Subarachnoid Space
The subarachnoid space develops early in the human embryonic period
... the subarachnoid space is seen in embryos at stage 14 (33 days) in the innermost zone of the primary meninx as irregular spaces on the ventral surface of the spinal ...this space is only on the ...
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Noninvasive intracranial pressure estimation by orbital subarachnoid space measurement: the Beijing Intracranial and Intraocular Pressure (iCOP) study
... orbital subarachnoid space (OSASW) around the optic nerve was measured with MRI at 3, 9, and 15 mm behind the ...orbital subarachnoid space (OSASW) and the lumbar cerebrospinal fluid pressure ...
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The influence of coughing on cerebrospinal fluid pressure in an in vitro syringomyelia model with spinal subarachnoid space stenosis
... The influence of coughing on the hydrodynamic environ- ment in the spinal subarachnoid space (SAS) is complex and not fully understood. Coughing has been shown to result in large and abrupt cerebrospinal ...
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CSF Flow Dynamics at the Craniovertebral Junction Studied with an Idealized Model of the Subarachnoid Space and Computational Flow Analysis
... the subarachnoid space and hypothetically to the pathogene- sis of syringomyelia and neurologic consequences of the Chiari I malformation, characterized by the descent of the cerebellar tonsils into the ...
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Differing roles for platelet activating factor during inflammation of the lung and subarachnoid space The special case of Streptococcus pneumoniae
... inflammation in the central nervous system is undefined. Using rabbit models of meningitis and pneumonia, PAF was found to induce significant blood-brain barrier permeability and brain edema at doses five times lower ...
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Inadvertent Application of a Drug Mixture into the Subarachnoid Space When Performing an Outward Going Lumbar Intervertebral Foramina Injection
... It is a common technique to inject local anesthetics and anti-inflammatory drugs for treatment of radicular neuri- tis caused by spinal degeneration in the clinic field of chronic pain. Main safety control of the ...
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Simulating CSF Flow Dynamics in the Normal and the Chiari I Subarachnoid Space during Rest and Exertion
... Velocity Changes with Increased Cycle (Heart) Rate For both the normal and the Chiari models, velocities changed smoothly and regularly over the cycle at both cycle rates. In both models, synchronous bidirectional flow ...
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Association of lipocalin-type prostaglandin D synthase with disproportionately enlarged subarachnoid-space in idiopathic normal pressure hydrocephalus
... Background: Idiopathic normal pressure hydrocephalus (iNPH) is a treatable cause of dementia, gait disturbance, and urinary incontinence in elderly patients with ventriculomegaly. Its unique morphological feature, called ...
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A 3D subject-specific model of the spinal subarachnoid space with anatomically realistic ventral and dorsal spinal cord nerve rootlets
... Computational fluid dynamics modeling relies on accu- rate representation of boundary conditions that are diffi- cult to define because of the intricate spinal subarachnoid space (SSS) geometry, complex CSF ...
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Optimal Diagnostic Indices for Idiopathic Normal Pressure Hydrocephalus Based on the 3D Quantitative Volumetric Analysis for the Cerebral Ventricle and Subarachnoid Space
... arachnoid space, the 4 segmented parts of the subarachnoid spaces, upper-to-lower subarachnoid space ratio, 3-directional linear 1D indices of the bilateral ventricles, and the callosal angle ...
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A novel index in healthy infants and children — subarachnoid space: ventricle ratio
... Subarachnoid space (SAS) can be assessed by va- rious imaging modalities, including computed tomo- graphy (CT), magnetic resonance imaging and ultra- sonography (US) [5, 6, 8, 9, ...
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Haptoglobin administration into the subarachnoid space prevents hemoglobin induced cerebral vasospasm
... the subarachnoid CSF space into the brain paren- chyma (Figure ...the subarachnoid space of ...the subarachnoid space deep into the mouse ...the subarachnoid CSF ...
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Topographical relationship of the facial and vestibulocochlear nerves in the subarachnoid space and internal auditory canal
... the subarachnoid space; and a single cochlear vestib- ular trunk with incomplete glial septa, roughly indi- cating a division between the cochlear and vestibular fibers ...
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A perfusion bioreactor-based 3D model of the subarachnoid space based on a meningeal tissue construct
... Using our bioreactor-based model of the SAS, phMECs were next cultured under pathophysiological perfu- sion conditions to simulate ONCS. phMEC-based con- structs were engineered as described above. Flow rates were ...
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Integration of the subarachnoid space and lymphatics: Is it time to embrace a new concept of cerebrospinal fluid absorption?
... bits with the use of Berlin blue [8]. A similar experiment performed in dogs revealed CSF tracer in the submaxillary and cervical lymph nodes [9]. From these early studies, numerous reports solidified a link between CSF ...
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Developmental morphology of the subarachnoid space, brain vasculature, and contiguous structures, and the cause of the Chiari II malformation
... TABLE 1: Anatomical features of the Chiari II malformation Anterior/ middle fossa Luckenschadel of the sk ull Polygyria Cortical heterotop ia Dysgenesis of the corpus callosum Large mass[r] ...
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Clinical review: Prevention and therapy of vasospasm in subarachnoid hemorrhage
... The pathophysiology of vasospasm is far from being completely understood. Histologically, there are structural alterations in endothelial and smooth muscle cells in the arterial wall [19]. The presence of oxyhemoglobin ...
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Spinal Schwannoma with Acute Subarachnoid Hemorrhage: A Diagnostic Challenge
... In our case, there was no clear history of exertion or pathologic evidence of malignant transformation. We believe that the degenerative changes, along with the mechanical stress at the conus, caused rupture of the ...
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Hyperacute cEEG Attenuation in Aneurysmal Subarachnoid Hemorrhage
... At time of ictus, blood flows from a ruptured aneurysm into subarachnoid space under high pressure causing rapid increases in ICP. Although this may create a tamponade effect to resist continuous bleeding, ...
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Aneurysmatic subarachnoid haemorrhage
... aneurysmatic Subarachnoid Haemorrhage (aSAH) is a life-threatening disease with a mortality rate of 25 – 50% [4] in which blood extravasates from a ruptured aneurysm into the subarachnoid space and ...
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