Outcome

This phase I study presents promising evidence that low-pressure hyperbaric oxygen therapy (HBOT) can significantly improve outcomes for military subjects with chronic blast-induced mild to moderate traumatic brain injury (TBI) post-concussion syndrome (PCS) and post-traumatic stress disorder (PTSD).

Introduction

The study titled “A phase I study of low-pressure hyperbaric oxygen therapy for blast-induced post-concussion syndrome and post-traumatic stress disorder” aimed to evaluate the safety and effectiveness of low-pressure hyperbaric oxygen therapy (HBOT) for military subjects suffering from chronic blast-induced traumatic brain injury (TBI) post-concussion syndrome (PCS) and post-traumatic stress disorder (PTSD). The study involved 16 military subjects who underwent 40 HBOT sessions at 1.5 atmospheres absolute (ATA) over 30 days.

Results indicated significant improvements in a variety of physical and psychological symptoms after the HBOT treatment. Subjects showed marked progress in neurological exams full-scale IQ memory attention executive function and motor speed. Specifically there were gains in full-scale IQ by 14.8 points improvements in memory and executive functions as shown by various cognitive tests and reductions in PCS and PTSD symptoms depression anxiety and overall quality of life.

SPECT brain imaging demonstrated increased regional cerebral blood flow after just one and also following 40 HBOT sessions indicating better brain oxygenation and potential improvement in brain function.

Overall the findings suggest that low-pressure HBOT can significantly enhance both brain function and quality of life in military subjects with blast-induced injuries providing a promising treatment option for PCS and PTSD in this population.

Results

The research involved sixteen military personnel who underwent 40 low-pressure hyperbaric oxygen therapy (HBOT) sessions at 1.5 atmospheres absolute (ATA) over 30 days. The study revealed significant improvements across various physical and psychological symptoms.

Participants exhibited notable progress in neurological exams cognitive functions such as full-scale IQ memory attention executive function and motor speed. Specifically full-scale IQ increased by 14.8 points. Memory and executive functions assessed through various cognitive tests showed marked enhancements. Additionally there was a substantial reduction in symptoms associated with post-concussion syndrome (PCS) and post-traumatic stress disorder (PTSD) including depression and anxiety.

Quality of life indicators significantly rose after the treatment. Brain imaging via SPECT scans showed enhanced regional cerebral blood flow following both the initial and the final HBOT sessions suggesting improved brain oxygenation and function.

Despite some mild reversible side effects—such as middle ear barotrauma transient symptom exacerbation and bronchospasm—the overall safety profile of the therapy was considered acceptable. One subject withdrew from the study due to these side effects.

Overall the findings support that low-pressure HBOT can substantially enhance brain function and quality of life for military subjects with blast-induced injuries presenting a promising treatment option for managing PCS and PTSD in this population.

Conclusion

In conclusion this phase I study provides compelling evidence that low-pressure hyperbaric oxygen therapy (HBOT) can significantly alleviate symptoms and improve overall well-being for military personnel suffering from chronic blast-induced post-concussion syndrome (PCS) and post-traumatic stress disorder (PTSD). Over the course of 40 sessions at 1.5 ATA within 30 days subjects exhibited marked enhancements in cognitive functions such as memory attention and full-scale IQ as well as reductions in neurological symptoms depression and anxiety. Enhanced regional cerebral blood flow as observed through SPECT imaging further underscores the therapeutic efficacy of this treatment.

Although some minor reversible side effects were noted the overall safety profile was deemed acceptable. These findings suggest that low-pressure HBOT is not only a promising treatment option for mitigating the complex symptoms associated with blast-induced injuries but also for improving cognitive and psychological health outcomes in affected military personnel. Future research involving larger sample sizes and more diverse populations is recommended to validate these preliminary results and explore the long-term benefits and mechanisms underlying HBOT’s effectiveness.