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https://www.readbyqxmd.com/read/28101424/detection-and-classification-of-three-class-initial-dips-from-prefrontal-cortex
#1
Amad Zafar, Keum-Shik Hong
In this paper, the use of initial dips using functional near-infrared spectroscopy (fNIRS) for brain-computer interface (BCI) is investigated. Features and window sizes for detecting initial dips are also discussed. Three mental tasks including mental arithmetic, mental counting, and puzzle solving are performed in obtaining fNIRS signals from the prefrontal cortex. Vector-based phase analysis method combined with a threshold circle, as a decision criterion, are used to detect the initial dips. Eight healthy subjects participate in experiment...
January 1, 2017: Biomedical Optics Express
https://www.readbyqxmd.com/read/28078611/hyperbaric-oxygen-prevents-cognitive-impairments-in-mice-induced-by-d-galactose-by-improving-cholinergic-and-anti-apoptotic-functions
#2
Chunxia Chen, Luying Huang, Zhihuan Nong, Yaoxuan Li, Wan Chen, Jianping Huang, Xiaorong Pan, Guangwei Wu, Yingzhong Lin
Our previous study demonstrated that hyperbaric oxygen (HBO) improved cognitive impairments mainly by regulating oxidative stress, inflammatory responses and aging-related gene expression. However, a method for preventing cognitive dysfunction has yet to be developed. In the present study, we explored the protective effects of HBO on the cholinergic system and apoptosis in D-galactose (D-gal)-treated mice. A model of aging was established via systemic intraperitoneal injection of D-gal daily for 8 weeks. HBO was administered during the last 2 weeks of D-gal injection...
January 11, 2017: Neurochemical Research
https://www.readbyqxmd.com/read/28065873/hyperbaric-oxygen-effects-on-depression-like-behavior-and-neuroinflammation-in-traumatic-brain-injury-rats
#3
Sher-Wei Lim, Kuan-Chin Sung, Yow-Ling Shiue, Che-Chuan Wang, Chung-Ching Chio, Jinn-Rung Kuo
OBJECTIVE: The aim of this study was to determine whether hyperbaric oxygen (HBO) therapy causes attenuation of traumatic brain injury (TBI)-induced depression-like behavior and its associated anti-neuroinflammatory effects after fluid percussion injury. METHODS: Anesthetized male Sprague-Dawley rats were divided into three groups: sham operation + NBA (normobaric air: 21% O2 at 1 absolute atmosphere [ATA]), TBI + NBA, and TBI + HBO (100% O2 at 2.0 ATA). HBO was applied immediately for 60 min/day after TBI for 3 days...
January 5, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28058534/hyperbaric-oxygen-attenuates-neuropathic-pain-and-reverses-inflammatory-signaling-likely-via-the-kindlin-1-wnt-10a-signaling-pathway-in-the-chronic-pain-injury-model-in-rats
#4
Baisong Zhao, Yongying Pan, Haiping Xu, Xingrong Song
BACKGROUND: Hyperbaric oxygen (HBO) therapy is proven to attenuate neuropathic pain in rodents. The goal of the present study was to determine the potential involvement of the Kindlin-1/Wnt-10a signaling pathway during astrocyte activation and inflammation in a rodent model of neuropathic pain. METHODS: Rats were assigned into sham operation, chronic constriction injury (CCI), and CCI + HBO treatment groups. Neuropathic pain developed in rats following CCI of the sciatic nerve...
December 2017: Journal of Headache and Pain
https://www.readbyqxmd.com/read/28058169/idiopathic-isolated-cilioretinal-artery-occlusion-treated-with-hyperbaric-oxygen-therapy
#5
Serdar Aktaş, Osman Murat Uyar, Erol Özer, Hatice Aktaş, Kadir Eltutar
Cilioretinal artery occlusion (CLRAO) is a rare event which has been reported in association with various systemic diseases. We report a case of idiopathic isolated CLRAO treated successfully with hyperbaric oxygen (HBO) therapy. A 26-year-old man presented with sudden, painless vision loss and an inferior hemivisual field defect in the left eye. Fundus fluorescein angiography revealed an occluded cilioretinal artery. After 2 weeks of HBO therapy, visual acuity improved from 20/200 to 20/20. The visual field defect improved...
October 2016: Turkish Journal of Ophthalmology
https://www.readbyqxmd.com/read/27999137/cystatin-c-is-a-crucial-endogenous-protective-determinant-against-stroke
#6
Zongping Fang, Jiao Deng, Zhixin Wu, Beibei Dong, Shiquan Wang, Xiaodan Chen, Huang Nie, Hailong Dong, Lize Xiong
BACKGROUND AND PURPOSERESULTS: 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...
December 20, 2016: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/27984436/the-effects-of-short-and-long-term-exposure-to-hyperbaric-oxygen-on-nasal-mucociliary-clearance
#7
Sinan Uluyol, Levent Demir, Saffet Kilicaslan
The aim of this study is to assess the effects of short- and long-term exposure to hyperbaric oxygen (HBO) on nasal mucociliary clearance (MCC). This study included 47 consecutive nondiabetic patients treated with hyperbaric oxygen therapy (HBOT). Participants were divided into 2 groups according to the taken number of HBOT sessions. Nineteen patients who received <11 HBOT sessions comprised short-term HBOT group, 28 patients who received more than 15 sessions comprised the long-term HBOT group. Mucociliary clearance was measured using a saccharin clearance test, which was performed 3 times on patients: prior to, at completion of, and 6 months after HBOT...
December 14, 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/27964845/intratympanic-steroid-injection-and-hyperbaric-oxygen-therapy-for-the-treatment-of-refractory-sudden-hearing-loss
#8
Filiz Gülüstan, Zahide Mine Yazıcı, Wesam M E Alakhras, Omer Erdur, Harun Acipayam, Levent Kufeciler, Fatma Tulin Kayhan
INTRODUCTION: Controversy surrounds the use of salvage therapies to treat sudden sensorineural hearing loss (SSNHL), with no consensus on recommendations. While several studies have demonstrated the effectiveness of intratympanic administration of steroids (ITS) and hyperbaric oxygen (HBO) treatment, few have compared the efficacy of ITS and HBO therapy in patients with refractory SSNHL. OBJECTIVE: We evaluated the efficiency of ITS and HBO therapy in patients with refractory SSNHL...
November 22, 2016: Brazilian Journal of Otorhinolaryngology
https://www.readbyqxmd.com/read/27935081/hemodynamic-function-during-finger-force-production-tasks-in-healthy-adults
#9
Luca Pollonini, Lena Younes, Stacey L Gorniak
INTRODUCTION: Near-infrared spectroscopy (NIRS) is a non-invasive technique utilized to measure muscle hemodynamics. The focus of this study was to evaluate changes in muscle oxygenation during sustained maximal force production in young, healthy control individuals to establish baseline function in an ideal population. METHODS: NIRS was used to monitor reduced hemoglobin (HbR) and oxygenated hemoglobin (HbO) in forearm muscles. Hemodynamic responses during force production tasks were monitored in real time...
December 9, 2016: Muscle & Nerve
https://www.readbyqxmd.com/read/27928615/clinical-effect-of-hyperbaric-oxygen-therapy-in-the-treatment-of-femoral-head-necrosis-a%C3%A2-systematic-review-and-meta-analysis
#10
Wei Li, Ziliang Ye, Wei Wang, Kun Wang, Lang Li, Dewei Zhao
BACKGROUND: Although many clinical studies have shown that hyperbaric oxygen (HBO) therapy in the treatment of femoral head necrosis can significantly improve clinical symptoms and patients' quality of life, this conclusion has not been systematically evaluated. Therefore, a meta-analysis was performed to systematically evaluate the clinical effect of HBO therapy in the treatment of femoral head necrosis. METHODS: PubMed, Embase, and Web of Science databases, as well as the reference lists of relevant studies published before August 2016 were systematically searched using terms related to HBO and femoral head necrosis...
December 7, 2016: Der Orthopäde
https://www.readbyqxmd.com/read/27922759/the-effects-of-hyperbaric-oxygen-treatment-on-total-antioxidant-capacity-and-prolidase-activity-after-bile-duct-ligation-in-rats
#11
Duygu Terzioglu, Lebriz Uslu, Gonul Simsek, Pinar Atukeren, Hayriye Erman, Remise Gelisgen, Suleyman Ayvaz, Burhan Aksu, Hafize Uzun
BACKGROUND: Hyperbaric oxygen (HBO) therapy may improve cholestasis, increase hepatic regeneration, and decrease oxidative stress in liver. In this study, we aimed to investigate the effects of HBO therapy on hepatic oxidative stress parameters, such as total thiol groups (T-SH), protein carbonyl (PCO), and total antioxidant capacity (TAC) as well as the predictive value of the noninvasive biochemical marker, sialic acid (SA), and prolidase activity in bile duct ligation (BDL)-induced oxidative damage and fibrosis in rats...
December 6, 2016: Journal of Investigative Surgery: the Official Journal of the Academy of Surgical Research
https://www.readbyqxmd.com/read/27904712/hyperbaric-oxygen-protects-mandibular-condylar-chondrocytes-from-interleukin-1%C3%AE-induced-apoptosis-via-the-pi3k-akt-signaling-pathway
#12
Hang Chen, Gaoyi Wu, Qi Sun, Yabing Dong, Huaqiang Zhao
Objectives: Mandibular condylar chondrocyte apoptosis is mainly responsible for the development and progression of temporomandibular joint osteoarthritis (TMJ-OA). Interleukin-1β (IL-1β) generally serves an agent that induces chondrocyte apoptosis. Hyperbaric oxygen (HBO) treatment increases proteoglycan synthesis in vivo. We explore the protective effect of HBO on IL-1β-induced mandibular condylar chondrocyte apoptosis in rats and the potential molecular mechanisms. Methods: Chondrocytes were isolated from the TMJ of 3-4-week old Sprague-Dawley rats...
2016: American Journal of Translational Research
https://www.readbyqxmd.com/read/27882078/debridement-in-chronic-osteomyelitis-with-benign-osteopetrosis-a-case-report
#13
Yu-Ping Liu, Xiang-Hua Lin, Man-Yun Yan, Bao-Quan Lin, Ming-Ying Zhuo
Osteopetrosis is a rare bone disease caused by metabolic imbalances as a result of genetic mutations. For instance, autosomal dominant osteopetrosis is caused by a missense mutation of the C1CN7 gene. This was first reported in 1904 and is thought to be caused by osteoclastic dysfunction and an impaired bone resorption ability. An accumulation of cortical bone mass during the remodeling of the medullary bone may increase the bone density and give rise to a hard marble consistency. Osteopetrosis can be divided into benign and malignant forms; however, no curative treatment exists for benign osteopetrosis...
November 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/27873505/hyperbaric-oxygen-pretreatment-improves-cognition-and-reduces-hippocampal-damage-via-p38-mitogen-activated-protein-kinase-in-a-rat-model
#14
Baisong Zhao, Yongying Pan, Zixin Wang, Haiping Xu, Xingrong Song
PURPOSE: To investigate the effects of hyperbaric oxygen (HBO) pretreatment on cognitive decline and neuronal damage in an Alzheimer's disease (AD) rat model. MATERIALS AND METHODS: Rats were divided into three groups: normal saline (NS), AD, and HBO+AD. In the AD group, amyloid β peptide (Aβ)₁₋₄₀ was injected into the hippocampal CA1 region of the brain. NS rats received NS injection. In the HBO+AD group, rats received 5 days of daily HBO therapy following Aβ₁₋₄₀ injection...
January 2017: Yonsei Medical Journal
https://www.readbyqxmd.com/read/27872733/hyperhemolytic-syndrome-complicating-a-delayed-hemolytic-transfusion-reaction-due-to-anti-p1-alloimmunization-in-a-pregnant-woman-with-hbo-arab-%C3%AE-thalassemia
#15
Zoe Bezirgiannidou, Anna Christoforidou, Eftychia Kontekaki, Athanasios G Anastasiadis, Spyros I Papamichos, Helen Menexidou, Dimitrios Margaritis, Georges Martinis, Elpis Mantadakis
BACKGROUND: Hyperhemolytic Syndrome or Hyperhemolytic Transfusion Reaction (HHTR), a life-threatening subset of Delayed Hemolytic Transfusion Reaction (DHTR) is characterized by destruction of both transfused and autologous erythrocytes evidenced by a fall in post transfusion hemoglobin below the pre-transfusion level. CASE REPORT: We describe a case of DHTR due to anti-P1 alloimmunization manifesting with hyperhemolysis in a 30-year-old Greek Pomak woman with thalassemia intermedia (HbO-Arab/β-thalassemia), during the11(th) week of her first gestation...
2016: Mediterranean Journal of Hematology and Infectious Diseases
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
#16
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/27867469/hyperbaric-oxygen-increases-tissue-plasminogen-activator-induced-thrombolysis-in-vitro-and-reduces-ischemic-brain-damage-and-edema-in-rats-subjected-to-thromboembolic-brain-ischemia
#17
Laurent Chazalviel, Benoit Haelewyn, Mickael Degoulet, Jean-Eric Blatteau, Nicolas Vallée, Jean-Jacques Risso, Stéphane Besnard, Jacques H Abraini
Recent data have shown that normobaric oxygen (NBO) increases the catalytic and thrombolytic efficiency of recombinant tissue plasminogen activator (rtPA) in vitro, and is as efficient as rtPA at restoring cerebral blood flow in rats subjected to thromboembolic brain ischemia. Therefore, in the present study, we studied the effects of hyperbaric oxygen (HBO) (i) on rtPA-induced thrombolysis in vitro and (ii) in rats subjected to thromboembolic middle cerebral artery occlusion-induced brain ischemia. HBO increases rtPA-induced thrombolysis in vitro to a greater extent than NBO; in addition, HBO treatment of 5-minute duration, but not of 25-minute duration, reduces brain damage and edema in vivo...
April 2016: Medical Gas Research
https://www.readbyqxmd.com/read/27864508/radiotherapy-using-imrt-boosts-after-hyperbaric-oxygen-therapy-with-chemotherapy-for-glioblastoma
#18
Katsuya Yahara, Takayuki Ohguri, Hiroki Udono, Junkoh Yamamoto, Kyosuke Tomura, Toshihiro Onoda, Hajime Imada, Shigeru Nishizawa, Yukunori Korogi
The purpose of this study was to evaluate the feasibility and efficacy of radiotherapy (RT) using intensity-modulated radiotherapy (IMRT) boosts after hyperbaric oxygen (HBO) therapy with chemotherapy in patients with glioblastoma. Twenty-four patients with glioblastoma were treated with the combined therapy, which was RT using IMRT boosts after HBO with chemotherapy, and were retrospectively analyzed. The RT protocol was as follows: first, 3D conformal RT [40 Gy/20 fractions (fr)] was delivered to the gross tumor volume (GTV) and the surrounding edema, including an additional 1...
November 17, 2016: Journal of Radiation Research
https://www.readbyqxmd.com/read/27857747/neuroprotection-of-hyperbaric-oxygen-therapy-in-sub-acute-traumatic-brain-injury-not-by-immediately-improving-cerebral-oxygen-saturation-and-oxygen-partial-pressure
#19
Bao-Chun Zhou, Li-Jun Liu, Bing Liu
Although hyperbaric oxygen (HBO) therapy can promote the recovery of neural function in patients who have suffered traumatic brain injury (TBI), the underlying mechanism is unclear. We hypothesized that hyperbaric oxygen treatment plays a neuroprotective role in TBI by increasing regional transcranial oxygen saturation (rSO2) and oxygen partial pressure (PaO2). To test this idea, we compared two groups: a control group with 20 healthy people and a treatment group with 40 TBI patients. The 40 patients were given 100% oxygen of HBO for 90 minutes...
September 2016: Neural Regeneration Research
https://www.readbyqxmd.com/read/27849544/imagined-hand-clenching-force-and-speed-modulate-brain-activity-and-are-classified-by-nirs-combined-with-eeg
#20
Yunfa Fu, Xin Xiong, Changhao Jiang, Baolei Xu, Yongcheng Li, Hongyi Li
Simultaneous acquisition of brain activity signals from the sensorimotor area using NIRS combined with EEG, imagined hand clenching force and speed modulation of brain activity, as well as 6-class classification of these imagined motor parameters by NIRS-EEG were explored. Near infrared probes were aligned with C3 and C4, and EEG electrodes were placed midway between the NIRS probes. NIRS and EEG signals were acquired from 6 healthy subjects during 6 imagined hand clenching force and speed tasks involving the right hand...
November 10, 2016: IEEE Transactions on Neural Systems and Rehabilitation Engineering
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