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Muscle injury treatment

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https://www.readbyqxmd.com/read/28087891/physical-activity-and-exercise-for-chronic-pain-in-adults-an-overview-of-cochrane-reviews
#1
REVIEW
Louise J Geneen, R Andrew Moore, Clare Clarke, Denis Martin, Lesley A Colvin, Blair H Smith
BACKGROUND: Chronic pain is defined as pain lasting beyond normal tissue healing time, generally taken to be 12 weeks. It contributes to disability, anxiety, depression, sleep disturbances, poor quality of life, and healthcare costs. Chronic pain has a weighted mean prevalence in adults of 20%.For many years, the treatment choice for chronic pain included recommendations for rest and inactivity. However, exercise may have specific benefits in reducing the severity of chronic pain, as well as more general benefits associated with improved overall physical and mental health, and physical functioning...
January 14, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28081461/bdnf-gene-delivery-mediated-by-neuron-targeted-nanoparticles-is-neuroprotective-in-peripheral-nerve-injury
#2
Cátia D F Lopes, Nádia P Gonçalves, Carla P Gomes, Maria J Saraiva, Ana P Pêgo
Neuron-targeted gene delivery is a promising strategy to treat peripheral neuropathies. Here we propose the use of polymeric nanoparticles based on thiolated trimethyl chitosan (TMCSH) to mediate targeted gene delivery to peripheral neurons upon a peripheral and minimally invasive intramuscular administration. Nanoparticles were grafted with the non-toxic carboxylic fragment of the tetanus neurotoxin (HC) to allow neuron targeting and were explored to deliver a plasmid DNA encoding for the brain-derived neurotrophic factor (BDNF) in a peripheral nerve injury model...
December 24, 2016: Biomaterials
https://www.readbyqxmd.com/read/28079982/recombinant-soluble-apyrase-apt102-inhibits-thrombosis-and-intimal-hyperplasia-in-vein-grafts-without-adversely-affecting-hemostasis-or-re-endothelialization
#3
Y Ji, O Adeola, T L Strawn, S S Jeong, R Chen, W P Fay
BACKGROUND: Occlusion of vein grafts (VGs) after bypass surgery due to thrombosis and intimal hyperplasia (IH) is a major clinical problem. Apyrases are enzymes that scavenge extracellular ATP and ADP and promote adenosine formation at sites of vascular injury and hence have potential to inhibit vein graft pathology. OBJECTIVES: We examined the effects of recombinant soluble human apyrase, APT102, on platelets, smooth muscle cells (SMCs), and endothelial cells (ECs) in vitro and thrombosis and IH in murine VGs...
January 12, 2017: Journal of Thrombosis and Haemostasis: JTH
https://www.readbyqxmd.com/read/28079575/cystic-biliary-atresia-and-choledochal-cysts-are-distinct-histopathologic-entities
#4
Inna N Lobeck, Rachel Sheridan, Mark Lovell, Phylicia Dupree, Greg M Tiao, Kevin E Bove
Cystic biliary atresia (CBA), a rare cystic expansion of atretic extrahepatic bile ducts in young infants, overlaps in age at presentation and imaging features with early choledochal cysts (CC). Treatment and prognosis differ; histologic differences are unsettled. We compared 10 patients with CBA, 1975 to 2015, to an age-similar cohort of 13 infants, and to older patients who had surgery for CC. Operative details, imaging, and clinical courses were correlated to pathologic specimens. Immunostains for smooth muscle actin and myosin heavy chain were used to evaluate cyst walls and atretic segments...
January 10, 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28076015/us-and-mr-imaging-of-pectoralis-major-injuries
#5
Yauk K Lee, Matt R Skalski, Eric A White, Anderanik Tomasian, Diane D Phan, Dakshesh B Patel, George R Matcuk, Aaron J Schein
During the past 2 decades, the frequency of pectoralis major muscle injuries has increased in association with the increased popularity of bench press exercises. Injury of the pectoralis major can occur at the muscle origin, muscle belly, musculotendinous junction, intratendinous region, and/or humeral insertion-with or without bone avulsion. The extent of the tendon injury ranges from partial to complete tears. Treatment may be surgical or conservative, depending on the clinical scenario and anatomic characteristics of the injury...
January 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/28074914/hydroxysafflor-yellow-a-attenuates-the-expression-of-inflammatory-cytokines-in-acute-soft-tissue-injury
#6
Fang Dong, Changjiang Xue, Yu Wang, Yuanyuan Peng, Yadan Zhang, Ming Jin, Baoxia Zang
We examined the effect of hydroxysafflor yellow A (HSYA) on the inflammatory response to strike-induced acute soft tissue injury in rats. Soft tissue injury was induced in rat leg muscles using a strike hammer, followed by intraperitoneal administration of HSYA at 16, 32, or 64 mg/kg. After 24 h, the rats were anaesthetized, blood and muscle samples were taken. Plasma levels of interleukin (IL)-6, IL-1β, and tumour necrosis factor (TNF)-αwere measured by enzyme-linked immunosorbent assay. Total RNA and protein were isolated from muscle tissue to determine the mRNA levels of IL-6, IL-1β, TNF-α, vascular cell adhesion molecule (VCAM)-1, and intercellular adhesion molecule (ICAM)-1, and the protein level of phosphorylated p38 mitogen-activated protein kinase (MAPK)...
January 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28073285/muscle-nerve-muscle-grafting-for-facial-reanimation-in-rats
#7
Steven J Charous, Jeffery M Hotaling, Bridget D Burgess, Joshua M Sappington, James Park, Grant Turek, Eileen M Foecking
OBJECTIVE: Facial paralysis is a devastating condition leaving patients with a myriad of aesthetic and functional consequences. Muscle-nerve-muscle (MNM) neurotization is a reinnervation technique that involves implanting an autogenous nerve graft as a conduit between an innervated "donor" muscle and a denervated "recipient" muscle. We investigated the use of MNM reinnervation, alone or in combination with electrical stimulation (ES) and testosterone propionate (TP) in comparison to nerve reanastomosis (RE), on functional recovery following rat facial nerve injury...
January 1, 2017: Annals of Otology, Rhinology, and Laryngology
https://www.readbyqxmd.com/read/28072800/modified-percutaneous-lumbar-foraminoplasty-and-percutaneous-endoscopic-lumbar-discectomy-instrument-design-technique-notes-and-5-years-follow-up
#8
Zhen-Zhou Li, Shu-Xun Hou, Wei-Lin Shang, Ke-Ran Song, Hong-Liang Zhao
BACKGROUND: Conventional percutaneous endoscopic lumbar discectomy (PELD) with an "inside-outside" technique has 4.3% - 10.3% surgical failure rate, especially in central herniated discs (HDs), migrated HDs, and axillary type HDs. PELD with foraminoplasty has been used for complex HDs. Percutaneous lumbar foraminoplasty (PLF), which is performed with a trephine or bone reamer introduced over a guidewire without a protective working cannula in the original Tessys technique, can quickly cut the hypertrophied bony structure under fluoroscopic guidance, and risk injury to the exiting and traversing nerve roots...
January 2017: Pain Physician
https://www.readbyqxmd.com/read/28072735/localized-type-volkmann-s-contracture-treated-with-tendon-transfer-and-tension-reduced-early-mobilization-a-case-report
#9
Yoshio Kaji, Osamu Nakamura, Konosuke Yamaguchi, Sachiko Tobiume, Tetsuji Yamamoto
RATIONALE: For localized type Volkmann's contracture, in which degeneration of the flexor digitorum profundus (FDP) muscle to one or two fingers and restriction of finger extension occur, dissection or excision of the affected muscle is usually recommended. However, these surgical procedures need relatively wide exposure of the muscle, because the FDP muscle is in the deep portion of the forearm. PATIENT CONCERNS: In this report, the case of a 35-year-old woman with localized type Volkmann's contracture is presented...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28069694/myocardial-tissue-engineering-with-cells-derived-from-human-induced-pluripotent-stem-cells-and-a-native-like-high-resolution-3-dimensionally-printed-scaffold
#10
Ling Gao, Molly Kupfer, Jangwook Jung, Libang Yang, Patrick Zhang, Yong Sie, Quyen Tran, Visar Ajeti, Brian Freeman, Vladimir Fast, Paul Campagnola, Brenda Ogle, Jianyi Zhang
RATIONALE: Conventional three-dimensional (3D) printing techniques cannot produce structures of the size at which individual cells interact. OBJECTIVE: Here, we used multiphoton-excited, 3-dimensional printing (MPE-3DP) to generate a native-like, extracellular matrix (ECM) scaffold with submicron resolution, and then seeded the scaffold with cardiomyocytes (CMs), smooth-muscle cells (SMCs), and endothelial cells (ECs) that had been differentiated from human induced-pluripotent stem cells (iPSCs) to generate a human, iPSC-derived cardiac muscle patch (hCMP), which was subsequently evaluated in a murine model of myocardial infarction (MI)...
January 9, 2017: Circulation Research
https://www.readbyqxmd.com/read/28063595/the-mitochondrial-targeted-peptide-ss-31-improves-glomerular-architecture-in-mice-of-advanced-age
#11
Mariya T Sweetwyne, Jeffrey W Pippin, Diana G Eng, Kelly L Hudkins, Ying Ann Chiao, Matthew D Campbell, David J Marcinek, Charles E Alpers, Hazel H Szeto, Peter S Rabinovitch, Stuart J Shankland
Although age-associated changes in kidney glomerular architecture have been described in mice and man, the mechanisms are unknown. It is unclear if these changes can be prevented or even reversed by systemic therapies administered at advanced age. Using light microscopy and transmission electron microscopy, our results showed glomerulosclerosis with injury to mitochondria in glomerular epithelial cells in mice aged 26 months (equivalent to a 79-year-old human). To test the hypothesis that reducing mitochondrial damage in late age would result in lowered glomerulosclerosis, we administered the mitochondrial targeted peptide, SS-31, to aged mice...
January 4, 2017: Kidney International
https://www.readbyqxmd.com/read/28060543/inhibition-of-the-kca3-1-channel-alleviates-established-pulmonary-fibrosis-in-a-large-animal-model
#12
Louise Organ, Barbara Bacci, Emmanuel Koumoundouros, Wayne G Kimpton, Chrishan S Samuel, Cameron J Nowell, Peter Bradding, Katy M Roach, Glen Westall, Jade Jaffar, Ken J Snibson
Idiopathic pulmonary fibrosis is a chronic progressive disease of increasing prevalence marked by poor prognosis and limited treatment options. Ca2+-activated KCa3.1 potassium channels have been shown to play a key role in the aberrant activation and responses to injury in both epithelial cells and fibroblasts, both considered key drivers in the fibrotic process of IPF. Pharmacological inhibition of IPF-derived fibroblasts is able to somewhat prevent TGF-βand bFGF-dependent profibrotic responses. In the current study, we investigated whether blockade of the KCa3...
January 6, 2017: American Journal of Respiratory Cell and Molecular Biology
https://www.readbyqxmd.com/read/28059946/comparative-study-of-the-difference-of-perioperative-complication-and-radiologic-results-mis-dlif-minimally-invasive-direct-lateral-lumbar-interbody-fusion-versus-mis-olif-minimally-invasive-oblique-lateral-lumbar-interbody-fusion
#13
Jie Jin, Kyeong-Sik Ryu, Jung-Woo Hur, Ji-Hoon Seong, Jin-Sung Kim, Hyun-Jin Cho
STUDY DESIGN: Retrospective observatory analysis. OBJECTIVE: The purpose of this study was to compare the incidence of perioperative complication, difference of cage location, and sagittal alignment between minimally invasive oblique lateral lumbar interbody fusion (MIS-OLIF) and MIS-direct lateral lumbar interbody fusion (DLIF) in the cases of single-level surgery at L4-L5. SUMMARY OF BACKGROUND DATA: MIS-DLIF using tubular retractor has been used for the treatment of lumbar degenerative diseases; however, blunt transpsoas dissection poses a risk of injury to the lumbar plexus...
January 4, 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28055102/galectin-3-inhibition-by-a-small-molecule-inhibitor-reduces-both-pathological-corneal-neovascularization-and-fibrosis
#14
Wei-Sheng Chen, Zhiyi Cao, Hakon Leffler, Ulf J Nilsson, Noorjahan Panjwani
Purpose: Corneal neovascularization and scarring commonly lead to significant vision loss. This study was designed to determine whether a small-molecule inhibitor of galectin-3 can inhibit both corneal angiogenesis and fibrosis in experimental mouse models. Methods: Animal models of silver nitrate cautery and alkaline burn were used to induce mouse corneal angiogenesis and fibrosis, respectively. Corneas were treated with the galectin-3 inhibitor, 33DFTG, or vehicle alone and were processed for whole-mount immunofluorescence staining and Western blot analysis to quantify the density of blood vessels and markers of fibrosis...
January 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28045880/targeted-complement-inhibition-protects-vascularized-composite-allografts-from-acute-graft-injury-and-prolongs-graft-survival-when-combined-with-subtherapeutic-cyclosporine-a-therapy
#15
Peng Zhu, Stefanie R Bailey, Biao Lei, Chrystal M Paulos, Carl Atkinson, Stephen Tomlinson
BACKGROUND: Recipients of vascularized composite allografts require aggressive and life-long immunosuppression, and since the surgery is usually performed in nonlife threatening situations, the development of strategies to minimize immunosuppression is especially pertinent for this procedure. We investigated how complement affects acute graft injury, alloimmunity, and immunosuppressive therapy. METHODS: Vascularized composite allografts were transplanted from Balb/C to C57BL/6 mice that were complement deficient (C3 or double C3a Receptor (R)/C5aR), or treated with a targeted complement inhibitor (CR2-Crry)...
December 30, 2016: Transplantation
https://www.readbyqxmd.com/read/28045856/a-multiparametric-alarm-criterion-for-motor-evoked-potential-monitoring-during-spine-deformity-surgery
#16
Martín J Segura, María E Talarico, Mariano A Noel
PURPOSE: This is a pilot study to compare changes in the amplitude, area below the curve, number of phases, duration, and latency of the intraoperative transcranial motor evoked potentials (TcMEP) for early detection of impending spinal cord injury. An empirical ratio calculated by a combination of the above-mentioned parameters was also assessed. METHODS: Intraoperative TcMEP recordings from five patients presenting with neuromuscular kyphoscoliosis, idiopathic scoliosis, achondroplasia and lumbar kyphosis, congenital kyphosis, and achondroplasia with cervical instability were reviewed...
January 2017: Journal of Clinical Neurophysiology: Official Publication of the American Electroencephalographic Society
https://www.readbyqxmd.com/read/28043054/dynamic-plantar-pressure-distribution-strength-capacity-and-postural-control-after-lisfranc-fracture-dislocation
#17
Alexander T Mehlhorn, Markus Walther, Tayfun Yilmaz, Lennart Gunst, Anja Hirschmüller, Norbert P Südkamp, Hagen Schmal
Substantial progress has been made in the operative treatment of Lisfranc fractures, however, the prognosis remains poor. We hypothesized that Lisfranc injuries change the postural control and muscle strength of the lower limb. Both are suggested to correlate with the clinical outcome and quality of life. 17 consecutive patients suffering from a Lisfranc fracture dislocation were registered, underwent open reduction and internal fixation and were followed-up for 50.5±25.7months (Mean±SDM). Biomechanical analysis of muscle strength capacities, postural control and plantar pressure distribution was assessed >6 month postoperatively...
December 19, 2016: Gait & Posture
https://www.readbyqxmd.com/read/28042553/remote-ischemic-preconditioning-enhances-the-expression-of-genes-encoding-antioxidant-enzymes-and-endoplasmic-reticulum-stress-related-proteins-in-rat-skeletal-muscle
#18
Ui Jun Park, Hyoung Tae Kim, Won Hyun Cho, Jae Hyoung Park, Hye Ra Jung, Min Young Kim
PURPOSE: Ischemic preconditioning (IPC), including remote IPC (rIPC) and direct IPC (dIPC), is a promising method to decrease ischemia-reperfusion (IR) injury. This study tested the effect of both rIPC and dIPC on the genes for antioxidant enzymes and endoplasmic reticulum (ER) stress-related proteins. MATERIALS AND METHODS: Twenty rats were randomly divided into the control and study groups. In the control group (n=10), the right hind limb was sham-operated. The left hind limb (IscR) of the control group underwent IR injury without IPC...
December 2016: Vascular Specialist International
https://www.readbyqxmd.com/read/28039398/spinal-cord-injury-modulates-the-lung-inflammatory-response-in-mechanically-ventilated-rats-a-comparative-animal-study
#19
Karine Truflandier, Eric Beaumont, Karim Maghni, Michel De Marchie, Emmanuel Charbonney, Jadranka Spahija
Mechanical ventilation (MV) is widely used in spinal injury patients to compensate for respiratory muscle failure. MV is known to induce lung inflammation, while spinal cord injury (SCI) is known to contribute to local inflammatory response. Interaction between MV and SCI was evaluated in order to assess the impact it may have on the pulmonary inflammatory profile. Sprague Dawley rats were anesthetized for 24 h and randomized to receive either MV or not. The MV group included C4-C5 SCI, T10 SCI and uninjured animals...
December 2016: Physiological Reports
https://www.readbyqxmd.com/read/28032743/sustained-local-release-of-ngf-from-a-chitosan-sericin-composite-scaffold-for-treating-chronic-nerve-compression
#20
Lei Zhang, Wen Yang, Kaixiong Tao, Yu Song, Hongjian Xie, Jian Wang, Xiaolin Li, Xiaoming Shuai, Jinbo Gao, Panpan Chang, Guobin Wang, Zheng Wang, Lin Wang
Chronic nerve compression (CNC), such as carpal tunnel syndrome (CTS), is a common cause of peripheral nerve dysfunction and chronic peripheral nerve pain. Current available treatments for CNC are ineffective as they usually aim to alleviate symptoms at the acute phase with limited capability towards restoring injured nerve function. New approaches for effective recovery of CNC injury are highly desired. Here we report for the first time a tissue-engineered approach for the repair of CNC. A genipin cross-linked chitosan-sericin 3D scaffold for delivering nerve growth factor (NGF) was designed and fabricated...
December 29, 2016: ACS Applied Materials & Interfaces
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