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Restorative neurology

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https://www.readbyqxmd.com/read/28089093/minimally-invasive-surgery-for-evacuating-the-intracerebral-hematoma-in-early-stages-decreased-secondary-damages-to-the-internal-capsule-in-dog-model-of-ich-observed-by-diffusion-tensor-imaging
#1
Guofeng Wu, Fan Wang, Likun Wang, Jing Shi, Hui Yu, Yingjun Zhang
BACKGROUND: Diffusion tensor imaging was used to observe the effects of performing early minimally invasive surgery (MIS) on internal capsule in dog model of intracerebral hemorrhage (ICH). METHODS: Twenty-five male dogs were selected to prepare an ICH model, and then they were randomly distributed into a model control (MC) group (5 dogs) or an MIS group (20 dogs). In the MIS group, the intracerebral hematoma was evacuated by stereotactic minimally invasive procedures over 6 hours (5 dogs), 12 hours (5 dogs), 18 hours (5 dogs), or 24 hours (5 dogs) after successful induction of ICH...
January 6, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28088217/surgical-treatment-of-upper-cervical-spine-metastases-a-retrospective-study-of-39-cases
#2
Jian Yang, Qi Jia, Dongyu Peng, Wei Wan, Nanzhe Zhong, Yan Lou, Xiaopan Cai, Zhipeng Wu, Chenglong Zhao, Xinghai Yang, Jianru Xiao
BACKGROUND: The surgical treatment of upper cervical spine metastases are controversial up to now. By summarizing and analyzing the clinical data of the upper cervical spine involved metastases treated surgically in our center, we mainly aimed to investigate the surgical decisions and outcomes so as to provide more references for the clinical treatment of this special and complex spine metastasis. METHODS: We evaluated the patients' pre- and post-operative neck pain and neurologic function with paired t test, followed by the statistics of the selection of surgical approaches, ways of reconstruction, and related complications...
January 14, 2017: World Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28070799/metabolic-alterations-and-the-protective-effect-of-punicalagin-against-glutamate-induced-oxidative-toxicity-in-ht22-cells
#3
Kavitha Pathakoti, Lavanya Goodla, Manjunath Manubolu, Tewin Tencomnao
Oxidative stress is involved in many neurological diseases, including Alzheimer's disease. Punicalagin (PC) is a hydrolysable polyphenol derived from Punica granatum and a potent antioxidant. In this study, the neuroprotective effect of PC on glutamate-induced oxidative stress was evaluated in the mouse hippocampal cell line, HT22. PC treatment protected HT22 cells from glutamate-induced cell death in a concentration-dependent manner, potentially attenuated glutamate-induced intracellular reactive oxygen species (ROS) and restored the mitochondrial membrane depolarization...
January 9, 2017: Neurotoxicity Research
https://www.readbyqxmd.com/read/28069497/a-modified-collagen-scaffold-facilitates-endogenous-neurogenesis-for-acute-spinal-cord-injury-repair
#4
Caixia Fan, Xing Li, Zhifeng Xiao, Yannan Zhao, Hui Liang, Bin Wang, Sufang Han, Xiaoran Li, Bai Xu, Nuo Wang, Sumei Liu, Weiwei Xue, Jianwu Dai
Due to irreversible neuronal loss and glial scar deposition, spinal cord injury (SCI) ultimately results in permanent neurological dysfunction. Neuronal regeneration of neural stem cells (NSCs) residing in the spinal cord could be an ideal strategy for replenishing the lost neurons and restore function. However, many myelin-associated inhibitors in the SCI microenvironment limit the ability of spinal cord NSCs to regenerate into neurons. Here, a linearly ordered collagen scaffold was used to prevent scar deposition, guide nerve regeneration and carry drugs to neutralize the inhibitory molecules...
January 6, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28069456/neurocardiac-protection-with-milrinone-for-restoring-acute-cerebral-hypoperfusion-and-delayed-ischemic-injury-after-experimental-subarachnoid-hemorrhage
#5
Tomoko Mutoh, Tatsushi Mutoh, Kazumasu Sasaki, Kazuhiro Nakamura, Yasuko Tatewaki, Tatsuya Ishikawa, Yasuyuki Taki
BACKGROUND AND PURPOSE: Acute cerebral hypoperfusion following subarachnoid hemorrhage (SAH) is highly related to the pathogenesis of delayed cerebral ischemia (DCI), but the therapeutic option is poorly available. This study aimed to clarify the effect of milrinone (MIL) on cerebral blood flow (CBF) and related outcomes after experimental SAH. METHODS: Twenty-seven male C57BL/6 mice were assigned to either sham surgery (SAH-sham; n=6), SAH induced by endovascular perforation (control; n=10), or SAH followed by cardiac support with intravenous MIL (n=11) performed 1...
January 6, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28064357/ischemic-stroke-experimental-models-and-reality
#6
REVIEW
Clemens J Sommer
The vast majority of cerebral stroke cases are caused by transient or permanent occlusion of a cerebral blood vessel ("ischemic stroke") eventually leading to brain infarction. The final infarct size and the neurological outcome depend on a multitude of factors such as the duration and severity of ischemia, the existence of collateral systems and an adequate systemic blood pressure, etiology and localization of the infarct, but also on age, sex, comorbidities with the respective multimedication and genetic background...
January 7, 2017: Acta Neuropathologica
https://www.readbyqxmd.com/read/28061403/berberine-ameliorates-intrahippocampal-kainate-induced-status-epilepticus-and-consequent-epileptogenic-process-in-the-rat-underlying-mechanisms
#7
Reza Sedaghat, Yosra Taab, Zahra Kiasalari, Siamak Afshin-Majd, Tourandokht Baluchnejadmojarad, Mehrdad Roghani
Status epilepticus (SE) is a life-threatening neurologic condition, instigating epileptogenesis to transform normal brain to an epileptic condition. SE is followed by spontaneous recurrent seizures (SRS) and final development of temporal lobe epilepsy (TLE) that is resistant to treatment. Neuroprotective strategies are increasingly put forward as a promising therapy to prevent and/or manage epileptic conditions. In this study, we investigated whether berberis alkaloid, i.e. berberine (BBR), could ameliorate intrahippocampal kainate-induced SE and its consequent epileptogenic process and to explore some underlying mechanisms...
January 3, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28059685/resolution-of-the-more-anteriorly-positioned-psoas-muscle-following-correction-of-spinal-sagittal-alignment-from-spondylolisthesis-case-report
#8
Hasan R Syed, Kurt Yaeger, Faheem A Sandhu
Several studies have described the radiographic, histological, and morphological changes to the paraspinal muscle in patients with chronic low-back pain due to degenerative diseases of the spine. Gross anatomical illustrations have shown that the psoas muscle lies lateral to the L4-5 vertebrae and subsequently thins and dissociates from the vertebral body at L5-S1 in a ventrolateral course. A "rising psoas" may influence the location of the lumbar plexus and result in transient neurological injury on lateral approach to the spine...
January 6, 2017: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/28057555/reactive-astrogliosis-in-stroke-contributions-of-astrocytes-to-recovery-of-neurological-function
#9
REVIEW
Neil R Sims, Wai Ping Yew
Alterations in neuronal connectivity, particularly in the "peri-infarct" tissue adjacent to the region of ischemic damage, are important contributors to the spontaneous recovery of function that commonly follows stroke. Peri-infarct astrocytes undergo reactive astrogliosis and play key roles in modulating the adaptive responses in neurons. This reactive astrogliosis shares many features with that induced by other forms of damage to the central nervous system but also differs in details that potentially influence neurological recovery...
January 2, 2017: Neurochemistry International
https://www.readbyqxmd.com/read/28050455/outcomes-of-short-segment-posterior-instrumentation-in-unstable-thoracolumbar-fractures
#10
Sharvil H Gajjar, Hari J Menon, Nitin Chaudhari, Vipul Chaudhari
INTRODUCTION: The spinal traumas are common and leading problem in orthopaedics practice. The individuals are at a risk of high energy trauma in modern era. Unstable thoracolumbar burst fractures are serious injuries of concern, if left untreated may result in marked morbidity and disability to the patient. Thoracolumbar is the second most common segment involved in the spinal cord following spinal injuries followed by cervical segment. The goal of treatment of any spinal injury is restoration of the patient to maximum possible function with disability free life...
November 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28048972/astaxanthin-improves-cognitive-performance-in-mice-following-mild-traumatic-brain-injury
#11
Xinran Ji, Dayong Peng, Yiling Zhang, Jun Zhang, Yuning Wang, Yuan Gao, Ning Lu, Peifu Tang
[BACKGROUND]: Traumatic brain injury (TBI) produces lasting neurological deficits that plague patients and physicians. To date, there is no effective method to combat the source of this problem. Here, we utilized a mild, closed head TBI model to determine the modulatory effects of a natural dietary compound, astaxanthin (AST). AST is centrally active following oral administration and is neuroprotective in experimental brain ischemia/stroke and subarachnoid hemorrhage (SAH) models. We examined the effects of oral AST on the long-term neurological functional recovery and histological outcomes following moderate TBI in a mice model...
December 31, 2016: Brain Research
https://www.readbyqxmd.com/read/28043848/surgical-treatment-of-degenerative-spondylolisthesis
#12
REVIEW
P Guigui, E Ferrero
Degenerative spondylolisthesis is a common pathology, often causing lumbar canal stenosis. There is, however, no strong consensus regarding the various medical and surgical treatments available. Surgery is indicated mainly for perceived functional impairment; when the indication is accepted, several questions determine the choice of surgical strategy. Improvement in neurological symptoms is one of the main treatment objectives. For this, it is useful to perform radicular decompression. Some authors recommend indirect decompression by interbody fusion (ALIF, TLIF, XLIF), others by means of an interspinous spacer but the most frequent technique is direct posterior decompression...
December 30, 2016: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28032698/thoracic-vertebral-hemangioma-with-spinal-cord-compression-multidisciplinary-surgical-treatment-and-follow-up-of-six-patients
#13
Hui-Lin Zhang, Yong-Cheng Hu, Rajendra Aryal, Xin He, Deng-Xing Lun, Li-Ming Zhao
OBJECTIVE: To provide useful insights of multidisciplinary surgical treatment for vertebral hemangioma with spinal cord compression. METHODS: From 2009 to 2014, data on six patients who were diagnosed with cord compression vertebral hemangioma were reviewed and analyzed retrospectively. There were five women and one man with a mean age of 48.6 years (range, 26-68 years). All the patients were treated by multidisciplinary approach, including use of gelfoam, pedicle screw instrumentation, vertebroplasty, and decompression laminectomy...
November 2016: Orthopaedic Surgery
https://www.readbyqxmd.com/read/28028447/spinal-epidural-abscess-in-a-patient-with-piriformis-pyomyositis
#14
Gerald S Oh, Hussam Abou-Al-Shaar, Gregory D Arnone, Ashley L Barks, Ziad A Hage, Sergey Neckrysh
BACKGROUND: Spinal epidural abscess resulting from piriformis pyomyositis is extremely rare. Such condition can result in serious morbidity and mortality if not addressed in a timely manner. CASE DESCRIPTION: The authors describe the case of a 19-year-old male presenting with a 2-week history of fever, low back pain, and nuchal rigidity. When found to have radiographic evidence of a right piriformis pyomyositis, he was transferred to our institution for further evaluation...
2016: Surgical Neurology International
https://www.readbyqxmd.com/read/28026861/diagnosis-and-treatment-of-epidural-metastases
#15
REVIEW
M Loreto Yáñez, Julie J Miller, Tracy T Batchelor
Epidural metastases occur in 5% to 10% of cancer patients and represent a neurological emergency. Patients most commonly present with an acute onset of motor weakness, and restoration of neurological function is critically dependent on prompt diagnosis and treatment. This review discusses the clinical, epidemiological, and radiological features associated with epidural metastases and resulting spinal cord compression. Moreover, current treatment paradigms are reviewed. The timely initiation of radiation as well as surgery in select cases is critical for preserving neurological function and achieving local tumor control and pain control...
December 27, 2016: Cancer
https://www.readbyqxmd.com/read/28025035/resveratrol-suppresses-neuroinflammation-in-the-experimental-paradigm-of-autism-spectrum-disorders
#16
Ranjana Bhandari, Anurag Kuhad
BACKGROUND: Neuronal dysfunction caused by neuroinflammation triggered by the stimulation of matrix metalloproteinases and the subsequent release of pro-inflammatory cytokines, as a result of oxidative stress and mitochondrial dysfunction, is one of the probable mechanisms involved in the pathogenesis of autism spectrum disorders (ASD). The aim of the present study was to explore the ameliorative potential of resveratrol on neuroinflammation in the experimental paradigm of neuroinflammatory model of ASD in rats...
December 23, 2016: Neurochemistry International
https://www.readbyqxmd.com/read/28018672/acute-acquired-comitant-esotropia-in-adults-is-it-neurologic-or-not
#17
Kadriye Erkan Turan, Tulay Kansu
Objectives. Acute acquired comitant esotropia (AACE) can be a diagnostic challenge for ophthalmologists and neurologists because of its association with neurological pathologies. Our study describes a series of adult patients with AACE of undetermined etiology. Methods. Data on the clinical findings of patients presented with AACE of undetermined etiology with a minimum follow-up of 1 year were retrieved from the medical records and the results analyzed. Results. A series of 9 esotropia cases (age range: 20-43 years) was reviewed...
2016: Journal of Ophthalmology
https://www.readbyqxmd.com/read/28017783/anti-apoptotic-and-angiogenic-effects-of-intelectin-1-in-rat-cerebral-ischemia
#18
Naibing Gu, Yaru Dong, Ye Tian, Zhengli Di, Zhiqin Liu, Mingze Chang, Xiaotao Jia, Yihua Qian, Weiping Zhang
Ischemic stroke is an acute life-threatening disease, which causes neurological dysfunction. The formation of new blood vessels around the infarct is vital to the restoration of perfusion and healing of brain tissue. Studies have shown that intelectin-1 (omentin) promotes endothelial cell function and angiogenesis in response to ischemia and inhibits apoptosis in rats with unilateral hind limb surgery. In the present study, we investigated the neuroprotective role of intelectin-1 following focal cerebral ischemia...
December 23, 2016: Brain Research Bulletin
https://www.readbyqxmd.com/read/28017511/out-of-hospital-cardiac-arrest-in-pregnancy-with-good-neurological-outcome-for-mother-and-infant
#19
S Pecher, E William
Cardiac arrest in pregnancy is rare (about 1:30000 pregnancies) and out-of-hospital cardiac arrests are even less frequent. Resuscitation of the pregnant mother is challenging and requires attention to the altered physiology, specific pathologies and the presence and well-being of the fetus. Once circulation has been restored, the lack of high-grade evidence regarding delivery of the baby and post-resuscitation care makes decision making complex. We present a case of out-of-hospital maternal cardiac arrest with successful resuscitation and good neurological outcome for mother and infant...
November 15, 2016: International Journal of Obstetric Anesthesia
https://www.readbyqxmd.com/read/28011165/a-robust-and-reproducible-human-pluripotent-stem-cell-derived-model-of-neurite-outgrowth-in-a-three-dimensional-culture-system-and-its-application-to-study-neurite-inhibition
#20
Kirsty E Clarke, Daniel M Tams, Andrew P Henderson, Mathilde F Roger, Andrew Whiting, Stefan A Przyborski
The inability of neurites to grow and restore neural connections is common to many neurological disorders, including trauma to the central nervous system and neurodegenerative diseases. Therefore, there is need for a robust and reproducible model of neurite outgrowth, to provide a tool to study the molecular mechanisms that underpin the process of neurite inhibition and to screen molecules that may be able to overcome such inhibition. In this study a novel in vitro pluripotent stem cell based model of human neuritogenesis was developed...
December 20, 2016: Neurochemistry International
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