articular cartilage, and abnormal patella height. This note describes a surgical technique to provide an additional reinforcement to the patellar tendon repair with a semitendinous autograft, without the necessity to perform any transosseous tunnels at the patella bone...
December 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/29346825/magnetic-resonance-imaging-of-articular-cartilage-within-the-knee
#3
Erin C Argentieri, Alissa J Burge, Hollis G Potter
Magnetic resonance imaging (MRI) provides an effective and noninvasive means by which to evaluate articular cartilage within the knee. Existing techniques can be utilized to detect and monitor longitudinal changes in cartilage status due to injury or progression of degenerative disease. Quantitative MRI (qMRI) techniques can provide a metric by which to evaluate the efficacy of cartilage repair techniques and offer insight into the composition of cartilage and cartilage repair tissue. In this review, we provide background on MR signal generation and decay, the utility of morphologic MRI assessment, and qMRI techniques for the biochemical assessment of cartilage (dGEMRIC, T2, T2*, T1ρ, sodium, gagCEST)...
January 18, 2018: Journal of Knee Surgery
https://www.readbyqxmd.com/read/29343182/fibronectin-enhances-cartilage-repair-by-activating-progenitor-cells-through-integrin-%C3%A9-5%C3%AE-1-receptor
#4
Tianqi Tao, Yang Li, Chang Gui, Yong Ma, Yingbin Ge, Hanhao Dai, Kaibin Zhang, Jing Du, Yang Guo, Yiqiu Jiang, Jianchao Gui
This study aimed to determine the effect of fibronectin (FN) on cartilage regeneration through the activation of chondrogenic progenitor cells (CPCs). Cells were isolated from the knee cartilage of mice and cultured in the presence of various concentrations of FN. Proliferation, migration and chondrogenic differentiation assays were performed in vitro. In some experiments, CPCs were pre-incubated with anti-integrin ɑ5β1 antibody for 60 min prior to FN treatment to block the integrin ɑ5β1 receptor. Soluble FN was mixed with Pluronic F-127 and injected into the joint cavity in an early-stage osteoarthritis (OA) model...
January 18, 2018: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/29340746/similar-clinical-outcomes-following-collagen-or-polyurethane-meniscal-scaffold-implantation-a-systematic-review
#5
REVIEW
Darby A Houck, Matthew J Kraeutler, John W Belk, Eric C McCarty, Jonathan T Bravman
PURPOSE: The purpose of this systematic review is to evaluate the current literature in an effort to assess specific clinical outcomes following meniscal scaffold implantation using the two available scaffolds: Collagen Meniscal Implant (CMI) and the Actifit polyurethane meniscal scaffold. METHODS: A systematic review was performed by searching PubMed, Embase, and Cochrane Library to find studies evaluating clinical outcomes of patients undergoing meniscal scaffold implantation...
January 16, 2018: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29335748/hydrogel-implant-is-as-effective-as-osteochondral-autologous-transplantation-for-treating-focal-cartilage-knee-injury-in-24%C3%A2-months
#6
Antonio Altenor Bessa de Queiroz, Pedro Debieux, Joicemar Amaro, Mario Ferretti, Moises Cohen
PURPOSE: The treatment approach for a patient with knee joint focal cartilage lesion is a difficult decision. To date, there has been no randomized clinical trial involving Hydrogel (Cartiva™). This study evaluated and compared the results of a hydrogel implant (Cartiva™) with autologous osteochondral transplantation (AOT) for treating knee joint focal cartilage lesions. METHODS: Thirty-eight symptomatic patients, with a focal cartilage lesion of Outerbridge grades III or IV, were randomized into one of two groups according to the inclusion and exclusion criteria...
January 15, 2018: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29329888/associations-between-cartilage-proteoglycan-density-and-patient-outcomes-12months-following-anterior-cruciate-ligament-reconstruction
#7
Brian Pietrosimone, Daniel Nissman, Darin A Padua, J Troy Blackburn, Matthew S Harkey, Robert A Creighton, Ganesh M Kamath, Kaitlin Healy, Randy Schmitz, Jeffrey B Driban, Steve W Marshall, Joanne M Jordan, Jeffrey T Spang
BACKGROUND: Lower proteoglycan density (PGD) of the articular cartilage may be an early marker of osteoarthritis following anterior cruciate ligament (ACL) reconstruction (ACL-R). The purpose this study was to determine associations between the Knee Injury and Osteoarthritis Outcomes Score (KOOS) and PGD of the articular cartilage in the femur and tibia 12-months following ACL-R. METHODS: We evaluated KOOS pain, symptoms, function in activities of daily living (ADL), function in sport and recreation (Sport), and quality of life (QOL), as well as PGD using T1rho magnetic resonance imaging in 18 individuals 12...
January 9, 2018: Knee
https://www.readbyqxmd.com/read/29311503/a-rat-model-of-knee-osteoarthritis-suitable-for-electroacupuncture-study
#8
Yongyuan Ma, Haiyun Guo, Fuhai Bai, Ming Zhang, Liu Yang, Jiao Deng, Lize Xiong
Acupuncture is widely used for knee osteoarthritis (KOA) treatment in clinical practice. In the present study, we aimed to set a standard KOA animal model for electroacupuncture (EA) study and provide an acupuncture recipe for further KOA studies. Rats intra-articularly administered monosodium iodoacetate (MIA, 0.3, 1 or 3 mg respectively, n=12 each) were evaluated for pain-like behavior: paw withdrawal mechanical threshold, weight bearing deficit, and joint pathological changes (OARSI score) until 28 days after injury...
January 1, 2018: Experimental Animals
https://www.readbyqxmd.com/read/29285587/the-percutaneous-pie-crusting-medial-release-during-arthroscopic-procedures-of-the-medial-meniscus-does-neither-affect-valgus-laxity-nor-clinical-outcome
#9
Sang-Woo Jeon, Min Jung, Yong-Min Chun, Su-Keon Lee, Woo Seok Jung, Chong Hyuk Choi, Sung-Jae Kim, Sung-Hwan Kim
PURPOSE: To analyze the effect of percutaneous pie-crusting medial release on valgus laxity before and after surgery and on clinical outcomes. METHODS: Eight-hundred fourteen consecutive patients who underwent an arthroscopic procedure for the medial compartment of the knee were evaluated retrospectively. Sex, age, type of operation (meniscectomy, meniscal repair, and posterior root repair), type of accompanying surgery (none, cartilage procedure, ligament procedure and osteotomy) were documented...
December 28, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29276039/diagnosis-and-treatment-of-osteochondritis-dissecans-of-the-humeral-capitellum
#10
Masahiro Maruyama, Masatoshi Takahara, Hiroshi Satake
Osteochondritis dissecans (OCD) of the humeral capitellum is a critical elbow injury in adolescent overhead throwing athletes. However, its etiology remains unknown. Medical examinations using ultrasonography found that the prevalence of capitellar OCD among adolescent baseball players was approximately from 1% to 3%. A plain anteroposterior radiograph with the elbow in 45° of flexion is essential for the diagnosis of an OCD lesion. The stability of OCD lesions is evaluated on plain radiographs, computed tomography, and magnetic resonance imaging (MRI)...
December 21, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/29273255/revision-multiligament-knee-reconstruction-clinical-outcomes-and-proposed-treatment-algorithm
#11
Jarret M Woodmass, Michael P O'Malley, Aaron J Krych, Patrick J Reardon, Nick R Johnson, Michael J Stuart, Bruce A Levy
PURPOSE: To (1) assess clinical outcomes of revision multiligament knee injury (MLKI) reconstruction at a minimum of 2 years' follow-up and (2) present a standardized treatment algorithm used in treating revision MLKI patients. METHODS: A retrospective review of our institution's MLKI database was performed to identify all patients who underwent revision MLKI reconstructions (≥2 ligaments reconstructed) after implementation of a standardized treatment algorithm in 2000 and had a minimum of 2 years' follow-up...
December 19, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29241343/can-biologic-augmentation-improve-clinical-outcomes-following-microfracture-for-symptomatic-cartilage-defects-of-the-knee-a-systematic-review
#12
Armin Arshi, Peter D Fabricant, Derek E Go, Riley J Williams, David R McAllister, Kristofer J Jones
Objective To perform a systematic review of clinical outcomes following microfracture augmented with biological adjuvants (MFX+) compared with microfracture (MFX) alone. Design The MEDLINE, Scopus, and Cochrane databases were searched for clinical studies on MFX+ for chondral defects of the knee. Study characteristics and clinical outcome score data were collected. Subjective synthesis was performed using data from randomized controlled studies to determine effect size of MFX+ procedures performed with either injectable or scaffold-based augmentation compared with MFX alone...
December 1, 2017: Cartilage
https://www.readbyqxmd.com/read/29238105/relationship-between-patellar-mobility-and-patellofemoral-joint-cartilage-degeneration-after-anterior-cruciate-ligament-reconstruction
#13
Susumu Ota, Kazutoshi Kurokouchi, Shigeo Takahashi, Masaki Yoda, Ryuichiro Yamamoto, Tadahiro Sakai
Patellofemoral cartilage degeneration is a potential complication of anterior cruciate ligament reconstruction (ACLR) surgery. Hypomobility of the patella in the coronal plane is often observed after ACLR. Few studies, however, have examined the relationship between cartilage degeneration in the patellofemoral joint and mobility after ACLR. The present study investigated 1) the coronal mobility of the patella after ACLR, 2) the relationship between patellar mobility and cartilage degeneration of the patellofemoral joint, and 3) the relationship between patellar mobility and knee joint function after ACLR...
November 2017: Nagoya Journal of Medical Science
https://www.readbyqxmd.com/read/29233163/intra-articular-injection-of-expanded-autologous-bone-marrow-mesenchymal-cells-in-moderate-and-severe-knee-osteoarthritis-is-safe-a-phase-i-ii-study
#14
Mahasen Al-Najar, Hiba Khalil, Jihad Al-Ajlouni, Eman Al-Antary, Mohammad Hamdan, Reem Rahmeh, Dana Alhattab, Osama Samara, Mohamad Yasin, Amenah Al Abdullah, Esraa Al-Jabbari, Dima Hmaid, Hanan Jafar, Abdalla Awidi
BACKGROUND: Knee osteoarthritis (KOA) is a major health problem especially in the aging population. There is a need for safe treatment that restores the cartilage and reduces the symptoms. The use of stem cells is emerging as a possible option for the moderate and severe cases. This study aimed at testing the safety of autologous bone marrow mesenchymal stem cells (BM-MSCs) expanded in vitro when given intra-articularly to patients with stage II and III KOA. As a secondary end point, the study tested the ability of these cells to relieve symptoms and restore the knee cartilage in these patients as judged by normalized knee injury and Osteoarthritis Outcome Score (KOOS) and by magnetic resonance imaging (MRI)...
December 12, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/29227373/incidence-of-meniscal-entrapment-and-associated-knee-injuries-in-tibial-spine-avulsions
#15
Jason T Rhodes, Peter C Cannamela, Aristides I Cruz, Meredith Mayo, Alexandra C Styhl, Connor G Richmond, Theodore J Ganley, Kevin G Shea
BACKGROUND: Tibial spine avulsions (TSA) have historically been treated as isolated injuries. Data on associated injuries are limited with existing literature reporting wide ranging incidences. The purpose of this multicenter study was to (1) describe the incidence of meniscal entrapment and associated knee injuries in TSA and to (2) compare surgical and magnetic resonance image (MRI) findings for these injuries. Our hypothesis is that tibial spine injuries are not usually isolated injuries, and other meniscal, ligament, and cartilage injuries may be present...
December 8, 2017: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/29225159/histopathology-of-periarticular-non-hereditary-heterotopic-ossification
#16
REVIEW
Kristin L Foley, Nader Hebela, Mary Ann Keenan, Robert J Pignolo
In the mature adult skeleton, new bone formation is normally restricted to regeneration of osseous tissue at sites of fracture. However, heterotopic ossification, or the formation of bone outside the normal skeleton, can occur within muscle, adipose, or fibrous connective tissue. Periarticular non-hereditary heterotopic ossification (NHHO) may occur after musculoskeletal trauma, following CNS injury, with certain arthropathies, or following injury or surgery that is often sustained in the context of age-related pathology...
December 7, 2017: Bone
https://www.readbyqxmd.com/read/29225019/primary-versus-revision-anterior-cruciate-ligament-reconstruction-patient-demographics-radiographic-findings-and-associated-lesions
#17
Justin J Mitchell, Mark E Cinque, Grant J Dornan, Lauren M Matheny, Chase S Dean, Brad Kruckeberg, Gilbert Moatshe, Jorge Chahla, Robert F LaPrade
PURPOSE: The purpose of this study was to evaluate the differences in intra-articular pathology, demographic characteristics, and radiographic characteristics of the knee associated with primary anterior cruciate ligament reconstruction (ACLR) versus revision ACLR at the time of initial presentation with either a native anterior cruciate ligament tear or an anterior cruciate ligament graft tear. Secondarily, we aimed to investigate risk factors for concomitant medial and lateral meniscal tears and cartilage injuries at the time of ACLR...
December 7, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29225015/symptomatic-focal-knee-chondral-injuries-in-national-football-league-combine-players-are-associated-with-poorer-performance-and-less-volume-of-play
#18
Matthew T Provencher, Jorge Chahla, Mark E Cinque, George Sanchez, Nicholas I Kennedy, Daniel B Haber, Ashley J Tisosky, Brendin R Beaulieu-Jones, Mark D Price, James M Whalen, Gilbert Moatshe, Robert F LaPrade
PURPOSE: To (1) describe the magnetic resonance imaging (MRI) characteristics of knee chondral injuries identified at the National Football League (NFL) Combine and (2) assess in-game performance of prospective NFL players with previously untreated knee chondral injuries and compare it with matched controls. METHODS: All players with knee chondral injuries identified at the NFL Combine (2009-2015) were retrospectively reviewed. Players with prior knee surgery were excluded...
December 7, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29221902/a-comparison-of-patellofemoral-cartilage-morphology-and-deformation-in-anterior-cruciate-ligament-deficient-versus-uninjured-knees
#19
Kwadwo A Owusu-Akyaw, Lauren N Heckelman, Hattie C Cutcliffe, E Grant Sutter, Zoë A Englander, Charles E Spritzer, William E Garrett, Louis E DeFrate
Anterior cruciate ligament (ACL) deficient patients have an increased rate of patellofemoral joint (PFJ) osteoarthritis (OA) as compared to the general population. Although the cause of post-injury OA is multi-factorial, alterations in joint biomechanics may predispose patients to cartilage degeneration. This study aimed to compare in vivo PFJ morphology and mechanics between ACL deficient and intact knees in subjects with unilateral ACL ruptures. Eight male subjects underwent baseline MRI scans of both knees...
November 27, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/29209793/degenerative-changes-after-posterior-cruciate-ligament-reconstruction-are-irrespective-of-posterior-knee-stability-mri-based-long-term-results
#20
Clemens Gwinner, Andreas Weiler, Timm Denecke, Julian M M Rogasch, Heide Boeth, Tobias M Jung
INTRODUCTION: Posterior cruciate ligament reconstruction (PCLR) is advocated to prevent an early onset of osteoarthritis. We hypothesized that posterior instability after PCLR correlates with degenerative changes. MATERIALS AND METHODS: MRIs of 42 (12 female/30 male; 39 ± 9 years) patients were enrolled with a minimum 5-year follow-up (FFU) after PCLR. In addition, 25 contralateral and 15 follow-up MRIs (12 months after baseline) were performed. Degenerative changes were graded using WORMS...
December 6, 2017: Archives of Orthopaedic and Trauma Surgery
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