The most common type of stroke is ischemic stroke which is when blood clots or other particles block the blood vessels to the brain. After having a stroke, it is vital that the individual receives treatment for a stroke sooner to minimize the damage to the brain. Therefore, ensuring the levels of oxygen and an adaptive blood circulation in the brain is crucial in stroke rehabilitation.

Studies have shown that HBOT can increase the supply of oxygen to the parts of the brain affected by stroke, it can lessen brain swelling and protect brain cells, which aims to reduce the extent of irreversible brain damage and lead to better outcomes.