Dormant cells in the penumbra become reactivated, and new capillaries also form in the area. In many cases, with a series of hyperbaric oxygen and HBOT treatments, stroke victims’ function improves. This brings down brain swelling and provides crucial nutrients to oxygen-starved brain matter, muscle and bone. The body receives 1,500 to 2,000 times the O2 concentration it would when a person breathes in normal room air. Hyperbaric oxygen therapy floods blood plasma, lymph fluids and cerebrospinal fluid (the clear, watery fluid that fills the brain and spine) with pure oxygen at higher than normal atmospheric pressures. Severe brain infarctions cause swelling that also intensifies pressure on the remaining viable brain tissue. The ability of a stroke victim to recover using hyperbaric oxygen and HBOT (or any other medical treatment) depends on several factors: the infarct size and location and the condition of the penumbra (the area between dead tissues and the non-impacted brain). ![]() ![]() The area of dead brain tissue resulting from a lack of blood supply is known as an infarct. HBOT works by improving blood flow to a stroke patient’s damaged brain tissues.
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