Nandhagopal Ramachandiran

Dr.

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

  • 718 Citations
  • 12 h-Index
  • 57 Article
  • 1 Chapter
  • 1 Review article
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Article
2005
2 Citations (Scopus)

Thalamic disequilibrium syndrome after thrombolytic therapy for acute myocardial infarction

Nandhagopal, R., Vengamma, B., Krishnamoorthy, S. G., Rajasekhar, D. & Subramanyam, G., Aug 9 2005, In : Neurology. 65, 3, p. 494 1 p.

Research output: Contribution to journalArticle

Thalamic Diseases
Thrombolytic Therapy
Myocardial Infarction
2006
12 Citations (Scopus)

Generalised convulsive status epilepticus: An overview

Nandhagopal, R., Nov 2006, In : Postgraduate Medical Journal. 82, 973, p. 723-732 10 p.

Research output: Contribution to journalArticle

Status Epilepticus
Clinical Protocols
Intensive Care Units
Epilepsy
Emergencies

Medial medullary infarction

Nandhagopal, R., Krishnamoorthy, S. G. & Srinivas, D., Feb 2006, In : Journal of Neurology, Neurosurgery and Psychiatry. 77, 2, p. 215 1 p.

Research output: Contribution to journalArticle

Infarction
9 Citations (Scopus)

Neurological picture. Eight-and-a-half syndrome.

Nandhagopal, R. & Krishnamoorthy, S. G., Apr 2006, In : Journal of Neurology, Neurosurgery and Psychiatry. 77, 4, p. 463 1 p.

Research output: Contribution to journalArticle

Lacrimal Apparatus Diseases
Ophthalmoplegia
Motor Neuron Disease
Diplopia
Pons
4 Citations (Scopus)

Tigroid and leopard skin pattern of dysmyelination in metachromatic leucodystrophy

Nandhagopal, R. & Krishnamoorthy, S. G., Mar 2006, In : Journal of Neurology, Neurosurgery and Psychiatry. 77, 3, p. 344 1 p.

Research output: Contribution to journalArticle

Panthera
Metachromatic Leukodystrophy
Consanguinity
X Ray Computed Tomography
Neurologic Examination

Unsteady gait.

Nandhagopal, R. & Krishnamoorthy, S. G., May 2006, In : Postgraduate Medical Journal. 82, 967

Research output: Contribution to journalArticle

Neurologic Gait Disorders
Ataxia Telangiectasia
Referral and Consultation
2008
6 Citations (Scopus)

Apparently persistent weakness after recurrent hypokalemic paralysis: A tale of two disorders

Ramachandiran, N., Sep 2008, In : Southern Medical Journal. 101, 9, p. 940-942 3 p.

Research output: Contribution to journalArticle

Renal Tubular Acidosis
Paralysis
Osteomalacia
Hypokalemia
Sjogren's Syndrome
56 Citations (Scopus)

Invited Article: Functional imaging in Parkinson disease

Nandhagopal, R., McKeown, M. J. & Stoessl, A. J., Apr 2008, In : Neurology. 70, 16 PART 2, p. 1478-1488 11 p.

Research output: Contribution to journalArticle

Parkinson Disease
Corpus Striatum
Disease Progression
Placebo Effect
Inborn Genetic Diseases
84 Citations (Scopus)

Progression of dopaminergic dysfunction in a LRRK2 kindred: A multitracer PET study

Nandhagopal, R., Mak, E., Schulzer, M., McKenzie, J., McCormick, S., Sossi, V., Ruth, T. J., Strongosky, A., Farrer, M. J., Wszolek, Z. K. & Stoessl, A. J., Nov 25 2008, In : Neurology. 71, 22, p. 1790-1795 6 p.

Research output: Contribution to journalArticle

Dopamine Plasma Membrane Transport Proteins
Mutation
Positron-Emission Tomography
Parkinson Disease
fluorodopa F 18
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
143 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
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
65 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

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
128 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
83 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
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
7 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
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
19 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
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
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
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: 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