Experience
Stroke Research – At University of Calgary
Affiliations to Organizations
Presentations
Training & Work Experience
- Assistant Professor of Neurology and Head of Division of Stroke, Amrita Institute of Medical Sciences, Kochi from August 2013 onwards
- Stroke Fellowship, Calgary, Canada - 2011- 2013
- Consultant Neurologist, Caritas Hospital, Kottayam – 2009 – 2011
- Research Officer, Neuro epidemiology, Bombay Hospital - 01/06/2009 - 30/06/2009
- Senior Registrar in Neurology - 2006–2009
- DM Neurology under Professor Nadir E. Bharucha, Bombay Hospital Institute of Medical Sciences, Mumbai, India - Clinical decision making, regular-in patient management, teaching internal medicine and pediatrics post graduate residents, Electrophysiology, acute stroke therapeutics involving thrombolytic treatment.
- Worked with Dr. Anil Karapurkar, neuro-inteventionalist 2007, Bombay Hospital attended carotid stenting, AVM, aneurysm management
- Prof. K.Radhakrishnan, Sri Chitra Tirunal Institute, 2008 Kerala, India. - Electrophysiology training
Post M.D. Experience
- Assistant Professor (Medicine) Jan – Jun 2006 Karuna Medical College, Palghat, Kerala, India - Teaching UG students & managing medical wards
- In charge, Dept. of Cardiology 2004 – 2005 MOSSC Mission Hospital Trichur, Kerala - Management of cardiac emergencies, thrombolysis,ventilatory care
Research Experience
Ongoing projects:
- Director, province-wide Telestroke program, by Govt of Kerala state
- Principal Research Co-ordinator, Kerala State Prospective Stroke Registry, by Kerala Association of Neurologists
- Local PI, ATTEND trial ( a prospective randomzed trial on home-based physiotherapy in India)
- Local PI, Maternal and neonatal stroke registry by University of North Carolina
- Ongoing prospective studies on
- Isoprostenoids and Aspirin resistance in acute stroke
- TORBSST evaluation in acute stroke patients
- Anticoagulation in Episodic atrial tachycardia
- A two year experience of carotid stenting
- Amyloid angiopathy in TIA and stroke
Certifications of GCP, various stroke scales -NIHSS, ASPECTS, Stata12.2 course( statistical software training)
Actively involved as sub investigator in the following trials
- INTERSeCT study - Imaging study on clot features in acute stroke ( Multi centric observational study)
- ALIAS study - Randomized Trial on Albumin and placebo in acute moderate to severe ischemic stroke)
- DOUBT study- TIA like episodes prospective study
- IMS-3 study-Interventional management of stroke –RCT on endovascular or intravenous tPA trial
- CATCH study- Prospective observational study on effect of sleep apnea in minor stroke and TIA
- ASPIRE study- TIA related community study
- RESPECT study- Patent foramen ovale closure in embolic stroke – Multi centric RCT
- PROVE-IT study- Perfusion CT or CT angiography in acute stroke
- AQUT study-Acute qualitative T2 image study of reperfusion injury in acute stroke
- STOP-IT – study of Factor 7 on ICH
- SPOTLIGHT- of factor seven or placebo RCT in ICH
- GLORIA Registry-Safety registry for Dabigatran
- STAR registry- Solitaire stent retrieval in acute stroke
- ESCAPE- Randomised trial of endovascular stent retrieval and iv tPA in acute strokes within 12 hours.
Co investigator in
- Near infra red spectroscopy in Acute ischemic stroke study.
- Research Officer August 2009 - Department of Neuroepidemiology and Neurology, Bombay Hospital, Mumbai, India
- Co-investigator 2003-2004 - Leptospirosis Project, State Medical Research Council, Kerala, India
- Association of Physicians, India
- Bombay Academy of Neurosciences
- Maharashtra Association of Neurology
- Indian Academy of Neurology
- Neurological Society of India
- World Stroke Organization
- Indian Stroke Association
- Asymptomatic carotid stenosis- Is medical management sufficient’ as invited speaker at Indian Stroke Association Annual conference 2014, Trivandrum.
- Do reduced leptomeningeal collaterals in humans result in leukoaraiosis, lacunes and brain atrophy? Vivek Nambiar, Ondrej Volny, Sung Il Sohn, Emmad Qazi, Jayme Kosior, Mayank Goyal, Andrew M Demchuk, Bijoy K Menon. Europian stroke conference London 2013.
- Do baseline infarct volume thresholds predict outcome in acute ischemic stroke depending on how fast recanalization achieved? Vivek Nambiar, Sung Il Sohn, Emmad Qazi, Jayme Kosior, Mayank Goyal, Andrew M Demchuk, Bijoy K Menon-Platform presentation,European Stroke Conference , Lisbon May 2012.
- Lepto meningeal collaterals; Role in infarct growth reduction in patients with acute ischemic stroke Vivek Nambiar, Sung Il Sohn, Emmad Qazi, Abdul Qazi, Jayme Kosior, Mayank Goyal, Michael D Hill,Andrew M Demchuk, Bijoy K Menon CSC,2012
- Can attenuation characteristics on NCCT can be used instead the diffusion FLAIR mismatch in imaging triage of acute ischemic stroke patients? Vivek Nambiar, SI Sohn, E Qazi, A Qazi,J Kosior, M Goyal, MD Hill,AM Demchuk, BK Menon .Canadian Stroke Congress, Calgary, Canada 2012.
- Malignant emboli detected by TCD monitoring may predict post procedural DWI lesions and is most common during stent and distal protection device deployment during CAS. Mohammed A Almekhlafi, MD, MSc, FRCPC; Sachin Mishra, MD; Vivek Nambiar, DM, MD,Mayank Goyal, MD, FRCPC; Andrew M Demchuk,MD,FRCPC American Heart Association, Honolulu 2013.
- Qualitative or quantitative flair changes on MRI brain in acute ischemic strokes with major proximal occlusions does not predict intracranial hemorrhages S Adatia, V Nambiar, M Almekhlafi, SI Sohn, BK Menon, A Demchuk. Europian Neurological Soceity, Barcelona 2013.
- Not All Successful Reperfusion Patients Are Equal: The Need for a TICI2c Score. Mohammed A Almekhlafi, MD, MSc, FRCPC; Jamsheed Desai MD FRCPC; Sachin Mishra, MD; Vivek Nambiar, DM, MD; Muneer Eesa, MD; Bijoy K Menon, MD ; Ondrej Volny; Mayank Goyal, MD, FRCPC; Andrew M Demchuk, MD, FRCPC. ESC London 2013.
- Octogenarians should not be excluded from acute stroke intervention trials as major clinical responses arecommon with reperfusion. Mohammed A Almekhlafi, MD, MSc, FRCPC; Sachin Mishra, MD; Vivek Nambiar, DM, MD; Jamsheed Desai MD,FRCPC; Muneer Eesa, MD; Bijoy K Menon, MD; Ondrej Volny; Mayank Goyal, MD, FRCPC; Andrew M Demchuk, MD, FRCPC. ESC London 2013.
- Imaging-to- Stent deployment Time Interval Is Shorter during Daytime hours Vs. Evening Times in Endovascular Therapy for Acute Ischemic Stroke. Mohammed A Almekhlafi, MD, MSc, FRCPC, Jamsheed Desai MD FRCPC,Sachin Mishra, MD; Vivek Nambiar, DM, MD; Muneer Eesa, MD ; Bijoy K Menon, MD ; Ondrej Volny; Mayank Goyal, MD, FRCPC; Andrew M Demchuk, MD, FRCPC ESC London,2013 Accepted
- Radiographic predictors of Major neurologic improvement after Mechanical thrombectomy assisted recanalization in acute stroke. Jamsheed Desai MD FRCPC, Mohammed A Almekhlafi, MD, MSc, FRCPC, Sachin Mishra, MD; Vivek Nambiar, DM, MD; Muneer Eesa, MD ; Bijoy K Menon, MD ; Ondrej Volny; Mayank Goyal, MD, FRCPC; Andrew M Demchuk, MD, FRCPC ESC London 2013 Accepted
- Baseline clinical predictors of rapid neurological improvements in acute ishemic stroke patients treated with stentrievers. Jamsheed Desai MD FRCPC, Mohammed A Almekhlafi, MD, MSc, FRCPC; Vivek Nambiar, DM, MD; , Sachin Mishra, MD,Muneer Eesa, MD ; Bijoy K Menon, MD ; Ondrej Volny; Mayank Goyal, MD, FRCPC1; Andrew M Demchuk, MD, FRCPC ESC London 2013 Accepted
- Achieving an IV Needle to Arterial Puncture Time under 60 Minutes in Acute Endovascular Stroke Therapy is Feasible. Jamsheed Desai MD FRCPC; Mohammed A Almekhlafi, MD, MSc, FRCPC; Vivek Nambiar, DM, MD; , Sachin Mishra, MD Muneer Eesa, MD ; Bijoy K Menon, MD ; Ondrej Volny; Mayank Goyal, MD, FRCPC; Andrew M Demchuk, MD, FRCPC ESC 2013,London, Accepted
- Moya moya disease a rare cause of stroke- a case series, Vivek Nambiar,Yogesh Sharma, Nadir Bharucha. World Congress of Neurology, Bangkok. 2009
- Hansen’s disease: Uncommon presentation of a common disease,Vivek Nambiar,Yogesh Sharma, Nadir Bharucha. World Congress of Neurology, Bangkok 2009
- Bharucha NE, Raven RH, Nambiar VK. Status Epilepticus in HIV & TB. Innsbruck’s colloquium, Vienna, Austria 2009
- Primary progressive aphasia, Bombay Neurosciences Academy, 2008
- Multiple organ dysfunction in leptospirosis, API, Kerala Chapter, 2004
- Arrhythmia in leptospiral mycocarditis, API, Kerala Chapter, 2004
Training & Work Experience
- Assistant Professor of Neurology and Head of Division of Stroke, Amrita Institute of Medical Sciences, Kochi from August 2013 onwards
- Stroke Fellowship, Calgary, Canada - 2011- 2013
- Consultant Neurologist, Caritas Hospital, Kottayam – 2009 – 2011
- Research Officer, Neuro epidemiology, Bombay Hospital - 01/06/2009 - 30/06/2009
- Senior Registrar in Neurology - 2006–2009
- DM Neurology under Professor Nadir E. Bharucha, Bombay Hospital Institute of Medical Sciences, Mumbai, India - Clinical decision making, regular-in patient management, teaching internal medicine and pediatrics post graduate residents, Electrophysiology, acute stroke therapeutics involving thrombolytic treatment.
- Worked with Dr. Anil Karapurkar, neuro-inteventionalist 2007, Bombay Hospital attended carotid stenting, AVM, aneurysm management
- Prof. K.Radhakrishnan, Sri Chitra Tirunal Institute, 2008 Kerala, India. - Electrophysiology training
Post M.D. Experience
- Assistant Professor (Medicine) Jan – Jun 2006 Karuna Medical College, Palghat, Kerala, India - Teaching UG students & managing medical wards
- In charge, Dept. of Cardiology 2004 – 2005 MOSSC Mission Hospital Trichur, Kerala - Management of cardiac emergencies, thrombolysis,ventilatory care
Research Experience
Ongoing projects:
- Director, province-wide Telestroke program, by Govt of Kerala state
- Principal Research Co-ordinator, Kerala State Prospective Stroke Registry, by Kerala Association of Neurologists
- Local PI, ATTEND trial ( a prospective randomzed trial on home-based physiotherapy in India)
- Local PI, Maternal and neonatal stroke registry by University of North Carolina
- Ongoing prospective studies on
- Isoprostenoids and Aspirin resistance in acute stroke
- TORBSST evaluation in acute stroke patients
- Anticoagulation in Episodic atrial tachycardia
- A two year experience of carotid stenting
- Amyloid angiopathy in TIA and stroke
Certifications of GCP, various stroke scales -NIHSS, ASPECTS, Stata12.2 course( statistical software training)
Actively involved as sub investigator in the following trials
- INTERSeCT study - Imaging study on clot features in acute stroke ( Multi centric observational study)
- ALIAS study - Randomized Trial on Albumin and placebo in acute moderate to severe ischemic stroke)
- DOUBT study- TIA like episodes prospective study
- IMS-3 study-Interventional management of stroke –RCT on endovascular or intravenous tPA trial
- CATCH study- Prospective observational study on effect of sleep apnea in minor stroke and TIA
- ASPIRE study- TIA related community study
- RESPECT study- Patent foramen ovale closure in embolic stroke – Multi centric RCT
- PROVE-IT study- Perfusion CT or CT angiography in acute stroke
- AQUT study-Acute qualitative T2 image study of reperfusion injury in acute stroke
- STOP-IT – study of Factor 7 on ICH
- SPOTLIGHT- of factor seven or placebo RCT in ICH
- GLORIA Registry-Safety registry for Dabigatran
- STAR registry- Solitaire stent retrieval in acute stroke
- ESCAPE- Randomised trial of endovascular stent retrieval and iv tPA in acute strokes within 12 hours.
Co investigator in
- Near infra red spectroscopy in Acute ischemic stroke study.
- Research Officer August 2009 - Department of Neuroepidemiology and Neurology, Bombay Hospital, Mumbai, India
- Co-investigator 2003-2004 - Leptospirosis Project, State Medical Research Council, Kerala, India
- Association of Physicians, India
- Bombay Academy of Neurosciences
- Maharashtra Association of Neurology
- Indian Academy of Neurology
- Neurological Society of India
- World Stroke Organization
- Indian Stroke Association
- Asymptomatic carotid stenosis- Is medical management sufficient’ as invited speaker at Indian Stroke Association Annual conference 2014, Trivandrum.
- Do reduced leptomeningeal collaterals in humans result in leukoaraiosis, lacunes and brain atrophy? Vivek Nambiar, Ondrej Volny, Sung Il Sohn, Emmad Qazi, Jayme Kosior, Mayank Goyal, Andrew M Demchuk, Bijoy K Menon. Europian stroke conference London 2013.
- Do baseline infarct volume thresholds predict outcome in acute ischemic stroke depending on how fast recanalization achieved? Vivek Nambiar, Sung Il Sohn, Emmad Qazi, Jayme Kosior, Mayank Goyal, Andrew M Demchuk, Bijoy K Menon-Platform presentation,European Stroke Conference , Lisbon May 2012.
- Lepto meningeal collaterals; Role in infarct growth reduction in patients with acute ischemic stroke Vivek Nambiar, Sung Il Sohn, Emmad Qazi, Abdul Qazi, Jayme Kosior, Mayank Goyal, Michael D Hill,Andrew M Demchuk, Bijoy K Menon CSC,2012
- Can attenuation characteristics on NCCT can be used instead the diffusion FLAIR mismatch in imaging triage of acute ischemic stroke patients? Vivek Nambiar, SI Sohn, E Qazi, A Qazi,J Kosior, M Goyal, MD Hill,AM Demchuk, BK Menon .Canadian Stroke Congress, Calgary, Canada 2012.
- Malignant emboli detected by TCD monitoring may predict post procedural DWI lesions and is most common during stent and distal protection device deployment during CAS. Mohammed A Almekhlafi, MD, MSc, FRCPC; Sachin Mishra, MD; Vivek Nambiar, DM, MD,Mayank Goyal, MD, FRCPC; Andrew M Demchuk,MD,FRCPC American Heart Association, Honolulu 2013.
- Qualitative or quantitative flair changes on MRI brain in acute ischemic strokes with major proximal occlusions does not predict intracranial hemorrhages S Adatia, V Nambiar, M Almekhlafi, SI Sohn, BK Menon, A Demchuk. Europian Neurological Soceity, Barcelona 2013.
- Not All Successful Reperfusion Patients Are Equal: The Need for a TICI2c Score. Mohammed A Almekhlafi, MD, MSc, FRCPC; Jamsheed Desai MD FRCPC; Sachin Mishra, MD; Vivek Nambiar, DM, MD; Muneer Eesa, MD; Bijoy K Menon, MD ; Ondrej Volny; Mayank Goyal, MD, FRCPC; Andrew M Demchuk, MD, FRCPC. ESC London 2013.
- Octogenarians should not be excluded from acute stroke intervention trials as major clinical responses arecommon with reperfusion. Mohammed A Almekhlafi, MD, MSc, FRCPC; Sachin Mishra, MD; Vivek Nambiar, DM, MD; Jamsheed Desai MD,FRCPC; Muneer Eesa, MD; Bijoy K Menon, MD; Ondrej Volny; Mayank Goyal, MD, FRCPC; Andrew M Demchuk, MD, FRCPC. ESC London 2013.
- Imaging-to- Stent deployment Time Interval Is Shorter during Daytime hours Vs. Evening Times in Endovascular Therapy for Acute Ischemic Stroke. Mohammed A Almekhlafi, MD, MSc, FRCPC, Jamsheed Desai MD FRCPC,Sachin Mishra, MD; Vivek Nambiar, DM, MD; Muneer Eesa, MD ; Bijoy K Menon, MD ; Ondrej Volny; Mayank Goyal, MD, FRCPC; Andrew M Demchuk, MD, FRCPC ESC London,2013 Accepted
- Radiographic predictors of Major neurologic improvement after Mechanical thrombectomy assisted recanalization in acute stroke. Jamsheed Desai MD FRCPC, Mohammed A Almekhlafi, MD, MSc, FRCPC, Sachin Mishra, MD; Vivek Nambiar, DM, MD; Muneer Eesa, MD ; Bijoy K Menon, MD ; Ondrej Volny; Mayank Goyal, MD, FRCPC; Andrew M Demchuk, MD, FRCPC ESC London 2013 Accepted
- Baseline clinical predictors of rapid neurological improvements in acute ishemic stroke patients treated with stentrievers. Jamsheed Desai MD FRCPC, Mohammed A Almekhlafi, MD, MSc, FRCPC; Vivek Nambiar, DM, MD; , Sachin Mishra, MD,Muneer Eesa, MD ; Bijoy K Menon, MD ; Ondrej Volny; Mayank Goyal, MD, FRCPC1; Andrew M Demchuk, MD, FRCPC ESC London 2013 Accepted
- Achieving an IV Needle to Arterial Puncture Time under 60 Minutes in Acute Endovascular Stroke Therapy is Feasible. Jamsheed Desai MD FRCPC; Mohammed A Almekhlafi, MD, MSc, FRCPC; Vivek Nambiar, DM, MD; , Sachin Mishra, MD Muneer Eesa, MD ; Bijoy K Menon, MD ; Ondrej Volny; Mayank Goyal, MD, FRCPC; Andrew M Demchuk, MD, FRCPC ESC 2013,London, Accepted
- Moya moya disease a rare cause of stroke- a case series, Vivek Nambiar,Yogesh Sharma, Nadir Bharucha. World Congress of Neurology, Bangkok. 2009
- Hansen’s disease: Uncommon presentation of a common disease,Vivek Nambiar,Yogesh Sharma, Nadir Bharucha. World Congress of Neurology, Bangkok 2009
- Bharucha NE, Raven RH, Nambiar VK. Status Epilepticus in HIV & TB. Innsbruck’s colloquium, Vienna, Austria 2009
- Primary progressive aphasia, Bombay Neurosciences Academy, 2008
- Multiple organ dysfunction in leptospirosis, API, Kerala Chapter, 2004
- Arrhythmia in leptospiral mycocarditis, API, Kerala Chapter, 2004