Normobaric oxygen: a novel approach for treating chronic cerebral circulation insufficiency

Jiayue Ding1 Department of Neurology, Xuanwu Hospital, Capital Medical University, Beijing 100053, China, [email protected];2 Advanced Center of Stroke, Beijing Institute for Brain Disorders, Beijing 100053, China, [email protected];3 Department of China-America Institute of Neuroscience, Xuanwu Hospital, Capital Medical University, Beijing 100053, China, [email protected]

Da Zhou1 Department of Neurology, Xuanwu Hospital, Capital Medical University, Beijing 100053, China, [email protected];2 Advanced Center of Stroke, Beijing Institute for Brain Disorders, Beijing 100053, China, [email protected];3 Department of China-America Institute of Neuroscience, Xuanwu Hospital, Capital Medical University, Beijing 100053, China, [email protected]

Cheng Liu1 Department of Neurology, Xuanwu Hospital, Capital Medical University, Beijing 100053, China, [email protected];4 Department of Neurology, Yongxin People’s Hospital, Ji’an 343400, China

Liqun Pan1 Department of Neurology, Xuanwu Hospital, Capital Medical University, Beijing 100053, China, [email protected];2 Advanced Center of Stroke, Beijing Institute for Brain Disorders, Beijing 100053, China, [email protected];3 Department of China-America Institute of Neuroscience, Xuanwu Hospital, Capital Medical University, Beijing 100053, China, [email protected]

Jingyuan Ya1 Department of Neurology, Xuanwu Hospital, Capital Medical University, Beijing 100053, China, [email protected];2 Advanced Center of Stroke, Beijing Institute for Brain Disorders, Beijing 100053, China, [email protected];3 Department of China-America Institute of Neuroscience, Xuanwu Hospital, Capital Medical University, Beijing 100053, China, [email protected]

Yuchuan Ding3 Department of China-America Institute of Neuroscience, Xuanwu Hospital, Capital Medical University, Beijing 100053, China, [email protected];5 Department of Neurosurgery, Wayne State University School of Medicine, Detroit, MI 48201, USA

Xunming Ji2 Advanced Center of Stroke, Beijing Institute for Brain Disorders, Beijing 100053, China, [email protected];3 Department of China-America Institute of Neuroscience, Xuanwu Hospital, Capital Medical University, Beijing 100053, China, [email protected];6 Department of Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing 100053, China

Ran Meng1 Department of Neurology, Xuanwu Hospital, Capital Medical University, Beijing 100053, China, [email protected];2 Advanced Center of Stroke, Beijing Institute for Brain Disorders, Beijing 100053, China, [email protected];3 Department of China-America Institute of Neuroscience, Xuanwu Hospital, Capital Medical University, Beijing 100053, China, [email protected]Correspondence[email protected]

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Abstract

Chronic cerebral circulation insufficiency (CCCI) is viewed as an alarming state induced by long-term reduction in cerebral perfusion, which is associated with neurological deficits and high risk of stroke occurrence or recurrence. CCCI accounts for a large proportion of both outpatients and inpatients with cerebrovascular diseases, while management of CCCI remains a formidable challenge to clinicians. Normobaric oxygen (NBO) is an adjuvant hyperoxygenation intervention supplied with one atmosphere pressure (1 ATA =101.325 kPa). A plethora of studies have demonstrated the efficacy of NBO on the penumbra in acute stroke. NBO has been shown to increase the oxygen pressure, raise the intracranial blood flow, protect blood–brain barrier and enhance neuroprotective effects. As similar underlying mechanisms are shared by the penumbra in stroke and the ischemic–hypoxic brain tissues in CCCI, we speculate that NBO may serve as a promising therapeutic strategy for attenuating short-term symptoms or improving long-term clinical outcomes among patients with CCCI. Due to the scant research exploring the efficacy and safety of NBO for treating CCCI so far, both experimental and clinical studies are warranted to verify our hypothesis in the future.

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Acknowledgments

We would like to thank all patients and doctors who participated in this study for their cooperation. This study was sponsored by the National Key R&D Program of China (2017YFC1308401), the National Natural Science Foundation of China (81371289), and the Project of Beijing Municipal Top Talent for Healthy Work of China (2014-2-015).

Disclosure

The authors report no conflicts of interest in this work.

Normobaric oxygen: a novel approach for treating chronic cerebral circulation insufficiency

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Normobaric oxygen: a novel approach for treating chronic cerebral circulation insufficiency

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