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https://www.readbyqxmd.com/read/28425303/a-retrospective-study-assessing-safety-and-efficacy-of-bipolar-radiofrequency-ablation-for-knee-chondral-lesions
#1
Monther Gharaibeh, Andras Szomor, Darren B Chen, Samuel J MacDessi
OBJECTIVE: Bipolar radiofrequency (bRF) ablation is gaining popularity as a treatment modality for unstable knee chondral lesions of the knee. Limited reports of osteonecrosis and chondrolysis have been published; however, there is little data examining the safety of this treatment in larger series. This study aims to evaluate the safety and efficacy of bRF in the treatment of chondral lesions encountered during knee arthroscopy. DESIGN: A retrospective evaluation of adverse outcomes in patients that underwent treatment of chondral lesions using bRF was undertaken...
April 1, 2017: Cartilage
https://www.readbyqxmd.com/read/28425031/the-cytokine-expression-in-synovial-membrane-and-the-relationship-with-pain-and-pathological-findings-at-hip-arthroscopy
#2
Kensuke Fukushima, Gen Inoue, Hisako Fujimaki, Kentaro Uchida, Masayuki Miyagi, Naoshige Nagura, Katsufumi Uchiyama, Naonobu Takahira, Masashi Takaso
BACKGROUND: Synovial membrane inflammation is the most common finding presenting during hip arthroscopy, and may play a role in hip pain. We sought to determine the relationships between synovial cytokine levels, hip pain, and arthroscopic findings of the hip joint. METHODS: We prospectively included 33 patients who underwent arthroscopic hip surgery (34 hips). For all patients, radiographs and severity of pain were evaluated preoperatively. During arthroscopy, we classified the chondral injury and synovitis, noted the incidence of labral tear and its instability, and a sample of the synovial membrane was harvested for quantitative PCR to determine levels of TNFα, IL1β, IL6, ADAMTS4, MMP1, and MMP3...
December 2017: Journal of Experimental Orthopaedics
https://www.readbyqxmd.com/read/28423287/microfracture-versus-autologous-chondrocyte-implantation-for-articular-cartilage-lesions-in-the-knee-a-systematic-review-of-5-year-outcomes
#3
Matthew J Kraeutler, John W Belk, Justin M Purcell, Eric C McCarty
BACKGROUND: Microfracture (MFx) and autologous chondrocyte implantation (ACI) are 2 surgical treatment options used to treat articular cartilage injuries of the knee joint. PURPOSE: To compare the midterm to long-term clinical outcomes of MFx versus ACI for focal chondral defects of the knee. STUDY DESIGN: Systematic review. METHODS: A systematic review was performed by searching PubMed, the Cochrane Library, and Embase to locate studies (level of evidence I-III) comparing the minimum average 5-year clinical outcomes of patients undergoing MFx versus ACI...
April 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28419816/high-rate-of-osteoarthritis-after-osteochondritis-dissecans-fragment-excision-compared-with-surgical-restoration-at-a-mean-16-year-follow-up
#4
Thomas L Sanders, Ayoosh Pareek, Mitchel R Obey, Nicholas R Johnson, James L Carey, Michael J Stuart, Aaron J Krych
BACKGROUND: Osteochondritis dissecans (OCD) is a disorder of subchondral bone that causes adverse effects on the overlying cartilage and commonly affects the knee. The incidence of OCD and its long-term effect on the knee joint are controversial. Hypothesis/Purpose: The purpose of this study was to (1) evaluate the rate of osteoarthritis and knee arthroplasty in a population-based cohort of patients with OCD lesions treated operatively and (2) evaluate factors that may predispose patients to knee osteoarthritis and arthroplasty...
April 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28419804/simultaneous-reconstruction-of-the-medial-and-lateral-collateral-ligaments-for-chronic-combined-ligament-injuries-of-the-ankle
#5
Toshito Yasuda, Hiroaki Shima, Katsunori Mori, Seiya Tsujinaka, Masashi Neo
BACKGROUND: Objective data on chronic injuries of the medial collateral ligament (MCL) of the ankle are scarce. Chronic MCL injuries are frequently associated with lateral collateral ligament (LCL) injuries. For patients with chronic combined MCL and LCL injuries, the authors have performed simultaneous surgery of the 2 ligaments. HYPOTHESIS: Simultaneous surgery of the 2 ligaments may be effectively used to treat chronic combined MCL and LCL injuries. STUDY DESIGN: Case series; Level of evidence, 4...
April 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28412060/minimum-2-year-outcomes-of-arthroscopic-management-of-symptomatic-hip-labrum-tears-in-patients-with-global-acetabular-overcoverage
#6
Sivashankar Chandrasekaran, Nader Darwish, Mary R Close, Carlos Suarez-Ahedo, Parth Lodhia, Benjamin G Domb
PURPOSE: To report minimum 2-year patient-reported outcomes (PROs) after hip arthroscopy (HA) for symptomatic labral tears in patients with global acetabular overcoverage. METHODS: This study was a retrospective case series of patients who underwent HA from April 2008 to April 2013. The inclusion criteria were patients with global acetabular overcoverage, defined as a lateral center-edge angle greater than 40°, and with coxa profunda, defined radiologically by the ilioischial line lateral to the acetabular floor...
April 12, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28410782/posterior-arthroscopic-tibiotalar-arthrodesis-anatomic-feasibility-study
#7
Louis Malekpour, Said Rahali, Damien Potage, Fabrice Duparc, Franck Dujardin, Xavier Roussignol
Anterior arthroscopic tibiotalar arthrodesis has been well codified. A posterior approach with the patient in prone position is indicated when the anterior approach is precluded by soft tissue issues or for a 1-step procedure associated with posterior subtalar fusion. In an anatomic study, we assessed the feasibility of posterior arthroscopic tibiotalar fusion and sought to determine the arthroscopy entry points, mortise cartilage freshening quality, and risk of osseous, tendinous, vascular, and neural complications...
April 11, 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28409110/anatomic-humeral-head-reconstruction-with-fresh-osteochondral-talus-allograft-for-recurrent-glenohumeral-instability-with-reverse-hill-sachs-lesion
#8
Matthew T Provencher, George Sanchez, Katrina Schantz, Marcio Ferrari, Anthony Sanchez, Salvatore Frangiamore, Sandeep Mannava
The treatment of recurrent glenohumeral instability, especially with a concomitant bony lesion, remains challenging. This is especially true in the case of posterior instability given its less common incidence. Moreover, the presence of an engaging reverse Hill-Sachs lesion in combination with posterior instability will result in the need for a more aggressive treatment option. In comparison with a Hill-Sachs lesion, a reverse Hill-Sachs lesion features greater chondral deficiency that must be addressed during treatment...
February 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28409101/microdrilling-surgery-augmented-with-intra-articular-bone-marrow-aspirate-concentrate-platelet-rich-plasma-and-hyaluronic-acid-a-technique-for-cartilage-repair-in-the-knee
#9
Joseph E Broyles, M Adaire O'Brien, M Patrick Stagg
The ideal treatment of large full-thickness chondral lesions in the knee, especially "kissing lesions" and osteoarthritis, has not been determined. Microdrilling surgery augmented with injections of peripheral blood stem cells and hyaluronic acid has been used to treat patients with a wide range of articular cartilage disease including patients with bipolar lesions and joint space narrowing. Excellent results in this difficult patient population have been reported, and second-look biopsy has shown repair tissue very similar to native hyaline cartilage...
February 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28409100/arthroscopic-technique-for-treatment-of-schatzker-type-iii-tibia-plateau-fractures-without-fluoroscopy
#10
Afsar T Ozkut, Oguz S Poyanli, Ersin Ercin, Kaya Akan, Irfan Esenkaya
Accurate reduction and maintenance of the stability with correct implant positioning is critical for surgical treatment of tibial plateau fractures. Our technique includes an arthroscopic reduction and fixation of Schatzker type III tibial plateau fractures with a bulls-eye screw placement without fluoroscopy control. With the arthroscopic guidance, an anterior cruciate ligament drill guide is placed and a K-wire sent to the midpoint of the depressed fragment through the guide at a 40° angle to the coronal axis of the tibia...
February 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28400662/early-anterior-cruciate-ligament-reconstruction-can-save-meniscus-without-any-complications
#11
Chang-Ik Hur, Eun-Kyoo Song, Sung-Kyu Kim, Seung-Hun Lee, Jong-Keun Seon
BACKGROUND: Early ACL reconstruction, before retuning to activity eliminates recurrent episodes of instability and thereby decreases chances of meniscal and cartilage injury. However, there are no clear and uniform guidelines regarding the timing of ACL reconstruction or clarity in the definition of early and delayed reconstruction to reduce the complications after reconstruction in the ACL injured knee. The purpose of this study was to compare the clinical outcome, stability, muscle power, and postural control after early and delayed anterior cruciate ligament (ACL) reconstruction...
March 2017: Indian Journal of Orthopaedics
https://www.readbyqxmd.com/read/28399641/optimization-of-degradation-profile-for-new-scaffold-in-cartilage-repair
#12
Sarav S Shah, Haixiang Liang, Sandeep Pandit, Zalak Parikh, John A Schwartz, Todd Goldstein, Lawrence P Lavelle, Arindam Datta, Daniel A Grande
Objective To establish whether a novel biomaterial scaffold with tunable degradation profile will aid in cartilage repair of chondral defects versus microfracture alone in vitro and in a rat model in vivo. Design In vitro-Short- and long-term degradation scaffolds were seeded with culture expanded articular chondrocytes or bone marrow mesenchymal stem cells. Cell growth and differentiation were evaluated with cell morphological studies and gene expression studies. In vivo-A microfracture rat model was used in this study to evaluate the repair of cartilage and subchondral bone with the contralateral knee serving as the empty control...
April 1, 2017: Cartilage
https://www.readbyqxmd.com/read/28397530/comparison-of-fixation-techniques-of-3d-woven-poly-%C3%AF%C2%B5-caprolactone-scaffolds-for-cartilage-repair-in-a-weightbearing-porcine-large-animal-model
#13
James M Friedman, Mackenzie L Sennett, Marcelo B Bonadio, Kerry O Orji, Alexander L Neuwirth, Niobra Keah, James L Carey, Franklin T Moutos, Bradley T Estes, Farshid Guilak, Henning Madry, Robert L Mauck, George R Dodge
Objective To test different fixation methods of a 3-dimensionally woven poly(ϵ-caprolactone) (PCL) scaffold within chondral defects of a weightbearing large animal model. Methods Full thickness chondral defects were made in the femoral condyles of 15 adult male Yucatan mini-pigs. Two surgical approaches were compared including total arthrotomy (traditional) and a retinaculum-sparing, minimally invasive surgery (MIS) approach. Following microfracture (MFX), scaffolds were placed without fixation or were fixed with fibrin glue, suture, or subchondral anchor...
April 1, 2017: Cartilage
https://www.readbyqxmd.com/read/28385941/patients-undergoing-surgical-hip-dislocation-for-the-treatment-of-acetabular-fractures-show-favourable-long-term-outcome
#14
P C Haefeli, G S Marecek, M J B Keel, K A Siebenrock, M Tannast
AIMS: The aims of this study were to determine the cumulative ten-year survivorship of hips treated for acetabular fractures using surgical hip dislocation and to identify factors predictive of an unfavourable outcome. PATIENTS AND METHODS: We followed up 60 consecutive patients (61 hips; mean age 36.3 years, standard deviation (sd) 15) who underwent open reduction and internal fixation for a displaced fracture of the acetabulum (24 posterior wall, 18 transverse and posterior wall, ten transverse, and nine others) with a mean follow-up of 12...
April 2017: Bone & Joint Journal
https://www.readbyqxmd.com/read/28383764/risk-factors-for-radiographic-joint-space-narrowing-and-patient-reported-outcomes-of-post-traumatic-osteoarthritis-after-acl-reconstruction-data-from-the-moon-cohort
#15
Morgan H Jones, Kurt P Spindler
The Multicenter Orthopaedic Outcomes Network (MOON) is an NIH-funded prospective, longitudinal cohort of over 3500 patients who have undergone anterior cruciate ligament reconstruction (ACLR) by 14 sports medicine surgeons at 7 academic medical centers. Patient reported outcome questionnaires (PRO's) are completed at baseline and multiple timepoints after surgery, and a nested cohort of patients return for radiographs to assess the development of joint space changes. We review the risk factors for worse patient reported outcomes, the predictors of clinically significant symptoms of post-traumatic osteoarthritis (PTOA), and the factors associated with more radiographic joint space narrowing...
April 6, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/28347978/intra-articular-implantation-of-collagen-scaffold-carriers-is-safe-in-both-native-and-arthrofibrotic-rabbit-knee-joints
#16
J A Walker, T J Ewald, E Lewallen, A Van Wijnen, A D Hanssen, B F Morrey, M E Morrey, M P Abdel, J Sanchez-Sotelo
OBJECTIVES: Sustained intra-articular delivery of pharmacological agents is an attractive modality but requires use of a safe carrier that would not induce cartilage damage or fibrosis. Collagen scaffolds are widely available and could be used intra-articularly, but no investigation has looked at the safety of collagen scaffolds within synovial joints. The aim of this study was to determine the safety of collagen scaffold implantation in a validated in vivo animal model of knee arthrofibrosis...
March 2017: Bone & Joint Research
https://www.readbyqxmd.com/read/28345610/early-loss-of-subchondral-bone-following-microfracture-is-counteracted-by-bone-marrow-aspirate-in-a-translational-model-of-osteochondral-repair
#17
Liang Gao, Patrick Orth, Kathrin Müller-Brandt, Lars K H Goebel, Magali Cucchiarini, Henning Madry
Microfracture of cartilage defects may induce alterations of the subchondral bone in the mid- and long-term, yet very little is known about their onset. Possibly, these changes may be avoided by an enhanced microfracture technique with additional application of bone marrow aspirate. In this study, full-thickness chondral defects in the knee joints of minipigs were either treated with (1) debridement down to the subchondral bone plate alone, (2) debridement with microfracture, or (3) microfracture with additional application of bone marrow aspirate...
March 27, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28345408/autologous-chondrocyte-implantation-to-isolated-patella-cartilage-defects
#18
Arvind von Keudell, Roger Han, Tim Bryant, Tom Minas
Background Autologous chondrocyte implantation (ACI) is a durable treatment for patients with chondral defects. This study presents the comprehensive evaluation of patients with patella defects treated with ACI at medium- to long-term follow-up. Methods Thirty consecutive patients with isolated chondral lesions of the patella were enrolled prospectively. Primary outcome measures were validated patient reported outcome measures and objective magnetic resonance imaging. Results Nineteen of 30 patients underwent tibial tubercle osteotomy (TTO) to correct lateral maltracking in combination with soft tissue balancing...
April 2017: Cartilage
https://www.readbyqxmd.com/read/28345406/evaluation-of-the-quality-accuracy-and-readability-of-online-patient-resources-for-the-management-of-articular-cartilage-defects
#19
Dean Wang, Rohit G Jayakar, Natalie L Leong, Michael P Leathers, Riley J Williams, Kristofer J Jones
Objective Patients commonly use the Internet to obtain their health-related information. The purpose of this study was to investigate the quality, accuracy, and readability of online patient resources for the management of articular cartilage defects. Design Three search terms ("cartilage defect," "cartilage damage," "cartilage injury") were entered into 3 Internet search engines (Google, Bing, Yahoo). The first 25 websites from each search were collected and reviewed. The quality and accuracy of online information were independently evaluated by 3 reviewers using predetermined scoring criteria...
April 2017: Cartilage
https://www.readbyqxmd.com/read/28324152/good-clinical-results-with-autologous-matrix-induced-chondrogenesis-amic-technique-in-large-knee-chondral-defects
#20
Alfredo Schiavone Panni, Chiara Del Regno, Giuseppe Mazzitelli, Rocco D'Apolito, Katia Corona, Michele Vasso
PURPOSE: Autologous matrix-induced chondrogenesis (AMIC) is a treatment for focal full-thickness cartilage defects combining microfracturing with an exogenous I/III collagen matrix (Chondro-Gide). The aim of the present study was to determine the 7 years outcomes of patients treated with the AMIC technique for knee chondral defects larger than 2 cm(2). The hypothesis was that the positive short-term outcomes achieved in the previous series would not deteriorate at a 7-year follow-up...
March 21, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
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