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spinal cord monitoring

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https://www.readbyqxmd.com/read/29335472/provided-support-caregiver-burden-and-well-being-in-partners-of-persons-with-spinal-cord-injury-5-years-after-discharge-from-first-inpatient-rehabilitation
#1
Eline W M Scholten, Anneroos Kieftenbelt, Chantal F Hillebregt, Sonja de Groot, Marjolijn Ketelaar, Johanna M A Visser-Meily, Marcel W M Post
STUDY DESIGN: Cross-sectional study. OBJECTIVES: To describe type and regularity of support given by partners for individuals with paraplegia versus tetraplegia 5 years after discharge from first inpatient rehabilitation; to describe perceived caregiver burden, mental health and life satisfaction among partners; and to analyse determinants of perceived burden and the partner's mental health and life satisfaction. SETTING: The Netherlands. METHODS: Participants were partners of persons with spinal cord injury (SCI) 5 years after discharge from first inpatient rehabilitation (N = 67)...
January 16, 2018: Spinal Cord
https://www.readbyqxmd.com/read/29323631/endovascular-treatment-with-tirofiban-during-the-acute-stage-of-cervical-spinal-cord-infarction-due-to-vertebral-artery-dissection
#2
Yuanling Wu, Wenxian Li, Xiaomei Xie, Zhen Jing, Weibiao Lu, Li'an Huang
CONTEXT: Cervical spinal cord infarction is a rare and severe complication of vertebral artery dissection (VAD). We report a case of VAD in an acute stage followed by cervical spinal cord infarction that was treated using direct endovascular tirofiban infusion via digital subtraction angiography (DSA) monitoring. FINDINGS: A 48-year-old man presented with vertigo, neck pain, numbness and weakness in four limbs with subsequent cardiac and respiratory arrest. Neurological examination revealed hypoesthesia below the neck with grade one myodynamia on the right side of the limbs and zero on the left side...
January 11, 2018: Journal of Spinal Cord Medicine
https://www.readbyqxmd.com/read/29301602/progress-in-intraoperative-neurophysiological-monitoring-for-the-surgical-treatment-of-thoracic-spinal-stenosis
#3
Yong-Sheng Liu, Yu Zhao
Thoracic spinal stenosis (TSS) is a group of clinical syndromes caused by thoracic spinal cord compression, which always results in severe clinical complications. The incidence of TSS is relatively low compared with lumbar spinal stenosis, while the incidence of spinal cord injury during thoracic decompression is relatively high. The reported incidence of neurological deficits after thoracic decompression reached 13.9%. Intraoperative neurophysiological monitoring (IONM) can timely provide information regarding the function status of the spinal cord, and help surgeons with appropriate performance during operation...
December 30, 2017: Chinese Medical Sciences Journal, Chung-kuo i Hsüeh K'o Hsüeh Tsa Chih
https://www.readbyqxmd.com/read/29301040/where-and-when-to-cut-fluorescein-guidance-for-brain-stem-and-spinal-cord-tumor-surgery-technical-note
#4
Eric Suero Molina, Walter Stummer
BACKGROUND: Spinal cord and brain stem lesions require a judicious approach with an optimized trajectory due to a clustering of functions on their surfaces. Intraoperative mapping helps locate function. To confidently locate such lesions, neuronavigation alone lacks the desired accuracy and is of limited use in the spinal cord. OBJECTIVE: To evaluate the clinical value of fluoresceins for initial delineation of such critically located lesions. METHODS: We evaluated fluorescein guidance in the surgical resection of lesions with blood-brain barrier disruption demonstrating contrast enhancement in magnet resonance imaging in the spinal cord and in the brain stem in 3 different patients...
December 29, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29298691/volition-adaptive-control-for-gait-training-using-wearable-exoskeleton-preliminary-tests-with-incomplete-spinal-cord-injury-individuals
#5
Vijaykumar Rajasekaran, Eduardo López-Larraz, Fernando Trincado-Alonso, Joan Aranda, Luis Montesano, Antonio J Del-Ama, Jose L Pons
BACKGROUND: Gait training for individuals with neurological disorders is challenging in providing the suitable assistance and more adaptive behaviour towards user needs. The user specific adaptation can be defined based on the user interaction with the orthosis and by monitoring the user intentions. In this paper, an adaptive control model, commanded by the user intention, is evaluated using a lower limb exoskeleton with incomplete spinal cord injury individuals (SCI). METHODS: A user intention based adaptive control model has been developed and evaluated with 4 incomplete SCI individuals across 3 sessions of training per individual...
January 3, 2018: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/29298564/diffusion-tensor-imaging-of-scarring-necrosis-and-cavitation-based-on-histopathological-findings-in-dogs-with-chronic-spinal-cord-injury-evaluation-of-multiple-diffusion-parameters-and-their-correlations-with-histopathological-findings
#6
Hakyoung Yoon, Won-Jin Moon, Sang-Soep Nahm, Jaehwan Kim, Kidong Eom
The use of diffusion tensor imaging (DTI) for the characterization of various lesion types in dogs with spinal cord injury (SCI) has not been investigated. The purpose of this study was to characterize scarring [loose immature scarring (LIMS), intermediate mature scarring (IMS), and dense mature scarring (DMS)], necrosis, cavitation, and acute hemorrhage using multiple DTI parameters and determine the correlations between the DTI parameters and histopathological finding in dogs with controlled SCI. All imaging data were obtained from the lumbar spinal cord (from L1 to L3) of normal and SCI dogs using a 3-Tesla magnetic resonance imaging scanner...
January 3, 2018: Journal of Neurotrauma
https://www.readbyqxmd.com/read/29296037/estimating-second-malignancy-risk-in-intensity-modulated-radiotherapy-and-volumetric-modulated-arc-therapy-using-a-mechanistic-radiobiological-model-in-radiotherapy-for-carcinoma-of-left-breast
#7
Vasanthan Sakthivel, Ganesh Kadirampatti Mani, Sunil Mani, Raghavendiran Boopathy, Jothybasu Selvaraj
Objectives: The aim of this study is to estimate second cancer risk (SCR) in intensity-modulated radiotherapy (IMRT) and volumetric-modulated arc therapy (VMAT) using a mechanistic radiobiological model. The model also takes into account patient age at exposure and the gender-specific correction factors of SCR. Materials and Methods: Fifty IMRT and VMAT plans were selected for the study. Monte Carlo-based dose calculation engine was used for dose calculation. Appropriate model parameters were taken from the literature for the mechanistic model to calculate excess absolute risk (EAR), lifetime attributable risk, integral dose and relative risk (RR) for lungs, contralateral breast, heart, and spinal cord...
October 2017: Journal of Medical Physics
https://www.readbyqxmd.com/read/29290748/therapeutic-drug-monitoring-of-prolonged-infusion-aztreonam-for-multi-drug-resistant-pseudomonas-aeruginosa-a-case-report
#8
Jeffrey J Cies, Richard J LaCoursiere, Wayne S Moore, Arun Chopra
Aztreonam, a broad-spectrum monobactam, is typically reserved for multidrug resistant (MDR) infections. Pharmacokinetic (PK) data to guide dosing in children, however, are limited to healthy volunteers or nonintensive care unit (ICU) patients. Impaired antibiotic delivery into tissue remains a major concern and may explain the high morbidity and mortality associated with MDR infections. Therefore, evaluating the PK changes in pediatric ICU patients is necessary to elucidate the most appropriate antimicrobial regimen...
November 2017: Journal of Pediatric Pharmacology and Therapeutics: JPPT: the Official Journal of PPAG
https://www.readbyqxmd.com/read/29285072/changes-in-transcranial-electrical-motor-evoked-potentials-during-the-early-and-reversible-stage-of-permanent-spinal-cord-ischemia-predict-spinal-cord-injury-in-a-rabbit-animal-model
#9
Mingguang Wang, Fanguo Meng, Qimin Song, Jian Zhang, Chao Dai, Qingyan Zhao
The present study examined changes in the transcranial electrical motor-evoked potentials (TceMEP) waveform to predict neurological deficits and histopathological changes during the early and reversible stage of different levels of permanent spinal cord ischemic injury in a rabbit animal model. A total of 24 New Zealand rabbits were randomly divided into four groups of 6 rabbits each. Group 1 underwent a ligation of the lumbar artery at three levels (L1-L3), group 2 underwent a ligation of the lumbar artery at four levels (L1-L4) and group 3 underwent a ligation of the lumbar artery at five levels (L1-L5)...
December 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29284797/bedside-quantification-of-fat-free-mass-in-acute-spinal-cord-injury-using-bioelectrical-impedance-analysis-a-psychometric-study
#10
Maya G Panisset, Kate Desneves, Leigh C Ward, Jillian Rafferty, Helena Rodi, Geoff Roff, Doa El-Ansary, Mary P Galea
STUDY DESIGN: Psychometric. OBJECTIVES: Assess the validity of bioimpedance-based measures of fat-free mass (FFM) in acute SCI and of current definitions of obesity based on body mass index (BMI). SETTING: Australia. METHODS: All admissions within eight weeks of a new traumatic SCI were screened. 29% were eligible. 71% of those consented. Twenty participants (18 male) completed deuterium dilution (DD) and bioimpedance-based measurements of FFM...
December 28, 2017: Spinal Cord
https://www.readbyqxmd.com/read/29283918/clinical-utility-of-intraoperative-motor-evoked-potential-monitoring-to-prevent-postoperative-spinal-cord-injury-in-thoracic-and-thoracoabdominal-aneurysm-repair-an-audit-of-the-japanese-association-of-spinal-cord-protection-in-aortic-surgery-database
#11
Kenji Yoshitani, Kenichi Masui, Masahiko Kawaguchi, Mikito Kawamata, Manabu Kakinohana, Shinya Kato, Kyoko Hasuwa, Michiaki Yamakage, Yusuke Yoshikawa, Kimitoshi Nishiwaki, Tadashi Aoyama, Yoshimi Inagaki, Kazumasa Yamasaki, Mishiya Matsumoto, Kazuyoshi Ishida, Atsuo Yamashita, Katsuhiro Seo, Shinichi Kakumoto, Hironobu Hayashi, Yuu Tanaka, Satoshi Tanaka, Takashi Ishida, Hiroyuki Uchino, Takayasu Kakinuma, Yoshitsugu Yamada, Yoshiteru Mori, Shunsuke Izumi, Kunihiro Nishimura, Michikazu Nakai, Yoshihiko Ohnishi
BACKGROUND: Spinal cord ischemic injury is the most devastating sequela of descending and thoracoabdominal aortic surgery. Motor-evoked potentials (MEPs) have been used to intraoperatively assess motor tract function, but it remains unclear whether MEP monitoring can decrease the incidence of postoperative motor deficits. Therefore, we reviewed multicenter medical records of patients who had undergone descending and thoracoabdominal aortic repair (both open surgery and endovascular repair) to assess the association of MEP monitoring with postoperative motor deficits...
December 26, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/29259148/successful-recovery-from-spontaneous-spinal-epidural-hematoma-in-a-patient-undergoing-hemodialysis
#12
Arata Hibi, Takahisa Kasugai, Keisuke Kamiya, Keisuke Kamiya, Satoru Kominato, Chiharu Ito, Toshiyuki Miura, Katsushi Koyama
BACKGROUND Spontaneous spinal epidural hematoma (SSEH) occurs in the spinal epidural space in the absence of traumatic or iatrogenic causes, and is considered to be a neurological emergency, as spinal cord compression may lead to neurological deficit. Prompt diagnosis of SSEH can be difficult due to the variety of presenting symptoms, which may resemble those of stroke. Patients who undergo hemodialysis (HD) are at risk of bleeding due to anticoagulation during dialysis and uremia. However, SSEH in HD patients undergoing HD has rarely been reported...
December 20, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/29248528/feasibility-safety-and-efficacy-of-subcutaneous-peripheral-nerve-field-stimulation-for-the-treatment-of-refractory-low-back-pain-a-two-year-single-center-study
#13
Basem Ishak, Benito Campos, Heike Brunn, Andreas W Unterberg, Rezvan Ahmadi
Chronic low back pain is challenging to treat. Minimal invasive neurostimulation therapies, such as subcutaneous peripheral nerve field stimulation (SPNS), improve pain relief and quality of life,. The goal of the present study was to assess the usefulness, safety, and efficacy of SPNS in patients with chronic low back pain (CLBP). Twenty-six consecutive patients with CLBP were prospectively included in the study. For trial neurostimulation, two electrodes were implanted vertically at a depth of 1 cm into the subcutaneous tissue, ≤ 10 cm from the region of maximum pain...
December 14, 2017: Neuroscience
https://www.readbyqxmd.com/read/29248202/clonidine-administration-during-intraoperative-monitoring-for-pediatric-scoliosis-surgery-effects-on-central-and-peripheral-motor-responses
#14
Pedro Calderón, Paul Deltenre, Ida Stany, Jean-Paul Kaleeta Maalu, Magali Stevens, Jean Lamoureux, Michel Bellemans, Sylvie Dujardin, Philippe Van der Linden, Bernard Dachy
OBJECTIVE: To study the effect of clonidine administrated as a co-analgesic during scoliosis surgery, on the neuromonitoring of spinal motor pathways. METHODS: Using standardized intraoperative monitoring, we compared the time course of peripherally and transcranially electrically evoked motor potentials (TcEMEPs) before and after injection of a single bolus of clonidine in children under total intravenous anesthesia (TIVA). MEP data were obtained from 9 patients and somatosensory evoked potentials (SSEPs) were obtained from 2 patients...
December 13, 2017: Neurophysiologie Clinique, Clinical Neurophysiology
https://www.readbyqxmd.com/read/29238102/prevention-and-prediction-of-postoperative-bowel-bladder-disorder-using-an-anal-plug-electrode-with-tc-msep-monitoring-during-spine-surgery
#15
Kazuyoshi Kobayashi, Kei Ando, Hideki Yagi, Kenyu Ito, Mikito Tsushima, Masayoshi Morozumi, Satoshi Tanaka, Masaaki Machino, Kyotaro Ota, Yukihiro Matsuyama, Naoki Ishiguro, Shiro Imagama
A retrospective study was performed to examine the efficacy of intraoperative monitoring of the external anal sphincter (EAS) muscle-evoked potential after a transcranial muscle-action potential (Tc-MsEP) in spinal cord surgery, and to evaluate alarm points for EAS waveform deterioration related to postoperative bowel bladder disorder (BBD). BBD is caused by damage to the hypogastric, pelvic, and pudendal nerves and leads to a significant reduction in quality of life. Intraoperative Tc-MsEP monitoring using the EAS is common to prevent neurological deficit, but the relationship of BBD with intraoperative monitoring of the EAS has not been examined...
November 2017: Nagoya Journal of Medical Science
https://www.readbyqxmd.com/read/29236600/benefit-of-intraoperative-neurophysiological-monitoring-in-a-pediatric-patient-with-spinal-dysmorphism-split-cord-malformation-and-scoliosis
#16
Faisal R Jahangiri, Samir Al Sayegh, Moutasem Azzubi, Abdulrahman M Alrajhi, Monerah M Annaim, Shmoukh A Al Sharif, Tanweer Aziz, Sami Al Eissa
Intraoperative neurophysiological monitoring (IONM) consists of a group of neurodiagnostic techniques that assess the nervous system's functional integrity during surgical operations. A retrospective analysis of a pediatric female patient was conducted who underwent 12 operations for the correction of scoliosis, tethered cord, and split spinal cord wherein IONM played an important role. From age 3 to 6, she underwent six procedures including a release of the tethered cord, resection of the filum terminale, removal of a T11-T12 bony spur, release of L3 adhesions, repair of subcutaneous meningocele, and correction of scoliosis with a vertical expandable prosthetic titanium rod (VEPTR) technique without the use of IONM...
2017: Neurodiagnostic Journal
https://www.readbyqxmd.com/read/29236577/a-focal-cooling-method-for-the-cervical-spinal-cord-a-percutaneous-approach-to-the-dorsal-neck-in-dogs
#17
Kanichiro Kaneko, Yasuharu Noishiki, Kengo Funakoshi, Tomoyuki Saito
For the treatment of acute cervical spinal cord injuries, a local epidural cooling system using a percutaneous technique was proposed. In this animal study, regional low temperature was obtained stably in the cervical epidural space (CED) without decreasing temperatures at the rectum and the thoracic epidural space. Three stainless steel tubes were inserted percutaneously using the lateral approach into 3 serial interspinous spaces of the neck of 12 beagles under radiographic guidance. Two temperature probes were inserted into the CEDs at the level of the middle cooling tube...
December 13, 2017: Therapeutic Hypothermia and Temperature Management
https://www.readbyqxmd.com/read/29226126/prevalence-of-autonomic-dysreflexia-in-patients-with-spinal-cord-injury-above-t6
#18
Eun Sun Lee, Min Cheol Joo
Objective: To investigate the prevalence of autonomic dysreflexia (AD) using ambulatory blood pressure monitoring (ABPM) and the autonomic dysfunction following spinal cord injury (ADFSCI) questionnaire in patients with spinal cord injury (SCI) above T6. Methods: Twenty-eight patients diagnosed with SCI above T6 were enrolled. ABPM and ADFSCI were utilized to assess AD. Using ABPM, systolic blood pressure (SBP), diastolic blood pressure, and heart rate (HR) were measured at 30-minute intervals...
2017: BioMed Research International
https://www.readbyqxmd.com/read/29222419/probenecid-arrests-the-progression-of-pronounced-clinical-symptoms-in-a-mouse-model-of-multiple-sclerosis
#19
Nadine Hainz, Sandra Wolf, Artjom Beck, Stefan Wagenpfeil, Thomas Tschernig, Carola Meier
While it has been established that Probenecid (PBN) prevents the onset of experimental autoimmune encephalomyelitis (EAE) in mice, it is not clear whether it has any effect on already manifest EAE. The aim of this study was therefore to analyze the therapeutic effect of PBN in pronounced EAE. Mice with manifest clinical symptoms of EAE were either treated with PBN or solvent for 20 days, or they were left untreated. The clinical symptoms were monitored daily. Inflammation, demyelination and oligodendrocyte numbers were determined in the spinal cord...
December 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29222006/wrist-accelerometry-for-physical-activity-measurement-in-individuals-with-spinal-cord-injury-a-need-for-individually-calibrated-cut-points
#20
Laura A McCracken, Jasmin K Ma, Christine Voss, Franco H N Chan, Kathleen A Martin Ginis, Christopher R West
OBJECTIVE: To create and compare individual and group-based cut-points for wrist-accelerometry that corresponds to moderate-to-vigorous physical activity (MVPA) in people with spinal cord injury (SCI). DESIGN: Participants completed a graded treadmill-wheeling test while being assessed for oxygen consumption, wrist-acceleration vector magnitude, and spoke acceleration. Oxygen consumption was converted to SCI metabolic equivalents (SCI METS) and linear regression was applied to determine an individualized vector magnitude cut-point (counts per minute, VM-CPM) corresponding with MVPA (≥3 SCI METS)...
December 5, 2017: Archives of Physical Medicine and Rehabilitation
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