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About Stroke

Department of Neurosciences at Vimhans Nayati Super Speciality Hospital is a centre of excellence offering advanced facilities for the comprehensive care and management of stroke patients.

Stroke is a condition triggered by a sudden and abrupt shortage of oxygenated blood to the brain which causes the brain cells to die within no time. Hence the problem requires immediate medical intervention to prevent any further damage as this can be irreversible. With a prevalence of 119 to 145 cases in a population of 1,00,000, stroke is one of the leading causes of mortality and disability in India. Vimhans Nayati, with its advanced emergency care facilities, offers the best facilities for the treatment and rehabilitation of stroke patients.

  • Ischemic Stroke – It is the most common type of stroke triggered by the narrowing of the blood vessels present in the brain due to plaque accumulation.
  • Haemorrhagic stroke – It is caused by the rupturing of blood vessels in the brain that causes the blood to leak and flow in the surrounding areas.
  • Transient ischemic attack (TIA) – Also known as a mini-stroke, it is also triggered by a temporary decrease in the blood supply to the brain which lasts only for a few minutes.

Symptoms that might be an indication of Stroke

Early recognition of stroke symptoms can help you to avoid unnecessary complications by seeking immediate medical help. If you suspect that a person might be having a stroke, remember BE FAST.

  • B stands for balance – Difficulty in maintaining balance with loss of coordination.
  • E stands for eyes – Evident vision problems in one or both eyes
  • F stands for Face – Facial paralysis or numbness in the face that makes it appear uneven
  • A stands for Arms – Numbness or weakness in the upper limbs
  • S stands for Speech – Slurred speech or inability to speak at all
  • T stands for Time – Immediate medical intervention is a must. Call our experts now.

What causes a Stroke?

Ischemic stroke – It is caused by severe narrowing or blockage of the blood vessels present in the brain that hinders the flow of blood to the brain. The deficiency of this oxygenated blood causes the brain cells to die. One of the major causes of this blockage is plaque i.e. unwanted fatty deposits that get accumulated in the blood vessels over time.

Some studies have suggested that COVID-19 infection might also be a potential cause of Ischemic stroke. Studies and researches are still going on to prove the same.

Haemorrhagic stroke – It is triggered by the rupturing of the blood vessels present in the brain which may be a result of any of the following:

  • High blood pressure
  • Excessive use of blood thinners
  • Severe trauma sustained in an accident
  • Weakening of the vessel walls due to protein deposits
  • Ischemic stroke that is left untreated

Transient ischemic attack (TIA) – Just like ischemic stroke, this is also triggered by a blockage in the brain’s blood vessels due to clot or debris, however, this blockage is temporary and may only last for a few minutes.

Factors that increase the risks of Stroke

Factors that have been found to increase the risks of stroke include:

  • Excessive body weight or obesity
  • Stagnant lifestyle
  • Excessive or heavy drinking
  • Use of drugs
  • High blood pressure
  • Excessive smoking
  • Underlying problems like cholesterol, diabetes and obstructive sleep apnoea
  • Personal or family history of stroke
  • COVID-19 infection

State of the are diagnostic procedures offered at Vimhans Nayati

  • Physical examination to assess the impact of the stroke on your nervous system
  • Blood tests to evaluate the blood clots and determine your blood sugar levels
  • CT scan to create detailed images of the brain for determining an ischemic stroke, tumour or bleeding in the brain
  • MRI scan to determine the extent of damage to the brain tissues caused by an ischemic stroke or brain haemorrhage
  • Carotid ultrasound to examine the arteries present in the neck for any traces of plaque
  • Cerebral angiogram for a detailed examination of the arteries present in the brain and neck
  • Echocardiogram, which uses sound waves to generate detailed images of the heart. It helps to determine the source of a clot that is causing the blockage.

Treatments offered by Vimhans expertise

Various cutting-edge treatment options offered at Vimhans Nayati for the treatment of stroke patients include:

Ischemic stroke
  • Emergency IV medication to dissolve or break the clots and restore the flow of blood. In some cases, it can help the patient to recover completely.
  • Emergency endovascular procedures for more targeted treatments like removal of the clot with the help of a stent retriever and catheter-based medication.
  • Carotid endarterectomy for removing plaque from the carotid artery i.e. the arteries present in the neck.
  • Angioplasty and stent placement to treat narrowed arteries and keep them open.
Haemorrhagic stroke
  • Emergency facilities like IV medication and blood transfusion. The major focus is on alleviating the flow of blood to reduce or stop the leakage. This may be done by using special drugs to lower the pressure on the brain
  • Surgical intervention to relieve pressure from the brain and repair damaged blood vessels. Surgery may also be recommended for treating aneurysms, arteriovenous malformation (AVM) or other blood vessels related problems that are triggered by the stroke:
  • Surgical clipping to prevent the aneurysms from rupturing
  • Coiling or endovascular embolization to cut the blood supply to the aneurysm
  • Surgical AVM removal to negate the risks of rupturing
  • Stereotactic radiosurgery, that uses high-intensity radiations to repair various malformations in the blood vessels.

Chairman Neurosciences And Director Clinical Services

Dr. Shamsher Dwivedee


He is one of India’s most renowned neurologists with a rich experience of over 3 decades in clinical neurology.

  • Part of the team which performed the first DBS program of South East Asia.
  • In 2013 he established the Multiple Sclerosis Clinic at Vimhans.
  • He had established College of Clinical research at Vimhans. He initiated Diplomat National Board (DNB) programme in Neurology at Vimhans & PSRI.
  • Has to his credit largest number of clinical trials in India for various neurological disorders.
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Head - Neurointervention & Principal Consultant Neurosurgery

Dr. Sumit Goyal


He is an accomplished neurosurgeon, with over 15 years of hands-on experience in the field. He is one of the few neurosurgeons who is also trained in neurointervention.

  • Senior Consultant, Department of Neurosurgery and Neuro-intervention at PSRI Hospital, New Delhi
  • Associate Consultant, Department of Neurosurgery Sir Ganga Ram Hospital , New Delhi
  • Assistant Professor at Ganga Ram Institute of Post Graduate Medical Education and Research (GRIPMER)
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