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https://www.readbyqxmd.com/read/28814057/a-study-on-the-cough-augmentation-using-a-belt-driven-assistive
#1
Sang-Yoep Lee, Kyu-Jin Cho
Coughing is one of the most important mechanisms performed in human body in that it removes mucus. The absence of enough ability to remove mucus leads to accumulation of the mucus on the airway, followed by possible complications such as pneumonia and atelectasis. Patients with diseases or disorders such as spinal cord injury have weakened ability in coughing. So far, there have been various treatments such as intubation surgery, mechanical insufflation-exsufflation or manual assistance provided by paramedic...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28776544/quantitative-evaluation-of-pain-with-pain-index-extracted-from-electroencephalogram
#2
Jian-Xiong An, Yong Wang, Doris K Cope, John P Williams
BACKGROUND: The current pain assessment methods are strongly subjective and easily affected by outside influences, and there is an urgent need to develop a reliable objective and quantitative pain-monitoring indicator. The aim of this study was to evaluate the feasibility of using Pain index (Pi) to assess pain symptoms in pain patients. METHODS: Subjects were enrolled from patients seeking treatment at Pain Medicine Center of China Medical University Aviation General Hospital from October 2015 to December 2016, such as postherpetic neuralgia, spinal cord injury, femoral head necrosis, lumbar disc herniation, trigeminal neuralgia, complex regional pain syndrome, perineal pain, phantom limb pain, etc...
August 20, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28770439/crocetin-potentiates-neurite-growth-in-hippocampal-neurons-and-facilitates-functional-recovery-in-rats-with-spinal-cord-injury
#3
Xiqian Wang, Xiejia Jiao, Zhonghao Liu, Yixin Li
Crocetin is an ingredient of traditional Chinese medicine and has therapeutic potential in various diseases due to its pharmacological properties, such as neuroprotection, anti-oxidative stress, and anti-inflammation. These properties might benefit the treatment of spinal cord injury. In the present study, we tested the effect of crocetin on neurite growth and sensorimotor dysfunction in a rat model of spinal cord injury. We evaluated the viability of cultured hippocampal neurons with tetrazolium dye and lactate dehydrogenase assays, visualized neurites and axons with antibody staining, and monitored motor and sensorimotor functions in rats with spinal cord injury using the Basso, Beattie, and Bresnahan assay and the contact plantar placement test, respectively, and measured cytokine expression using enzyme-linked immuno-absorbent assays...
August 2, 2017: Neuroscience Bulletin
https://www.readbyqxmd.com/read/28768786/posterior-spinal-fusion-for-adolescent-idiopathic-scoliosis-using-a-convex-pedicle-screw-technique-a-novel-concept-of-deformity-correction
#4
A I Tsirikos, G Mataliotakis, N Bounakis
AIMS: We present the results of correcting a double or triple curve adolescent idiopathic scoliosis using a convex segmental pedicle screw technique. PATIENTS AND METHODS: We reviewed 191 patients with a mean age at surgery of 15 years (11 to 23.3). Pedicle screws were placed at the convexity of each curve. Concave screws were inserted at one or two cephalad levels and two caudal levels. The mean operating time was 183 minutes (132 to 276) and the mean blood loss 0...
August 2017: Bone & Joint Journal
https://www.readbyqxmd.com/read/28763002/toll-like-receptor-4-inhibitor-tak-242-attenuates-motor-dysfunction-and-spinal-cord-pathology-in-an-amyotrophic-lateral-sclerosis-mouse-model
#5
Avi Fellner, Yael Barhum, Ariel Angel, Nisim Perets, Israel Steiner, Daniel Offen, Nirit Lev
Neuroinflammation contributes to amyotrophic lateral sclerosis (ALS) progression. TLR4, a transmembrane protein that plays a central role in activation of the innate immune system, has been shown to induce microglial activation in ALS models. TLR4 is up-regulated in the spinal cords of hSOD1(G93A) mice. We aimed to examine the effects of specific TLR4 inhibition on disease progression and survival in the hSOD1(G93A) mouse model of ALS. Immunologic effect of TLR4 inhibition in vitro was measured by the effect of TAK-242 treatment on LPS-induced splenocytes proliferation...
August 1, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28762503/mechanomyography-based-wearable-monitor-of-quasi-isometric-muscle-fatigue-for-motor-neural-prostheses
#6
Eddy Krueger, Lana Popović-Maneski, Percy Nohama
A motor neural prosthesis based on surface functional electrical stimulation (sFES) can restore functional movement (e.g., standing, walking) in patients with a spinal cord injury (SCI). sFES generates muscle contractions in antigravity muscles and allows balance-assisted standing. This induced standing has several benefits, such as improved cardiovascular function, decreased incidence of urinary infections, reduced joint contractures, and muscle atrophy. The duration of sFES assisted standing is limited due to the quick onset of muscle fatigue...
August 1, 2017: Artificial Organs
https://www.readbyqxmd.com/read/28738759/views-of-individuals-with-spinal-cord-injury-on-the-use-of-wearable-cameras-to-monitor-upper-limb-function-in-the-home-and-community
#7
Jirapat Likitlersuang, Elizabeth R Sumitro, Pirashanth Theventhiran, Sukhvinder Kalsi-Ryan, José Zariffa
OBJECTIVE: Hand function impairment after cervical spinal cord injury (SCI) can significantly reduce independence. Unlike current hand function assessments, wearable camera systems could potentially measure functional hand usage at home, and thus benefit the development of neurorehabilitation strategies. The objective of this study was to understand the views of individuals with SCI on the use of wearable cameras to track neurorehabilitation progress and outcomes in the community. DESIGN: Questionnaires...
July 24, 2017: Journal of Spinal Cord Medicine
https://www.readbyqxmd.com/read/28728911/effects-of-riluzole-on-spinal-seizure-like-activity-in-the-brainstem-spinal-cord-preparation-of-newborn-rat
#8
Shih Tien Lin, Masayuki Ohbayashi, Toshinori Yamamoto, Hiroshi Onimaru, Mari Kogo
Riluzole blocks persistent Na(+) current, inhibits generation of neuronal bursts and decreases glutamate-induced excitotoxicity. In previous studies of respiratory activity, riluzole suppressed inspiratory-related burst generation activity in rat slice or en bloc preparations. We examined riluzole's effects on inspiratory burst generation and drug-induced seizure-like activity in newborn rat en bloc preparations. Medulla-spinal cord preparations from postnatal day 0-3 Wistar rats were isolated under deep isoflurane anesthesia and were superfused with artificial cerebrospinal fluid equilibrated with 95% O2 and 5% CO2, pH 7...
July 17, 2017: Neuroscience Research
https://www.readbyqxmd.com/read/28719456/warning-criteria-for-intraoperative-neurophysiologic-monitoring
#9
Quanmeng Liu, Qinzhou Wang, Hongen Liu, William K K Wu, Matthew T V Chan
PURPOSE OF REVIEW: Intraoperative changes in somatosensory (SEP) and motor evoked potentials (MEPs) may indicate potential injury to the spinal cord and will require timely intervention to prevent permanent damage. This review focuses on the validity of currently recommended warning criteria for intraoperative evoked potential monitoring. RECENT FINDINGS: Current guideline recommends a decrease in SEP amplitude by 50% and MEP amplitude by 50-100% as warning signals for injury to the ascending sensory and descending motor pathway, respectively...
July 15, 2017: Current Opinion in Anaesthesiology
https://www.readbyqxmd.com/read/28710663/a-multi-train-electrical-stimulation-protocol-facilitates-transcranial-electrical-motor-evoked-potentials-and-increases-induction-rate-and-reproducibility-even-in-patients-with-preoperative-neurological-deficits
#10
Shuta Ushio, Shigenori Kawabata, Satoshi Sumiya, Tsuyoshi Kato, Toshitaka Yoshii, Tsuyoshi Yamada, Mitsuhiro Enomoto, Atsushi Okawa
This study sought to evaluate the facilitation effect of repetitive multi-train transcranial electrical stimulation (mt-TES) at 2 repetition rates on transcranial electrical motor evoked potential (Tc-MEP) monitoring during spinal surgery, and to assess the induction rate in patients with impaired motor function from a compromised spinal cord or spinal nerve. We studied 32 consecutive patients with impaired motor function undergoing cervical or thoracic spinal surgery (470 muscles). A series of 10 TESs with 5 pulse trains were preoperatively delivered at 2 repetition rates (1 and 5 Hz)...
July 14, 2017: Journal of Clinical Monitoring and Computing
https://www.readbyqxmd.com/read/28703331/high-resolution-diffusion-tensor-imaging-in-cervical-spondylotic-myelopathy-a-preliminary-follow-up-study
#11
Li Guan, Xiaolong Chen, Yong Hai, Xiaodong Ma, Le He, Guangzhi Wang, Chun Yuan, Hua Guo
Diffusion imaging is a promising technique as it can provide microstructural tissue information and thus potentially show viable changes in spinal cord. However, the traditional single-shot imaging method is limited as a result of various image artifacts. In order to improve measurement accuracy, we used a newly developed, multi-shot, high-resolution, diffusion tensor imaging (DTI) method to investigate diffusion metric changes and compare them with T2 -weighted (T2W) images before and after decompressive surgery for cervical spondylotic myelopathy (CSM)...
July 13, 2017: NMR in Biomedicine
https://www.readbyqxmd.com/read/28701541/afferent-input-and-sensory-function-after-human-spinal-cord-injury
#12
Recep Ali Ozdemir, Monica A Perez
Spinal cord injury (SCI) often disrupts the integrity of afferent (sensory) axons projecting through the spinal cord dorsal columns to the brain. Examinations of ascending sensory tracts, therefore, are critical for monitoring the extent of SCI and recovery processes. In this review, we discuss the most common electrophysiological techniques used to assess transmission of afferent inputs to the primary motor cortex (i.e., afferent-input induced facilitation and inhibition) and the somatosensory cortex (i.e...
July 12, 2017: Journal of Neurophysiology
https://www.readbyqxmd.com/read/28696309/influenza-infection-triggers-disease-in-a-genetic-model-of-experimental-autoimmune-encephalomyelitis
#13
Stephen Blackmore, Jessica Hernandez, Michal Juda, Emily Ryder, Gregory G Freund, Rodney W Johnson, Andrew J Steelman
Multiple sclerosis (MS) is an autoimmune disease of the central nervous system. Most MS patients experience periods of symptom exacerbation (relapses) followed by periods of partial recovery (remission). Interestingly, upper-respiratory viral infections increase the risk for relapse. Here, we used an autoimmune-prone T-cell receptor transgenic mouse (2D2) and a mouse-adapted human influenza virus to test the hypothesis that upper-respiratory viral infection can cause glial activation, promote immune cell trafficking to the CNS, and trigger disease...
July 25, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28687602/imaging-b-cells-in-a-mouse-model-of-multiple-sclerosis-using-64-cu-rituximab-pet
#14
Michelle L James, Aileen Hoehne, Aaron T Mayer, Kendra Lechtenberg, Monica Moreno, Gayatri Gowrishankar, Ohad Ilovich, Arutselvan Natarajan, Emily M Johnson, Joujou Nguyen, Lisa Quach, May Han, Marion Buckwalter, Sudeep Chandra, Sanjiv S Gambhir
B lymphocytes are a key pathological feature of multiple sclerosis (MS), and are becoming an important therapeutic target for this condition. Currently, there is no approved technique to non-invasively visualize B cells in the central nervous system (CNS) to monitor MS disease progression and response to therapies. Here we evaluated (64)Cu-Rituximab, a radiolabeled antibody specifically targeting the human B cell marker CD20, for its ability to image B cells in a mouse model of MS using positron emission tomography (PET)...
July 7, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/28682148/pharmacokinetics-of-an-intracerebroventricularly-administered-antibody-in-rats
#15
Yuki Noguchi, Motohiro Kato, Kazuhisa Ozeki, Masaki Ishigai
The pharmacokinetics (PK) of an antibody in the brain and the spinal cord is insufficiently understood, which is an obstacle to the discovery of antibody drugs that target diseases in the central nervous system. In this study, we focused on the elimination of IgG from cerebrospinal fluid (CSF) circulating in the brain and the spinal cord in rats, and, to evaluate the influence of CSF bulk flow on the clearance of IgG, also examined the PK of inulin in CSF. To monitor their concentrations in CSF, IgG and inulin were co-administered into the lateral ventricle via a catheter, and CSF was collected from the cisterna magna via another catheter time-sequentially...
July 6, 2017: MAbs
https://www.readbyqxmd.com/read/28681737/alarm-criteria-for-motor-evoked-potentials
#16
REVIEW
Parthasarathy D Thirumala, Jessie Huang, Indraneel S Brahme, Karthy Thiagarajan, Hannah Cheng, Donald J Crammond, Jeffrey Balzer
OBJECTIVE: To evaluate three commonly used alarm criteria for interpreting the significance and diagnostic value of transcranial motor evoked potential (TcMEP) changes during spinal surgery. MATERIALS AND METHODS: A systematic literature search was performed using PubMed/MEDLINE, Web of Science, and EMBASE from 1945 to January 2014. We included all those studies that were (1) randomized controlled trials, prospective studies, or retrospective cohort studies, (2) conducted among patients undergoing surgery on the spine or spinal cord with TcMEP monitoring, (3) conducted in a group of ≥50 patients, (4) that were inclusive of immediate postoperative neurological assessment (within 24 h), and (5) which were published in English...
July 2017: Neurology India
https://www.readbyqxmd.com/read/28681675/expert-consensus-for-pvcr-in-severe-rigid-and-angular-spinal-deformity-treatment-the-kunming-consensus
#17
Jing-Ming Xie, Zhong-Qiang Chen, Jian-Xiong Shen, Xue-Song Zhang, Cao Yang, Zhao-Min Zheng, Bang-Ping Qian, Shiau-Tzu Tzeng, Hui-Zhong Tian, Chao Li, Ji Wu, Zeng-Hui Wu, Wen-Yuan Ding, Yuan Ma, Shi-Xin Du, Yu-Shu Bai, Ying-Song Wang, Li-Min Liu, Hua Yang, Zhuo-Jia Zhou, Shi-Ming Xie, Qi Cao, Zhao Yang
In the past decades, an increasing number of surgeons started using posterior vertebral column resection (PVCR) to treat severe, rigid and angular spinal deformities. Little high-level evidence is available to guide surgical treatment. The aims of our study were to identify important surgical strategies and key technical points of Chinese experts who have extensive experience in the management of severe, rigid and angular spinal deformities using PVCR, and to standardize and unify the current core concepts...
May 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28676974/long-term-evaluation-of-intraoperative-neurophysiological-monitoring-assisted-tethered-cord-surgery
#18
S E Dulfer, G Drost, F Lange, H L Journee, F H Wapstra, E W Hoving
PURPOSE: Patients with tethered spinal cord have been investigated for short-term effects after tethered spinal cord surgery in the past. However, little is known about the long-term effects in this patient group. In this retrospective, longitudinal, observational study, a patient sample of a previous report of 65 patients was reassessed to observe the long-term effects of intraoperative neurophysiological monitoring-assisted tethered cord surgery. METHODS: With the use of patient charts and a survey, patients were scored on four domains: (1) neurological deficits, (2) urological deficits, (3) pain symptoms, and (4) orthopedic deficits...
July 4, 2017: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/28662973/assessment-of-bone-mineral-density-at-the-distal-femur-and-the-proximal-tibia-by-dual-energy-x-ray-absorptiometry-in-individualswith-spinal-cord-injury-precision-of-protocol-and-relation-to-injury-duration
#19
Stacey Lobos, Anne Cooke, Gillian Simonett, Chester Ho, Steven K Boyd, W Brent Edwards
Spinal cord injury (SCI) is characterized by marked bone loss at the knee, and there is a need for established dual-energy X-ray absorptiometry (DXA) protocols to examine bone mineral density (BMD) at this location to track therapeutic progress and to monitor fracture risk. The purpose of this study was to quantify the precision and reliability of a DXA protocol for BMD assessment at the distal femur and the proximal tibia in individuals with SCI. The protocol was subsequently used to investigate the relationship between BMD and duration of SCI...
June 26, 2017: Journal of Clinical Densitometry
https://www.readbyqxmd.com/read/28660107/optimal-timing-of-surgery-for-intramedullary-cavernous-hemangioma-of-the-spinal-cord-in-relation-to-preoperative-motor-paresis-disease-duration-and-tumor-volume-and-location
#20
Shiro Imagama, Zenya Ito, Kei Ando, Kazuyoshi Kobayashi, Tetsuro Hida, Kenyu Ito, Mikito Tsushima, Yoshimoto Ishikawa, Akiyuki Matsumoto, Masayoshi Morozumi, Satoshi Tanaka, Masaaki Machino, Kyotaro Ota, Hiroaki Nakashima, Norimitsu Wakao, Yoshihito Sakai, Yukihiro Matsuyama, Naoki Ishiguro
STUDY DESIGN: Prospective study. OBJECTIVE: Investigate factors associated with preoperative motor paresis, recovery, ambulatory status, and intraoperative neurophysiological monitoring (IONM) among patients with no preoperative paresis (N group), complete preoperative motor recovery (CR group), and no complete recovery (NCR group) in patients with intramedullary spinal cavernous hemangioma to determine the optimal timing of surgery. METHODS: The study evaluated 41 surgical cases in our institute...
May 2017: Global Spine Journal
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