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Barata P, Camacho O, Lima CG, Pereira AC. The Role of Hyperbaric Oxygen Therapy in Neuroregeneration and Neuroprotection: A Review. Cureus 2024; 16:e62067. [PMID: 38989389 PMCID: PMC11235151 DOI: 10.7759/cureus.62067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/10/2024] [Indexed: 07/12/2024] Open
Abstract
Neurogenesis is a high energy-demanding process, which is why blood vessels are an active part of the neurogenic niche since they allow the much-needed oxygenation of progenitor cells. In this regard, although neglected for a long time, the "oxygen niche" should be considered an important intervenient in adult neurogenesis. One possible hypothesis for the failure of numerous neuroprotective trials is that they relied on compounds that target a highly specific neuroprotective pathway. This approach may be too limited, given the complexity of the processes that lead to cell death. Therefore, research should adopt a more multifactorial approach. Among the limited range of agents with multimodal neuromodulatory capabilities, hyperbaric oxygen therapy has demonstrated effectiveness in reducing secondary brain damage in various brain injury models. This therapy functions not only as a neuroprotective mechanism but also as a powerful neuroregenerative mechanism.
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Affiliation(s)
- Pedro Barata
- Pathology and Laboratory Medicine, Centro Hospitalar Universitário do Porto, Porto, PRT
- CECLIN (Center for Clinical Studies), Hospital-Escola da Universidade Fernando Pessoa (HE-UFP), Porto, PRT
| | - Oscar Camacho
- Hyperbaric Medicine Unit, Unidade Local de Saúde de Matosinhos, Matosinhos, PRT
| | - Clara G Lima
- Anesthesiology, Hospital Pedro Hispano, Matosinhos, PRT
| | - Ana Claudia Pereira
- Faculty of Health Sciences, Universidade Fernando Pessoa (UFP), Porto, PRT
- CECLIN (Center for Clinical Studies), Hospital-Escola da Universidade Fernando Pessoa (HE-UFP), Porto, PRT
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2
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MacLaughlin KJ, Barton GP, Braun RK, MacLaughlin JE, Lamers JJ, Marcou MD, Eldridge MW. Hyperbaric air mobilizes stem cells in humans; a new perspective on the hormetic dose curve. Front Neurol 2023; 14:1192793. [PMID: 37409020 PMCID: PMC10318163 DOI: 10.3389/fneur.2023.1192793] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Accepted: 05/11/2023] [Indexed: 07/07/2023] Open
Abstract
Introduction Hyperbaric air (HBA) was first used pharmaceutically in 1662 to treat lung disease. Extensive use in Europe and North America followed throughout the 19th century to treat pulmonary and neurological disorders. HBA reached its zenith in the early 20th century when cyanotic, moribund "Spanish flu pandemic" patients turned normal color and regained consciousness within minutes after HBA treatment. Since that time the 78% Nitrogen fraction in HBA has been completely displaced by 100% oxygen to create the modern pharmaceutical hyperbaric oxygen therapy (HBOT), a powerful treatment that is FDA approved for multiple indications. Current belief purports oxygen as the active element mobilizing stem progenitor cells (SPCs) in HBOT, but hyperbaric air, which increases tensions of both oxygen and nitrogen, has been untested until now. In this study we test HBA for SPC mobilization, cytokine and chemokine expression, and complete blood count. Methods Ten 34-35-year-old healthy volunteers were exposed to 1.27ATA (4 psig/965 mmHg) room air for 90 min, M-F, for 10 exposures over 2-weeks. Venous blood samples were taken: (1) prior to the first exposure (served as the control for each subject), (2) directly after the first exposure (to measure the acute effect), (3) immediately prior to the ninth exposure (to measure the chronic effect), and (4) 3 days after the completion of tenth/final exposure (to assess durability). SPCs were gated by blinded scientists using Flow Cytometry. Results SPCs (CD45dim/CD34+/CD133-) were mobilized by nearly two-fold following 9 exposures (p = 0.02) increasing to three-fold 72-h post completion of the final (10th) exposure (p = 0.008) confirming durability. Discussion This research demonstrates that SPCs are mobilized, and cytokines are modulated by hyperbaric air. HBA likely is a therapeutic treatment. Previously published research using HBA placebos should be re-evaluated to reflect a dose treatment finding rather than finding a placebo effect. Our findings of SPC mobilization by HBA support further investigation into hyperbaric air as a pharmaceutical/therapy.
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Affiliation(s)
- Kent J. MacLaughlin
- Department of Pediatrics, University of Wisconsin–Madison, Madison, WI, United States
| | - Gregory P. Barton
- Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, TX, United States
| | - Rudolf K. Braun
- Department of Pediatrics, University of Wisconsin–Madison, Madison, WI, United States
| | - Julia E. MacLaughlin
- Medical Oxygen Outpatient Clinic, The American Center, Madison, WI, United States
| | - Jacob J. Lamers
- Department of Pediatrics, University of Wisconsin–Madison, Madison, WI, United States
| | - Matthew D. Marcou
- Department of Pediatrics, University of Wisconsin–Madison, Madison, WI, United States
| | - Marlowe W. Eldridge
- Department of Pediatrics, University of Wisconsin–Madison, Madison, WI, United States
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3
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Harch PG. Systematic Review and Dosage Analysis: Hyperbaric Oxygen Therapy Efficacy in Mild Traumatic Brain Injury Persistent Postconcussion Syndrome. Front Neurol 2022; 13:815056. [PMID: 35370898 PMCID: PMC8968958 DOI: 10.3389/fneur.2022.815056] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Accepted: 01/18/2022] [Indexed: 11/17/2022] Open
Abstract
Background Mild traumatic brain injury results in over 15% of patients progressing to Persistent Postconcussion Syndrome, a condition with significant consequences and limited treatment options. Hyperbaric oxygen therapy has been applied to Persistent Postconcussion Syndrome with conflicting results based on its historical understanding/definition as a disease-specific therapy. This is a systematic review of the evidence for hyperbaric oxygen therapy (HBOT) in Persistent Postconcussion Syndrome using a dose-analysis that is based on the scientific definition of hyperbaric oxygen therapy as a dual-component drug composed of increased barometric pressure and hyperoxia. Methods In this review, PubMed, CINAHL, and the Cochrane Systematic Review Database were searched from August 8–22, 2021 for all adult clinical studies published in English on hyperbaric oxygen therapy in mild traumatic brain injury Persistent Postconcussion Syndrome (symptoms present at least 3 months). Randomized trials and studies with symptomatic and/or cognitive outcomes were selected for final analysis. Randomized trials included those with no-treatment control groups or control groups defined by either the historical or scientific definition. Studies were analyzed according to the dose of oxygen and barometric pressure and classified as Levels 1–5 based on significant immediate post-treatment symptoms or cognitive outcomes compared to control groups. Levels of evidence classifications were made according to the Centre for Evidence-Based Medicine and a practice recommendation according to the American Society of Plastic Surgeons. Methodologic quality and bias were assessed according to the PEDro Scale. Results Eleven studies were included: six randomized trials, one case-controlled study, one case series, and three case reports. Whether analyzed by oxygen, pressure, or composite oxygen and pressure dose of hyperbaric therapy statistically significant symptomatic and cognitive improvements or cognitive improvements alone were achieved for patients treated with 40 HBOTS at 1.5 atmospheres absolute (ATA) (four randomized trials). Symptoms were also improved with 30 treatments at 1.3 ATA air (one study), positive and negative results were obtained at 1.2 ATA air (one positive and one negative study), and negative results in one study at 2.4 ATA oxygen. All studies involved <75 subjects/study. Minimal bias was present in four randomized trials and greater bias in 2. Conclusion In multiple randomized and randomized controlled studies HBOT at 1.5 ATA oxygen demonstrated statistically significant symptomatic and cognitive or cognitive improvements alone in patients with mild traumatic brain injury Persistent Postconcussion Syndrome. Positive and negative results occurred at lower and higher doses of oxygen and pressure. Increased pressure within a narrow range appears to be the more important effect than increased oxygen which is effective over a broad range. Improvements were greater when patients had comorbid Post Traumatic Stress Disorder. Despite small sample sizes, the 1.5 ATA HBOT studies meet the Centre for Evidence-Based Medicine Level 1 criteria and an American Society of Plastic Surgeons Class A Recommendation for HBOT treatment of mild traumatic brain injury persistent postconcussion syndrome.
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Shin SS, Hwang M, Diaz-Arrastia R, Kilbaugh TJ. Inhalational Gases for Neuroprotection in Traumatic Brain Injury. J Neurotrauma 2021; 38:2634-2651. [PMID: 33940933 PMCID: PMC8820834 DOI: 10.1089/neu.2021.0053] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
Despite multiple prior pharmacological trials in traumatic brain injury (TBI), the search for an effective, safe, and practical treatment of these patients remains ongoing. Given the ease of delivery and rapid absorption into the systemic circulation, inhalational gases that have neuroprotective properties will be an invaluable resource in the clinical management of TBI patients. In this review, we perform a systematic review of both pre-clinical and clinical reports describing inhalational gas therapy in the setting of TBI. Hyperbaric oxygen, which has been investigated for many years, and some of the newest developments are reviewed. Also, promising new therapies such as hydrogen gas, hydrogen sulfide gas, and nitric oxide are discussed. Moreover, novel therapies such as xenon and argon gases and delivery methods using microbubbles are explored.
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Affiliation(s)
- Samuel S. Shin
- Department of Neurology, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Misun Hwang
- Department of Radiology, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Ramon Diaz-Arrastia
- Department of Neurology, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Todd J. Kilbaugh
- Department of Anesthesiology and Critical Care Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
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Scarboro M, McQuillan KA. Traumatic Brain Injury Update. AACN Adv Crit Care 2021; 32:29-50. [PMID: 33725106 DOI: 10.4037/aacnacc2021331] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
Abstract
Traumatic brain injury is a devastating, life-changing event in most cases. After the primary brain insult, it is helpful to use evidence-based monitoring techniques to guide implementation of essential interventions to minimize secondary injury and thereby improve patient outcomes. An update on multimodal neuromonitoring is provided in this narrative review, with discussion of tools and techniques currently used in the treatment of patients with brain injury. Neuroprotective treatments, from the well-studied targeted temperature management to new potential therapeutics under investigation, such as glyburide, also are presented.
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Affiliation(s)
- Maureen Scarboro
- Maureen Scarboro is Acute Care Nurse Practitioner, Neurosurgery, R Adams Cowley Shock Trauma Center, University of Maryland Medical Center, 22 S Greene St, Baltimore, MD 21201
| | - Karen A McQuillan
- Karen A. McQuillan is Lead Clinical Nurse Specialist, R Adams Cowley Shock Trauma Center, University of Maryland Medical Center, Baltimore, Maryland
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6
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The effectiveness of hyperbaric oxygen modalities against vascular component of traumatic brain injury. BRAIN HEMORRHAGES 2020. [DOI: 10.1016/j.hest.2020.04.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
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Kujawski S, Słomko J, Morten KJ, Murovska M, Buszko K, Newton JL, Zalewski P. Autonomic and Cognitive Function Response to Normobaric Hyperoxia Exposure in Healthy Subjects. Preliminary Study. MEDICINA (KAUNAS, LITHUANIA) 2020; 56:E172. [PMID: 32290164 PMCID: PMC7230641 DOI: 10.3390/medicina56040172] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/04/2020] [Revised: 03/18/2020] [Accepted: 04/08/2020] [Indexed: 12/26/2022]
Abstract
Background and objective: This is the first study to investigate the effect of high-flow oxygen therapy, using a normobaric chamber on cognitive, biochemical (oxidative stress parameters and the level of neurotrophins), cardiovascular and autonomic functioning. Materials and methods: 17 healthy volunteers, eight males and nine females, with a mean age of 37.5 years, were examined. The experimental study involved ten two-hour exposures in a normobaric chamber with a total pressure of 1500 hPa (32–40 kPa partial pressure of oxygen, 0.7–2 kPa of carbon dioxide and 0.4–0.5 kPa of hydrogen). Cognitive function was assessed by using Trail Making Test parts A, B and difference in results of these tests (TMT A, TMT B and TMT B-A); California Verbal Learning Test (CVLT); Digit symbol substitution test (DSST); and Digit Span (DS). Fatigue (Fatigue Severity Scale (FSS)), cardiovascular, autonomic and baroreceptor functioning (Task Force Monitor) and biochemical parameters were measured before and after intervention. Results: After 10 sessions in the normobaric chamber, significant decreases in weight, caused mainly by body fat % decrease (24.86 vs. 23.93%, p = 0.04 were observed. TMT part A and B results improved (p = 0.0007 and p = 0.001, respectively). In contrast, there was no statistically significant influence on TMT B-A. Moreover, decrease in the number of symbols left after a one-minute test in DSST was noted (p = 0.0001). The mean number of words correctly recalled in the CVLT Long Delay Free Recall test improved (p = 0.002), and a reduction in fatigue was observed (p = 0.001). Biochemical tests showed a reduction in levels of malondialdehyde (p < 0.001), with increased levels of Cu Zn superoxide dismutase (p < 0.001), Neurotrophin 4 (p = 0.0001) and brain-derived neurotrophic factor (p = 0.001). A significant increase in nitric oxide synthase 2 (Z = 2.29, p = 0.02) and Club cell secretory protein (p = 0.015) was also noted. Baroreceptor function was significantly improved after normobaric exposures (p = 0.003). Significant effect of normobaric exposures and BDNF in CVLT Long Delay Free Recall was noted. Conclusions: This study demonstrates that 10 exposures in a normobaric chamber have a positive impact on visual information and set-shifting processing speed and increase auditory-verbal short-term memory, neurotrophic levels and baroreceptor function. A response of the respiratory tract to oxidative stress was also noted. There is a need to rigorously examine the safety of normobaric therapy. Further studies should be carried out with physician examination, both pre and post treatment.
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Affiliation(s)
- Sławomir Kujawski
- Department of Hygiene, Epidemiology, Ergonomics and Postgraduate Training, Division of Ergonomics and Exercise Physiology, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, 85-094 Bydgoszcz, Poland; (J.S.); (P.Z.)
| | - Joanna Słomko
- Department of Hygiene, Epidemiology, Ergonomics and Postgraduate Training, Division of Ergonomics and Exercise Physiology, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, 85-094 Bydgoszcz, Poland; (J.S.); (P.Z.)
| | - Karl J. Morten
- Nuffield Department of Women’s and Reproductive Health, University of Oxford, Oxford OX3 9DU, UK;
| | - Modra Murovska
- Institute of Microbiology and Virology, Riga Stradiņš University, LV-1067 Riga, Latvia;
| | - Katarzyna Buszko
- Department of Theoretical Foundations of Bio-Medical Science and Medical Informatics, Collegium Medicum, Nicolaus Copernicus University, 85-067 Bydgoszcz, Poland;
| | - Julia L. Newton
- Institute of Cellular Medicine, The Medical School, Newcastle University, Framlington Place, Newcastle-upon-Tyne NE2 4HH, UK;
| | - Paweł Zalewski
- Department of Hygiene, Epidemiology, Ergonomics and Postgraduate Training, Division of Ergonomics and Exercise Physiology, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, 85-094 Bydgoszcz, Poland; (J.S.); (P.Z.)
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Harch PG, Andrews SR, Rowe CJ, Lischka JR, Townsend MH, Yu Q, Mercante DE. Hyperbaric oxygen therapy for mild traumatic brain injury persistent postconcussion syndrome: a randomized controlled trial. Med Gas Res 2020; 10:8-20. [PMID: 32189664 PMCID: PMC7871939 DOI: 10.4103/2045-9912.279978] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2019] [Revised: 11/19/2019] [Accepted: 12/16/2019] [Indexed: 12/18/2022] Open
Abstract
Persistent postconcussion syndrome (PPCS) after mild traumatic brain injury (mTBI) is a significant public health and military problem for which there is limited treatment evidence. The aim of this study was to determine whether forty 150 kPa hyperbaric oxygen therapies (HBOTs) can improve symptoms and cognitive function in subjects with the PPCS of mTBI, using a randomized controlled crossover design with 2-month follow-up. Sixty-three civilian and military subjects with mTBI/PPCS were randomized to either 40 HBOTs at 150 kPa/60 minutes, once daily, 5 days per week in 8 weeks or an equivalent no-treatment control period. The Control Group was then crossed over to HBOT. Subjects underwent symptom, neuropsychological, and psychological testing, before and after treatment or control with retesting 2 months after the 40th HBOT. Fifty subjects completed the protocol with primary outcome testing. HBOT subjects experienced significant improvements in Neurobehavioral Symptom Inventory, Memory Index, Automated Neuropsychological Assessment Metrics, Hamilton Depression Scale, Hamilton Anxiety Scale, Post-Traumatic Stress Disorder Checklist, Pittsburgh Sleep Quality Index, and Quality Of Life after Brain Injury compared to the Control Group. After crossing over to HBOT the Control Group experienced near-identical significant improvements. Further improvements were experienced by both groups during the 2-month follow-up period. These data indicate that 40 HBOTs at 150 kPa/60 minutes demonstrated statistically significant improvements in postconcussion and Post-Traumatic Stress Disorder symptoms, memory, cognitive functions, depression, anxiety, sleep, and quality of life in civilian and military subjects with mTBI/PPCS compared to controls. Improvements persisted at least 2 months after the 40th HBOT. The study was registered on ClinicalTrials.gov (NCT02089594) on March 18, 2014 and with the U.S. Food and Drug Administration under Investigational New Drug #113823. The Institutional Review Boards of the United States Army Medical Research and Materiel Command Office of Research Protections Human Research Protection Office and the Louisiana State University School of Medicine (approval No. 7381) approved the study on May 13, 2014 and December 20, 2013, respectively.
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Affiliation(s)
- Paul G. Harch
- Department of Medicine, Section of Emergency and Hyperbaric Medicine, Louisiana State University Health Sciences Center, New Orleans, LA, USA
| | - Susan R. Andrews
- Department of Medicine and Psychiatry, School of Medicine, Louisiana State University Health Sciences Center, Metairie, LA, USA
| | - Cara J. Rowe
- CaTS Clinical Translational Unit, Tulane University School of Medicine, LA, New Orleans, LA, USA
| | | | - Mark H. Townsend
- Louisiana State University-Ochsner Psychiatry Residency Training Program, Department of Psychiatry, Louisiana State University Health Sciences Center, New Orleans, LA, USA
| | - Qingzhao Yu
- School of Public Health, Louisiana State University Health Sciences Center, New Orleans, LA, USA
| | - Donald E. Mercante
- School of Public Health, Louisiana State University Health Sciences Center, New Orleans, LA, USA
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Dong Y, Hu XH, Wu T, Wang T. Effect of hyperbaric oxygenation therapy on post-concussion syndrome. Exp Ther Med 2018; 16:2193-2202. [PMID: 30186458 PMCID: PMC6122203 DOI: 10.3892/etm.2018.6463] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2016] [Accepted: 07/11/2017] [Indexed: 11/12/2022] Open
Abstract
The present review evaluated the effect of hyperbaric oxygenation (HBO) therapy on post-concussion syndrome (PCS). Searches for publications from the earliest date possible up until the first week of 2016 were conducted using the electronic databases Cochrane, EBSCOhost, Embase, Ovid MEDLINE, PubMed and Web of Science. Additional trials were identified through reference list scanning. Randomized controlled trials assessing the effectiveness of HBO therapy in PCS were selected and tested for eligibility for inclusion in the present review. Two independent reviewers conducted data extraction and the Cochrane Collaboration's recommended method was used to assess the risk of bias in each study included. Review Manager 5.3 software was used for data synthesis and analysis and the standardized mean difference (SMD) or mean difference (MD) was estimated with a fixed or random effects model using a 95% confidence interval (CI). A total of 127 articles were identified, 4 of which were eligible for final analysis. The meta-analysis identified no difference in the Rivermead Post-Concussion Symptoms Questionnaire (MD=1.23; 95% CI, -3.47-5.94; P>0.05; I2=35%) or Post-Traumatic Stress Disorder Checklist (PCL) scores (SMD=0.12; 95% CI, -0.31-0.54; P>0.05; I2=0%) scores between groups receiving different oxygen doses. The differences in PCL scores (SMD=-0.13, 95% CI, -0.80-0.53; P>0.05; I2=63%) and neurobehavioral symptoms (SMD=-1.00, 95% CI, -2.58-0.58; P>0.05; I2=92%) between the HBO and sham groups were not significant. The current study demonstrated that HBO therapy has no significant effect on PCS compared with the sham group. Therefore, it was determined that effective design and execution of a large clinical trial, which includes treatment, control and sham groups is required in the future.
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Affiliation(s)
- Yang Dong
- Department of Rehabilitation Medicine, Hangzhou Hospital of Zhejiang CAPF, Hangzhou, Zhejiang 310016, P.R. China
- Institute of Rehabilitation Medicine, Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
| | - Xia Hua Hu
- Department of Rehabilitation Medicine, Hangzhou Hospital of Zhejiang CAPF, Hangzhou, Zhejiang 310016, P.R. China
| | - Tao Wu
- Department of Rehabilitation Medicine, Sir Run Run Shaw Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang 310016, P.R. China
| | - Tong Wang
- Department of Rehabilitation Medicine, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
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Han CH, Guan ZB, Zhang PX, Fang HL, Li L, Zhang HM, Zhou FJ, Mao YF, Liu WW. Oxidative stress induced necroptosis activation is involved in the pathogenesis of hyperoxic acute lung injury. Biochem Biophys Res Commun 2017; 495:2178-2183. [PMID: 29269294 DOI: 10.1016/j.bbrc.2017.12.100] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2017] [Accepted: 12/18/2017] [Indexed: 01/24/2023]
Abstract
Necroptosis has been found to be involved in the pathogenesis of some lung diseases, but its role in hyperoxic acute lung injury (HALI) is still unclear. This study aimed to investigate contribution of necroptosis to the pathogenesis of HALI induced by hyperbaric hyperoxia exposure in a rat model. Rats were divided into control group, HALI group, Nec-1 (necroptosis inhibitor) group and edaravone group. Rats were exposed to pure oxygen at 250 kPa for 6 h to induce HALI. At 30 min before hyperoxia exposure, rats were intraperitoneally injected with Nec-1 or edaravone, and sacrificed at 24 h after hyperoxia exposure. Lung injury was evaluated by histology, lung water to dry ratio (W/D) and bronchoalveolar lavage fluid (BALF) biochemistry; the serum and plasma oxidative stress, expression of RIP1, RIP3 and MLKL, and interaction between RIP1 and RIP3 were determined. Results showed hyperoxia exposure significantly caused damage to lung and increased necroptotic cells and the expression of RIP1, RIP3 and MLKL. Edaravone pre-treatment not only inhibited the oxidative stress in HALI, but also reduced necroptotic cells, decreased the expression of RIP1, RIP3 and MLKL and improved lung pathology. Nec-1 pretreatment inhibited necroptosis and improved lung pathology, but had little influence on oxidative stress. This study suggests hyperoxia exposure induces oxidative stress may activate necroptosis, involving in the pathology of HALI, and strategies targeting necroptosis may become promising treatments for HALI.
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Affiliation(s)
- C H Han
- Department of Pathology, The First Hospital of Jining City, Jining City, Shandong Province, 272011, China
| | - Z B Guan
- Department of Respiratory Diseases, The 411th Hospital of People's Liberation Army, Shanghai, 200081, China
| | - P X Zhang
- Department of Cardiothoracic Surgery, The First Hospital of Jining City, Jining City, Shandong Province, 272011, China
| | - H L Fang
- Department of Pathology, The First Hospital of Jining City, Jining City, Shandong Province, 272011, China
| | - L Li
- Department of Pathology, The First Hospital of Jining City, Jining City, Shandong Province, 272011, China
| | - H M Zhang
- Department of Pathology, The First Hospital of Jining City, Jining City, Shandong Province, 272011, China
| | - F J Zhou
- Department of Pathology, The First Hospital of Jining City, Jining City, Shandong Province, 272011, China
| | - Y F Mao
- Department of Anesthesiology and Surgical Intensive Care Unit, XinHua Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200092, China.
| | - W W Liu
- Department of Diving and Hyperbaric Medicine, The Naval Medical University, Shanghai, 200433, China.
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Immediate and delayed hyperbaric oxygen therapy as a neuroprotective treatment for traumatic brain injury in mice. Mol Cell Neurosci 2017; 83:74-82. [DOI: 10.1016/j.mcn.2017.06.004] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2017] [Revised: 06/19/2017] [Accepted: 06/19/2017] [Indexed: 01/29/2023] Open
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Ostrowski RP, Stępień K, Pucko E, Matyja E. The efficacy of hyperbaric oxygen in hemorrhagic stroke: experimental and clinical implications. Arch Med Sci 2017; 13:1217-1223. [PMID: 28883864 PMCID: PMC5575217 DOI: 10.5114/aoms.2017.65081] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/30/2016] [Accepted: 09/10/2016] [Indexed: 02/07/2023] Open
Abstract
Hemorrhagic stroke, accounting for 10-30% of stroke cases, carries high rates of morbidity and mortality. This review presents the current knowledge on the efficacy of hyperbaric oxygen (HBO)-based modalities in the preclinical research on hemorrhagic stroke. Both preconditioning and post-treatment with HBO are considered as prospective therapeutic options. High efficacy of HBO therapy (HBOT) for brain hemorrhage has been noted. We found that moderate hyperbaric pressures appear optimal for therapeutic effect, while the therapeutic window of opportunity is short. HBO preconditioning offers more modest neuroprotective benefit as compared to HBO post-treatment for experimental intracerebral hemorrhage. We advocate for mandatory calculations of percent changes in the experimentally investigated indexes of HBO effectiveness and stress the need to design new clinical trials on HBO for hemorrhagic stroke.
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Affiliation(s)
- Robert P Ostrowski
- Department of Experimental and Clinical Neuropathology, Mossakowski Medical Research Centre, Polish Academy of Sciences, Warsaw, Poland
| | - Katarzyna Stępień
- Department of Experimental and Clinical Neuropathology, Mossakowski Medical Research Centre, Polish Academy of Sciences, Warsaw, Poland
| | - Emanuela Pucko
- Department of Experimental and Clinical Neuropathology, Mossakowski Medical Research Centre, Polish Academy of Sciences, Warsaw, Poland
| | - Ewa Matyja
- Department of Experimental and Clinical Neuropathology, Mossakowski Medical Research Centre, Polish Academy of Sciences, Warsaw, Poland
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Therapeutic Potentials of Synapses after Traumatic Brain Injury: A Comprehensive Review. Neural Plast 2017; 2017:4296075. [PMID: 28491479 PMCID: PMC5405590 DOI: 10.1155/2017/4296075] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2016] [Revised: 02/09/2017] [Accepted: 03/14/2017] [Indexed: 12/26/2022] Open
Abstract
Massive studies have focused on the understanding of the pathobiology of cellular and molecular changes and injury mechanisms after traumatic brain injury (TBI), but very few studies have specially discussed the role of synapses in the context of TBI. This paper specifically highlights the role and therapeutic potentials of synapses after TBI. First, we review and conclude how synapses interact with constant structural, metabolic, neuroendocrine, and inflammatory mechanisms after TBI. Second, we briefly describe several key synaptic proteins involved in neuroplasticity, which may be novel neuronal targets for specific intervention. Third, we address therapeutic interventions in association with synapses after TBI. Finally, we concisely discuss the study gaps in the synapses after TBI, in hopes that this would provide more insights for future studies. Synapses play an important role in TBI; while the understandings on the synaptic participation in the treatments and prognosis of TBI are lacking, more studies in this area are warranted.
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Yang ZS, Mu J. Co-administration of tissue plasminogen activator and hyperbaric oxygen in ischemic stroke: a continued promise for neuroprotection. Med Gas Res 2017; 7:68-73. [PMID: 28480034 PMCID: PMC5402349 DOI: 10.4103/2045-9912.202912] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Intravenous recombinant tissue-type plasminogen activator (r-tPA, alteplase) remains the recommended therapy for acute ischemic stroke. However, several factors are limiting its practical use. It makes it urgent for us to search more efficient strategies that can save the ischemic neurons, and safely extend the time window, while in the mean time reducing the detrimental effects for stroke thrombolysis. Hyperbaric oxygen therapy (HBOT) is considered to be potentially neuroprotective. Co-administration of r-tPA and HBOT has already been proved to be effective, safe and feasible in myocardial infarction. In this article, we would like to review whether HBOT has any beneficial effects on r-tPA thrombolysis. If there is, what is the underlying possible mechanisms and how to optimize for maximal effects?
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Affiliation(s)
- Ze-Song Yang
- Department of Hematology, the First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Jun Mu
- Department of Neurology, the First Affiliated Hospital of Chongqing Medical University, Chongqing, China
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15
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Abstract
Molecular hydrogen (H2) medicine research has flourished since a landmark publication in Nature Medicine that revealed the antioxidant and cytoprotective effects of hydrogen gas in a focal stroke model. Emerging evidence has consistently demonstrated that molecular hydrogen is a promising therapeutic option for a variety of diseases and the underlying comprehensive mechanisms is beyond pure hydroxyl radicals scavenging. The non-toxicity at high concentrations and rapid cellular diffusion features of molecular hydrogen ensure the feasibility and readiness of its clinical translation to human patients.
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Affiliation(s)
- Lei Huang
- Department of Anesthesiology, Loma Linda University, Loma Linda, CA, USA; Department of Basic Sciences, Division of Physiology, Loma Linda University, Loma Linda, CA, USA
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16
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Huang L, Obenaus A, Hamer M, Zhang JH. Neuroprotective effect of hyperbaric oxygen therapy in a juvenile rat model of repetitive mild traumatic brain injury. Med Gas Res 2016; 6:187-193. [PMID: 28217290 PMCID: PMC5223309 DOI: 10.4103/2045-9912.196900] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Repetitive mild traumatic brain injury (rmTBI) is an important medical concern for adolescent athletes that can lead to long-term disabilities. Multiple mild injuries may exacerbate tissue damage resulting in cumulative brain injury and poor functional recovery. In the present study, we investigated the increased brain vulnerability to rmTBI and the effect of hyperbaric oxygen treatment using a juvenile rat model of rmTBI. Two episodes of mild cortical controlled impact (3 days apart) were induced in juvenile rats. Hyperbaric oxygen (HBO) was applied 1 hour/day × 3 days at 2 atmosphere absolute consecutively, starting at 1 day after initial mild traumatic brain injury (mTBI). Neuropathology was assessed by multi-modal magnetic resonance imaging (MRI) and tissue immunohistochemistry. After repetitive mTBI, there were increases in T2-weighted imaging-defined cortical lesions and susceptibility weighted imaging-defined cortical microhemorrhages, correlated with brain tissue gliosis at the site of impact. HBO treatment significantly decreased the MRI-identified abnormalities and tissue histopathology. Our findings suggest that HBO treatment improves the cumulative tissue damage in juvenile brain following rmTBI. Such therapy regimens could be considered in adolescent athletes at the risk of repeated concussions exposures.
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Affiliation(s)
- Lei Huang
- Department of Anesthesiology, School of Medicine, Loma Linda University, Loma Linda, CA, USA; Department of Basic Sciences, Division of Physiology, School of Medicine, Loma Linda University, Loma Linda, CA, USA
| | - Andre Obenaus
- Department of Pediatrics, School of Medicine, Loma Linda University, Loma Linda, CA, USA; Cell, Molecular and Developmental Biology Program, University of California Riverside, Riverside, CA, USA; Division of Interdisciplinary Studies, School of Behavioral Health, Loma Linda University, Loma Linda, CA, USA
| | - Mary Hamer
- Department of Pediatrics, School of Medicine, Loma Linda University, Loma Linda, CA, USA
| | - John H Zhang
- Department of Anesthesiology, School of Medicine, Loma Linda University, Loma Linda, CA, USA; Department of Basic Sciences, Division of Physiology, School of Medicine, Loma Linda University, Loma Linda, CA, USA; Department of Neurosurgery, Loma Linda University, Loma Linda, CA, USA
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17
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Hu SL, Feng H, Xi GH. Hyperbaric oxygen therapy and preconditioning for ischemic and hemorrhagic stroke. Med Gas Res 2016; 6:232-236. [PMID: 28217297 PMCID: PMC5223316 DOI: 10.4103/2045-9912.196907] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
To date, the therapeutic methods for ischemic and hemorrhagic stroke are still limited. The lack of oxygen supply is critical for brain injury following stroke. Hyperbaric oxygen (HBO), an approach through a process in which patients breathe in 100% pure oxygen at over 101 kPa, has been shown to facilitate oxygen delivery and increase oxygen supply. Hence, HBO possesses the potentials to produce beneficial effects on stroke. Actually, accumulated basic and clinical evidences have demonstrated that HBO therapy and preconditioning could induce neuroprotective functions via different mechanisms. Nevertheless, the lack of clinical translational study limits the application of HBO. More translational studies and clinical trials are needed in the future to develop effective HBO protocols.
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Affiliation(s)
- Sheng-Li Hu
- Department of Neurosurgery, University of Michigan, Ann Arbor, MI, USA; Department of Neurosurgery, Southwest Hospital, Third Military Medical University, Collaborative Innovation Center for Brain Science, Chongqing, China
| | - Hua Feng
- Department of Neurosurgery, Southwest Hospital, Third Military Medical University, Collaborative Innovation Center for Brain Science, Chongqing, China
| | - Guo-Hua Xi
- Department of Neurosurgery, University of Michigan, Ann Arbor, MI, USA
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18
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Affiliation(s)
- Zhou-Heng Ye
- Department of Navy Aeromedicine, Faculty of Naval Medicine, Second Military Medical University, Shanghai, China
| | - Xue-Jun Sun
- Department of Navy Aeromedicine, Faculty of Naval Medicine, Second Military Medical University, Shanghai, China
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19
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Abstract
Sports-related concussion also referred to in the literature as mild traumatic brain injury remains a popular area of study for physicians, neurologists, neuropsychologists, neuroimaging, athletic trainers, and researchers across the other areas of brain sciences. Treatment for concussion is an emerging area of focus with investigators seeking to improve outcomes and protect patients from the deleterious short-term and long-term consequences which have been extensively studied and identified. Broadly, current treatment strategies for athletes recovering from concussion have remained largely unchanged since early 2000s. Knowledge of the complex pathophysiology surrounding injury should improve or advance our ability to identify processes which may serve as targets for therapeutic intervention. Clinicians working with athletes recovering from sports-related concussion should have an advanced understanding of the injury cascade and also be aware of the current efforts within the research to treat concussion. In addition, how clinicians use the word "treatment" should be carefully defined and promoted so the patient is aware of the level of intervention and what stage of recovery or healing is being affected by a specific intervention. The purpose of this review is to bring together efforts across disciplines of brain science into 1 platform where clinicians can assimilate this information before making best practices decisions regarding the treatment of patients and athletes under their care.
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20
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Abstract
Hyperoxic acute lung injury (HALI) refers to the damage to the lungs secondary to exposure to elevated oxygen partial pressure. HALI has been a concern in clinical practice with the development of deep diving and the use of normobaric as well as hyperbaric oxygen in clinical practice. Although the pathogenesis of HALI has been extensively studied, the findings are still controversial. Nitric oxide (NO) is an intercellular messenger and has been considered as a signaling molecule involved in many physiological and pathological processes. Although the role of NO in the occurrence and development of pulmonary diseases including HALI has been extensively studied, the findings on the role of NO in HALI are conflicting. Moreover, inhalation of NO has been approved as a therapeutic strategy for several diseases. In this paper, we briefly summarize the role of NO in the pathogenesis of HALI and the therapeutic potential of inhaled NO in HALI.
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Affiliation(s)
- Wen-Wu Liu
- Department of Diving and Hyperbaric Medicine, Secondary Military Medical University, Shanghai, China
| | - Cui-Hong Han
- Department of Pathology, the First Hospital of Jining City, Jining, Shandong Province, China
| | - Pei-Xi Zhang
- Department of Cardiothoracic Surgery, the First Hospital of Jining City, Jining, Shandong Province, China
| | - Juan Zheng
- Department of Diving and Hyperbaric Medicine, Secondary Military Medical University, Shanghai, China
| | - Kan Liu
- Department of Diving and Hyperbaric Medicine, Secondary Military Medical University, Shanghai, China
| | - Xue-Jun Sun
- Department of Diving and Hyperbaric Medicine, Secondary Military Medical University, Shanghai, China
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21
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Hu Q, Manaenko A, Matei N, Guo Z, Xu T, Tang J, Zhang JH. Hyperbaric oxygen preconditioning: a reliable option for neuroprotection. Med Gas Res 2016; 6:20-32. [PMID: 27826420 PMCID: PMC5075679 DOI: 10.4103/2045-9912.179337] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Brain injury is the leading cause of death and disability worldwide and clinically there is no effective therapy for neuroprotection. Hyperbaric oxygen preconditioning (HBO-PC) has been experimentally demonstrated to be neuroprotective in several models and has shown efficiency in patients undergoing on-pump coronary artery bypass graft (CABG) surgery. Compared with other preconditioning stimuli, HBO is benign and has clinically translational potential. In this review, we will summarize the results in experimental brain injury and clinical studies, elaborate the mechanisms of HBO-PC, and discuss regimes and opinions for future interventions in acute brain injury.
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Affiliation(s)
- Qin Hu
- Departments of Physiology and Pharmacology, Loma Linda University School of Medicine, Loma Linda, CA, USA
| | - Anatol Manaenko
- Departments of Physiology and Pharmacology, Loma Linda University School of Medicine, Loma Linda, CA, USA
| | - Nathanael Matei
- Departments of Physiology and Pharmacology, Loma Linda University School of Medicine, Loma Linda, CA, USA
| | - Zhenni Guo
- Departments of Physiology and Pharmacology, Loma Linda University School of Medicine, Loma Linda, CA, USA
| | - Ting Xu
- Departments of Physiology and Pharmacology, Loma Linda University School of Medicine, Loma Linda, CA, USA
| | - Jiping Tang
- Departments of Physiology and Pharmacology, Loma Linda University School of Medicine, Loma Linda, CA, USA
| | - John H Zhang
- Departments of Physiology and Pharmacology, Loma Linda University School of Medicine, Loma Linda, CA, USA; Department of Neurosurgery, Loma Linda University School of Medicine, Loma Linda, CA, USA
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22
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Affiliation(s)
- Brandon J Dixon
- Loma Linda University School of Medicine, Loma Linda, CA, USA
| | - John H Zhang
- Loma Linda University School of Medicine, Loma Linda, CA, USA
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23
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Chaves J, Neto F, Ikejiri A, Bertoletto P, Teruya R, Santos Simões R, Tikazawa E, Liu J, Carrara F, Taha M, Fagundes D. Period of Hyperbaric Oxygen Delivery Leads to Different Degrees of Hepatic Ischemia/Reperfusion Injury in Rats. Transplant Proc 2016; 48:516-20. [DOI: 10.1016/j.transproceed.2015.11.035] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2015] [Accepted: 11/06/2015] [Indexed: 11/26/2022]
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