abstract：:Experimental traumatic brain injury (TBI) initiates massive disturbances in Ca2+ concentrations in the brain that may contribute to neuronal damage. Intracellular Ca2+ may be elevated via influx through voltage-operated cation channels, ligand-gated ionotropic channels, and store-operated cation channels (SOCs). In th...

journal_title：Journal of neurotrauma

authors： Cheney JA,Brown AL,Bareyre FM,Russ AB,Weisser JD,Ensinger HA,Leusch A,Raghupathi R,Saatman KE

更新日期：2000-01-01 00:00:00

abstract：:In human diffuse axonal injury (DAI), axons are exposed to transient tensile strain. Over the ensuing several hours, injured axons enter a "pathological cascade" of events that lead to secondary axotomy. Use of animal models of traumatic axonal injury (TAI) has allowed description of a number of pathological changes b...

journal_title：Journal of neurotrauma

authors： Maxwell WL,Donnelly S,Sun X,Fenton T,Puri N,Graham DI

更新日期：1999-12-01 00:00:00

abstract：:Human head trauma is frequently associated with respiratory problems resulting in secondary hypoxic insult. To document the behavioral consequences of secondary hypoxia in an established model of traumatic brain injury (TBI), intubated anesthetized animals were subjected to fluid percussion (FP) injury (1.87-2.17 atm)...

journal_title：Journal of neurotrauma

authors： Bramlett HM,Dietrich WD,Green EJ

更新日期：1999-11-01 00:00:00

abstract：:Previous work in this laboratory has demonstrated that rats show substantial deficits on the cued and hidden versions of the Morris water maze, as well as an apparent time-dependent recovery over a period of months, following moderate parasagittal fluid-percussion (FP) injury. However, the longitudinal nature of those...

journal_title：Journal of neurotrauma

authors： Sanders MJ,Dietrich WD,Green EJ

更新日期：1999-10-01 00:00:00

abstract：:The object of this study was to investigate the relationships of age on neurologic and functional outcome, hospitalization length of stay (LOS), and hospital charges after spinal cord injury (SCI). At 20 medical centers, 2,169 consecutive adult patients with paraplegia SCI were assessed in acute care and inpatient reh...

journal_title：Journal of neurotrauma

authors： Cifu DX,Huang ME,Kolakowsky-Hayner SA,Seel RT

更新日期：1999-09-01 00:00:00

abstract：:Multipotent neural progenitors and stem cells may integrate appropriately into the developing and degenerating central nervous system. They may also be effective in the replacement of genes, cells, and nondiffusible factors in either a widespread or a more circumscribed manner, depending on the therapeutic demands of ...

journal_title：Journal of neurotrauma

authors： Park KI,Liu S,Flax JD,Nissim S,Stieg PE,Snyder EY

更新日期：1999-08-01 00:00:00

abstract：:Controlled cortical impact (CCI) produces blood-brain barrier (BBB) permeability and an acute inflammatory response in injured brain, associated with upregulation of cell adhesion molecules and accumulation of neutrophils. Nevertheless, the role of acute inflammation in the pathogenesis of BBB permeability after traum...

journal_title：Journal of neurotrauma

authors： Whalen MJ,Carlos TM,Kochanek PM,Clark RS,Heineman S,Schiding JK,Franicola D,Memarzadeh F,Lo W,Marion DW,Dekosky ST

更新日期：1999-07-01 00:00:00

abstract：:Peptides related to melanotropin (alphaMSH) and corticotropin (ACTH), collectively termed melanocortins, are known to improve the postlesion repair of injured peripheral nerves. In addition, melanocortins exert trophic effects on the outgrowth of neurites from central nervous system neurons in vitro. Here we report, f...

journal_title：Journal of neurotrauma

authors： Joosten EA,Majewska B,Houweling DA,Bär PR,Gispen WH

更新日期：1999-06-01 00:00:00

abstract：:The present study evaluated the survival and integration of human postmitotic neurons (hNT) following transplantation into the traumatically injured rodent brain. Anesthetized male Sprague-Dawley rats (n = 47) were subjected to lateral fluid percussion brain injury of moderate severity (2.4-2.6 atm). Sham animals (n =...

journal_title：Journal of neurotrauma

authors： Muir JK,Raghupathi R,Saatman KE,Wilson CA,Lee VM,Trojanowski JQ,Philips MF,McIntosh TK

更新日期：1999-05-01 00:00:00

abstract：:Traumatic brain damage may cause acute emotional symptoms such as uncontrolled crying, apathy, and sleep problems. Rehabilitation may be less effective in patients afflicted by these symptoms. Citalopram, a selective serotonin reuptake inhibitor (SSRI), has a documented immediate and dramatic effect on pathological cr...

journal_title：Journal of neurotrauma

authors： Andersen G,Stylsvig M,Sunde N

更新日期：1999-04-01 00:00:00

abstract：:Moderate hypothermia may reduce subsequent neuronal damage after traumatic brain injury. Interleukin (IL)-6 may have a role in the pathogenesis of traumatic neuronal damage or repair. Using the enzyme-linked immunological sorbent assay (ELISA), we serially measured IL-6 levels in plasma obtained from the radial artery...

journal_title：Journal of neurotrauma

authors： Aibiki M,Maekawa S,Ogura S,Kinoshita Y,Kawai N,Yokono S

更新日期：1999-03-01 00:00:00

abstract：:We have investigated time course and characteristics of retinal ganglion cell (RGC) death after partial optic nerve injury. In situ end labeling of DNA fragments with the terminal deoxynucleotidyl transferase (TdT)-mediated deoxyuridine (dUTP)-biotin nick end labeling (TUNEL) method revealed the presence of apoptotic ...

journal_title：Journal of neurotrauma

authors： Bien A,Seidenbecher CI,Böckers TM,Sabel BA,Kreutz MR

更新日期：1999-02-01 00:00:00

abstract：:Controlled cortical impact (CCI) is a relatively new model of traumatic brain injury in the mouse, which, in combination with behavioral and histological methods, has potential for elucidating underlying mechanisms of neurodegeneration using genetically altered animals. Previously, we have demonstrated impaired spatia...

journal_title：Journal of neurotrauma

authors： Fox GB,Fan L,LeVasseur RA,Faden AI

更新日期：1998-12-01 00:00:00

abstract：:The present study examined the effect of severe traumatic brain injury (TBI) on the myogenic response in the rat middle cerebral artery (MCA). Rats were subjected to severe controlled cortical impact (CCI; 5 m/sec, 130-msec duration, 3-mm deformation) injury over the right parietal cortex. At 2, 24, and 120 h postinju...

journal_title：Journal of neurotrauma

authors： Golding EM,Contant CF Jr,Robertson CS,Bryan RM Jr

更新日期：1998-11-01 00:00:00

abstract：:The rat hippocampus is hypersensitive to secondary cerebral ischemia after mild traumatic brain injury (TBI). An unconfirmed assumption in previous studies of mild TBI followed by forebrain ischemia has been that antecedent TBI did not alter cerebral blood flow (CBF) dynamics in response to secondary ischemia. Using l...

journal_title：Journal of neurotrauma

authors： Davis KL,Jenkins LW,DeWitt DS,Prough DS

更新日期：1998-08-01 00:00:00

abstract：:Following a controlled, severe contusion lesion to the lower thoracic spinal cord in adult rats, we found that apoptosis occurred in cells located in both gray and white matter. This suggested that both nonneuronal cells, including astrocytes, oligodendroglia and microglia, as well as neurons, might participate in pro...

journal_title：Journal of neurotrauma

authors： Yong C,Arnold PM,Zoubine MN,Citron BA,Watanabe I,Berman NE,Festoff BW

更新日期：1998-07-01 00:00:00

abstract：:In the present study, long-term and short-term rat preparations were used to develop a model for investigating external anal sphincter (EAS) reflexes in intact and spinal cord-injured (SCI) rats. In this model, EAS distension with an external probe elicits reflex contractions of the EAS in intact, unanesthetized anima...

journal_title：Journal of neurotrauma

authors： Holmes GM,Rogers RC,Bresnahan JC,Beattie MS

更新日期：1998-06-01 00:00:00

abstract：:Abnormal sympathetic tone after spinal cord injury (SCI) initially results in hypotension and is subsequently associated with autonomic dysreflexia characterized by paroxysmal hypertension and bradycardia in response to noxious or visceral stimuli. To evaluate the effect of a clinically relevant compression model of S...

journal_title：Journal of neurotrauma

authors： Maiorov DN,Fehlings MG,Krassioukov AV

更新日期：1998-05-01 00:00:00

abstract：:This study was designed to assess the effect of spinal cord injury on neurobehavioral, electrophysiological, structural, and biochemical changes in normal and diabetic rats. Experimental diabetes was induced in Sprague-Dawley male rats (weighing 250-280 g) with streptozotocin (50 mg/kg i.p.). Eight weeks after the tre...

journal_title：Journal of neurotrauma

authors： Tariq M,Morais C,Kishore PN,Biary N,Al Deeb S,Al Moutaery K

更新日期：1998-04-01 00:00:00

abstract：:Cognitive deficits are the most enduring and disabling sequelae of human traumatic brain injury (TBI), but quantifying the magnitude, duration, and pattern of cognitive deficits produced by different types of TBI has received little emphasis in preclinical animal models. The objective of the present study was to use a...

journal_title：Journal of neurotrauma

authors： Lindner MD,Plone MA,Cain CK,Frydel B,Francis JM,Emerich DF,Sutton RL

更新日期：1998-03-01 00:00:00

abstract：:Muscle strength was assessed from the maximum force that could be exerted voluntarily by triceps brachii muscles of 72 people with chronic cervical spinal cord injury (SCI) at or above C7, and 18 able-bodied (A-B) subjects. The magnitude of co-activation was estimated from the ratio of biceps brachii surface EMG to tr...

journal_title：Journal of neurotrauma

authors： Thomas CK,Tucker ME,Bigland-Ritchie B

更新日期：1998-02-01 00:00:00

abstract：:We have used an in vitro trauma model to examine the effects of modulation of group III metabotropic glutamate receptors (mGluR) on post-traumatic neuronal cell death. Rat cortical neuronal/glial cultures were subjected to standardized mechanical injury using a punch that delivers 28 parallel cuts to 96-well culture p...

journal_title：Journal of neurotrauma

authors： Faden AI,Ivanova SA,Yakovlev AG,Mukhin AG

更新日期：1997-12-01 00:00:00

abstract：:Although atrophic changes have been well described following traumatic brain injury (TBI) in humans, little is known concerning the mechanisms or progression of brain tissue loss. In the present study, we evaluated the temporal profile of histopathological changes following parasagittal fluid-percussion (FP) brain inj...

journal_title：Journal of neurotrauma

authors： Smith DH,Chen XH,Pierce JE,Wolf JA,Trojanowski JQ,Graham DI,McIntosh TK

更新日期：1997-10-01 00:00:00

abstract：:The exact mechanism of hypothermic cerebroprotection after traumatic brain injury (TBI) is not fully understood. The present study was conducted to investigate the effects of mild hypothermia on trauma-induced synthesis of nitric oxide (NO), which has been implicated in the pathogenesis of ischemic brain damage associ...

journal_title：Journal of neurotrauma

authors： Sakamoto KI,Fujisawa H,Koizumi H,Tsuchida E,Ito H,Sadamitsu D,Maekawa T

更新日期：1997-05-01 00:00:00

abstract：:The present study evaluated the effects of two novel N-methyl-D-aspartate (NMDA) receptor blockers and ifenprodil derivatives, CP-101,606 and CP-101,581, and their racemic mixture CP-98,113, on spatial memory and regional cerebral edema following experimental fluid-percussion (FP) brain injury in the rat (n = 66). Fif...

journal_title：Journal of neurotrauma

authors： Okiyama K,Smith DH,White WF,Richter K,McIntosh TK

更新日期：1997-04-01 00:00:00

abstract：:Much recent research has focused on the pathological significance of calcium accumulation in the central nervous system (CNS) following cerebral ischemia, spinal cord injury (SCI), and traumatic brain injury (TBI). Disturbances in neuronal calcium homeostasis may result in the activation of several calcium-sensitive e...

journal_title：Journal of neurotrauma

authors： Kampfl A,Posmantur RM,Zhao X,Schmutzhard E,Clifton GL,Hayes RL

更新日期：1997-03-01 00:00:00

abstract：:Experimental compression injury of the spinal cord in guinea pigs results in delayed neurologic deficits that continue to increase in severity for several days following trauma, coincident with inflammatory responses, including invasion of the lesion by mononuclear phagocytes and increased levels of the neurotoxin qui...

journal_title：Journal of neurotrauma

authors： Blight AR,Leroy EC Jr,Heyes MP

更新日期：1997-02-01 00:00:00

abstract：:Experimental enhancement of noradrenergic activity following traumatic brain injury (TBI) accelerates behavioral recovery if performed at a time when brain norepinephrine (NE) turnover is decreased. But, since NE turnover is markedely increased immediately after TBI, the present study was undertaken to evaluate the ef...

journal_title：Journal of neurotrauma

authors： Dunn-Meynell AA,Yarlagadda Y,Levin BE

更新日期：1997-01-01 00:00:00

abstract：:To evaluate new pharmacologic agents with potentially beneficial effects on posttraumatic spinal cord function, we used a modified weight drop (WD) technique to induce spinal cord injuries. These contusive spinal cord injuries in the rat closely mimic the human clinicopathologic situation. Especially for drug screenin...

journal_title：Journal of neurotrauma

authors： van de Meent H,Hamers FP,Lankhorst AJ,Buise MP,Joosten EA,Gispen WH

更新日期：1996-12-01 00:00:00

abstract：:Studies measuring the volume of infarcted tissue and survival after pharmacologic intervention in stroke are complicated by the potential effect of survival time on infarct volume. In this study, the volume of infarcted tissue as defined by 2,3,5-triphenyltetrazolium chloride staining was determined in rabbits at 28 h...

journal_title：Journal of neurotrauma

authors： Browning JL,Widmayer MA,Hoffmann KK,Dudley AW Jr,Baskin DS

更新日期：1996-10-01 00:00:00

abstract：:We evaluated in rats, the time course of changes in extracellular levels of amino acids, lactate and pyruvate, which ensued spinal cord compression of mild, moderate, and severe degrees. The neurochemical findings measured by HPLC were compared with known outcome measures of this model. A laminectomy of vertebrae Th7 ...

journal_title：Journal of neurotrauma

authors： Farooque M,Hillered L,Holtz A,Olsson Y

更新日期：1996-09-01 00:00:00

abstract：:In a new, reproducible model of rodent focal cortical injury, we have shown that in the absence of early traumatic disruption of the microvasculature and subsequent hemorrhage, delayed perivascular protein leakage and polymorphonuclear leukocyte infiltration of the injured cortex occur. In this study we employed a sen...

journal_title：Journal of neurotrauma

authors： Mathew P,Bullock R,Teasdale G,McCulloch J

更新日期：1996-08-01 00:00:00

abstract：:Previous studies in our laboratory have shown that polyethylene glycol-conjugated superoxide dismutase (PEG-SOD) or lidocaine treatment before experimental fluid-percussion brain injury in rats reduces the cortical hypoperfusion normally found in the early posttraumatic period. The purpose of the current study was to ...

journal_title：Journal of neurotrauma

authors： Hamm RJ,Temple MD,Pike BR,Ellis EF

更新日期：1996-06-01 00:00:00

abstract：:Laser Doppler flowmetry (LDF) was used to study acute ipsilateral and contralateral disturbances of regional cerebral blood flow (rCBF) in a rat model of cerebral cortical contusion trauma. Twelve rats were intubated and artificially ventilated during and after trauma. Injury was produced with a weight drop technique ...

journal_title：Journal of neurotrauma

authors： Nilsson P,Gazelius B,Carlson H,Hillered L

更新日期：1996-04-01 00:00:00

abstract：:The role of endothelin (ET) in the pathophysiology of secondary neural damage after experimental spinal cord injury (SCI) was examined in a rat model of weight-drop contusion injury. Initial studies demonstrated a significant increase in spinal ET concentrations in a 7.5-mm segment of tissue (centered at the impact si...

journal_title：Journal of neurotrauma

authors： Salzman SK,Acosta R,Beck G,Madden J,Boxer B,Ohlstein EH

更新日期：1996-02-01 00:00:00

abstract：:Sixty-eight patients were entered into a randomized, prospective, double-blinded controlled trial of supplemental zinc versus standard zinc therapy to study the effects of zinc supplementation on neurologic recovery and nutritional/metabolic status after severe closed head injury. One month after injury, the mortality...

journal_title：Journal of neurotrauma

authors： Young B,Ott L,Kasarskis E,Rapp R,Moles K,Dempsey RJ,Tibbs PA,Kryscio R,McClain C

更新日期：1996-01-01 00:00:00

abstract：:Controlled cortical impact (CCI) is a contemporary model of experimental cerebral contusion. We examined the cerebrovascular and neuropathologic effects of a severe CCI in rats. The utility of magnetic resonance imaging (MRI) for the assessment of contusion volume after severe CCI was also established. Severe CCI (3.0...

journal_title：Journal of neurotrauma

authors： Kochanek PM,Marion DW,Zhang W,Schiding JK,White M,Palmer AM,Clark RS,O'Malley ME,Styren SD,Ho C

更新日期：1995-12-01 00:00:00

abstract：:Central nervous system injuries such as focal brain ischemia and trauma are known to initiate inflammatory reactions. To demonstrate the involvement of adhesion molecules in these inflammatory responses, we have observed significant increases of ICAM-1 and ELAM-1 mRNA expression in the ischemic cortex of rats by means...

journal_title：Journal of neurotrauma

authors： Wang X,Feuerstein GZ

更新日期：1995-10-01 00:00:00

abstract：:This paper encompasses the prediction of early and late recovery from traumatic brain injury (TBI). Predictors of the duration of coma and the utilization of posttraumatic amnesia duration to predict residual memory function are discussed. The issues surrounding prediction of long-term neurobehavioral recovery from TB...

journal_title：Journal of neurotrauma

authors： Levin HS

更新日期：1995-10-01 00:00:00

abstract：:Clinical studies have documented the importance of secondary brain insults in determining neurologic outcome after head injury. Delayed intracranial hematomas are one of the most easily remediable causes of secondary injury if identified early, but can cause significant disability or death if not promptly recognized a...

journal_title：Journal of neurotrauma

authors： Robertson CS,Gopinath SP,Chance B

更新日期：1995-08-01 00:00:00