Alok Tyagi

ORCID: 0000-0002-6881-1497
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About
Contact & Profiles
Research Areas
  • Migraine and Headache Studies
  • Trigeminal Neuralgia and Treatments
  • Occupational Health and Safety Research
  • Risk and Safety Analysis
  • Sympathectomy and Hyperhidrosis Treatments
  • Vagus Nerve Stimulation Research
  • Blood groups and transfusion
  • Botulinum Toxin and Related Neurological Disorders
  • Hepatitis B Virus Studies
  • Hydrology and Sediment Transport Processes
  • Ophthalmology and Eye Disorders
  • Groundwater flow and contamination studies
  • Epilepsy research and treatment
  • Hydrology and Watershed Management Studies
  • Blood donation and transfusion practices
  • Neurological Complications and Syndromes
  • Urban and spatial planning
  • Soil erosion and sediment transport
  • Complementary and Alternative Medicine Studies
  • Quality and Safety in Healthcare
  • Vestibular and auditory disorders
  • Neurosurgical Procedures and Complications
  • Pain Management and Treatment
  • Reservoir Engineering and Simulation Methods
  • Pharmacological Effects and Toxicity Studies

NHS Greater Glasgow and Clyde
2024

University of Petroleum and Energy Studies
2023

Institute of Management Technology
2023

Indira Gandhi Institute of Technology
2023

Indian Institute of Technology Roorkee
2022

Institute of Neurological Sciences
2010-2022

Queen Elizabeth University Hospital
2016-2022

Sawai ManSingh Medical College and Hospital
2014-2021

Southern General Hospital
2006-2019

Oklahoma State University
2005-2013

Background Clinical observations and results from recent studies support the use of non-invasive vagus nerve stimulation (nVNS) for treating cluster headache (CH) attacks. This study compared nVNS with a sham device acute treatment in patients episodic or chronic CH (eCH, cCH). Methods After completing 1-week run-in period, subjects were randomly assigned (1:1) to receive therapy during 2-week double-blind period. The primary efficacy endpoint was proportion all treated attacks that achieved...

10.1177/0333102417744362 article EN cc-by-nc Cephalalgia 2017-12-12

During the COVID-19 pandemic, patients with neuromuscular disorders, especially autoimmune myasthenia gravis, might be at greater risk of worse outcomes than otherwise healthy people because an immunocompromised state related to immunotherapy and possible respiratory bulbar muscular weakness. However, cessation in neuroinflammatory disorders has severe risks as well.1Korsukewitz C Reddel SW Bar-Or A Wiendl H Neurological era COVID-19—looking for consensus literature.Nat Rev Neurol. 2020; 16:...

10.1016/s1474-4422(20)30413-0 article EN other-oa The Lancet Neurology 2020-11-16

Calcitonin gene-related peptide (CGRP) inhibitors have been developed as options for treatment of chronic and episodic migraine. We present our experience the use erenumab in a tertiary headache centre.This was prospective clinical audit all patients commenced on following locally agreed pathway criteria over consecutive period. Patients received monthly 140 mg 3 months. Data were collected prospectively at baseline months follow up.One hundred three during study had tried median 7 previous...

10.1186/s10194-022-01456-2 article EN cc-by The Journal of Headache and Pain 2022-07-22

Chronic daily headache is a major healthcare problem, with significant resource implications for specialist services. Since 1999, GPs in Greater Glasgow have had direct access to computerised tomography (CT) investigation of chronic headache.The purpose this study assess the significance pathology, impact service, and GP satisfaction.The direct-access CT findings patients between 1999 2007 were reviewed. Radiological reports reviewed abnormal by radiologist. A neurologist those cases...

10.3399/bjgp10x544069 article EN British Journal of General Practice 2010-11-26

The erosion rate of cohesive soils is typically computed using an excess shear stress model based on the applied fluvial stress. However, no mechanistic approaches are available for incorporating additional forces, such as groundwater seepage into parameters. Seepage forces known to be significant contributors streambank and failure. objective this research was incorporate a fundamental detachment improve predictions soils. new model, which referred modified Wilson two dimensional soil...

10.1061/(asce)hy.1943-7900.0000836 article EN Journal of Hydraulic Engineering 2013-11-04

Screening of blood is mandatory for transfusion transmitted diseases and routinely done in the banks. As major source transmission hepatitis B, C, human immunodeficiency virus & many other hazards can be minimised by effective donor selection screening.To find out correlation between groups seroprevalence HIV, HBV, HCV syphilis among apparently healthy donors. Study, Setting Design: This retrospective study was conducted at bank a tertiary health care teaching centre period four years.All...

10.7860/jcdr/2013/6002.3360 article EN cc-by-nc-nd JOURNAL OF CLINICAL AND DIAGNOSTIC RESEARCH 2013-01-01

Epilepsy is a chronic neurological disorder that can have profound physical, social and psychological consequences. We aimed to assess the clinical predictors of quality life people with epilepsy. recruited 31 patients suffering from epilepsy in this cross-sectional study. Their profile was recorded. Quality Of Life (QOLIE-31) used our patients. Depression screened by Neurological Disorders Inventory (NDDI-E). Among all variables, only seizure frequency significantly correlated worry...

10.4081/mi.2014.5169 article EN cc-by Mental Illness 2014-03-04

Abstract Background Migraine is a highly prevalent neurological disease with substantial societal burden due to lost productivity. From perspective, we assessed the cost-effectiveness of eptinezumab for preventive treatment migraine. Methods An individual patient simulation discrete competing events was developed evaluate compared best supportive care adults in United Kingdom ≥ 4 migraine days per month and prior failure 3 treatments. Individuals sampled baseline characteristics were created...

10.1186/s10194-024-01749-8 article EN cc-by The Journal of Headache and Pain 2024-04-18

New daily persistent headache (NDPH) is a chronic developing in person who does not have past history of headaches. The begins acutely and reaches its peak within 3 days. It important to exclude secondary causes, particularly headaches due alterations cerebrospinal fluid (CSF) pressure volume. A significant proportion NDPH sufferers may intractable that are refractory treatment. condition best viewed as syndrome rather than diagnosis. can mimic migraine tension-type headache, it also CSF...

10.4103/0972-2327.100011 article EN cc-by-nc-sa Annals of Indian Academy of Neurology 2012-01-01

Many factors affect the erodibility of cohesive soils, such as soil characteristics, moisture content, and properties eroding fluid. Typically erosion rate soils is quantified using an excess shear stress equation, dependent on two major parameters: critical (τc) coefficient (kd). A submerged jet test (JET — Jet Erosion Test) one method for measuring these parameters. In this study, a laboratory JET new miniature version device ("mini" JET), with advantage being easier to use in field, were...

10.1061/41173(414)244 article EN World Environmental and Water Resources Congress 2011 2011-05-19

Epilepsy is a chronic neurological disorder that can have profound physical, social and psychological consequences. We aimed to assess the clinical predictors of quality life people with epilepsy. recruited 31 patients suffering from epilepsy in this cross-sectional study. Their profile was recorded. Quality Of Life (QOLIE-31) used our patients. Depression screened by Neurological Disorders Inventory (NDDI-E). Among all variables, only seizure frequency significantly correlated worry...

10.1108/mi.2014.5169 article EN cc-by Mental Illness 2014-03-04

The Sri Lanka Journal of Psychiatry (SLJP) is a peer-reviewed, open access journal published bi annually by the College Psychiatrists.The publishes original papers, brief reports including case and commentaries relevant to psychiatry allied sciences. committed maintaining conforming editorial ethical standards recommended International Committee Medical Editors.Cover “Watching waiting catch first rays dawn, similar gathering knowledge during my early years training”. Dr Charani Anuradha...

10.4038/sljpsyc.v4i2.6316 article EN Sri Lanka Journal of Psychiatry 2013-12-29

This investigation concerns the hydrodynamics of intrusion and dispersion a fresh-salt water interface in coastal ground systems. Primary attention is focused on developing model to predict rate natural aquifers. Mathematical models including density viscosity effects are incorporated. Since fresh salt miscible, transition zone created due interface, caused by secular flow tidal fluctuations. A field example using realistic parameters from aquifer presented determine extent for given...

10.1061/40792(173)370 article EN 2005-07-01

We describe a 39-year-old man who developed thunderclap headaches during hospital admission for accidental superficial burns. His magnetic resonance brain imaging was normal expect diffuse segmental vasoconstriction. Prior to admission, he consuming excessive amounts of caffeine which restarted and slowly tapered stopped over weeks. Repeat angiogram showed resolution The implications prescribed non-prescribed drugs on cerebral vasculature have been discussed.

10.1177/0036933017706892 article EN Scottish Medical Journal 2017-05-07
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