• Responsible to assess the integrity of neural structures and consciousness during surgical procedures. (ihrcanada.com)
  • It helps surgeons and medical teams assess the integrity of neural structures, particularly the brain and spinal cord, during surgical procedures. (archpedneurosurg.com.br)
  • Loaded with the titles of all the papers in the study, a word cloud shows the prevalence of AI concepts in the sample, including machine learning techniques like convolutional neural networks (CNN), support vector machines (SVM), and image segmentation, a digital image processing technique used in computer vision. (aip.org)
  • We excluded patients with other causes of TCS and patients who had previously undergone lumbosacral spine surgery to prevent the need for isolation of scar tissue in neural structures. (surgicalneurologyint.com)
  • It includes both monitoring of neural tissue as well as the localization of vital neural structures. (ihrcanada.com)
  • However, the proximity of the ideal screw trajectory to the fifth lumbar (L5) and first sacral nerve roots (S1), as well as the spinal canal, make neural tissue injury a potential hazard. (openorthopaedicsjournal.com)
  • Dr. Orloff also studies the regeneration of tissue that has been lost as a result of cancer therapies. (stanford.edu)
  • Moreover, others have found that this 'glial envelope' often provides a plane in which it is possible to dissect without damaging neural tissue. (craniopharyngiomas.com)
  • MR imaging has proved invaluable in anatomic depiction of the CSF spaces and the surrounding neural and non-neural tissue, though there are still some clinical situations (ie, CSF-flow alterations, communicating or noncommunicating cyst masses bordering CSF pathways, or craniospinal CSF leaks) in which further imaging tests may be required for a definitive diagnosis. (ajnr.org)
  • 3 , 4 Despite good anatomic demonstration of brain and spine tissue and CSF, there are still a number of pathologic conditions in which CSF contrast enhancement may be beneficial, including assessment of continuity and outline of subarachnoid spaces, abnormal CSF collections and leakage, arachnoid cysts, 5 or as a means to study CSF dynamics. (ajnr.org)
  • Since the 1980s, researchers have studied the effects of laser-induced hyperthermia and changes in brain tissue, meninges, and various tumor tissues in experimental models. (surgicalneurologyint.com)
  • In the last 10-15 years, MR imaging techniques have been increasingly applied to the study of molecular displacement (diffusion) in biologic tissue [ 1 , 2 ]. (ajronline.org)
  • Patients and Methods: This prospective study included a total of 50 patients, whom had gastro-intestinal tumor diagnosed by tissue biopsy and histopathology attending at General Surgery Department, Sayed Galaal Al-Azhar University Hospital. (bvsalud.org)
  • Somatosensory evoked potentials (SEPs) consist of a series of waves that reflect sequential activation of neural structures along the somatosensory pathways. (medscape.com)
  • SEPs are used for clinical diagnosis in patients with neurologic diseases, to evaluate patients with sensory sympotoms that might be psychogenic, for prognostication in comatose patients, and for intraoperative monitoring during surgeries that place parts of the somatosensory pathways at risk. (medscape.com)
  • Diffusion Tensor Imaging (DTI): DTI provides information on the brain's white matter tracts, aiding surgeons in preserving essential neural pathways during surgery. (archpedneurosurg.com.br)
  • Ketamine and Evoked Potentials EPs are utilized to monitor neural pathways during surgery, detect intraoperative stress or damage, detect neural lesions, define the level of lesions, and define abnormalities. (inlabs.la)
  • 14 Finally, a multicenter study was developed that included young patients. (ajnr.org)
  • However, an acoustic neuroma caused by neurofibromatosis type II (NF 2) is more common in young patients and those with a family history of neural tumors. (facialparalysisinstitute.com)
  • Almost all of these tumors have both solid and cystic portions, and even portions that appear densely calcified on diagnostic studies usually contain small cysts. (craniopharyngiomas.com)
  • Certain modifications in the general nomenclature introduced by the 2021 WHO classification of tumors of the CNS have an impact on how we approach the posterior fossa tumors described in this study. (archpedneurosurg.com.br)
  • Objectives: The aim of the current study was to discuss the efficacy and role of diagnostic and therapeutic laparoscopy as a new trend in managing gastrointestinal tumors. (bvsalud.org)
  • A prospective study collected and reviewed retrospectively, from 2015 to 2018, 40 patients undergoing an FT surgery section were included in the study. (surgicalneurologyint.com)
  • The prospective study collected and reviewed retrospectively, from 2015 to 2018, 40 patients undergoing a sectioning surgery for FT. We considered patients with magnetic resonance imaging (MRI) showing fibrolipoma FT or thickened FT aged from 6 months to 18 years old. (surgicalneurologyint.com)
  • There are currently no good cross-species measures of the intensity of valenced experience, though there is intriguing recent evidence that neural oscillations in the gamma band may track differences in pain intensity in both humans and nonhuman mammals. (effectivealtruism.org)
  • The authors' analysis covers eight paradigms of brain care, examining AI methods used to process information about structure and connectivity characteristics of the brain and in assessing surgical candidacy, identifying problem areas, predicting disease trajectory, and for intraoperative assistance. (aip.org)
  • Auditory, visual, and somatosensory stimuli are used commonly for clinical evoked potential studies. (medscape.com)
  • ß-hCG levels decreased from before treatment to the end of the follow-up period 3 weeks later.No cases required a hysterectomy, and no maternal complications were reported in this study.Conclusion. (bvsalud.org)
  • When present, neural abnormalities are attributable to the effects of tonsillar herniation. (medscape.com)
  • Electrocorticography (ECoG), a type of intracranial electroencephalography (iEEG), is a type of electrophysiological monitoring that uses electrodes placed directly on the exposed surface of the brain to record electrical activity from the cerebral cortex. (wikipedia.org)
  • Numerous pathophysiogenetic mechanisms have been suggested such as venous dysplasia of the emissary veins in the intracranial circulation, neural crest alterations leading to alterations of autonomic perivascular nerves, mutation of the GNAO gene in the Sturge-Weber syndrome, PIK3CA mutation in malformative/overgrowth syndromes such as the Klippel-Trenaunay syndrome, and the twin-spotting phenomenon in phakomatosis pigmentovascularis. (hindawi.com)
  • Recordings of SEPs to stimulation of the ulnar nerves at the wrists are useful for intraoperative monitoring when the mid-cervical spinal cord or parts of the brachial plexus are at risk. (medscape.com)
  • Ulnar nerve SEPs are preferred to median nerve SEPs for assessing the lower cervical spinal cord, especially during intraoperative monitoring when this part of the spinal cord is at risk, because the ulnar nerve originates from spinal roots C8-T1, whereas the median nerve originates from C6-T1. (medscape.com)
  • 4 ] Tethered cord syndrome (TCS) is a congenital condition in which the ends of the spinal cord and cauda equina are attached at different levels to the surrounding structures. (surgicalneurologyint.com)
  • 9 - 11 Data from acute and subacute physiologic and neurohistologic studies of the central nervous system provided evidence that when intrathecal gadolinium was used in doses sufficient to improve MR imaging of the CSF compartment, it was likely to be accompanied by a low incidence of acute changes in neural function or structure. (ajnr.org)
  • ECoG may be performed either in the operating room during surgery (intraoperative ECoG) or outside of surgery (extraoperative ECoG). (wikipedia.org)
  • In the paper 'Cognitive preservation following awake mapping-based neurosurgery for low-grade gliomas: A longitudinal, within-patient design study", 157 patients with DLGG were longitudinally evaluated before and 3 months after surgery with neuropsychological assessments. (sociedademedica.online)
  • The present study supports the idea that awake surgery with cognitive mapping is a safe and effective therapeutic approach in newly diagnosed DLGG patients. (sociedademedica.online)
  • The challenge in addressing the "onco-functional balance" may be accomplished with an awake mapping surgery, which will optimize extent of surgical resection while sparing critical neural structures. (sociedademedica.online)
  • Transgression of the spinal canal and neural impingement dictates expeditious corrective surgery to alleviate current compression and limit further neural damage. (renalandurologynews.com)
  • A progression in symptoms from neural impingement or pain that is not responsive to maximal nonoperative therapy usually results in the patient presenting for elective major spine surgery. (renalandurologynews.com)
  • Intraoperative Neuromonitoring takes you step by step through the proper protocols for measuring and mapping neural function, emphasizing the correct application of intraoperative recordings for improved surgical outcomes. (bookbaz.ir)
  • Allows patient involvement: Some patients enjoy the ability to watch knee arthroscopic procedures on the video monitor. (medscape.com)
  • In contrast to pain, nociception refers to the physiological neural processing of noxious stimuli, such as intra-operative surgical stimuli. (qxmd.com)
  • Direct cortical electrical stimulation (DCES), also known as cortical stimulation mapping, is frequently performed in concurrence with ECoG recording for functional mapping of the cortex and identification of critical cortical structures. (wikipedia.org)
  • We report our experience with the intrathecal use of Gd-DTPA for MR cisternography and ventriculography in pediatric patients referred for study and treatment of complex CSF-related diseases. (ajnr.org)
  • In one study, a rate 0.6% was reported in all age groups, and a rate of 0.9% was reported in a study of only pediatric patients. (medscape.com)
  • The ADvance Trial is a multicenter, 12-month, double-blind, randomized, controlled feasibility study being conducted to evaluate the safety, efficacy, and tolerability of DBS of the fornix in patients with mild, probable AD. (thejns.org)
  • Our entire study is devoted to demonstrating the presence of electrical fingerprints of consciousness in the near-death brain. (typepad.com)
  • Our objective was to examine the effects of anode location, drill bit position, and anatomical structure on the nerve monitoring technique. (openorthopaedicsjournal.com)
  • Examples of this are two- and three-dimensional visualizations, image segmentation, and the registration of all anatomical structure and pathology types. (springer.com)
  • Other functionalities are the calculation of medical metrics (dice score and Hausdorff distance), manual slice-by-slice outlining of structures in medical images, manual placing of (anatomical) landmarks in medical imaging data, visualization of medical data in virtual reality (VR), and a facial reconstruction and registration of medical data for augmented reality (AR). (springer.com)
  • While SEPs can be elicited by mechanical stimulation, clinical studies use electrical stimulation of peripheral nerves, which gives larger and more robust responses. (medscape.com)
  • ultrastructural and immunohistochemical studies have demonstrated the absence of perivascular nerves in PWS [ 14 , 17 ] favouring the hypothesis of an alteration of autonomic nerves surrounding blood vessels which causes deficits of vessel caliber modulation [ 14 , 18 ]. (hindawi.com)
  • More sophisticated features include the automatic cranial implant design with a convolutional neural network (CNN), the inpainting of aortic dissections with a generative adversarial network, and a CNN for automatic aortic landmark detection in CT angiography images. (springer.com)
  • In this 12-month, multicenter observational study, we evaluated whether a smartwatch and smartphone application could measure features of early PD. (researchgate.net)
  • These factors make effective and safe anesthesia care challenging: blood loss can be rapid and profuse, and frequently utilized neurophysiologic monitoring requires adjustments in anesthetic technique, all of which usually occur during a variety of positions, usually the prone position. (renalandurologynews.com)
  • Report all Neurophysiologic studies, ensuring that standard protocols are applied. (ihrcanada.com)
  • Background and purpose: Resting-state functional MRI (rs-fMRI) studies in Parkinson's disease (PD) patients with freezing of gait (FOG) have implicated dysfunctional connectivity over multiple resting-state networks (RSNs). (researchgate.net)
  • Currently, only a few studies have been conducted on cardiopulmonary exercise testing in overweight patients with OSA. (bvsalud.org)
  • METHODS: This study included 73 hospitalized overweight patients. (bvsalud.org)
  • The current study described the sleep profile of patients with FMS with poor sleep quality residing in urban Bangalore and determined the relationship between poor sleep and fibromyalgia variables. (bvsalud.org)
  • Methods: Eighty-six patients with FMS were included in the study. (bvsalud.org)
  • 4 , 13 After a pilot study in human patients that included only adults, the safety and feasibility of a low dose of intrathecal gadolinium administration was shown. (ajnr.org)
  • No patients experienced neurological deficits as a result of the study, and no deaths were reported. (thejns.org)
  • Objective: To study the analgesic effects of preemptive single oral dose of paracetamol, celecoxib and pregabalin in patients undergoing gynecological laparoscope. (bvsalud.org)
  • As a result, AI methods, such as machine learning, computer vision, and neural networks, are applied to some of the most difficult problems in science and society. (aip.org)
  • Animals differ in their perceptual abilities, their physiology and neural architecture, and their cognitive, affective, and social complexity. (effectivealtruism.org)
  • Papillary structures are common and are recognized as islands of squamous cells showing stellate forms in their interior. (craniopharyngiomas.com)
  • Digital health technologies can provide continuous monitoring and objective, real-world measures of Parkinson's disease (PD), but have primarily been evaluated in small, single-site studies. (researchgate.net)
  • Through this method of nociceptive monitoring, the ANI device aims to provide an objective, continuous evaluation of patient comfort levels and allow anesthesiologists to better manage surgical stress and patient analgesia, perhaps with even better efficacy than current practices used to assess nociception. (qxmd.com)
  • Several studies in animal models reported the benefits of intrathecal gadolinium-enhanced MR imaging for the study of CSF pathway disorders and outlined the tolerance and dose limits. (ajnr.org)
  • During her postdoctoral training at Rutgers and Case Western Reserve University, Dr. Rusu has developed computational tools for the integration and interpretation of multi-modal medical imaging data and focused on studying prostate and lung cancers. (stanford.edu)
  • Image data used to study brain disease, including 3D data, such as magnetic resonance imaging, diffusion tensor imaging, positron emission tomography, and computed tomography imaging, can be analyzed using computer vision AI techniques. (aip.org)
  • Pivotal studies defining our current standard of care will be highlighted, as will key ongoing trials that may influence our management of glioblastoma in the near future. (cancernetwork.com)
  • The magnitude of the stimulus required to induce a 20 mV EMG response (the current threshold) can be used to infer the distance between the tip of the drill bit and the neural structure intraoperatively. (openorthopaedicsjournal.com)
  • The location of the reference electrode relative to the drill bit determines the path which current flows through the body, and therefore the potential at any point on the nervous structure. (openorthopaedicsjournal.com)
  • In contrast, conventional electroencephalography (EEG) electrodes monitor this activity from outside the skull. (wikipedia.org)
  • Although intrathecal CT cisternography with water-soluble iodinated contrast medium has been used, very few studies have dealt with the intrathecal use of gadopentate dimeglumine (Gd-DTPA), though it appears superior to CT. (ajnr.org)
  • Gadopentate dimeglumine (Gd-DTPA) was the first contrast medium approved for intravenous use in MR imaging studies, and a high level of safety and tolerance has been proved in its clinical use. (ajnr.org)
  • We also introduce an alternative source search mode for situations of low event rates using a neural network and simulation based training data to provide a fast estimation of the source's angular direction. (nature.com)
  • Intraoperative and perioperative data were collected prospectively. (thejns.org)
  • The UK Biobank data set goes deep into genomics, metabolomics, brain, heart, and ocular imaging, providing granular and specific measurements to inform many fields of study. (cdc.gov)
  • In this narrative review, we examine 84 foundation models trained on non-imaging EMR data (i.e., clinical text and/or structured data) and create a taxonomy delineating their architectures, training data, and potential use cases. (cdc.gov)
  • Imaging modalities such as computed tomography (CT) and magnetic resonance imaging (MRI) are widely used in diagnostics, clinical studies, and treatment planning. (springer.com)
  • Since imaging modalities, such a computed tomography (CT) and magnetic resonance imaging (MRI), are widely used in diagnostics, clinical studies, and treatment planning, automatic algorithms for (bio-)medical image processing and analysis have become an invaluable tool in medicine. (springer.com)
  • One tough problem is the diagnosis, surgical treatment, and monitoring of brain diseases. (aip.org)
  • We offer events from yoga to research lectures, and plenty of study and meeting spaces. (illinois.edu)
  • The main goal in Awake monitoring with intraoperative electrical mapping is maintain the quality of life (QOL) by maximizing the extent of resection (EOR) while sparing critical neural structures. (sociedademedica.online)
  • In my last post I linked to a study of electrical activity in the brains of lab rats undergoing cardiac arrest. (typepad.com)
  • This study investigated the relationship between functional movement (FM) and adiposity in adolescents (16-17 years). (preprints.org)
  • Reduces blood loss: In total hip arthroplasty (THA), studies have demonstrated that both spinal and epidural anesthesia tend to have approximately a 30% reduction in intraoperative blood loss compared with general anesthesia , owing to lower arterial and venous pressures. (medscape.com)
  • I've since had a chance to read the study and some critical arguments and counterarguments more carefully. (typepad.com)
  • state that it is misleading to describe the rat brain as hyperaroused because the EEG power at near death was only a small fraction of that of the waking state in our study. (typepad.com)
  • Many studies have shown that the completion of adjuvant chemotherapy improves the survival rate. (bvsalud.org)
  • 95 96 97 ] Since those early studies, low-power lasers have been used in diagnostic and therapeutic applications in a wide variety of medical areas. (surgicalneurologyint.com)
  • Cyst walls can vary from thin, diaphanous membranes to thick, tough structures, which may be hard and rigid because of calcium salt deposition. (craniopharyngiomas.com)
  • Using depth electrodes, the local field potential gives a measure of a neural population in a sphere with a radius of 0.5-3 mm around the tip of the electrode. (wikipedia.org)
  • The treatment approach to facial paralysis in this patient population depends on the intraoperative surgical findings. (facialparalysisinstitute.com)
  • A systematic search for relevant studies was conducted using the following databases: Embase (OVID), MEDLINE® (OVID), APA PsycInfo (OVID), Global Health (OVID) and HMIC Health Management Information Consortium (OVID) through June 2022 reported according to PRISMA 2020 guidelines. (qxmd.com)
  • This research is a part of the CRO-PALS study conducted in a random sample of adolescents (n=652, mean age±SD: 16.6±0.4). (preprints.org)
  • abstract: STUDY DESIGN:Basic animal research. (shengsci.com)
  • I find this whole area of research very interesting, and it does seem to me that this study offers the first possibility of a naturalistic explanation for some aspects (though not all aspects) of NDEs. (typepad.com)
  • However, recent studies clearly indicate that IDH -mutated glioblastomas have a more protracted natural course. (cancernetwork.com)