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This retrospective observational study evaluates physiological and cognitive changes following a series of 60 hyperbaric oxygen therapy (HBOT) sessions in healthy individuals. Participants underwent treatment five days per week, each session included 90 minutes exposure to 100% oxygen at 2ATA with a five-minute air break every 20 minutes. Pre- and post-treatment data include cardiopulmonary exercise testing (CPET) and standardized cognitive assessments. The study aims to characterize associations between changes in cardiorespiratory fitness and cognitive performance following repeated HBOT exposure in a real-world clinical cohort
This retrospective observational study analyzes data collected from healthy adults who completed a full treatment series of 60 hyperbaric oxygen therapy (HBOT) sessions at the Sagol Center for Hyperbaric Medicine and Research. Each session included 90 minutes exposure to 100% oxygen at 2ATA with a five-minute air break every 20 minutes
The primary objective is to evaluate physiological adaptations to repeated HBOT exposure using cardiopulmonary exercise testing (CPET) metrics, including aerobic capacity and exercise performance parameters. A secondary objective is to examine concurrent changes in cognitive function as assessed by standardized neurocognitive testing performed as part of routine clinical evaluation.
The study utilizes de-identified data extracted from clinical records and institutional databases. As a retrospective analysis, no intervention or allocation was performed for research purposes. The study aims to explore potential relationships between changes in physical performance and cognitive outcomes following HBOT in in a real-world clinical cohort
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Adults Treated With HBOT | Retrospective cohort of adults who completed a full treatment series of 60 hyperbaric oxygen therapy (HBOT) sessions at 2 atmospheres absolute (ATA) breathing 100% oxygen, and were approved for a maximal cardiopulmonary exercise testing (CPET). Prticipants underwent pre- and post-treatment cardiopulmonary exercise testing (CPET) and cognitive assessments as part of routine clinical evaluation. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Hyperbaric Oxygen Therapy - HBOT | Other | 60 consecutive hyperbaric oxygen treatment (HBOT) sessions, 5 sessions per week within a three months' period |
|
| Measure | Description | Time Frame |
|---|---|---|
| Exercise Duration During CPET | Total duration the participant is able to continue the cardiopulmonary exercise testing (CPET) protocol until voluntary exhaustion or termination criteria are reached. Unit of Measure: Minutes | Baseline and post-treatment (approximately 4-6 months) |
| Peak Workload During CPET | Highest external work rate achieved during CPET on a cycle ergometer. Unit of Measure: Watts (W) | Baseline and post-treatment (approximately 4-6 months) |
| Peak Metabolic Equivalent (METs) During CPET | Highest metabolic equivalent level achieved during treadmill-based CPET. Unit of Measure: METs | Baseline and post-treatment (approximately 4-6 months) |
| Ventilatory Threshold Oxygen Uptake (VT1/VT2) | Oxygen uptake measured at ventilatory thresholds (VT1 and VT2) during CPET, reflecting metabolic transition during exercise. Unit of Measure: mL/kg/min | Baseline and post-treatment (approximately 4-6 months) |
| Ventilatory Threshold Workload | Workload achieved at ventilatory thresholds (VT1 and VT2) during CPET. Unit of Measure: Watts (W) | Baseline and post-treatment (approximately 4-6 months) |
| Ventilatory Threshold Heart Rate | Heart rate recorded at ventilatory thresholds (VT1 and VT2) during CPET. Unit of Measure: Beats per minute (bpm) | Baseline and post-treatment (approximately 4-6 months) |
| Time to Ventilatory Threshold |
| Measure | Description | Time Frame |
|---|---|---|
| Change in Cognitive Function Following Hyperbaric Oxygen Therapy | Change in standardized cognitive performance scores measured before and after completion of 60 hyperbaric oxygen therapy sessions using NeuroTrax cognitive battery test. | Baseline and post-treatment (approximately 4-6 months) |
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Inclusion Criteria:
Exclusion Criteria:
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This retrospective cohort includes adults treated at the Sagol Center who completed a full course of 60 hyperbaric oxygen therapy sessions. All participants underwent pre- and post-treatment cardiopulmonary exercise testing and standardized cognitive evaluations as part of routine clinical care. Data were extracted from institutional clinical databases for retrospective analysis.
| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Eldad Mr Yaakobo, Ms | Contact | +972542092860 | yaakobi.eldad@gmail.com |
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| ID | Term |
|---|---|
| D006931 | Hyperbaric Oxygenation |
| ID | Term |
|---|---|
| D010102 | Oxygen Inhalation Therapy |
| D012138 | Respiratory Therapy |
| D013812 | Therapeutics |
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Elapsed exercise time at which ventilatory thresholds (VT1 and VT2) are reached during CPET. Unit of Measure: Minutes |
| Baseline and post-treatment (approximately 4-6 months) |