نتایج جستجو برای: cerebrospinal fluid shunting

تعداد نتایج: 224624  

2017
Reid Hoshide Hal Meltzer Cecilia Dalle-Ore David Gonda Daniel Guillaume Clark C. Chen

Hydrocephalus is one of the most common diseases managed by pediatric neurosurgeons. Cerebrospinal fluid (CSF) shunting has been the mainstay of durable treatment for hydrocephalus for many decades. There are two main categories of shunt designs for regulating the extent of CSF diversion: (1) Fixed-parameter valves and (2) adjustable valves. Furthermore, these valves can also function with and ...

Journal: :Practical neurology 2015
Claudio M de Gusmäo Aaron L Berkowitz Albert Y Hung M Brandon Westover

To cite: de Gusmäo CM, Berkowitz AL, Hung AY, et al. Pract Neurol 2015;15:42–44. INTRODUCTION Cerebrospinal fluid (CSF) diversion by shunting provides effective management of hydrocephalus. However, complication rates of CSF shunts range from 5% to 50%. Most common are shunt infections and mechanical failures; these may lead either to underdrainage (with re-emergence of hydrocephalus) or overdr...

Journal: :basic and clinical neuroscience 0
nafiseh masoumi chemical & petroleum engineering department, sharif university of technology, tehran, iran. f. framanzad biomechanics group faculty, mechanical engineering department, iranian university of science and technology, tehran, iran. behnam zamanian department of chemical engineering, north eastern university, boston, ma,usa. a.s. seddighi neurosurgery department, shohada-e-tajrish hospital, shahidbeheshti university of medical sciences, tehran, iran. m.h. moosavi biomedical engineering, amirkabir university of technology, tehran, iran. s. najarian faculty of biomedical engineering, amirkabir university of technology, tehran, iran.

many diseases are related to cerebrospinal .uid (csf) hydrodynamics. therefore, understanding the hydrodynamics of csf .ow and intracranial pressure is helpful for obtaining deeper knowledge of pathological processes and providing better treatments. furthermore, engineering a reliable computational method is promising approach for fabricating in vitro models which is essential for inventing gen...

Journal: :AJNR. American journal of neuroradiology 1996
M T Zagardo W S Cail S E Kelman M I Rothman

Idiopathic intracranial hypertension is commonly associated with an empty sella, caused by herniation of subarachnoid cerebrospinal fluid through an absent or patulous diaphragma sellae. We describe the findings in two patients who presented with headache, papilledema, and visual disturbances. Diagnosis of idiopathic intracranial hypertension was made on the basis of clinical symptoms and labor...

Journal: :Revista da Sociedade Brasileira de Medicina Tropical 2014
Marcelo Corti Maria Priarone Ricardo Negroni Leonardo Gilardi Jimena Castrelo Alicia Irene Arechayala Fernando Messina Osvaldo Franze

INTRODUCTION Cryptococcosis is an opportunistic mycosis, especially in patients that are human immunodeficiency virus (HIV)-positive, and frequently involves the central nervous system. METHODS We assessed the potential of ventriculoperitoneal shunting (VPS) in preventing mortality due to uncontrollable intracranial hypertension (ICH) in 15 patients with acquired immunodeficiency syndrome (AI...

Journal: :Annali italiani di chirurgia 2008
Emmanuel M Chatzidakis George Barlas Nicolas Condilis Dimos Bouramas Demetrios Anagnostopoulos Zacharias Volikas Konstantinos Simopoulos

The aim of this study is to find out the correlation of the ventricular size of the brain, as it is estimated using brain computed tomography (CT) scan indexes in patients with normal pressure hydrocephalus (NPH), to: a) the clinical symptoms, and b) the results of cerebrospinal fluid (CSF) shunting procedures. We looked for any predictive value in the estimation of brain CT scan indexes, in pa...

رسولی, آیسا, فتورائی, ناصر, نبئی, قائمه, نبئی, ملیکه,

Background: Brain hypothermia by reducing the temperature of the cerebrospinal fluid is done by a cooling pad in the thoracic region and protect brain from the ischemic injuries. Along with the spinal cord, the brain is an essential partner in the central nervous system, and similarly, it is surrounded and protected from the bony skull and from shock by cerebrospinal fluid. The brain analyzes i...

Journal: :Turkish neurosurgery 2017
Hakan Erdogan Adnan Altun Enis Kuruoglu Ahmet Hilmi Kaya Adnan Dagcinar

AIM Ventriculoatrial (VA) shunting is a well-described cerebrospinal fluid diversion method for the treatment of hydrocephalus. However, it may be very challenging in infants and little children because of atrial catheter placement difficulties. This study aimed to create an algorithm to solve problems faced during open surgical procedures based on the present authors' experience. MATERIAL AN...

Journal: :مجله بین المللی کودکان و نوجوانان 0
ladan afsharkhas iran university of medical sci-ence, tehran, iran nasrin hoseinynejad iran university of medical sci-ence, tehran, iran zohreh kalbassi iran university of medical sci-ence, tehran, iran nasrin khalessi iran university of medical sci-ence, tehran, iran

background and objective: febrile convulsions (fc) are the most common seizure disorders in children. lumbar puncture should be considered in any case with fc who is suspected to intracranial infections. this study determined white blood cell and polymorphonuclear cell counts, protein and glucose levels in cerebrospinal fluids (cfs) of children that were hospitalized with fc. methods: in this c...

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