23rd International Conference on Neurology & Neurophysiology March 18-19 , 2019 Edinburgh, Scotland

Biography:

David J Banayan MD, is an Assistant Professor in the Section of Psychiatry & Medicine at Rush University Medical Center. He is the Director of the Transplant Psychiatry Program, and Associate Director of Clinical Education for the Psychiatry Consultation Service. He is an board certified in General Psychiatry, Psychosomatic Medicine, and is a Fellow of the Royal College of Physicians of Canada. Following a Master’s degree in Clinical Epidemiology and Biostatistics at McMaster University, and Residency in Psychiatry at the University of Toronto, he completed a combined fellowship in Psychosomatic Medicine and Clinical Medical Ethics at the University of Chicago. His publications span the areas of intensive care medicine, deliruim, adolescent suicide, first episode psychosis, and research ethics. His areas of current academic interest include quality improvement in transplant psychiatry, neuroprotection, and the complex interface between general medicine, psychiatry, ethics, and the law.

Abstract:

Neuroprotection is a burgeoning area of scientific research. Certain pharmaceuticals and nutraceuticals have the potential to modify and enhance nerve cell response to toxic stimuli. This discovery has spawned intense interest in unlocking the cellular mechanisms that confer such resilience and recovery. Numerous biochemical pathways play a role in neuroprotection, such as: enhanced neutralization of molecular radicals; mitochondrial membrane integrity support; arresting generation of pro-inflammatory cell membrane metabolism products; activation of neurotrophic factors; modification of intracellular calcium homeostasis; inducing shifts in the resting endogenous balance of pro-apoptotic and anti-apoptotic factors within the cell; and others. This session introduces participants to fundamental and advanced concepts in neuroprotection through an examination of the downstream mechanisms of psychotropic agents and nutraceuticals. Recent advances in neuroprotection are also reviewed. The session will prepare clinicians to engage the literature on neuroprotection with an informed, critical eye. Proprietary animations developed by the author, bring to life difficult-to-understand abstract concepts, and provide a unique learning experience for participants. Comprehensive critical review of the biochemical sciences and biomedical literature through PubMed and EMBASE. While bench research and animal studies currently dominate the neuroprotection literature, as this nascent area of science evolves, it is hoped that it will culminate in the development of specific sub-cellular targets in humans. Human studies are costly, complicated, and require a large number of participants to show an effect, posing a potential barrier for real-world progress in neuroprotection.

Biography:

Jacintha Vikeneswary Francis is presently the Neurosurgeon, Ministry Of Health Malaysia, Hospital Sultanah Aminah Johor bahru, Malaysia since June 2016. She served as Neurosurgical Medical Officer in Hospital Kuala Lumpur and Hospital Queen Elizabeth, Kota Kinabalu Sabah from November 2006 till 2012. She attended several Conferences and was Chairman for few.

Abstract:

Background: Posterior fossa cysts are benign but usually developmental lesions. There are patient usually asymptomatic. Some cysts might communicate with these subarachnoid spaces however non-communicating cyst could develop from communicating ones giving rise to complexity of diagnosis and further management.

Case Description: One year old baby girl presented with developmental delay which is gross motor and speech with increase ICP symptoms. CT brain and MRI revealed large posterior fossa cyst extending supratentorially causing compression to the third ventricle and showing gross hydrocephalus. We proceed with endoscopic fenestration of posterior fossa cyst and ommaya insertion and subsequently proceeded with ventricular peritoneal shunt. Due to previous history of necrotizing enterocolitis (NEC), patient developed malfunction of the shunt due to poor absorption of the shunt, eventually patient required ventriculo-cysto-atrial shunt. 6 months post-procedure, patient currently does not show any evidence of recurrent cyst and developmentally showing improvement.

Conclusion: Posterior fossa cyst is rare and contributes to challenges radiologically and surgically. Current surgical management mainly depends more on clinical features giving little insights on the exact pathology of posterior fossa cyst.

Biography:

Jacintha Vikeneswary Francis is presently the Neurosurgeon, Ministry Of Health Malaysia, Hospital Sultanah Aminah Johor bahru, Malaysia since June 2016. She served as Neurosurgical Medical Officer in Hospital Kuala Lumpur and Hospital Queen Elizabeth, Kota Kinabalu Sabah from November 2006 till 2012. She attended several Conferences and was Chairman for few.

Abstract:

Background: Posterior fossa cysts are benign but usually developmental lesions. There are patient usually asymptomatic. Some cysts might communicate with these subarachnoid spaces however non-communicating cyst could develop from communicating ones giving rise to complexity of diagnosis and further management.

Case Description: One year old baby girl presented with developmental delay which is gross motor and speech with increase ICP symptoms. CT brain and MRI revealed large posterior fossa cyst extending supratentorially causing compression to the third ventricle and showing gross hydrocephalus. We proceed with endoscopic fenestration of posterior fossa cyst and ommaya insertion and subsequently proceeded with ventricular peritoneal shunt. Due to previous history of necrotizing enterocolitis (NEC), patient developed malfunction of the shunt due to poor absorption of the shunt, eventually patient required ventriculo-cysto-atrial shunt. 6 months post-procedure, patient currently does not show any evidence of recurrent cyst and developmentally showing improvement.

Conclusion: Posterior fossa cyst is rare and contributes to challenges radiologically and surgically. Current surgical management mainly depends more on clinical features giving little insights on the exact pathology of posterior fossa cyst.

Biography:

She got the degree in Chemistry and Pharmaceutical Technology (honors) in 2007 and the PhD in Neurochemistry and Neurobiology in 2011. The present scientific interests are related to neuronal transmission in the CNS and are focused on the cellular and molecular mechanisms of neurotransmitter release and receptor activity in physiological and pathological conditions, such as amyotrophic lateral sclerosis. She has established several scientific collaborations with national and international institutions. She has published 32 publications (25 papers, 6 abstract on journals and 1 graphical abstract) in peer-reviewed journals

Abstract:

Amyotrophic lateral sclerosis (ALS) is a fatal neurodegenerative disease, characterized by upper and lower motor neuron degeneration. Glutamate(Glu)-mediated excitotoxicity plays a major role in cell death and Glu has been found elevated in serum of patients and animal models of ALS. The aim of this research was to investigate whether the augmentend extracellular Glu can be sustainend by alteration of its release. Glu release was studied from purified spinal cord synaptosomes of SOD1^G93A mice at the early and the late phases of the disease (4 and 17 weeks of life, respectively). Both the spontaneous and the stimulus-evoked exocytotic Glu release were increased at the two stages studied. We also measured the expression/activation state of a number of pre-synaptic proteins involved in neurotransmitter release: few of them were found modified and synaptotagmin and actin resulted over-expressed in both 4 and 17 week-old mice. Increased pre-synaptic Ca²⁺ levels, over-activation of calcium/calmodulin-dependent kinase-II and ERK/MAP kinases correlate with hyper-phosphorylation of synapsin-I at both stages. In line with these findings, Glu exocytosis was paralleled by the increase of the readily releasable pool of vesicles and prevented by blocking synapsin-I phosphorylation, using specific antibodies. Our results highlight that abnormal glutamate release is present in the spinal cord of SOD1^G93A mice at the pre-symptomatic and late stage of the disease, an event accompanied by marked plastic changes of specific pre-synaptic mechanisms supporting exocytosis, that in turn may represent targets to diminish exitotoxicity in ALS. The precociousness of this phenomenon may imply that it represents a cause rather than a consequence of the neuronal damage during disease progression.

Biography:

Itaru Yazawa has been a Visiting Lecturer at Hoshi University School of Pharmacy and Pharmaceutical Sciences since 2015. He received his PhD in Physiology from Tokyo Medical and Dental University in 2002. With using the decebrated and arterially perfused preparation he developed, he found that there are autonomous reciprocal functional interactions between the brainstem and the spinal cord. The preparation is recognized as a vital tool for investigating functional interactions between the CNS in several research fields. Currently, he is focusing on constructing a new system where the preparation can be maintained at the same body temperature as living animals.

Abstract:

Most recent studies of motor behavior use in vitro preparations of the neonatal rodent brainstem-spinal cord and spinal cord. However, the relevance of these studies to the neural mechanisms of adult respiration/circulation and locomotion is unclear, because the neonatal brainstem and spinal cord are immature. Moreover, it has been reported that the oxygen tension in deep tissues in these preparations was extremely low compared to that in the in vivo preparations. Thus, the results obtained from these in vitro preparations might indicate the physiological phenomena produced in a hypoxic state. To overcome these difficulties in research fields using rodents, we have adapted a decerebrated and arterially perfused in situ preparation originally developed by Pickering et al., to the preparation that can investigate functional interactions between the central nervous system. For this purpose, the rodent (weighing about 5 g or more) was decerebrated and survived by a type of total artificial cardiopulmonary bypass as a means of extracorporeal circulation to deliver oxygen to the tissues of the entire body. The oxygen and ion components of body fluid required for the survival of the preparation were supplied via the blood vessels. The physiological state of this preparation resembles to that of unanesthetized rodents under hypothermia. Here we would like to introduce a decerebrated and arterially perfused in situ preparation, and talk about reciprocal functional interactions between the brainstem and the spinal cord found by using this preparation.

Biography:

Koji Abe is currently a Professor and Chairman of Neurology at Okayama University Medical School in Japan. He graduated MD from Tohoku University School of Medicine, and then got PhD title from Tohoku University under direction of Professor Kyuya Kogure. He has been publishing more than 350 papers on cerebral blood flow and metabolism and neurodegenerative diseases. His research interests cover many important fields of neurology especially in the mechanism of ischemic brain damage, gene and stem cell therapy, neuroprotection, and neuroimaging. He is the Past President of the International Society of Cerebral Blood Flow and Metabolism (CBFM), and organized World CBFM meeting in Osaka in 2007 and Japan-Asia CBFM meeting Okayama city in 2014. He is currently serving Presidents of both Vas-Cog Japan and Vas-Cog Asia societies.

Abstract:

Neuroprotection is essential for potential therapy not only in acute stage of stroke but also in chronic progressive neurodegenerative diseases such as ALS, Parkinson’s disease (PD), and Alzheimer’s disease (AD). Free radical scavenger can be such a neuroprotective candidate with inhibiting death signals and potentiating survival signals under cerebral ischemia and even neurodegenerative cellular processes. Edaravone is one such free radical scavenger, which is the first clinical drug for neuroprotection in the world and has been used from 2001 in most ischemic stroke patients in Japan. A recent multicenter prospective double-blind placebo-control clinical trial with edaravone for ALS patients conducted in Japan showed a positive effect for delaying the clinical score (ALSFRS-R) during the course of examination (24 weeks). Serious or critical adverse effect was not noted in this clinical trial. Of particular was that this clinical benefit of edaravone was shown as an add-on therapy after anti-glutamatergic riluzole. These data strongly suggest a potential underlying mechanism of oxidative stress in ALS and a clinical delay by a free radical scavenger. Antioxidative supplements are also important choices to prevent or even treat neurological disorders such as ischemic stroke and dementia. Many basic and clinical studies suggest that antioxidative supplements such as Tocovid® (mainly tocotrienol) and TwendeeX® (coenzyme Q+multivitamin) may be effective to ameliorate acute ischemic stroke, chronic cerebral white matter damage, and Alzheimer’s dementia.

Biography:

Ekaterina Drozhevskaia graduated from St. Petersburg State Pediatric Medical Academy in 2008, finished Residency in Clinical Neurophysiology at North-Western State Medical University in 2014. She was Head of Diagnostic Department in Institute of Human Brain, St. Petersburg, Russia and now working as Clinical Neurophysiologist in Turner Scientific Research Institute for Children's Orthopedics and is Chairman of Neuromuscular Disorders Society in St. Petersburg from 2015.

Abstract:

Tip-toe walking is a well-known problem in children which leads their parents to consult a specialist. This condition usually is difficult to differentiate between neurological and orthopedic disorder that’s why it needs a multidisciplinary approach and cooperation of different specialists to find a diagnosis and determine the correct treatment. 25 children with tip-toe walking (aged 1-15 years) were examined by neurologist and orthopedist. To find out the main reason of walking disorder a number of neurophysiological and radiodiagnostic methods were used. The neurophysiological investigations included EMG of lower limb muscles, NCS, TMS. Imaging included US and MRI of lower limbs muscles. Radiological method was chosen according to the age of a child. Based on the results of all examinations and investigations children were put to a different group: CNS disorder, neuromuscular disorder, orthopedic disorder - and they got treatment accordingly. These results show the importance of considering not only clinical examination by specialists, but also different types of investigations (neurophysiological and imaging) for optimizing the approach to full diagnostic and proper treatment and rehabilitation approach to children with idiopathic tip-toe walking.