The Theory Behind HBOT for Concussion HBOT delivers oxygen at increased pressure. Patients breathe 100% oxygen at 1.5-2.4 atmospheres of pressure inside a hyperbaric chamber. The combination of pure oxygen and elevated pressure dissolves oxygen directly into blood plasma, dramatically increasing oxygen delivery to all tissues including the brain (Hadanny et al., 2020). The concussed brain has reduced oxygen utilization. The neurometabolic cascade impairs mitochondrial function and oxygen utilization. Reduced cerebral blood flow further limits oxygen availability. Enhanced oxygen delivery may address this oxygen-limited state. HBOT reduces neuroinflammation. Animal studies and human research show HBOT reduces inflammatory markers, supports cellular repair processes, and modulates the immune response that drives chronic inflammation after concussion. HBOT promotes neuroplasticity. Research shows HBOT stimulates BDNF production, supports synaptic plasticity, and may promote neurogenesis. These mechanisms could support the neural recovery that PCS requires. HBOT mobilizes stem cells. The treatment increases circulation of stem cells from bone marrow. The stem cells may contribute to tissue repair and recovery. The mechanism is well-documented though clinical significance for concussion remains under study. The Research Evidence Studies show mixed but generally positive results. Multiple studies demonstrate symptom improvement in persistent post-concussion patients after HBOT courses. Effect sizes vary from modest to substantial. The variability reflects different patient populations, treatment protocols, and outcome measures across studies. The Israeli research is particularly compelling. Studies from Sagol Center and other Israeli hyperbaric medicine programs show consistent benefit using specific protocols (1.5-2.0 ATA, 60-90 minute sessions, 40+ sessions). The patients in these studies typically have persistent symptoms beyond 6 months. The Department of Defense studies were less positive. Studies in military populations showed smaller effects, partly attributed to sham treatment also producing benefit (likely from the placebo effect plus relaxation effect of chamber time). These studies tempered initial enthusiasm. Patient selection matters. Patients with persistent symptoms despite standard treatment appear to benefit most. Acute patients improve with standard care; HBOT adds less. Chronic patients (12+ months) benefit substantially in many studies. Mobility Support During HBOT Treatment JME 155 Diaphragmatic breathing during HBOT sessions supports relaxation and may enhance the parasympathetic effects of the treatment. The 60-90 minute sessions provide opportunity for extended breathing practice. Practice throughout the session. The combination of HBOT and breathing practice may compound the autonomic benefits. JME 14 Chin tucks before and after HBOT sessions address the cervical contribution that HBOT does not directly target. The combined approach treats both the oxygen-related and mechanical components of PCS. 10 repetitions with 5-second holds. JME 1 Cervical rotation maintains the proprioceptive function during the HBOT treatment course. The mechanical treatment continues alongside the medical treatment. 10 repetitions each direction. JME 150 Thoracic rotation supports the breathing capacity that HBOT enhances. The maintained mobility allows the deep breathing the treatment requires. 8 repetitions per direction. Start your 3-day free trial for HBOT-protocol mobility programming. Practical Considerations Cost is substantial. HBOT sessions cost $200-500 each. Typical protocols require 40-60 sessions. Total cost ranges from $8,000 to $30,000. Insurance coverage varies; most insurances do not cover HBOT for PCS specifically (it is covered for FDA-approved indications like wound healing and diving injuries). Time commitment is significant. Daily or near-daily sessions of 60-90 minutes for 8-12 weeks. The time investment exceeds most other treatments. Combined with work or other responsibilities, the practical demands are substantial. Travel may be required. Concussion-focused HBOT clinics are not in every area. Some patients travel to dedicated centers for the treatment course. The travel adds cost and disruption. The protocol matters. Pressure (1.5 vs 2.0 ATA), session duration (60 vs 90 minutes), and total session number (40 vs 60) all vary between programs. The optimal protocol is not fully established. Discuss the specific protocol with the provider before committing. Side effects are generally mild. Most common: ear barotrauma during pressure changes (preventable with proper equalization techniques), temporary visual changes, fatigue. Serious side effects are rare with appropriate screening. Daily Movement Routine JME 3 Lateral cervical flexion daily addresses the cervical contribution that continues regardless of HBOT treatment. The mobility supports the mechanical recovery alongside the medical treatment. 8 repetitions per side with 15-second holds. JME 42 Shoulder circles maintain upper-body mobility through the HBOT treatment period. 10 repetitions each direction. JME 15 Cervical extension supports cervical health that HBOT does not directly address. Daily extension supports the broader recovery. 8 repetitions. JME 151 Lateral side bends with breathing combine mobility with the breathing that HBOT enhances. 8 repetitions per side. Combine with HBOT effectively with simplmobility's mobility programming. Who Benefits Most From HBOT Persistent PCS patients (6+ months). The strongest evidence supports HBOT for patients with persistent symptoms beyond standard recovery timelines. Acute patients may not need HBOT; chronic patients may benefit substantially. Patients with cognitive symptoms. Memory, attention, and processing speed improvements are commonly reported. Patients with these as primary complaints may benefit most. Patients with treatment-resistant symptoms. Patients who have completed cervical PT, vestibular therapy, vision therapy, and other standard treatments without full resolution may benefit from HBOT as additional intervention. Patients with adequate financial resources or insurance coverage. The cost limits HBOT to patients with means or specific insurance coverage. Cost-benefit analysis is appropriate before committing. Who Should Avoid HBOT Untreated pneumothorax. Absolute contraindication. The pressure changes can produce serious complications. Certain ear and sinus conditions. Ear surgery history, severe sinus disease, or inability to equalize ear pressure may prevent HBOT safely. Claustrophobia. The chamber experience can trigger severe anxiety in claustrophobic patients. Some chambers are large multi-person units that reduce this; others are single-person tubes that worsen it. Severe COPD or other lung disease. The increased oxygen pressure can affect lung function in patients with severe lung disease. Recent ear or sinus surgery. Wait for full healing before HBOT. Should I try HBOT before other treatments? Generally no. Complete standard treatments first: cervical PT, vestibular therapy, vision therapy, autonomic support, sleep optimization. HBOT works best as adjunct to comprehensive treatment in patients with persistent symptoms after standard approaches. Does insurance cover HBOT for concussion? Usually not. HBOT is FDA-approved for specific conditions (wound healing, diving injuries, carbon monoxide poisoning, etc.) but not for concussion specifically. Some insurances cover under specific circumstances. Most patients pay out of pocket. How long do HBOT benefits last? Benefits typically persist for months to years after treatment completion. Some patients require periodic "booster" sessions. The treatment is not curative for all patients but produces durable improvement in many cases. References Hadanny, A., et al. (2020). Cognitive enhancement of healthy older adults using hyperbaric oxygen therapy. Aging, 12(13), 13740-13761. PubMed Patricios, J. S., et al. (2023). Consensus statement on concussion in sport: the 6th International Conference on Concussion in Sport, Amsterdam, October 2022. British Journal of Sports Medicine, 57(11), 695-711. PubMed