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Stroke and hyperbaric oxygen

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https://www.readbyqxmd.com/read/28783886/cerebrospinal-vascular-diseases-misdiagnosed-as-decompression-illness-the-importance-of-considering-other-neurological-diagnoses
#1
Kiyotaka Kohshi, Yoshitaka Morimatsu, Hideki Tamaki, Yukio Murata, Katsuko Kohshi, Tatsuya Ishitake, Petar J Denoble
The diagnosis of decompression illness (DCI), which is based on a history of decompression and clinical findings, can sometimes be confounded with other vascular events of the central nervous system. The authors report three cases of divers who were urgently transported to a hyperbaric facility for hyperbaric oxygen treatment of DCI which at admission turned out to be something else. The first case, a 45-year-old experienced diver with unconsciousness, was clinically diagnosed as having experienced subarachnoid hemorrhage, which was confirmed by CT scan...
July 2017: Undersea & Hyperbaric Medicine: Journal of the Undersea and Hyperbaric Medical Society, Inc
https://www.readbyqxmd.com/read/28739152/nsl_-32671-retraction-notice-to-early-hyperbaric-oxygen-therapy-may-improve-the-long-term-neurological-consequences-of-diabetic-patients-suffering-from-hemorrhagic-stroke-neuroscience-letters-644-2017-83-86
#2
Qian Xu, Yi-Ting Wei, Shuang-Bo Fan, Liang Wang, Xiao-Ping Zhou
No abstract text is available yet for this article.
March 22, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28641323/ischaemia-reperfusion-injury-and-hyperbaric-oxygen-pathways-a-review-of-cellular-mechanisms
#3
REVIEW
Ashish Francis, Richard Baynosa
Ischaemia-induced tissue injury has wide-ranging clinical implications including myocardial infarction, stroke, compartment syndrome, ischaemic renal failure and replantation and revascularization. However, the restoration of blood flow produces a 'second hit' phenomenon, the effect of which is greater than the initial ischaemic event and characterizes ischaemia-reperfusion (IR) injury. Some examples of potential settings of IR injury include: following thrombolytic therapy for stroke, invasive cardiovascular procedures, solid organ transplantation, and major trauma resuscitation...
June 2017: Diving and Hyperbaric Medicine: the Journal of the South Pacific Underwater Medicine Society
https://www.readbyqxmd.com/read/28625252/-cerebral-injury-induced-by-heat-stroke-and-the-therapeutic-effect-of-hyperbaric-oxygen-therapy
#4
Xiaoxiao Ni, Zhifeng Liu, Qiuyou Xie, Huasheng Tong, Lei Su, Ronghao Yu
With the global warming, the incidence of heat stroke was significantly higher than before. Severe heat stroke has a high mortality, high morbidity and consolidated central nervous system injury characteristics. The main features of severe heat stroke cerebral injury include cognitive impairment, delirium, convulsions and coma. Its mechanism is related with heat shock induced cerebral tissue ischemia and hypoxia, vascular dysfunction, secondary cascade inflammation and so on. Currently, the main treatment of heat stroke cerebral injury is the hypothermia therapy, dehydration for the reduction of intracranial pressure, naloxone and other cerebral protection and nutrition treatments...
June 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/28607332/massive-ischemic-stroke-due-to-pulmonary-barotrauma-and-cerebral-artery-air-embolism-during-commercial-air-travel
#5
Sara Farshchi Zarabi, Matteo Parotto, Rita Katznelson, James Downar
BACKGROUND Air embolism into the systemic arterial circulation secondary to pulmonary barotrauma has rarely been reported. Herein, we report the clinical course of an extremely rare presentation of cerebral air embolism likely due to ruptured pulmonary bullae during commercial air travel. CASE REPORT A 65-year-old man suddenly became unconscious during an airplane descent. Upon landing, he was immediately transferred to the nearest emergency department where he was intubated for airway protection. His head CT angiogram showed multiple air pockets in the right parietal lobe suspicious for multiple air emboli...
June 13, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28604343/breathing-100-oxygen-during-water-immersion-improves-postimmersion-cardiovascular-responses-to-orthostatic-stress
#6
John P Florian, Ki H Chon, Luca Faes, Barbara E Shykoff
Physiological compensation to postural stress is weakened after long-duration water immersion (WI), thus predisposing individuals to orthostatic intolerance. This study was conducted to compare hemodynamic responses to postural stress following exposure to WI alone (Air WI), hyperbaric oxygen alone in a hyperbaric chamber (O2 HC), and WI combined with hyperbaric oxygen (O2 WI), all at a depth of 1.35 ATA, and to determine whether hyperbaric oxygen is protective of orthostatic tolerance. Thirty-two healthy men underwent up to 15 min of 70° head-up tilt (HUT) testing before and after a single 6-h resting exposure to Air WI (N = 10), O2 HC (N = 12), or O2 WI (N = 10)...
December 2016: Physiological Reports
https://www.readbyqxmd.com/read/28495827/hyperbaric-oxygen-reduces-infarction-volume-and-hemorrhagic-transformation-through-atp-nad-sirt1-pathway-in-hyperglycemic-middle-cerebral-artery-occlusion-rats
#7
Qin Hu, Anatol Manaenko, Hetao Bian, Zongduo Guo, Jun-Long Huang, Zhen-Ni Guo, Peng Yang, Jiping Tang, John H Zhang
BACKGROUND AND PURPOSE: Energy depletion is a critical factor leading to cell death and brain dysfunction after ischemic stroke. In this study, we investigated whether energy depletion is involved in hyperglycemia-induced hemorrhagic transformation after ischemic stroke and determined the pathway underlying the beneficial effects of hyperbaric oxygen (HBO). METHODS: After 2-hour middle cerebral artery occlusion, hyperglycemia was induced by injecting 50% dextrose (6 mL/kg) intraperitoneally at the onset of reperfusion...
June 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28480034/co-administration-of-tissue-plasminogen-activator-and-hyperbaric-oxygen-in-ischemic-stroke-a-continued-promise-for-neuroprotection
#8
REVIEW
Ze-Song Yang, Jun Mu
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...
January 2017: Medical Gas Research
https://www.readbyqxmd.com/read/28431636/systemic-air-embolism-after-endoscopy-without-vessel-injury-a-summary-of-reported-cases
#9
Peter Voigt, Stefan Schob, Sebastian Gottschling, Thomas Kahn, Alexey Surov
INTRODUCTION: Systemic air embolism (SAE) is a rare but serious complication following endoscopic procedures. It may occur with or without direct vessel injury. The aim of this work is to review cases of SAE following endoscopy without proven vessel injury. METHODS: In this systematic review PubMed database was screened for SAE following endoscopy from 1990 to 2015. Only cases without proven major vessel injury were included in the analysis. Including one case of SAE after colonoscopy from our hospital the analysis comprised 40 cases...
May 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28427969/hyperbaric-oxygen-therapy-is-associated-with-lower-short-and-long-term-mortality-in-patients-with-carbon-monoxide-poisoning
#10
Chien-Cheng Huang, Chung-Han Ho, Yi-Chen Chen, Hung-Jung Lin, Chien-Chin Hsu, Jhi-Joung Wang, Shih-Bin Su, How-Ran Guo
BACKGROUND: To date, there has been no consensus about the effect of hyperbaric oxygen therapy (HBOT) on the mortality of patients with carbon monoxide poisoning (COP). This retrospective nationwide population-based cohort study from Taiwan was conducted to clarify this issue. METHODS: Using the Nationwide Poisoning Database, we identified 25,737 patients with COP diagnosed between 1999 and 2012, including 7,278 patients who received HBOT and 18,459 patients who did not...
April 17, 2017: Chest
https://www.readbyqxmd.com/read/28352069/efficacy-of-n-butylphthalide-and-hyperbaric-oxygen-therapy-on-cognitive-dysfunction-in-patients-with-delayed-encephalopathy-after-acute-carbon-monoxide-poisoning
#11
RANDOMIZED CONTROLLED TRIAL
Wenping Xiang, Hui Xue, Baojun Wang, Yuechun Li, Jun Zhang, Changchun Jiang, Jiangxia Pang
BACKGROUND Delayed encephalopathy after acute carbon monoxide (CO) poisoning (DEACMP) is one of the most serious complications after CO poisoning. This study was conducted to explore the efficacy of the combined application of N-Butylphthalide and hyperbaric oxygenation therapy (HBO) on cognitive dysfunction in patients with DEACMP. MATERIAL AND METHODS A total of 184 patients with DEACMP were randomly assigned to either receive HBO or N-Butylphthalide and HBO. Meanwhile, all patients received conventional treatment...
March 29, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28260864/combined-application-of-dexamethasone-and-hyperbaric-oxygen-therapy-yields-better-efficacy-for-patients-with-delayed-encephalopathy-after-acute-carbon-monoxide-poisoning
#12
RANDOMIZED CONTROLLED TRIAL
Wenping Xiang, Hui Xue, Baojun Wang, Yuechun Li, Jun Zhang, Changchun Jiang, Furu Liang, Jiangxia Pang, Lehua Yu
BACKGROUND: Delayed encephalopathy after acute carbon monoxide (CO) poisoning (DEACMP) commonly occurs after recovering from acute CO poisoning. This study was performed to assess the efficacy of the combined application of dexamethasone and hyperbaric oxygen (HBO) therapy in patients with DEACMP. PATIENTS AND METHODS: A total of 120 patients with DEACMP were recruited and randomly assigned into the experimental group (receiving dexamethasone 5 mg/day or 10 mg/day plus HBO therapy) and control group (HBO therapy as monotherapy)...
2017: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/28237802/retracted-early-hyperbaric-oxygen-therapy-may-improve-the-long-term-neurological-consequences-of-diabetic-patients-suffering-from-hemorrhagic-stroke
#13
Qian Xu, Yi-Ting Wei, Shuang-Bo Fan, Liang Wang, Xiao-Ping Zhou
This article has been retracted: please see Elsevier Policy on Article Withdrawal (https://www.elsevier.com/about/our-business/policies/article-withdrawal). This article has been retracted at the request of Neuroscience Letters has learned that text throughout this paper duplicates, or nearly duplicates, text in an earlier paper by others (Rusyniak DE, Kirk MA, May JD, Kao LW, Brizendine EJ, Welch JL, Cordell WH, Alonso RJ; Hyperbaric Oxygen in Acute Ischemic Stroke Trial Pilot Study, Stroke. 2003 Feb;34(2):571-4)...
February 23, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28228657/repetitive-hyperbaric-oxygen-treatment-increases-insulin-sensitivity-in-diabetes-patients-with-acute-intracerebral-hemorrhage
#14
Qian Xu, Yi-Ting Wei, Shuang-Bo Fan, Liang Wang, Xiao-Ping Zhou
AIM: The role of hyperbaric oxygen therapy (HBOT) in the treatment of acute ischemic stroke is controversial. This study aims to investigate whether the peripheral insulin sensitivity of type 2 diabetes patients suffering from intracerebral hemorrhage can be increased after HBOT. METHODS: Fifty-two type 2 diabetes participants were recruited after being diagnosed with intracerebral hemorrhage in our hospital. Insulin sensitivity was measured by the glucose infusion rate during a hyperinsulinemic euglycemic clamp (80 mU m(-2) min(-1)) at baseline and 10 and 30 days after HBOT sessions...
2017: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/28217297/hyperbaric-oxygen-therapy-and-preconditioning-for-ischemic-and-hemorrhagic-stroke
#15
REVIEW
Sheng-Li Hu, Hua Feng, Guo-Hua Xi
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...
October 2016: Medical Gas Research
https://www.readbyqxmd.com/read/27999137/cystatin-c-is-a-crucial-endogenous-protective-determinant-against-stroke
#16
Zongping Fang, Jiao Deng, Zhixin Wu, Beibei Dong, Shiquan Wang, Xiaodan Chen, Huang Nie, Hailong Dong, Lize Xiong
BACKGROUND AND PURPOSE: Endogenous neuroprotection can be induced by ischemic and nonischemic preconditioning. However, not all subjects that undergo preconditioning exhibit similar favorable outcome. This study is to explore the molecules responsible for this phenomenon and find new therapeutic targets for stroke. METHODS: Adult male Sprague-Dawley rats were subjected to transient middle cerebral artery occlusion. High-throughput proteomic technique, isobaric tag for relative and absolute quantification, was used to screen differentially expressed proteins in the rats that developed ischemic tolerance from hyperbaric oxygen (HBO) preconditioning...
February 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/27867486/effects-of-normobaric-versus-hyperbaric-oxygen-on-cell-injury-induced-by-oxygen-and-glucose-deprivation-in-acute-brain-slices
#17
Laurent Chazalviel, Jean-Eric Blatteau, Nicolas Vallée, Jean-Jacques Risso, Stéphane Besnard, Jacques H Abraini
Normobaric oxygen (NBO) and hyperbaric oxygen (HBO) are emerging as a possible co-treatment of acute ischemic stroke. Both have been shown to reduce infarct volume, to improve neurologic outcome, to promote endogenous tissue plasminogen activator-induced thrombolysis and cerebral blood flow, and to improve tissue oxygenation through oxygen diffusion in the ischemic areas, thereby questioning the interest of HBO compared to NBO. In the present study, in order to investigate and compare the oxygen diffusion effects of NBO and HBO on acute ischemic stroke independently of their effects at the vascular level, we used acute brain slices exposed to oxygen and glucose deprivation, an ex vivo model of brain ischemia that allows investigating the acute effects of NBO (partial pressure of oxygen (pO2) = 1 atmospheres absolute (ATA) = 0...
July 2016: Medical Gas Research
https://www.readbyqxmd.com/read/27867477/hyperbaric-oxygen-therapy-in-experimental-and-clinical-stroke
#18
REVIEW
Wei-Wei Zhai, Liang Sun, Zheng-Quan Yu, Gang Chen
Stroke, which is defined as a neurologic deficit caused by sudden impaired blood supply, has been considered as a common cause of death and disability for decades. The World Health Organization has declared that almost every 5 seconds a new stroke occurs, placing immense socioeconomic burdens. However, the effective and available treatment strategies are still limited. Additionally, the most effective therapy, such as thrombolysis and stenting for ischemic stroke, generally requires a narrow therapeutic time window after the event...
April 2016: Medical Gas Research
https://www.readbyqxmd.com/read/27867476/hyperbaric-oxygen-therapy-for-traumatic-brain-injury-bench-to-bedside
#19
REVIEW
Qin Hu, Anatol Manaenko, Ting Xu, Zhenni Guo, Jiping Tang, John H Zhang
Traumatic brain injury (TBI) is a serious public health problem in the United States. Survivors of TBI are often left with significant cognitive, behavioral, and communicative disabilities. So far there is no effective treatment/intervention in the daily clinical practice for TBI patients. The protective effects of hyperbaric oxygen therapy (HBOT) have been proved in stroke; however, its efficiency in TBI remains controversial. In this review, we will summarize the results of HBOT in experimental and clinical TBI, elaborate the mechanisms, and bring out our current understanding and opinions for future studies...
April 2016: Medical Gas Research
https://www.readbyqxmd.com/read/27455873/paradoxical-cerebral-air-embolism-causing-large-vessel-occlusion-treated-with-endovascular-aspiration
#20
Patrick J Belton, Ashish Nanda, Syeda L Alqadri, Gurpreet S Khakh, Premkumar Nattanmai Chandrasekaran, Christopher Newey, William E Humphries
Cerebral air embolism is a dreaded complication of invasive medical procedures. The mainstay of therapy for patients with cerebral air embolism has been hyperbaric oxygen therapy, high flow oxygen therapy, and anticonvulsants. We present a novel therapeutic approach for treatment of cerebral air embolism causing large vessel occlusion, using endovascular aspiration. Our patient developed a cerebral air embolism following sclerotherapy for varicose veins. This caused near total occlusion of the superior division of the M2 segment of the right middle cerebral artery...
April 2017: Journal of Neurointerventional Surgery
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