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Muscle recovery

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https://www.readbyqxmd.com/read/28088301/methocarbamol-use-is-associated-with-decreased-hospital-length-of-stay-in-trauma-patients-with-closed-rib-fractures
#1
Asad E Patanwala, Ohoud Aljuhani, Brian J Kopp, Brian L Erstad
BACKGROUND: The objective of this study was to evaluate the effect of methocarbamol on hospital length of stay in patients with closed rib fracture injuries. METHODS: This was a retrospective cohort study conducted in an academic medical center in the United States. Adult trauma patients, who sustained closed rib fractures, were included. Patients were categorized based on whether they received methocarbamol or not during admission. The primary outcome of interest was time to hospital discharge in days (i...
January 6, 2017: American Journal of Surgery
https://www.readbyqxmd.com/read/28088107/gaas-laser-therapy-reestablishes-the-morphology-of-the-nmj-and-nachrs-after-injury-due-to-bupivacaine
#2
Cristiane Neves Alessi Pissulin, Paula Aiello Tomé de Souza Castro, Flávio Codina, Carina Guidi Pinto, Ivan Jose Vechetti-Junior, Selma Maria Michelin Matheus
BACKGROUND: Local anesthetics are used to relieve pre- and postoperative pain, acting on both sodium channels and nicotinic acetylcholine receptors (nAChR) at the neuromuscular junction (NMJ). Bupivacaine acts as a non-competitive antagonist and has limitations, such as myotoxicity, neurotoxicity, and inflammation. Low-level laser therapy (LLLT) has anti-inflammatory, regenerative, and analgesic effects. The aim of the present study was to evaluate the effects of a gallium arsenide laser (GaAs) on the morphology of the NMJ and nAChRs after application of bupivacaine in the sternomastoid muscle...
December 22, 2016: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/28087731/increased-nbcn1-expression-na-hco3-co-transport-and-intracellular-ph-in-human-vascular-smooth-muscle-cells-with-a-risk-allele-for-hypertension
#3
Fu Liang Ng, Ebbe Boedtkjer, Katarzyna Witkowska, Meixia Ren, Ruoxin Zhang, Arthur Tucker, Christian Aalkjær, Mark J Caulfield, Shu Ye
Genome-wide association studies have revealed an association between variation at the SLC4A7 locus and blood pressure. SLC4A7 encodes the electroneutral Na(+)/HCO3 co-transporter NBCn1 which regulates intracellular pH (pHi). We conducted a functional study of variants at this locus in primary cultures of vascular smooth muscle and endothelial cells. In both cell types, we found genotype-dependent differences for rs13082711 in DNA-nuclear protein interactions, where the risk allele is associated with increased SLC4A7 expression level, NBCn1 availability and function as reflected in elevated steady-state pHi and accelerated recovery from intracellular acidosis...
January 13, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/28086894/c60-fullerene-as-promising-therapeutic-agent-for-correcting-and-preventing-skeletal-muscle-fatigue
#4
Yurij I Prylutskyy, Inna V Vereshchaka, Andriy V Maznychenko, Nataliya V Bulgakova, Olga O Gonchar, Olena A Kyzyma, Uwe Ritter, Peter Scharff, Tomasz Tomiak, Dmytro M Nozdrenko, Iryna V Mishchenko, Alexander I Kostyukov
BACKGROUND: Bioactive soluble carbon nanostructures, such as the C60 fullerene can bond with up to six electrons, thus serving by a powerful scavenger of reactive oxygen species similarly to many natural antioxidants, widely used to decrease the muscle fatigue effects. The aim of the study is to define action of the pristine C60 fullerene aqueous colloid solution (C60FAS), on the post-fatigue recovering of m. triceps surae in anaesthetized rats. RESULTS: During fatigue development, we observed decrease in the muscle effort level before C60FAS administration...
January 13, 2017: Journal of Nanobiotechnology
https://www.readbyqxmd.com/read/28081461/bdnf-gene-delivery-mediated-by-neuron-targeted-nanoparticles-is-neuroprotective-in-peripheral-nerve-injury
#5
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/28079176/adductor-canal-block-versus-femoral-nerve-block-for-total-knee-arthroplasty-a-meta-analysis-of-randomized-controlled-trials
#6
Duan Wang, Yang Yang, Qi Li, Shen-Li Tang, Wei-Nan Zeng, Jin Xu, Tian-Hang Xie, Fu-Xing Pei, Liu Yang, Ling-Li Li, Zong-Ke Zhou
Femoral nerve blocks (FNB) can provide effective pain relief but result in quadriceps weakness with increased risk of falls following total knee arthroplasty (TKA). Adductor canal block (ACB) is a relatively new alternative providing pure sensory blockade with minimal effect on quadriceps strength. The meta-analysis was designed to evaluate whether ACB exhibited better outcomes with respect to quadriceps strength, pain control, ambulation ability, and complications. PubMed, Embase, Web of Science, Wan Fang, China National Knowledge Internet (CNKI) and the Cochrane Database were searched for RCTs comparing ACB with FNB after TKAs...
January 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28078802/evaluation-of-pva-biodegradable-electric-conductive-membranes-for-nerve-regeneration-in-axonotmesis-injuries-the-rat-sciatic-nerve-animal-model
#7
J Ribeiro, A R Caseiro, T Pereira, Pas Armada-da-Silva, I Pires, J Prada, I Amorim, I Leal Reis, S Amado, J D Santos, S Bompasso, S Raimondo, Asp Varejão, S Geuna, A L Luís, A C Maurício
The therapeutic effect of three polyvinyl alcohol (PVA) membranes loaded with electrically conductive materials - carbon nanotubes (PVA-CNTs) and polypyrrole (PVA-PPy) - were tested in vivo for neuro-muscular regeneration after an axonotmesis injury in the rat sciatic nerve. The membranes electrical conductivity measured was 1.5±0.5x10(-6) S/m, 579±0.6x10(-6) S/m, and 1837.5±0.7 x10(-6) S/m, respectively. At week-12, a residual motor and nociceptive deficit were present in all treated groups, but at week-12, a better recovery to normal gait pattern of the PVA-CNTs and PVA-PPy treated groups was observed...
January 12, 2017: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/28077887/examination-of-the-predictive-power-of-electromyography-and-urodynamic-study-in-patients-with-cauda-equina-syndrome-horse-tail-syndrome
#8
Mohammadreza Shahmohammadi, Reza Jalil Khoshuod, Alireza Zali, Amir Saied Seddeghi, Nima Mohseni Kabir
BACKGROUND: Cauda equina syndrome is a rare disorder that causes loss of Lumbar plexus function (nerve roots) lower than conus medullaris. No risk factor has been defined for this disease yet. Due to the high morbidity of Cauda equina syndrome and lack of sufficient information about the connection between the disease and urodynamic findings and EMG (Electromyography) findings, the need for this comprehensive study is felt. OBJECTIVE: The aim is to determine the predictive power of findings resulted from urodynamics and electromyography of perineal region and around sphincter in the clinical cure rate of urination in patients with urinary retention followed by Cauda equina syndrome...
October 2016: Acta Informatica Medica: AIM
https://www.readbyqxmd.com/read/28077661/characterizing-differential-post-stroke-corticomotor-drive-to-the-dorsi-and-plantarflexor-muscles-during-resting-and-volitional-muscle-activation
#9
Jacqueline Ann Palmer, Ryan Zarzycki, Susanne M Morton, Trisha M Kesar, Stuart A Binder-Macleod
Imbalance of corticomotor excitability between the paretic and nonparetic limbs has been associated with the extent of upper extremity motor recovery post-stroke, is greatly influenced by specific testing conditions such as the presence or absence of volitional muscle activation, and may vary across muscle groups. However, despite its clinical importance, post-stroke corticomotor drive to lower extremity muscles has not been thoroughly investigated. Additionally, while conventional gait rehabilitation strategies for stroke survivors focus on paretic limb foot drop and dorsiflexion impairments, most contemporary literature has indicated that paretic limb propulsion and plantarflexion impairments are the most significant limiters to post-stroke walking function...
January 11, 2017: Journal of Neurophysiology
https://www.readbyqxmd.com/read/28073797/physical-and-cultural-determinants-of-postpartum-pelvic-floor-support-and-symptoms-following-vaginal-delivery-a-protocol-for-a-mixed-methods-prospective-cohort-study
#10
Ingrid E Nygaard, Erin Clark, Lauren Clark, Marlene J Egger, Robert Hitchcock, Yvonne Hsu, Peggy Norton, Ana Sanchez-Birkhead, Janet Shaw, Xiaoming Sheng, Michael Varner
INTRODUCTION: Pelvic floor disorders (PFDs), including pelvic organ prolapse (POP), stress and urgency urinary incontinence, and faecal incontinence, are common and arise from loss of pelvic support. Although severe disease often does not occur until women become older, pregnancy and childbirth are major risk factors for PFDs, especially POP. We understand little about modifiable factors that impact pelvic floor function recovery after vaginal birth. This National Institutes of Health (NIH)-funded Program Project, 'Bridging physical and cultural determinants of postpartum pelvic floor support and symptoms following vaginal delivery', uses mixed-methods research to study the influences of intra-abdominal pressure, physical activity, body habitus and muscle fitness on pelvic floor support and symptoms as well as the cultural context in which women experience those changes...
January 10, 2017: BMJ Open
https://www.readbyqxmd.com/read/28073285/muscle-nerve-muscle-grafting-for-facial-reanimation-in-rats
#11
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/28073188/effects-of-obesity-surgery-laparoscopic-sleeve-gastrectomy-technique-on-lower-urinary-tract-symptoms-depression-and-quality-of-life-of-males-prospective-study
#12
Fatih Uruç, Serkan Akan, Bekir Aras, Çaglar Yıldırım, Aytaç Sahin, Ozgur Haki Yuksel, Mehmet Timuçin Aydın, Ayhan Verit
PURPOSE: Technically, obesity weakens the pelvic base muscles by causing an increase in the intraabdominal pressure and intravesical pressure due to increasing fat and it triggers the occurrence of lower urinary tract symptoms. However it is believed that weight loss will cause recovery of these symptoms. Our purpose in this study is to research about the effects of the weight loss achieved by using especially the Laparoscopic Sleeve Gastrectomy (LSG) technique of bariatric surgery which is being more and more widely used today...
December 30, 2016: Archivio Italiano di Urologia, Andrologia
https://www.readbyqxmd.com/read/28073145/does-partial-muscle-reinnervation-preserve-future-re-innervation-potential
#13
Jonathan Isaacs, Satya Mallu, Mary Shall, Gaurangkumar Patel, Pooja Shah, Shalin Shah, Mark A Feger, Gordon Graham, Nikhil Pasula
INTRODUCTION: Late revision nerve surgery for incomplete motor recovery due to partial reinnervation would improve muscle function only if all muscle fibers were protected from developing denervation atrophy. METHODS: Sixty immature Sprague-Dawley rats underwent the following tibial nerve manipulations (n=15/group): Group A, partial denervation (2/3 of nerve resected and remaining 1/3 crushed), revision repair at 8 months; Group B, partial denervation; Group C, complete denervation, immediate reconstruction; Group D, complete denervation, reconstruction at 8 months; Group E, control group...
January 10, 2017: Muscle & Nerve
https://www.readbyqxmd.com/read/28070865/sphingosine-1-phosphate-pretreatment-amends-hypoxia-induced-metabolic-dysfunction-and-impairment-of-myogenic-potential-in-differentiating-c2c12-myoblasts-by-stimulating-viability-calcium-homeostasis-and-energy-generation
#14
Babita Rahar, Sonam Chawla, Sanjay Pandey, Anant Narayan Bhatt, Shweta Saxena
Sphingosine-1-phosphate (S1P) has a role in transpiration in patho-physiological signaling in skeletal muscles. The present study evaluated the pre-conditioning efficacy of S1P in facilitating differentiation of C2C12 myoblasts under a normoxic/hypoxic cell culture environment. Under normoxia, exogenous S1P significantly promoted C2C12 differentiation as evident from morphometric descriptors and differentiation markers of the mature myotubes, but it could facilitate only partial recovery from hypoxia-induced compromised differentiation...
January 9, 2017: Journal of Physiological Sciences: JPS
https://www.readbyqxmd.com/read/28069703/loss-of-osteoglycin-promotes-angiogenesis-in-limb-ischaemia-mouse-models-via-modulation-of-vascular-endothelial-growth-factor-and-vascular-endothelial-growth-factor-receptor-2-signalling-pathway
#15
Qi-Hong Wu, Yu Ma, Cheng-Chao Ruan, Yan Yang, Xin-He Liu, Qian Ge, Ling-Ran Kong, Ji-Wei Zhang, Chen Yan, Ping-Jin Gao
OBJECTIVE: Osteoglycin (OGN) has been noted for its implication in cardiovascular disease in recent studies. However, the relationship between OGN and angiogenesis remains unknown. Therefore, we aimed to investigate the effect of OGN on ischaemia-induced angiogenesis and to address the underlying mechanisms. METHODS AND RESULTS: The expression of OGN was decreased in a limb ischaemia mouse model. OGN knockout (KO) mice were used to further understand the role of OGN after ischaemia...
January 2017: Cardiovascular Research
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
#16
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/28068727/comparison-of-muscle-recovery-following-bi-cruciate-substituting-versus-posterior-stabilized-total-knee-arthroplasty-in-the-asian-population
#17
Akihito Takubo, Keinosuke Ryu, Takanori Iriuchishima, Yasuaki Tokuhashi
The purpose of this study was to compare muscle recovery in the lower extremities following the newly developed bi-cruciate substituting (BCS) to posterior stabilized (PS) total knee arthroplasty (TKA) in the Asian population. Forty-one knees in 41 patients undergoing BCS-TKA (41 female, average age: 71 ± 8.8) and 34 knees in 34 patients undergoing PS-TKA (33 female, average age: 73 ± 7.2) were included in this study. The maximum isometric power of the quadriceps and hamstring muscles was measured preoperatively, and at 1, 3, 6, and 12 months after surgery using a handheld dynamometer...
January 9, 2017: Journal of Knee Surgery
https://www.readbyqxmd.com/read/28065791/the-neuroprotective-strategic-analysis-for-patients-with-acute-myocardial-infarction-combined-with-hypoxic-ischemic-encephalopathy-in-icu
#18
Yali Chao, Weiwei Hu, Xiaojuan Geng
BACKGROUND: We conducted this study to investigate the neuroprotective treatment strategies for patients with acute myocardial infarction (AMI) complicated with hypoxic ischemic encephalopathy (HIE) in the ICU. METHODS: A total of 83 cases that were diagnosed with secondary AMI for the first time were selected and divided into observation group (n=43) and the control group (n=40). All of patients underwent emergency or elective PCI. Patients in the control group were treated with mannitol to reduce intracranial pressure, cinepazide maleate to improve microcirculation in the brain and also given comprehensive treatments of oxygen inhalation, fluid infusion, acid-base imbalance correction, electrolyte disturbance, etc...
January 5, 2017: Hellenic Journal of Cardiology: HJC, Hellēnikē Kardiologikē Epitheōrēsē
https://www.readbyqxmd.com/read/28065360/intracavernous-injection-of-human-umbilical-cord-blood-mononuclear-cells-improves-erectile-dysfunction-in-streptozotocin-induced-diabetic-rats
#19
Tugba Cengiz, Ecem Kaya, Didem Yilmaz Oral, Isil Ozakca, Nur Bayatli, Arzu Zeynep Karabay, Tugba Altun Ensari, Tuna Karahan, Enis Yilmaz, Serap Gur
INTRODUCTION: Erectile dysfunction (ED) worsens in men with diabetes. Human umbilical cord blood (HUCB), because of its widespread availability and low immunogenicity, is a valuable source for stem cell-based therapies. AIM: To determine the effect of intracavernous injection of HUCB mononuclear cells (MNCs) on ED in rats with diabetes induced by streptozotocin. METHODS: Thirty adult male Sprague-Dawley rats were equally divided into three groups: (i) control, (ii) diabetes induced by streptozotocin (35 mg/kg intravenously for 8 weeks), and (iii) diabetic rats treated with MNCs (1 × 10(6) cells by intracavernosal injection)...
January 2017: Journal of Sexual Medicine
https://www.readbyqxmd.com/read/28061417/concurrent-hyphema-and-orbital-apex-syndrome-following-herpes-zoster-ophthalmicus-in-a-middle-aged-lady
#20
Khairuddin Othman, Li Min Evelyn-Tai, Mohd Noor Raja-Azmi, Muhammed Julieana, Ahmad Tajudin Liza-Sharmini, John Tharakan, Alwi Muhd Besari, Embong Zunaina, Ismail Shatriah
INTRODUCTION: Hyphema and orbital apex syndrome occurring concurrently in a patient with herpes zoster ophthalmicus have not been reported previously. We present a case with these unique findings and discuss the pathogenesis of these conditions and their management. PRESENTATION OF CASE: A 59-year-old Malay lady with underlying diabetes mellitus presented with manifestations of zoster ophthalmicus in the left eye. Two weeks later, she developed total hyphema, and complete ophthalmoplegia suggestive of orbital apex syndrome...
December 21, 2016: International Journal of Surgery Case Reports
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