ca2 mediated damage to the optic nerve
Báo cáo y học: "Use of T2-weighted magnetic resonance imaging of the optic nerve sheath to detect raised intracranial pressure" pps
... characteristics of the population are presented in Table Optic nerve sheath and optic nerve diameters The mean ONSD in the TBI population was 5.72 ± 0.71 mm, ranging from 4.38 to 7.25 mm The mean ONSD ... dilatation (as during optic nerve oedema) but also, and predominantly, to its optic nerve sheath distension, probably caused by increased CSF pressure around the optic nerve In the present study, ... perpendicular to the optic nerve, mm behind the globe using an electronic caliper The OND and the ONSD values obtained from both sides were averaged for comparison with ICP measurements Computed tomography...
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Báo cáo y học: "Using MRI of the optic nerve sheath to detect elevated intracranial pressure" ppsx
... of the optic nerve sheath to detect raised intracranial pressure Crit Care 2008, 12:R114 Hansen HC, Helmke K: The subarachnoid space surrounding the optic nerves An ultrasound study of the optic ... intracranial pressure on the diameter of the optic nerve sheath J Neurosurg 2008, 109:255-258 Hansen HC, Helmke K: Validation of the optic nerve sheath response to changing cerebrospinal fluid pressure: ... of ICP not obviate the need for invasive ICP monitoring Invasive monitoring detects minute to minute variations in ICP and, in the case of intraventricular drains, can also be therapeutic However,...
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Báo cáo khoa học: "The stylomastoid artery as an anatomical landmark to the facial nerve during parotid surgery: a clinico-anatomic study" pptx
... confirmed histologically The artery traverses the stylomastoid foramen with the facial nerve Methods The study protocol was approved by the local committee of the ethics for human research The clinical ... given to each patient who was then asked to sign a consent form The anatomical component of the study involved dissecting 50 cadaveric hemifaces to assess the surgical anatomy of the stylomastoid ... provide specific information about the arterial-related anatomy of the trunk of the facial nerve from the stylomastoid foramen to its bifurcation The trunk of the facial nerve Page of (page number not...
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Báo cáo y học: " Pseudo-Foster Kennedy Syndrome due to unilateral optic nerve hypoplasia: a case report" pdf
... include failure of transmission of the intracranial pressure to the optic disc secondary to pressure on the vaginal sheath; or closure of the vascular bed of the optic disc [5] Our case demonstrates ... this case the finding of unilateral papilloedema was due to a congenital abnormality of the left optic disc, preventing transmission of the raised intracranial pressure to the optic nerve head ... Fundal photograph showing severe papilloedema in the right Fundal photograph showing severe papilloedema in the right eye Figure eye Fundal photograph showing a hypoplastic optic disc in the left...
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Báo cáo y học: "Use of intravitreal bevacizumab in a patient with a Von Hippel-Lindau-associated retinal haemangioblastoma of the optic nerve head: a case report" docx
... the pigmentation at the site of the argon therapy;2 Fundal Photo – Six years after presentation, post laser laser Fundal Photo – Six years after presentation, post argon laser therapy; note the ... had had prior vitrectomies, which may have altered the pharmacokinetics of the drug in the eye In the second [8], two of the five patients enrolled in the study completed the full treatment course ... factor, and transforming growth factor as well as several other growth factors and cytokines It is probably a combination of excessive amounts of these angiogenic factors that results in the...
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Evaluate the optic nerve head of early open angle glaucoma patients with high myopia using heidelberg retinal tomography II
... leaving the back of the eye They leave at the optic disk and form the optic nerve The fibers in the optic nerve pass to the brain where they connect in a special structure called the lateral geniculate ... the bottom of the cup becomes bright When the focal plane is moved beyond the bottom of the cup, the whole image appears dark again The total extend of this image series into depth, this is the ... enters the pupil, while the patient fixates on the internal fixation light that automatically center the optic nerve head in the image If the adjustment is satisfactory, the 'acquisition' button...
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Báo cáo y học: "Intraperitoneal Alpha-Lipoic Acid to prevent neural damage after crush injury to the rat sciatic nerve" docx
... debated whether the ischemia, secondary to compression, or the mechanical deformation of nerve fibers per se is the more significant etiologic factor [13] Nerve injury may depend on the length ... sciatic nerve and these effects were similar at the first hour and on the 3rd day LPO level in the tissue samples was expressed as MDA It was measured according to procedure of Ohkawa et al [11] The ... peripheral nerve [6], and after injection of NMDA into the striatum [7] However, to our knowledge, the effects of aLA on crush injury have not been investigated in the English literature [3-7] The increased...
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Threats to the Marine Environment: Pollution and Physical Damage pptx
... Oceans and the Law of the Sea – Report to the 60th session of the General Assembly, March 2005, para 104 113 Chapter 2: Threats to the Marine Environment 25 find their way into the sea from the above-mentioned ... from the oil itself, but from the detergents and other highly toxic chemical substances used to disperse the oil in the water during the subsequent clean-up.185 178 Bunker oil contains up to 27,000 ... rules of the POPs Convention, but the convention provides for a mechanism to add further chemicals to its regime.139 The POPs Convention, expanding the usual definition, also applies to “pollutants...
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Báo cáo Y học: Inhibition of SERCA Ca2+ pumps by 2-aminoethoxydiphenyl borate (2-APB) 2-APB reduces both Ca2+ binding and phosphoryl transfer from ATP, by interfering with the pathway leading to the Ca2+-binding sites ppt
... added The filters were then counted for both 3H and 4 5Ca2+ The amount of [3H]glucose trapped on each filter was used to calculate the wetting volume and was subtracted from the total Ca2+ bound to the ... 2-Aminoethoxydiphenyl borate affects the inositol 1,4,5-trisphosphate receptor, the intracellular Ca2+ pump and the non-specific Ca2+ leak from the non-mitochondrial Ca2+ stores in permeabilized A7r5 cells ... associated with Ca2+ binding Measuring To assess whether 2-APB has an effect on the conformational changes associated with Ca2+ binding to the ATPase, tryptophan fluorescence was monitored in the absence...
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Báo cáo sinh học: " The caveolae-mediated sv40 entry pathway bypasses the golgi complex en route to the endoplasmic reticulu" doc
... any point Importantly, CT traffics through the Golgi en route to the ER [16] Transport of the toxin from the Golgi to the ER is mediated by the Golgi -to- ER retrieval pathway, which normally retrieves ... escaped to the Golgi with the anterograde flux In contrast, rather than trafficking to the Golgi, SV40 was seen to traffic to a new organelle, the caveosome SV40 is then transported directly from the ... compartment to the ER (from caveosomes in the case of SV40, and from the Golgi in the case of CT), we hypothesized that the SV40 pathway from caveosomes to the ER likewise might be mediated by...
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báo cáo hóa học:" The caveolae-mediated sv40 entry pathway bypasses the golgi complex en route to the endoplasmic reticulum" doc
... any point Importantly, CT traffics through the Golgi en route to the ER [16] Transport of the toxin from the Golgi to the ER is mediated by the Golgi -to- ER retrieval pathway, which normally retrieves ... escaped to the Golgi with the anterograde flux In contrast, rather than trafficking to the Golgi, SV40 was seen to traffic to a new organelle, the caveosome SV40 is then transported directly from the ... compartment to the ER (from caveosomes in the case of SV40, and from the Golgi in the case of CT), we hypothesized that the SV40 pathway from caveosomes to the ER likewise might be mediated by...
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Báo cáo lâm nghiệp: "Rodent-caused damage to forest trees from the viewpoint of forestry practice" potx
... of them not pay attention to small mammals or cannot determine the species and so they are unable to specify which of them contribute to the damage Among the species classified as pests, the ... the monitored localities Despite the costs of rodenticides, only 7% of the foresters monitored the abundance of small mammals The rest of them decided on the application of rodenticides or other ... us to initiation of an extensive research focused on monitoring the population dynamics of rodents in forest environment, their feeding behaviour and the damage they cause At the beginning of the...
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Báo cáo lâm nghiệp: "Insect damage to cones and other mortality factors limiting natural regeneration potential of Swiss stone pine (Pinus cembra L) in the northern French Alps" doc
... or raised to the adult stage RESULTS Cone entomofauna of Swiss stone pine Three phytophagous species were observed to attack the seed cones of Swiss stone pine The weevil Polydrusus atomarius ... from June to September The sampled cones were immediately dissected in order to identify the damaging larvae and to assess the type and importance of damage (Roques, 1983) Insects were either preserved ... biology of the entomofauna feeding on seed cones of P cembra, and then to measure the respective impact of insects and other mortality factors on the potential of natural regeneration of stone pine...
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Báo cáo khoa học: "Prior surgical intervention and tumor size impact clinical outcome after precision radiotherapy for the treatment of optic nerve sheath meningiomas (ONSM)" docx
... tumor control or toxicity, show lower rates of improvement with respect to visual deficits This is most likely due to the differences in damage to the optic structures leading to visual impairment ... micro-multileaf collimator were used The median dose to the PTV was 54 Gy (range 25-66 Gy) in fractions of 1.8 - Gy None of the patients received concomitant chemotherapy All photon plans were delivered ... observed in the past [13] One main risk associated with surgery is the often inevitable dissection of the vascular supply of the nerve, which leads to severe visual impairment in about 95% of the patients...
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Báo cáo y học: "Correspondence in relation to the case report "Capnography as an aid in localizing the phrenic nerve in brachial plexus surgery. Technical note." published in May issue of Journal of Brachial Plexus and Peripheral Nerve Injury" potx
... tracings But they have not given any valid explanation to the cause of this occurrence Ventilator setting here is very important They have not mentioned anything about the ventilator rate and ... Respiratory monitoring In Miller's Anesthesia 6th edition Edited by: Miller RD Philadelphia: Elsevier Churchill Livingstone; 2005:1455-462 Dorsch JA, Dorsch SE, editors: Understanding anesthesia ... induced by patient due to inadequate anesthesia) [1] Again premature respiratory effort due to painful electrical stimulus can lead to hyperventilation leading to reduction of end tidal CO2 Thus I...
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Báo cáo y học: "Response to comments on "Capnography as an aid in localizing the phrenic nerve in brachial plexus surgery. Technical note"" docx
... Peripheral Nerve Injury 2008, 3:21 http://www.jbppni.com/content/3/1/21 With increase in the amplitude of current, there is further increase in the force of diaphragmatic contraction (akin to hiccups) ... hope the response addresses the concerns of the reader Thanking you Hemant Bhagat, Anil Agarwal, Manish S Sharma Competing interests The authors declare that they have no competing interests They ... grants nor they have any vested interests in the equipment described References Akcali DT, Ozkose Z, Yardim S: Do we need bispectral index monitoring during total intravenous anesthesia for lumbar...
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báo cáo khoa học:" Efficacy of low level laser therapy on neurosensory recovery after injury to the inferior alveolar nerve" ppt
... subject to evaluate his or her own attractiveness by comparing it to the standard photographs of the AC of the IOTN Two examiners were involved in the study, one for the DHC and the other for the ... openbite in their perception of their malocclusion Also, there is no evidence of how the severity of those traits is perceived by people These shortcomings of the IOTN indicate the need to study the ... attributed to the nature of the IOTN itself The scores of the DHC may have been exaggerated by the rank of displacement, which would give a high score in otherwise normal occlusion In addition, the...
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báo cáo khoa học:" Efficacy of low level laser therapy on neurosensory recovery after injury to the inferior alveolar nerve" ppsx
... distal nerve stumps Direct approximation of the nerve stumps would result in harmful tension across the suture line Either the nerve should be mobilized, rerouted or a nerve graft interposed to avoid ... had hypoesthesia on the area of the chin, gingiva, buccal regions and the lips, and patient III had complete paresthesia caused by the injury of the IAN Besides these impairments, the clinical ... between the right mandibular third molar tooth and the IAN before surgery (Figure 1) It was thought that these impairments had formed due to either the third molar surgery or the local anesthetic...
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Báo cáo y học: " Dendritic cell-mediated HIV-1 transmission to T cells of LAD-1 patients is impaired due to the defect in LFA-1" docx
... susceptible to HIV-1 in the absence of DC, demonstrating that the DC -mediated transmission itself is impaired, instead of the ability of HIV-1 to infect these cells The importance of the ICAM-1— ... offer new options to inhibit HIV-1 transmission Results DC -mediated transmission to LAD-1 T cells is impaired To investigate the importance of the ICAM-1— LFA-1 interaction in DC -mediated HIV-1 ... two panels We further determined by FACS that the expression of CD4 and CXCR4 was comparable to healthy controls (results not shown) In order to test the transmission efficiency to LAD-1 T cells,...
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