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https://www.readbyqxmd.com/read/28814002/joint-based-velocity-feedback-to-virtual-limb-dynamic-perturbations
#1
Eric J Earley, Kyle J Kaveny, Reva E Johnson, Levi J Hargrove, Jon W Sensinger
Despite significant research developing myoelectric prosthesis controllers, many amputees have difficulty controlling their devices due in part to reduced sensory feedback. Many attempts at providing supplemental sensory feedback have not significantly aided control. We hypothesize this is because the feedback provided contains redundant information already provided by vision. However, whereas vision provides egocentric, position-based feedback, sensory feedback tied to joint coordinates may provide information complementary to vision...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28810691/improvement-of-implantation-potential-in-mouse-blastocysts-derived-from-ivf-by-combined-treatment-with-prolactin-epidermal-growth-factor-and-4-hydroxyestradiol
#2
Miki Takeuchi, Misato Seki, Etsuko Furukawa, Akihito Takahashi, Kyosuke Saito, Mitsuru Kobayashi, Kenji Ezoe, Emiko Fukui, Midori Yoshizawa, Hiromichi Matsumoto
STUDY QUESTION: Can supplementation of medium with prolactin (PRL), epidermal growth factor (EGF) and 4-hydroxyestradiol (4-OH-E2) prior to embryo transfer improve implantation potential in mouse blastocysts derived from IVF? SUMMARY ANSWER: Combined treatment with PRL, EGF and 4-OH-E2 improves mouse blastocyst implantation rates, while alone, each factor is ineffective. WHAT IS KNOWN ALREADY: Blastocyst dormancy during delayed implantation caused by ovariectomy is maintained by continued progesterone treatment in mice, and estrogen injection rapidly activates blastocysts to implantation-induced status in vivo...
August 1, 2017: Molecular Human Reproduction
https://www.readbyqxmd.com/read/28803664/should-patients-take-vitamin-d-before-mandibular-operations
#3
N Syed, G A Chiu, P Korczak
Vitamin D deficiency is endemic in the United Kingdom (UK), particularly in high-risk groups. We report the outcomes of patients with low concentrations of the vitamin who had complications after reduction of mandibular fractures or osteotomy, and those who were screened preoperatively. A deficiency can be diagnosed with a simple and inexpensive blood test, and in the UK the cost of a vitamin D tablet is about £0.04/tablet/day. Patients at risk of a deficiency should be screened before mandibular operations, and those listed for orthognathic surgery or replacement of the temporomandibular joint should be asked to take a supplement before operation...
August 10, 2017: British Journal of Oral & Maxillofacial Surgery
https://www.readbyqxmd.com/read/28790475/transient-osteoporosis-of-the-hip-a-mysterious-cause-of-hip-pain-in-adults
#4
Raju Vaishya, Amit Kumar Agarwal, Virender Kumar, Vipul Vijay, Abhishek Vaish
BACKGROUND: Transient osteoporosis of the hip (TOH) is a poorly understood and forgotten clinical entity. The diagnosis is often delayed, and inappropriate treatment is provided, due to the lack of its awareness among the clinicians. MATERIALS AND METHODS: Twelve patients (11 male and one female) within the age group of 35-50 years, were identified retrospectively from the hospital records between July 2011 and June 2015 who had evidence of TOH on clinical and radiological parameters...
July 2017: Indian Journal of Orthopaedics
https://www.readbyqxmd.com/read/28790224/comparison-of-glucosamine-chondroitin-sulfate-with-and-without-methylsulfonylmethane-in-grade-i-ii-knee-osteoarthritis-a-double-blind-randomized-controlled-trial
#5
Andri M T Lubis, Carles Siagian, Erick Wonggokusuma, Aldo F Marsetyo, Bambang Setyohadi
BACKGROUND: Glucosamine, chondroitinsulfate are frequently used to prevent further joint degeneration in osteoarthritis (OA). Methylsulfonylmethane (MSM) is a supplement containing organic sulphur and also reported to slow anatomical joint progressivity in the knee OA. The MSM is often combined with glucosamine and chondroitin sulfate. However, there are controversies whether glucosamine-chondroitin sulfate or their combination with methylsulfonylmethane could effectively reduce pain in OA...
April 2017: Acta Medica Indonesiana
https://www.readbyqxmd.com/read/28777701/a-pet-mr-imaging-approach-for-the-integrated-assessment-of-chemotherapy-induced-brain-heart-and-bone-injuries-in-pediatric-cancer-survivors-a-pilot-study
#6
Ashok J Theruvath, Anat Ilivitzki, Anne Muehe, Johanna Theruvath, Praveen Gulaka, Christine Kim, Sandra Luna-Fineman, Kathleen M Sakamoto, Kristen W Yeom, Phillip Yang, Michael Moseley, Frandics Chan, Heike E Daldrup-Link
Purpose To develop a positron emission tomography (PET)/magnetic resonance (MR) imaging protocol for evaluation of the brain, heart, and joints of pediatric cancer survivors for chemotherapy-induced injuries in one session. Materials and Methods Three teams of experts in neuroimaging, cardiac imaging, and bone imaging were tasked to develop a 20-30-minute PET/MR imaging protocol for detection of chemotherapy-induced tissue injuries of the brain, heart, and bone. In an institutional review board-approved, HIPAA-compliant, prospective study from April to July 2016, 10 pediatric cancer survivors who completed chemotherapy underwent imaging of the brain, heart, and bone with a 3-T PET/MR imager...
August 4, 2017: Radiology
https://www.readbyqxmd.com/read/28770449/randomized-trial-of-vitamin-d3-to-prevent-worsening-of-musculoskeletal-symptoms-in-women-with-breast-cancer-receiving-adjuvant-letrozole-the-vital-trial
#7
Qamar J Khan, Bruce F Kimler, Pavan S Reddy, Priyanka Sharma, Jennifer R Klemp, Jennifer L Nydegger, Hung-Wen Yeh, Carol J Fabian
PURPOSE: Aromatase inhibitor-associated musculoskeletal symptoms (AIMSS) frequently occur in women being treated for breast cancer. Prior studies suggest high prevalence of vitamin D deficiency in breast cancer patients with musculoskeletal (MS) pain. We conducted a randomized, placebo-controlled trial to determine if 30,000 IU vitamin D3 per week (VitD3) would prevent worsening of AIMSS in women starting adjuvant letrozole for breast cancer. METHODS: Women with stage I-III breast cancer starting adjuvant letrozole and 25(OH)D level ≤40 ng/ml were eligible...
August 2, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28768880/hyaluronan-supplementation-as-a-mechanical-regulator-of-cartilage-tissue-development-under-joint-kinematic-mimicking-loading
#8
Yabin Wu, Martin J Stoddart, Karin Wuertz-Kozak, Sibylle Grad, Mauro Alini, Stephen J Ferguson
Articular cartilage plays an essential role in joint lubrication and impact absorption. Through this, the mechanical signals are coupled to the tissue's physiological response. Healthy synovial fluid has been shown to reduce and homogenize the shear stress acting on the cartilage surfaces due to its unique shear-thinning viscosity. As cartilage tissues are sensitive to mechanical changes in articulation, it was hypothesized that replacing the traditional culture medium with a healthy non-Newtonian lubricant could enhance tissue development in a cartilage engineering model, where joint-kinematic-mimicking mechanical loading is applied...
August 2017: Journal of the Royal Society, Interface
https://www.readbyqxmd.com/read/28763520/effect-of-a-calcaneo-tibial-screw-on-medial-and-lateral-stability-of-the-canine-tarsocrural-joint-ex-vivo
#9
Kevin R Frame, Janis P Bridges, Andrew J Worth
OBJECTIVE: To evaluate the use of a temporary calcaneo-tibial screw for stabilization of the tarsocrural joint in dogs with surgically treated collateral ligament injury. METHODS: The degree of varus and valgus laxity of the tarsocrural joint in various states of injury and stabilization was measured in paired cadaveric limbs of Greyhound dogs. The angle of varus or valgus laxity was calculated following simulated collateral ligament injury (long collateral ligament only, long and short collateral ligaments, and bilateral long and short collateral ligaments) and stabilization with a calcaneo-tibial screw...
August 1, 2017: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
https://www.readbyqxmd.com/read/28743292/targeted-designed-variants-of-alpha-2-macroglobulin-a2m-attenuate-cartilage-degeneration-in-a-rat-model-of-osteoarthritis-induced-by-anterior-cruciate-ligament-transection
#10
Yang Zhang, Xiaochun Wei, Shawn Browning, Gaetano Scuderi, Lewis S Hanna, Lei Wei
BACKGROUND: The study was performed to evaluate whether targeted alpha-2-macroglobulin (A2M) variants have a similar or enhanced function at wild-type (wt)-A2M to attenuate cartilage degeneration in vivo. METHODS: In and ex-vivo experiment, bovine cartilage explants (BCE) were incubated with TNF-α and IL-1β with or without wt-A2M or A2M variants. Cartilage catabolism was measured in culture supernatant by sulfated glycosaminoglycan (sGAG). In an in-vivo experiment, 2-month-old male Wistar rats (n = 77) were randomly divided into seven groups and treated with different doses of A2M or its variants by intra-articular injection at 24 hours and day 14 after anterior cruciate ligament transection (ACLT), receiving (1) ACLT/PBS; (2) ACLT/wt-A2M (0...
July 25, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/28736511/effects-of-methylsulfonylmethane-msm-on-exercise-induced-oxidative-stress-muscle-damage-and-pain-following-a-half-marathon-a-double-blind-randomized-placebo-controlled-trial
#11
Eric D Withee, Kimberly M Tippens, Regina Dehen, Deanne Tibbitts, Douglas Hanes, Heather Zwickey
BACKGROUND: Oxidative stress and muscle damage occur during exhaustive bouts of exercise, and many runners report pain and soreness as major influences on changes or breaks in training regimens, creating a barrier to training persistence. Methylsulfonylmethane (MSM) is a sulfur-based nutritional supplement that is purported to have pain and inflammation-reducing effects. To investigate the effects of MSM in attenuating damage associated with physical exertion, this randomized, double-blind, placebo-controlled study evaluated the effects of MSM supplementation on exercise-induced pain, oxidative stress and muscle damage...
2017: Journal of the International Society of Sports Nutrition
https://www.readbyqxmd.com/read/28732535/case-report-rare-skeletal-manifestations-in-a-child-with-primary-hyperparathyroidism
#12
Maulee Hiromi Arambewela, Kamani Danushka Liyanarachchi, Noel P Somasundaram, Aruna S Pallewatte, Gamini L Punchihewa
BACKGROUND: Primary hyperparathyroidism (PHPT) is uncommon among children with an incidence of 1:300,000. This diagnosis is often missed in children in contrast to adults where it is detected at a pre symptomatic stage due to routine blood investigations. Etiology of PHPT can be due to adenoma, hyperplasia or rarely carcinoma. CASE PRESENTATION: A 12 year old Sri Lankan girl presented with progressive difficulty in walking since 1 year. On examination she had bilateral genu valgum...
July 21, 2017: BMC Endocrine Disorders
https://www.readbyqxmd.com/read/28727583/serum-bupivacaine-concentration-after-periarticular-injection-with-a-mixture-of-liposomal-bupivacaine-and-bupivacaine-hcl-during-total-knee-arthroplasty
#13
Michael J Buys, Marian F Murphy, Christine M Warrick, Nathan L Pace, Jeremy M Gililland, Christopher E Pelt, Byron R Bankhead, John L Patzkowsky, Ken B Johnson
BACKGROUND AND OBJECTIVES: A relatively new technique to reduce postoperative pain for total knee arthroplasty is to inject a mixture of 266 mg of liposomal bupivacaine and 125 mg of 0.25% bupivacaine HCl with epinephrine 1:300,000 around the knee joint at the time of surgery. Currently, no publications report serum bupivacaine concentrations over time after periarticular injection of liposomal mixed with free bupivacaine. This information is important to ensure safe serum bupivacaine concentrations are maintained especially when considering supplemental or rescue peripheral nerve blocks...
July 20, 2017: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/28727103/effects-of-dietary-calcium-fructoborate-supplementation-on-joint-comfort-and-flexibility-and-serum-inflammatory-markers-in-dogs-with-osteoarthritis
#14
A K Price, M R C de Godoy, T A Harper, K E Knap, S Joslyn, Z Pietrzkowski, B K Cross, K B Detweiler, K S Swanson
Our objective was to evaluate the short-term effects of calcium fructoborate (CFB) on gait, joint range of motion, serum inflammatory markers, and owner perception of pain in client-owned dogs. We used 59 osteoarthritic dogs with impairment, with dogs being randomly assigned to 4 treatments: placebo (60 mg fructose; = 15), low dose (69 mg CFB; = 14), high dose (127 mg CFB; = 14), or combination (69 mg CFB, 500 mg glucosamine hydrochloride and 200 mg chondroitin sulfate; = 16). Dogs up to 22.9 kg received 1 capsule/d, while dogs weighing 23 to 50 kg received 2 capsules/d...
July 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28720784/snap-tagged-chikungunya-virus-replicons-improve-visualisation-of-non-structural-protein-3-by-fluorescence-microscopy
#15
Roland Remenyi, Grace C Roberts, Carsten Zothner, Andres Merits, Mark Harris
Chikungunya virus (CHIKV), a mosquito-borne alphavirus, causes febrile disease, muscle and joint pain, which can become chronic in some individuals. The non-structural protein 3 (nsP3) plays essential roles during infection, but a complete understanding of its function is lacking. Here we used a microscopy-based approach to image CHIKV nsP3 inside human cells. The SNAP system consists of a self-labelling enzyme tag, which catalyses the covalent linking of exogenously supplemented synthetic ligands. Genetic insertion of this tag resulted in viable replicons and specific labelling while preserving the effect of nsP3 on stress granule responses and co-localisation with GTPase Activating Protein (SH3 domain) Binding Proteins (G3BPs)...
July 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28720606/re-using-blood-products-as-an-alternative-supplement-in-the-optimisation-of-clinical-grade-adipose-derived-mesenchymal-stem-cell-culture
#16
J Phetfong, T Tawonsawatruk, K Seenprachawong, A Srisarin, C Isarankura-Na-Ayudhya, A Supokawej
OBJECTIVES: Adipose-derived mesenchymal stem cells (ADMSCs) are a promising strategy for orthopaedic applications, particularly in bone repair. Ex vivo expansion of ADMSCs is required to obtain sufficient cell numbers. Xenogenic supplements should be avoided in order to minimise the risk of infections and immunological reactions. Human platelet lysate and human plasma may be an excellent material source for ADMSC expansion. In the present study, use of blood products after their recommended transfusion date to prepare human platelet lysate (HPL) and human plasma (Hplasma) was evaluated for in vitro culture expansion and osteogenesis of ADMSCs...
July 2017: Bone & Joint Research
https://www.readbyqxmd.com/read/28719806/effect-of-cage-design-supplemental-posterior-instrumentation-and-approach-on-primary-stability-of-a-lumbar-interbody-fusion-a-biomechanical-in-vitro-study
#17
Werner Schmoelz, Sabrina Sandriesser, Oded Loebl, Marlies Bauer, Dietmar Krappinger
BACKGROUND: There are various techniques and approaches for lumbar interbody fusion differing in access, cage type and type of supplemental posterior instrumentation. While a transforaminal access usually includes a hemifacetectomy, the facet joint can be preserved with a more lateral extraforaminal access. The supplemental posterior instrumentation required for both fusion techniques is still debated. The purpose of the present study was to compare primary stability of the two accesses for two different cage types with none, unilateral and bilateral supplemental posterior instrumentation...
July 8, 2017: Clinical Biomechanics
https://www.readbyqxmd.com/read/28717958/-the-8th-edition-of-the-ajcc-cancer-staging-manual-updates-in-otorhinolaryngology-head-and-neck-surgery
#18
REVIEW
J Doescher, J A Veit, T K Hoffmann
BACKGROUND: The TNM system is an established tool for classification of solid tumors by means of tumor size and extent, the involvement of local lymph nodes, and the presence of distant metastases. The classification was established in order to visualize prognostic implications and to allow establishment of systematic therapeutic algorithms. Since the beginning of 2017 a revised version of the classification has applied. Particularly the classification of otorhinolaryngologic tumors has been thoroughly revised in the 8th edition, partly on the basis of new prognostically relevant parameters, such as infection with oncogenic human papillomavirus (HPV) subtypes...
July 17, 2017: HNO
https://www.readbyqxmd.com/read/28707517/joint-effect-of-triclosan-and-copper-nanoparticles-on-wastewater-biological-nutrient-removal
#19
Hong Chen, Yuying Cheng, Di Meng, Gang Xue, Mingji Jiang, Xiang Li
Triclosan (TCS) is widely used in household and personal care products, and its release to wastewater might have impact on wastewater biological treatment due to its broad-spectrum antibacterial property. In addition, emerging pollutant such as copper nanoparticles (CuNPs) will release as well from nanoparticle-containing products, and show joint effect with TCS on biological nutrient removal. It was found that TCS of 1 mg/L and 10 mg/L could inhibit the nitrosification and nitrification stage, and the first step of denitrification was supressed as well, resulting in the final total nitrogen removal efficiency decline...
July 14, 2017: Environmental Technology
https://www.readbyqxmd.com/read/28690952/targeted-radiofrequency-ablation-as-an-adjunct-in-treatment-of-lumbar-facet-cysts
#20
Jesse Hatgis, Michelle Granville, Aldo Berti, Robert E Jacobson
Lumbar facet cysts are frequently found in patients with facet degeneration and segmental instability. When the facet cyst is localized in the neural foramina and lateral recess or becomes large, it can cause radiculopathy or neurogenic claudication. These symptomatic cysts are typically treated interventionally with drainage and a corticosteroid injection or attempts via overinflation to rupture the cyst; however, these procedures have a significant recurrence rate (up to 50%) and often need to be repeated or lead to lumbar surgery if unsuccessful...
June 6, 2017: Curēus
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