Oxygen therapy no better than placebo for treating concussion, study finds

How many times will HBOT need to be proven to not be useful before it stops being mentioned as a solution to brain injuries?

Hyperbaric Oxygen Therapy Can Improve Post Concussion Syndrome Years after Mild Traumatic Brain Injury - Randomized Prospective Trial

I'm not sure I trust this. At least one of the authors, Dr. Shai Efrati, is directly associated with
Head of the Hyperbaric Unit at Assaf Harofeh Medical Center. Using SPECT scan to prove anything may be worthless.

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TAU Research Team Discovers New Treatment for Stroke 

You will notice it doesn't say anything about recovery, only 'increased neuronal activity'.  That is a huge red flag stating that this hasn't proven anything.  

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Can Hyperbaric Oxygen Repair the Damaged Brain?

While many agree that Efrati’s data are promising, a prior study run by the U.S. Air Force found no significant differences between hyperbaric oxygen treatment and a sham treatment on patients with mild traumatic brain injury (TBI). Both groups showed significant improvement over the course of the trial.  

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hbot as stroke therapy - quackery?

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Long Course Hyperbaric Oxygen Stimulates Neurogenesis and Attenuates Inflammation after Ischemic Stroke

see if the conclusions match the results. I doubt it.  

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Hyperbaric Oxygen Induces Late Neuroplasticity in Post Stroke Patients - Randomized, Prospective Trial

Shai Efrati has conflicts, he is the director of the Hyperbaric Oxygen Institute at the Assaf Harofeh Medical Center.
Without reading the complete article I wouldn't trust this because 6 of them work for the
Hyperbaric Oxygen Institute. They believe because they have to believe.

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This is a fascinating idea, treat your recently oxygen starved brain with more reduced oxygen supply.

Mayo clinics take:

Agency Research for Healthcare and Quality:

 The latest here:

Oxygen therapy no better than placebo for treating concussion, study finds