Nandhagopal Ramachandiran

Dr.

Former affiliation
  • 709 Citations
  • 12 h-Index
20052018
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Research Output 2005 2018

  • 709 Citations
  • 12 h-Index
  • 57 Article
  • 1 Chapter
  • 1 Review article
2018

Encephalopathy mimicking non-convulsive status epilepticus

Nandhagopal, R., Al-Murshedi, F., Al-Busaidi, M. & Al-Busaidi, A., Jan 1 2018, In : Neurosciences. 23, 1, p. 52-56 5 p.

Research output: Contribution to journalArticle

Status Epilepticus
Brain Diseases
Inborn Urea Cycle Disorder
Differential Diagnosis
Therapeutics

Proximal muscle weakness and skin rash

Ramachandiran, N., Al-Jahdhami, S. & Gujjar, A., Jan 1 2018, In : BMJ (Online). 363, k3614.

Research output: Contribution to journalReview article

Muscle Weakness
Exanthema
3 Citations (Scopus)

Recessive distal motor neuropathy with pyramidal signs in an Omani kindred: underlying novel mutation in the SIGMAR1 gene

Nandhagopal, R., Meftah, D., Al-Kalbani, S. & Scott, P., Feb 1 2018, In : European Journal of Neurology. 25, 2, p. 395-403 9 p.

Research output: Contribution to journalArticle

Mutation
Genes
Nonsense Mediated mRNA Decay
Exome
Genetic Databases
2017

Hand movement in autism spectrum disorder

Nandhagopal, R., Friday, D. & Weiss, S., 2017, (Accepted/In press) In : Journal of Clinical Neuroscience.

Research output: Contribution to journalArticle

Hand
Autism Spectrum Disorder

Hand movement in autism spectrum disorder

Nandhagopal, R., Friday, D. & Weiss, S., 2017, (Accepted/In press) In : Journal of Clinical Neuroscience.

Research output: Contribution to journalArticle

Hand
Autism Spectrum Disorder
12 Citations (Scopus)
etiracetam
Status Epilepticus
Phenytoin
Seizures
Prospective Studies
1 Citation (Scopus)

Prevalence of Sleep-Disordered Breathing During Routine Electroencephalogram (EEG): A Hospital-Based Descriptive Study

Poothrikovil, R. P., Al Asmi, A., Nandhagopal, R. & Al Abri, M., Apr 3 2017, In : Neurodiagnostic Journal. 57, 2, p. 153-164 12 p.

Research output: Contribution to journalArticle

Sleep Apnea Syndromes
Electroencephalography
Sleep
Polysomnography
Observational Studies
2016

Fever with seizure and confusion

Nandhagopal, R., Apr 14 2016, In : British Medical Journal. 353, i2023.

Research output: Contribution to journalArticle

Osmotic Diuretics
Herpes Simplex Encephalitis
Febrile Seizures
X Ray Computed Tomography
Acyclovir
2 Citations (Scopus)

Idiopathic intracranial hypertension presenting as postpartum headache

Mathew, M., Salahuddin, A., Mathew, N. R. & Nandhagopal, R., Jan 1 2016, In : Neurosciences. 21, 1, p. 52-55 4 p.

Research output: Contribution to journalArticle

Pseudotumor Cerebri
Postpartum Period
Headache
Post-Dural Puncture Headache
Posterior Leukoencephalopathy Syndrome

Recurrent episodes of stroke in a young adult: Answer

Nandhagopal, R., Al-Murshedi, F., Weiss, S. & Friday, D., Feb 1 2016, In : Journal of Clinical Neuroscience. 24, p. 170 1 p.

Research output: Contribution to journalArticle

Young Adult
Stroke

Recurrent episodes of stroke in a young adult: Question

Nandhagopal, R., Al-Murshedi, F., Weiss, S. & Friday, D., Feb 1 2016, In : Journal of Clinical Neuroscience. 24, p. 123 1 p.

Research output: Contribution to journalArticle

MELAS Syndrome
Young Adult
Stroke
2015

An adult with focal neurological deficits and inter-arm blood pressure difference

Nandhagopal, R., Oct 1 2015, In : Neurosciences. 20, 4, p. 402-403 2 p.

Research output: Contribution to journalArticle

Dissecting Aneurysm
Aortic Aneurysm
Magnetic Resonance Imaging
Blood Pressure

Cerebral angiography. Unusual connection and disconnection

Nandhagopal, R., 2015, In : Neurosciences. 20, 2, p. 179-180 2 p.

Research output: Contribution to journalArticle

Cerebral Angiography
Magnetic Resonance Angiography
Aphasia
Paresis
Brain Ischemia
3 Citations (Scopus)

Predictive value of short-term EEG recording in critically ill adult patients

Poothrikovil, R. P., Gujjar, A. R., Al-Asmi, A., Nandhagopal, R. & Jacob, P. C., 2015, In : Neurodiagnostic Journal. 55, 3, p. 157-168 12 p.

Research output: Contribution to journalArticle

Critical Illness
Electroencephalography
Brain Hypoxia-Ischemia
Brain Diseases
Coma
2014

Cri-du-chat syndrome

Nandhagopal, R. & Udayakumar, A. M., Oct 1 2014, In : Indian Journal of Medical Research. 140, October, p. 570-571 2 p.

Research output: Contribution to journalArticle

Cri-du-Chat Syndrome
Diagnostic Imaging
Karyotype
Brain
Magnetic Resonance Imaging

Focal neurological deficits after trauma

Nandhagopal, R., Jul 14 2014, In : British Medical Journal. 349, g4520.

Research output: Contribution to journalArticle

Post-Concussion Syndrome
Brain Infarction
Dissecting Aneurysm
Carotid Artery Diseases
Cerebral Hemorrhage
3 Citations (Scopus)

Nocardia brain abscess

Nandhagopal, R., Al-Muharrmi, Z. & Balkhair, A., 2014, In : QJM. 107, 12, p. 1041-1042 2 p., hcu088.

Research output: Contribution to journalArticle

Nocardia Infections
Nocardia
Brain Abscess
Hemiplegia
Fatal Outcome
5 Citations (Scopus)

Varicella zoster virus pneumonitis and brainstem encephalitis without skin rash in an immunocompetent sadult

Nandhagopal, R., Khmeleva, N., Jayakrishnan, B., White, T., Al Azri, F., George, J., Heintzman, A., Al Zeedy, K. A., Rorke-Adams, L., Gujjar, A. R., Schmid, D. S., Al-Asmi, A., Nagel, M. A., Jacob, P. C. & Gilden, D., 2014, In : Open Forum Infectious Diseases. 1, 2

Research output: Contribution to journalArticle

Human Herpesvirus 3
Encephalitis
Exanthema
Brain Stem
Pneumonia
2013
15 Citations (Scopus)
Glasgow Coma Scale
Multivariate Analysis
Metabolic Brain Diseases
Organ Dysfunction Scores
Neurology

Seizure and skin lesions

Nandhagopal, R., 2013, In : Neurosciences. 18, 1, p. 91-92 2 p.

Research output: Contribution to journalArticle

Seizures
Skin
18 Citations (Scopus)

The Nature of Progression in Parkinson's Disease: An Application of Non-Linear, Multivariate, Longitudinal Random Effects Modelling

Kuramoto, L., Cragg, J., Nandhagopal, R., Mak, E., Sossi, V., de la Fuente-Fernández, R., Stoessl, A. J. & Schulzer, M., Oct 18 2013, In : PLoS One. 8, 10, e76595.

Research output: Contribution to journalArticle

Parkinson disease
signs and symptoms (animals and humans)
Parkinson Disease
Putamen
positron-emission tomography

Treatable neuropsychiatric syndrome of catatonia: A case review from Oman

Sinawi, H. A., Ramachandiran, N., Guenedi, A. E., Obaid, Y. & Al-Asmi, A., 2013, In : Oman Medical Journal. 28, 5

Research output: Contribution to journalArticle

Oman
Catatonia
Mood Disorders
Benzodiazepines
Developed Countries

Triple brain insults following cranial trauma

Nandhagopal, R., Jul 13 2013, In : Neurosciences. 18, 3, p. 288-289 2 p.

Research output: Contribution to journalArticle

Wounds and Injuries
Brain

Visual impairment

Nandhagopal, R., Apr 20 2013, In : British Medical Journal. 346, 7904, f2163.

Research output: Contribution to journalArticle

Hemianopsia
Vision Disorders
Atrial Fibrillation
Stroke
Magnetic Resonance Imaging
2012
5 Citations (Scopus)

Acute drug overdose: Clinical profile, etiologic spectrum and determinants of duration of intensive medical treatment

Jayakrishnan, B., Al Asmi, A., Al Qassabi, A., Nandhagopal, R. & Mohammed, I., 2012, In : Oman Medical Journal. 27, 6, p. 501-504 4 p.

Research output: Contribution to journalArticle

Drug Overdose
Poisoning
Artificial Respiration
Hypotension
Pharmaceutical Preparations

A lady with facio-linguo-pharyngeal-masticatory diplegia.

Nandhagopal, R., Apr 2012, In : Neurosciences. 17, 2, p. 176-177 2 p.

Research output: Contribution to journalArticle

Anomia
Dysarthria
X Ray Computed Tomography
Facial Paralysis
Middle Cerebral Artery Infarction
6 Citations (Scopus)

Callosal warning syndrome

Nandhagopal, R., Al-Asmi, A., Johnston, W. J., Jacob, P. C. & Arunodaya, G. R., Mar 15 2012, In : Journal of the Neurological Sciences. 314, 1-2, p. 178-180 3 p.

Research output: Contribution to journalArticle

Corpus Callosum
Agraphia
Infarction
Apraxias
Stroke

Global aphasia without hemiparesis: A neuroradiologic correlation

Nandhagopal, R., Feb 2012, In : Sultan Qaboos University Medical Journal. 12, 1, p. 675-676 2 p.

Research output: Contribution to journalArticle

Aphasia
Paresis
Myasthenia Gravis
Diagnostic Errors
Muscular Diseases
Nervous System Diseases
Respiratory Insufficiency

Mystery case: EEG FOLDer

Nandhagopal, R., Poothrikovil, R. P. & Al-Asmi, A., Nov 27 2012, In : Neurology. 79, 22

Research output: Contribution to journalArticle

Cognition Disorders
Disorders of Excessive Somnolence
Young Adult
Electroencephalography
Epilepsy

Positron emission tomography in Parkinson’s disease

Appel-Cresswell, S., Ramachandiran, N., Adams, J. R. & Jon Stoessl, A., Jan 1 2012, Parkinson's Disease, Second Edition. CRC Press, p. 763-775 13 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

Positron-Emission Tomography
Parkinson Disease
Radioactivity
Radiometry
Biological Phenomena
2011
1 Citation (Scopus)

Acquired crossed aphasia in a dextral

Nandhagopal, R., Feb 2011, In : Sultan Qaboos University Medical Journal. 11, 1, p. 122-123 2 p.

Research output: Contribution to journalArticle

Aphasia
126 Citations (Scopus)

Age-specific progression of nigrostriatal dysfunction in Parkinson's disease

De La Fuente-Fernández, R., Schulzer, M., Kuramoto, L., Cragg, J., Ramachandiran, N., Au, W. L., Mak, E., McKenzie, J., McCormick, S., Sossi, V., Ruth, T. J., Lee, C. S., Calne, D. B. & Stoessl, A. J., May 2011, In : Annals of Neurology. 69, 5, p. 803-810 8 p.

Research output: Contribution to journalArticle

Parkinson Disease
Dopamine
Vesicular Monoamine Transport Proteins
Dopa Decarboxylase
Asymptomatic Diseases
1 Citation (Scopus)

A young adult with seizure and visual field defect.

Nandhagopal, R. & Al-Asmi, A., Oct 2011, In : Neurosciences. 16, 4, p. 389-390 2 p.

Research output: Contribution to journalArticle

Sturge-Weber Syndrome
Hemianopsia
Visual Fields
Young Adult
Seizures
1 Citation (Scopus)

Gliomatosis cerebri

Nandhagopal, R., Al-Asmi, A., Arunodaya, G. R., Jacob, P. C., Al-Azri, F. & Burney, I. A., Jul 2011, In : QJM. 104, 7, p. 619-620 2 p., hcq089.

Research output: Contribution to journalArticle

Neuroepithelial Neoplasms
Astrocytoma
Brain Neoplasms
Headache
Magnetic Resonance Imaging
82 Citations (Scopus)

Longitudinal evolution of compensatory changes in striatal dopamine processing in Parkinson's disease

Nandhagopal, R., Kuramoto, L., Schulzer, M., Mak, E., Cragg, J., McKenzie, J., McCormick, S., Ruth, T. J., Sossi, V., De La Fuente-Fernandez, R. & Stoessl, A. J., 2011, In : Brain. 134, 11, p. 3290-3298 9 p.

Research output: Contribution to journalArticle

Corpus Striatum
Parkinson Disease
Dopamine
Putamen
Dopamine Plasma Membrane Transport Proteins

Magnetic resonance angiogram of the brain

Nandhagopal, R. & Al-Asmi, A., Nov 19 2011, In : British Medical Journal. 343, 7832, p. 1066 1 p., d6276.

Research output: Contribution to journalArticle

Cerebral Arteries
Magnetic Resonance Angiography
Angiography
Magnetic Resonance Spectroscopy
Brain
5 Citations (Scopus)

Reversible MRI changes in prolonged status epilepticus: A case report

Gujjar, A., Jacob, P. C., Al-Asmi, A., Ramachandiran, N., Obaidi, A. & Jain, R., Jun 2011, In : International Journal of Neuroscience. 121, 6, p. 341-345 5 p.

Research output: Contribution to journalArticle

Status Epilepticus
Epilepsy
Seizures
Survival

Solitary cerebral cysticercus granuloma

Nandhagopal, R., Feb 2011, In : Sultan Qaboos University Medical Journal. 11, 1, p. 119-121 3 p.

Research output: Contribution to journalArticle

Cysticercus
Granuloma
2010
2 Citations (Scopus)

Coexistence of cerebral tubers with neurocysticercosis

Nandhagopal, R., Sep 2010, In : Southern Medical Journal. 103, 9, p. 953-955 3 p.

Research output: Contribution to journalArticle

Neurocysticercosis
Tuberous Sclerosis
Cysts
Incidental Findings
Seizures
64 Citations (Scopus)

Dopamine turnover increases in asymptomatic LRRK2 mutations carriers

Sossi, V., De La Fuente-Fernández, R., Nandhagopal, R., Schulzer, M., McKenzie, J., Ruth, T. J., Aasly, J. O., Farrer, M. J., Wszolek, Z. K. & Stoessl, J. A., Dec 15 2010, In : Movement Disorders. 25, 16, p. 2717-2723 7 p.

Research output: Contribution to journalArticle

Dopamine
Mutation
Dopamine Plasma Membrane Transport Proteins
Secondary Parkinson Disease
Parkinson Disease

Necrotizing vacuolar myopathy presenting with recurrent myoglobinuria

Nandhagopal, R., Al-Asmi, A., Arunodaya, G. R., Jacob, P. C., Al-Azri, F. & Harper, C., Nov 2010, In : International Journal of Neuroscience. 120, 12, p. 784-786 3 p.

Research output: Contribution to journalArticle

Myoglobinuria
Lipid Metabolism Disorders
Muscles
Vacuoles
Nervous System Diseases
18 Citations (Scopus)

Neuromyelitis optica: An overview

Nandhagopal, R., Al-Asmi, A. & Gujjar, A. R., Mar 2010, In : Postgraduate Medical Journal. 86, 1013, p. 153-159 7 p.

Research output: Contribution to journalArticle

Neuromyelitis Optica
Myelitis
Secondary Prevention
Multiple Sclerosis
Channelopathies

Recurrent episodes of hemiparesis and aphasia

Nandhagopal, R., Al-Asmi, A., Arunodaya, G. R., Jacob, P. C. & Al-Azri, F., Oct 23 2010, In : British Medical Journal. 341, 7778, c4674.

Research output: Contribution to journalArticle

Brain Infarction
X Ray Computed Tomography
Magnetic Resonance Angiography
Carotid Stenosis
Aphasia
20 Citations (Scopus)

Response to Heat Pain Stimulation in Idiopathic Parkinson's Disease

Nandhagopal, R., Troiano, A. R., Mak, E., Schulzer, M., Bushnell, M. C. & Stoessl, A. J., Jun 2010, In : Pain Medicine. 11, 6, p. 834-840 7 p.

Research output: Contribution to journalArticle

Parkinson Disease
Hot Temperature
Pain
Pain Perception
Visual Analog Scale
2 Citations (Scopus)

Spinal cord infarction following abdominal surgery and postoperative epidural analgaesia

Al-Asmi, A., John, R., Nandhagopal, R., Jacob, P. C., Nollain, K. & Jain, R., Dec 1 2010, In : Sultan Qaboos University Medical Journal. 10, 3, p. 396-400 5 p.

Research output: Contribution to journalArticle

Epidural Analgesia
Infarction
Spinal Cord
Oman
Spinal Cord Ischemia

Teaching NeuroImages: Vestibular schwannomas in neurofibromatosis type 2

Nandhagopal, R., Al-Asmi, A., Al-Azri, F., Jacob, P. C., Arunodaya, G. R. & Alobaidy, A., Oct 5 2010, In : Neurology. 75, 14

Research output: Contribution to journalArticle

2009

Full blown picture of Wernicke's encephalopathy

Al-Asmi, A., Nandhagopal, R., Jain, R. & Burney, I. A., Dec 7 2009, In : QJM. 103, 11, p. 891-892 2 p., hcp178.

Research output: Contribution to journalArticle

Wernicke Encephalopathy
Vitamin B Complex
Fatal Outcome
Thiamine
Magnetic Resonance Imaging
142 Citations (Scopus)

Longitudinal progression of sporadic Parkinson's disease: A multi-tracer positron emission tomography study

Nandhagopal, R., Kuramoto, L., Schulzer, M., Mak, E., Cragg, J., Lee, C. S., McKenzie, J., McCormick, S., Samii, A., Troiano, A., Ruth, T. J., Sossi, V., De La Fuente-Fernandez, R., Calne, D. B. & Stoessl, A. J., Nov 2009, In : Brain. 132, 11, p. 2970-2979 10 p.

Research output: Contribution to journalArticle

Corpus Striatum
Positron-Emission Tomography
Parkinson Disease
Disease Progression
Denervation