Dr. Sapna Erat Sreedharan
Phone : 9061989994

DM Neurology, SCTIMST, 2005-2007

MD General Medicine, Calicut University, 2000-2003

MBBS, Calicut University,1993-1999

Professor of Neurology,SCTIMST,1st January 2023 till date

Additional Professor of Neurology,SCTIMST,2018-till date

Associate Professor of Neurology, SCTIMST, 2015-2018

Assistant Professor of Neurology, SCTIMST, 2012-2015

Ad-hoc Consultant in Neurology, SCTIMST, 2009-2012

Member of Indian Academy of Neurology -Clinical Neurophysiology subsection committee for formulating guidelines for Sleep disorders and Polysomnography 2022

Member of World Sleep Society task force group on Hypersomnias 2022

Member of writing group of World Sleep Academy 2022 under World Sleep Society and contributed to the chapter on Parasomnias.

Best paper award for the paper " CTA Predictors of recurrence risk in EC-ICA stenosis" at Indian National Stroke Conference 2021

First prize in quiz competition held at annual meeting of Indian Stroke Association-Indian National Stroke Conference 2022

Stroke -acute and rehabilitation,Sleep medicine,Neurology in systemic diseases

Atrial cardiopathy study with Department of Cardiology ,SCTIMST.

Certified Indian Sleep Medicine Specialist by World Sleep Federation 2016

Indian Academy of Neurology,Indian Stroke Organization,Indian Sleep Disorders

Association,Indian Society of Sleep Research.

Atrial cardiopathy in cryptogenic strokes in comparison with strokes of known etiologies-ICMR extramural adhoc project 5422 and 5396

Mobile Medical Application based Post Stroke care Strategy (MOBILITY) for survivors and their caregivers: A Randomized Controlled Trial-ICMR funded under INSTRuCT network of stroke trials

Stuttering lacunar strokes-predictors and outcome

Sleep dysfunction after stroke-impact on patients and carers

Predictors of recurrence risk and outcome in cryptogenic ESUS strokes

CT angiographic plaque characteristics in anterior circulation strokes-determining its prognostic significance independent of percentage stenosis

Biomarkers in predicting hemorrhagic transformation risk and outcome in Acute ischemic stroke-Intramural TDF funded project 6115

Mechanical thrombectomy in acute ischemic strokes-impact of time of onset

post stroke dysphagia predictors and outcome

Impact of preoperative OSA on outcome in cardiovascular patients undergoing vascular surgery-Project 5341

Sleep dysfunction in stroke survivors-impact on patients and carers Senior Resident Dr Avinash Kulkarni 2021-23.

Predictors of recurrence risk and outcome in cryptogenic ESUS strokes Senior Resident Dr Jithin George 2020-22

Autonomic dysfunction in first ever ischemic stroke -predictors and long term outcome Senior Resident Dr Sandeep Nayani 2012-2014

Department of Neurology,Comprehensive Stroke care centre,Comprehensive Centre for Sleep disorders.

Sapna Erat Sreedharan, Jaffar Vali Sayed, V.P. Vipina, P. Manju Mohan, V.T. Jissa, P.N. Sylaja, Dysphagia continues to impact recovery at one year after stroke-an observational study, Journal of Stroke and Cerebrovascular Diseases, Volume 31, Issue 8, 2022, 106545

Lotlikar RS, Saikiran K, George J, Namboodiri N, Sylaja PN, Sreedharan SE. Predictors of Recurrence in Symptomatic Large Artery Atherosclerosis and Cryptogenic Strokes?A Comparative Study. Journal of Stroke Medicine. March 2022. doi:10.1177/25166085221082403

Sreedharan Sapna Erat, Arun K, Kannath Santhosh, Jayadevan E R, Thulaseedharan Jissa V, Sylaja P NThe impact of time to reperfusion on recanalization rates and outcome after mechanical thrombectomy: A single center experience Annals of Indian Academy of Neurology Year : 2022 | Volume: 25 | Issue Number: 2 | Page: 256-260

Harikrishnan Ramachandran, Harini Pavuluri, Sapna Erat Sreedharan, PN Sylaja If nothing goes right, it goes to the left: A case of left anterior cerebral artery stroke due to right internal carotid artery stenosis Annals of Indian Academy of Neurology 2022 | Volume : 25 | Issue : 2 | Page : 298-300

Tandon, V., Senthilvelan, S., Sreedharan, S.E. et al. High-resolution MR vessel wall imaging in determining the stroke aetiology and risk stratification in isolated middle cerebral artery disease. Neuroradiology (2022). https://doi.org/10.1007/s00234-021-02891-9

K Arun, Poornima N Nambiar, Santhosh Kumar Kannath, Sapna E Sreedharan, Sajith Sukumaran, Sankara Sarma, PN Sylaja Prevalence of Aortic Plaques in Cryptogenic Ischemic Stroke: Correlation to Vascular Risk Factors and Future Events Neurology India 2022 | Volume : 70 | Issue : 1 | Page : 182-187

Madhukar Trivedi, Sapna Erat Sreedharan et al ,Central disorders of hypersomnolence in children and adults: A comparative study from South India Annals of Indian Academy of Neurology 2019 | Volume : 22 | Issue : 4 | Page : 442-446

Sapna Erat Sreedharan, Bejoy Thomas, PN Sylaja, Sankara P Sarma Cerebral Amyloid Angiopathy: A Clinico-Radiological Study from South India Neurology India 2020 | Volume : 68 | Issue : 2 | Page : 378-382

Shetty K,Sreedharan SE etal ,Malignant middle cerebral artery stroke management in developing world-outcome predictors July 2020 Neurology Asia 25(2 (2020)):103 ? 108

Sapna Erat Sreedharan, Jaffar Vali Sayed, V P Vipina, Manju P Mohan, Rejith Paul, PN Sylaja, Dysphagia and disability in minor strokes ? An institutional study, Journal of Stroke and Cerebrovascular Diseases, Volume 29, Issue 9, 2020, 105070, ISSN 1052-3057,

S E Sreedharan et al ,Preoperative screening for obstructive sleep apnea in cardiovascular patients - How useful is STOP-BANG questionnaire in the Indian context? July 2021Annals of Cardiac Anaesthesia 24(3):308-312

Mitta N, Sreedharan S, E, Sarma S, P, Sylaja P, N: Women and Stroke: Different, yet Similar. Cerebrovasc Dis Extra 2021;11:106-111. doi: 10.1159/000519540

Cerebrovascular diseases extra

Journal of Stroke Medicine

The Neuroradiology Journal

Annals of Indian Academy of Neurology

Sleep and Breathing

Journal of the Neurological Sciences


Sreedharan SE, Maintenance of Normoglycemia May Improve Outcome in Acute Ischemic Stroke., Ann Indian Acad Neurol, 2017, Apr-Jun;20(2):122-126
Sreedharan SE, Cerebral aneurysms and metastases occurring as a delayed complication of resected atrial Myxoma: Imaging findings including high resolution Vessel Wall MRI., Neuroradiology., 2017, May;59(5):427-429, 28361344
Sreedharan SE, Autonomic dysfunction in first ever ischemic stroke: Prevalence, predictors and short term neurovascular outcome., Clin Neurol Neurosurg., 2016, Nov;150:54-58, 27588371
Sreedharan SE, Primary CNS vasculitis presenting as intraventricular bleeding., Ann Indian Acad Neurol., 2016, Jul-Sep;19(3):406-8, 27570401
Sreedharan SE, Persistent post-stroke dysphagia treated with cricopharyngeal myotomy., Ann Indian Acad Neurol, 2016, Apr-Jun;19(2):249-51, 27293339
Sreedharan SE, Clinical and Polysomnographic predictors of Obstructive sleep apnea severity in South Indian population, Annals of Indian Academy of Neurology, 2016, 19(2):216-20, 27293333
Sreedharan SE, A novel association of Ocular Neuromyotonia with brainstem demyelination-2 case reports, Mult Scler, 2014, 20(10):1409-12, 25160126
Sreedharan SE, Moyamoya disease: A comparison of long term outcome of conservative and surgical treatment in India., journal of neurological sciences, 2014, 336(1-2):99-102, 24183032
Sreedharan SE, Employment status, social function decline and caregiver burden among stroke survivors. A South Indian study, journal of neurological sciences, 2013, 332(1-2):97-101, 23896258
Sreedharan SE, Antisynthetase syndrome with stroke-Letter to editor, Neurology India, 2013, 61(1) ;83-84, 23466851