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https://www.readbyqxmd.com/read/28816906/comparison-of-liposomal-bupivacaine-with-bupivicaine-pain-pump-in-tka-patients-commentary-on-an-article-by-eric-b-smith-md-et-al-periarticular-liposomal-bupivacaine-injection-versus-intra-articular-bupivacaine-infusion-catheter-for-analgesia-after-total-knee
#1
https://www.readbyqxmd.com/read/28816893/periarticular-liposomal-bupivacaine-injection-versus-intra-articular-bupivacaine-infusion-catheter-for-analgesia-after-total-knee-arthroplasty-a-double-blinded-randomized-controlled-trial
#2
Eric B Smith, Gregory S Kazarian, Mitchell G Maltenfort, Jess H Lonner, Peter F Sharkey, Robert P Good
BACKGROUND: Intra-articular bupivacaine hydrochloride (HCl) infusion catheters and periarticular injections of liposomal bupivacaine are often used as postoperative local anesthetics. The purpose of this study was to compare the efficacies of these local anesthetics following total knee arthroplasty. METHODS: This study was a superiority trial with a randomized, controlled, double-blinded design. Patients were randomly assigned to either delivery of bupivacaine HCl by the ON-Q* Pain Relief System pump (n = 96) or by an injection of Exparel (liposomal bupivacaine) (n = 104)...
August 16, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28816784/images-in-anesthesiology-ultrasound-guided-intraarticular-knee-injection
#3
Neda Sadeghi, Amanda Kumar, James Kim, Joshua Dooley
No abstract text is available yet for this article.
September 2017: Anesthesiology
https://www.readbyqxmd.com/read/28815373/autologous-nasal-chondrocytes-delivered-by-injectable-hydrogel-for-in-vivo-articular-cartilage-regeneration
#4
Wenliang Chen, Changhua Li, Maoxiu Peng, Bingju Xie, Lei Zhang, Xiaojun Tang
Cell based tissue engineering serves as a promising strategy for articular cartilage repair, which remains a challenge both for researchers and clinicians. The aim of this research was to assess the potential of autologous nasal chondrocytes (NCs) combined with alginate hydrogel as injectable constructs for rabbit articular cartilage repair. Autologous nasal chondrocytes were isolated from rabbit nasal septum, expanded either on monolayer or in 3D alginate hydrogel. In vitro, DNA quantification revealed that NCs can proliferate stable in 3D alginate matrix, but slower than that cultured in monolayer...
August 16, 2017: Cell and Tissue Banking
https://www.readbyqxmd.com/read/28815179/interleukin-17-can-induce-osteoarthritis-in-rabbit-knee-joints-similar-to-hulth-s-method
#5
Zili Wang, Chenhuang Zheng, Yunbin Zhong, Jinshen He, Xu Cao, Hansong Xia, Hongliang Ba, Pei Li, Song Wu, Cheng Peng
Interleukin-17 (IL-17) is closely related to osteoarthritis (OA), but animal studies that employ IL-17 to induce OA are currently lacking. Therefore, this study evaluated the effect of IL-17 in the rabbit knee joint. The right knees served as the control group. The left knees were divided randomly into 4 groups: a Hulth group and 3 IL-17 groups (1-ng, 10-ng, and 50-ng groups). OA was induced in the Hulth group using Hulth's method. The IL-17 groups were injected with 1, 10, or 50 ng of IL-17 as indicated. Specimens were collected at 72 h, 1 week, 3 weeks, 6 weeks, and 12 weeks after surgery or the last injection...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28814056/design-of-a-lightweight-tethered-torque-controlled-knee-exoskeleton
#6
Kirby Ann Witte, Andreas M Fatschel, Steven H Collins
Lower-limb exoskeletons show promise for improving gait rehabilitation for those with chronic gait abnormalities due to injury, stroke or other illness. We designed and built a tethered knee exoskeleton with a strong lightweight frame and comfortable, four-point contact with the leg. The device is structurally compliant in select directions, instrumented to measure joint angle and applied torque, and is lightweight (0.76 kg). The exoskeleton is actuated by two off-board motors. Closed loop torque control is achieved using classical proportional feedback control with damping injection in conjunction with iterative learning...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28811109/the-risk-of-acute-infection-following-intra-articular-corticosteroid-injection-into-a-pre-existing-total-knee-arthroplasty
#7
Emily S Mills, Michael B Elman, Jared R H Foran
BACKGROUND: No previous studies have investigated the risk of infection following intra-articular corticosteroid injection (IACI) into a pre-existing total knee arthroplasty (TKA). The aim of this study is to determine the risk of acute infection following IACI into a pre-existing TKA. METHODS: A retrospective chart review identified all patients at a single institution between October 2009 and May 2015 that had an ipsilateral knee injection subsequent to a TKA...
July 25, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28811107/local-efficacy-of-periarticular-morphine-injection-in-simultaneous-bilateral-total-knee-arthroplasty-a-prospective-randomized-double-blind-trial
#8
Kentaro Iwakiri, Yoichi Ohta, Akio Kobayashi, Yukihide Minoda, Hiroaki Nakamura
BACKGROUND: The periarticular multimodal cocktail injection including morphine is currently commonly used to reduce postoperative pain following total knee arthroplasty (TKA). Despite its analgesic effect, it frequently causes nausea, which is an adverse effect of opioids. It is inconclusive whether the intraoperative injection of periarticular morphine is effective peripherally. The aim of this study was to assess whether the addition of morphine to unilateral periarticular knee injections improves postoperative pain, range of motion, and swelling in patients undergoing simultaneous bilateral TKA...
July 21, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28810851/chitosan-in-viscosupplementation-in-vivo-effect-on-rabbit-subchondral-bone
#9
R Rieger, C Boulocher, S Kaderli, T Hoc
BACKGROUND: To investigate the effect of intra-articular injection of Chitosan (Cs) added to hyaluronic acid (HA) on subchondral bone during osteoarthritis (OA), microarchitectural parameters and mineral density were measured in a rabbit model of early OA. A novel hybrid hydrogel adding reacetylated Cs of fungal origin to HA was compared to high molecular weight HA commercial formulation. METHOD: Eighteen rabbits underwent unilateral anterior cruciate ligament transection (ACLT) and were divided into three groups (Saline-group, HA-group and Hybrid-group) depending on the intra-articular injection compound...
August 15, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28807034/exosomes-from-embryonic-mesenchymal-stem-cells-alleviate-osteoarthritis-through-balancing-synthesis-and-degradation-of-cartilage-extracellular-matrix
#10
Yafei Wang, Dongsheng Yu, Zhiming Liu, Fang Zhou, Jun Dai, Bingbing Wu, Jing Zhou, Boon Chin Heng, Xiao Hui Zou, Hongwei Ouyang, Hua Liu
BACKGROUND: Mesenchymal stem cell therapy for osteoarthritis (OA) has been widely investigated, but the mechanisms are still unclear. Exosomes that serve as carriers of genetic information have been implicated in many diseases and are known to participate in many physiological processes. Here, we investigate the therapeutic potential of exosomes from human embryonic stem cell-induced mesenchymal stem cells (ESC-MSCs) in alleviating osteoarthritis (OA). METHODS: Exosomes were harvested from conditioned culture media of ESC-MSCs by a sequential centrifugation process...
August 14, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28803211/melatonin-protects-chondrocytes-from-impairment-induced-by-glucocorticoids-via-nad-dependent-sirt1
#11
Wei Yang, Xiaomin Kang, Na Qin, Feng Li, Xinxin Jin, Zhengmin Ma, Zhuang Qian, Shufang Wu
Intra-articular injection of glucocorticoids is used to relieve pain and inflammation in osteoarthritis patients, which is occasionally accompanied with the serious side effects of glucocorticoids in collagen-producing tissue. Melatonin is the major hormone released from the pineal gland and its beneficial effects on cartilage has been suggested. In the present study, we investigated the protective role of melatonin on matrix degeneration in chondrocytes induced by dexamethasone (Dex). The chondrocytes isolated from mice knee joint were treated with Dex, melatonin, EX527 and siRNA targeted for SIRT6, respectively...
August 9, 2017: Steroids
https://www.readbyqxmd.com/read/28798878/treatment-of-knee-osteochondral-lesions-using-a-novel-clot-of-autologous-plasma-rich-in-growth-factors-mixed-with-healthy-hyaline-cartilage-chips-and-intra-articular-injection-of-prgf
#12
Ramón Cugat, Eduard Alentorn-Geli, Gilbert Steinbacher, Pedro Álvarez-Díaz, Xavier Cuscó, Roberto Seijas, David Barastegui, Jordi Navarro, Patricia Laiz, Montserrat García-Balletbó
Knee cartilage or osteochondral lesions are common and challenging injuries. To date, most symptomatic lesions warrant surgical treatment. We present two cases of patients with knee osteochondral defects treated with a one-step surgical procedure consisting of an autologous-based matrix composed of healthy hyaline cartilage chips, mixed plasma poor-rich in platelets clot, and plasma rich in growth factors (PRGF). Both patients returned to playing soccer at the preinjury activity level and demonstrated excellent defect filling in both magnetic resonance imaging and second-look arthroscopy (in one of them)...
2017: Case Reports in Orthopedics
https://www.readbyqxmd.com/read/28794657/repeated-administration-of-mazindol-reduces-spontaneous-pain-related-behaviors-without-modifying-bone-density-and-microarchitecture-in-a-mouse-model-of-complete-freund-s-adjuvant-induced-knee-arthritis
#13
L E Robledo-González, A Martínez-Martínez, V M Vargas-Muñoz, R I Acosta-González, R Plancarte-Sánchez, M Anaya-Reyes, C Fernández Del Valle-Laisequilla, J G Reyes-García, J M Jiménez-Andrade
BACKGROUND: The role of dopaminergic system in the development of rheumatoid arthritis-related pain, a major symptom in this disease, has not been explored. Therefore, the anti-nociceptive effect of mazindol, a dopamine uptake inhibitor, was evaluated in a model of complete Freund's adjuvant (CFA)-induced arthritis. Furthermore, as studies have shown that the dopaminergic system regulates bone metabolism, the effect of mazindol on bone mass and microarchitecture was determined. METHODS: Adult ICR male mice received intra-articular injections of either CFA or saline into the right knee joint every week...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/28791808/a-randomized-blinded-comparative-study-of-clinical-response-to-surface-anatomy-guided-injection-versus-sonography-guided-injection-of-hyaloronic-acid-in-patients-with-primary-knee-osteoarthritis
#14
Nahid Kianmehr, Atefeh Hasanzadeh, Farrokh Naderi, Sholeh Khajoei, Anousheh Haghighi
BACKGROUND AND AIM: Comparison between the effect of sonographic guided and blind knee injection of hyaluronic acid has been evaluated in this study. METHODS AND MATERIALS: Sixty-one patients with primary knee osteoarthritis were randomly allocated into two groups and received intrabursal injection of hyaloronic acid over 3 weeks. The difference between baseline amounts of Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC), Knee Injury and Osteoarthritis Outcome Score and visual analogue scale (VAS) score and these amounts after 6 and 12 weeks were calculated and subsequently compared between the two groups...
August 9, 2017: International Journal of Rheumatic Diseases
https://www.readbyqxmd.com/read/28781725/the-impact-of-synovial-nf-%C3%AE%C2%BAb-activation-on-apoptosis-pattern-change-during-adjuvant-induced-inflammation
#15
Sahar Golabi, Jalal Zaringhalam, Homa Manaheji
INTRODUCTION: Apoptosis dysregulation plays a substantial role in the pathophysiology of chronic inflammation and its related symptoms such as edema. Regulation of NF-κB activation is involved in apoptosis pattern change. The current study aimed at verifying the effects of local inflammation on edema and changes in apoptotic markers, and investigating the possible role of NF-κB in apoptosis pattern change during different stages of complete Freund's adjuvant (CFA)-induced knee arthritis in rats...
May 2017: Basic and Clinical Neuroscience
https://www.readbyqxmd.com/read/28781020/comparative-effectiveness-of-intra-articular-hyaluronic-acid-and-corticosteroid-injections-on-the-time-to-surgical-knee-procedures
#16
Anand R Shewale, C Lowry Barnes, Lori A Fischbach, Songthip T Ounpraseuth, Jacob T Painter, Bradley C Martin
BACKGROUND: Use of intra-articular hyaluronic acid (HA) injections to manage knee osteoarthritis (OA) remains controversial because of weak and conflicting evidence. The objective was to evaluate the effectiveness of intra-articular HA injections for knee OA management. METHODS: A nested cohort of persons with knee OA seeing a specialist was created using a 10% random sample of LifeLink Plus claims (2010-2015) to compare the risk of composite (any) knee surgical interventions, total (TKA)/unicompartmental knee arthroplasty (UKA) and TKA only among HA users and 2 comparison groups: corticosteroid (CS) users and HA/CS nonusers...
July 14, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28780771/low-molecular-weight-heparin-for-prevention-of-venous-thromboembolism-in-patients-with-lower-limb-immobilization
#17
REVIEW
Aniek Ag Zee, Kelly van Lieshout, Maaike van der Heide, Loes Janssen, Heinrich Mj Janzing
BACKGROUND: Immobilization of the lower limb is a risk factor for venous thromboembolism (VTE). Low molecular weight heparins (LMWHs) are anticoagulants, which might be used in adult patients with lower-limb immobilization to prevent deep venous thrombosis (DVT) and its complications. This is an update of the review first published in 2008. OBJECTIVES: To assess the effectiveness of low molecular weight heparin for the prevention of venous thromboembolism in patients with lower-limb immobilization in an ambulatory setting...
August 6, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28772237/low-intensity-laser-therapy-efficacy-evaluation-in-mice-subjected-to-acute-arthritis-condition
#18
Bianca F Trawitzki, Lothar Lilge, Fellipe A T de Figueiredo, Ana Paula Macedo, João Paulo M Issa
Acute arthritis is an inflammation that affects many joints. The principal treatment options comprise drugs (corticosteroids), invasive and painful surgery. The objective of this study was to evaluate the efficacy of low intensity laser therapy (LILT), a non-invasive treatment, in a murine model of acute inflammation model. 48 mice received a synovial injection of Zymosan A into one knee. Mice were treated with LILT by three different wavelengths, either as a single (S) or dual (D) application immediately after the injury or after 24h following initiation of an inflammatory response...
July 26, 2017: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/28768528/safety-tolerability-clinical-and-joint-structural-outcomes-of-a-single-intra-articular-injection-of-allogeneic-mesenchymal-precursor-cells-in-patients-following-anterior-cruciate-ligament-reconstruction-a-controlled-double-blind-randomised-trial
#19
Yuanyuan Wang, Andrew Shimmin, Peter Ghosh, Paul Marks, James Linklater, David Connell, Stephen Hall, Donna Skerrett, Silviu Itescu, Flavia M Cicuttini
BACKGROUND: Few clinical trials have investigated the safety and efficacy of mesenchymal stem cells for the management of post-traumatic osteoarthritis. The objectives of this pilot study were to determine the safety and tolerability and to explore the efficacy of a single intra-articular injection of allogeneic human mesenchymal precursor cells (MPCs) to improve clinical symptoms and retard joint structural deterioration over 24 months in patients following anterior cruciate ligament (ACL) reconstruction...
August 2, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/28762203/power-color-doppler-and-spectral-doppler-ultrasonography-to-evaluate-response-to-intra-articular-steroid-injection-in-knee-joints-in-juvenile-idiopathic-arthritis
#20
Tapas Baikar, Amieleena Chhabra, Tribhuvan Pal Yadav, Namrita Sachdev, Vivek Dewan
OBJECTIVE: To evaluate the role of ultrasonographic indices (Color Fraction and Resistive Index) in assessing the effect of intra-articular steroid (IAS) injection on synovial inflammation in knee joints of Juvenile Idiopathic Arthritis (JIA) patients and to determine the correlation between these ultrasonographic indices and clinical and laboratory parameters in JIA patients after IAS. METHODS: Twenty seven patients of JIA and equal number of age and sex matched healthy controls were enrolled...
July 31, 2017: Indian Journal of Pediatrics
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