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Hyperbaric Chamber

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https://www.readbyqxmd.com/read/29764545/-effects-of-n-butylphthalide-on-the-expressions-of-zo-1-and-claudin-5-in-blood-brain-barrier-of-rats-with-acute-carbon-monoxide-poisoning
#1
Li Wang, Xiaoyu Ding, Mingjun Bi, Jinglin Wang, Yong Zou, Jiyou Tang, Qin Li
OBJECTIVE: To explore the effects of N-butylphthalide on the expressions of ZO-1 and claudin-5 in blood-brain barrier (BBB) in rats with acute carbon monoxide (CO) poisoning. METHODS: A total of 144 adult healthy male Sprague-Dawley (SD) rats were randomly divided into normal control group, CO poisoning group, and NBP treatment group, with 48 rats in each group. The acute CO poisoning model was reproduced in hyperbaric oxygen chamber, and all model rats were given hyperbaric oxygen therapy once daily...
May 2018: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/29757667/safety-and-tolerability-of-hyperbaric-oxygen-therapy-in-cats-and-dogs
#2
Gemma L Birnie, Darren R Fry, Matthew P Best
This prospective clinical trial was designed to evaluate the safety of hyperbaric oxygen therapy (HBOT) in a population of cats and dogs with a variety of naturally occurring diseases. Seventy-eight dogs and twelve cats with various naturally occurring disease conditions, who had the potential to benefit from HBOT, were enrolled in the study. These patients were treated with HBOT in a monoplace hyperbaric oxygen chamber at 2 air pressure absolute for a treatment length of either 45 min or 60 min. There were 230 hyperbaric oxygen treatments performed during the study period...
May 14, 2018: Journal of the American Animal Hospital Association
https://www.readbyqxmd.com/read/29734566/hyperbaric-oxygen-for-post-concussive-symptoms-in-united-states-military-service-members-a-randomized-clinical-trial
#3
Lindell K Weaver, Steffanie H Wilson, Anne S Lindblad, Susan Churchill, Kayla Deru, Robert C Price, Chris S Williams, William W Orrison, James M Walker, Anna Meehan, Susan Mirow
Background: In prior military randomized trials, participants with persistent symptoms after mild traumatic brain injury (TBI) reported improvement regardless of receiving hyperbaric oxygen (HBO₂) or sham intervention. This study's objectives were to identify outcomes for future efficacy trials and describe changes by intervention. Methods: This Phase II, randomized, double-blind, sham-controlled trial enrolled military personnel with mild TBI and persistent post-concussive symptoms...
March 2018: Undersea & Hyperbaric Medicine: Journal of the Undersea and Hyperbaric Medical Society, Inc
https://www.readbyqxmd.com/read/29700404/preservation-of-rat-limbs-by-hyperbaric-carbon-monoxide-and-oxygen
#4
Naoyuki Hatayama, Shuichi Hirai, Munekazu Naito, Hayato Terayama, Jun Araki, Hiroki Yokota, Masayuki Matsushita, Xiao-Kang Li, Masahiro Itoh
Cold ischemia times ranging from <6 h to as long as 24 h are generally quoted as the limits for attempting the replantation of amputated extremities. In this study, we aimed to assess the effect of hyperbaric carbon monoxide (CO) and oxygen (O2 ) on rat limb preservation. Donor rat limbs were preserved in a chamber filled with hyperbaric CO and O2 for 3 days (CO + O2 3 days) or 7 days (CO + O2 7 days). Positive and negative control groups were created by using non-preserved limbs (NP) and limbs wrapped in saline-moistened gauze for 3 days (SMG 3 days), respectively...
April 26, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29673435/decompression-sickness-in-the-f-a-18c-after-atypical-cabin-pressure-fluctuations
#5
Katherine J Lee, Aliye Z Sanou
BACKGROUND: The spectrum of altitude decompression sickness (DCS) is evolving as more cases of atypical pressure fluctuations occur. This ongoing change makes it a difficult condition to diagnose and even more difficult to identify. Both Flight Surgeons and Undersea Medical Officers (UMOs) must keep DCS on the differential. These two cases describe altitude DCS after unique pressure patterns, with one at a markedly lower than expected altitude for DCS. CASE REPORT: Both cases occurred in the F/A-18C and resulted in DCS requiring hyperbaric chamber treatment...
May 1, 2018: Aerospace Medicine and Human Performance
https://www.readbyqxmd.com/read/29619425/-in-vitro-studies-on-heme-oxygenase-1-and-p24-antigen-hiv-1-level-afterhyperbaric-oxygen-treatmentofhiv-1-infected-on-peripheral-blood-mononuclear-cells-pbmcs
#6
Retno Budiarti, Kuntaman, Nasronudin, Suryokusumo, Siti Qamariyah Khairunisa
Background: Heme oxygenase-1 (HO-1) is a protein secreted by immune cells as a part of immune response mechanism.HO-1 can be induced by variety agents that causingoxidative stress, such as exposure to 100% oxygenat2,4 ATA pressure.It plays a vital role in maintaining cellular homeostasis.This study was conducted to identify the effect of hyperbaric oxygen exposure in cultured ofPBMCthat infected by HIV-1. Material and Methods: Primary culture of PBMCs were isolated from 16 healthy volunteers and HIV-1 infected MT4 cell line by co-culture...
2018: African Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29611615/health-effects-of-hyperbaric-exposure-on-chamber-attendants-a-literature-review
#7
Richard Pougnet, Laurence Pougnet, David Lucas, Anne Henckes, Brice Loddé, Jean-Dominique Dewitte
BACKGROUND: Inside attendants working in hyperbaric chambers are exposed to risks related to the hyperbaric environment, handling and care. The aim of this study is to review the literature focusing on the impact of this activity on health. MATERIALS AND METHODS: This is a literature review using the Medline database. RESULTS: Eight articles studied decompression illness (DCI). The incidence of DCI ranged from 0 to 37 per 100,000 sessions in hyperbaric chambers (SHC)...
2018: International Maritime Health
https://www.readbyqxmd.com/read/29582672/effect-of-hyperbaric-oxygen-on-proliferation-and-gene-expression-of-human-chondrocytes-an-in-vitro-study
#8
Carolin Melcher, Birte Sievers, Nadine Höchsmann, Frank Düren, Volkmar Jansson, Peter E Müller
Purpose The present study investigated the effects of hyperbaric oxygen (HBO) on human chondrocyte proliferation and gene expression patterns. Methods Chondrocyte cultures were transferred to a HBO chamber and exposed to 100% oxygen for 7 consecutive days. Within groups, pressure was varied between 1 and 2 atm and duration of HBO administration was varied among 60, 90, and 120 minutes. Cell counts were performed using the WST-1 assay at 1, 3, 5, and 7 days after initiation of HBO treatment to obtain data to plot a growth curve...
March 1, 2018: Cartilage
https://www.readbyqxmd.com/read/29571237/an-approach-to-treating-a-patient-with-a-heartmate-ii%C3%A2-left-ventricularassist-device-in-a-multiplace-hyperbaric-chamber-a-case-report
#9
D Orwig, C Logue, S Hendriksen, B Westgard, J Walter, M Pullis, T Masters
Introduction: Left-ventricular assist devices (LVAD) are becoming a common therapy for end-stage heart failure. These devicesare not tested for pressurization in a hyperbaricchamber by the manufacturer. In this article, we present an approach to modify the power supply in order to safely treat a patient with an LVAD. Materials and Methods: Our patient had a HeartMateII™ LVAD and presented for hyperbaric oxygen treatments for severe radiation cystitis. In order to modify this patient's equipment to be compliant with NFPA6 safety standards we made several modifications...
January 2018: Undersea & Hyperbaric Medicine: Journal of the Undersea and Hyperbaric Medical Society, Inc
https://www.readbyqxmd.com/read/29571232/influence-of-exposure-in-hyperbaric-chambers-on-selected-parametersof-oxidative-stress-in-professional-divers
#10
Mariusz Kozakiewicz, Kornelia Kedziora-Kornatowska, Dorota Kaczerska, Piotr Siermontowski, Romuald Olszanski, Karolina Krefft
Purpose: This study evaluated the influence of hyperbaric exposure chambers on selected parameters of oxidative stress in divers' blood. Methods: 25 healthy men (non-smoking experienced divers) ages 18-40 took part in the experiment. Subjects were exposed to hyperbaric conditions similar to those at 30 meters of depth while diving. A control group consisted of 20 healthy men who have never dived or been exposed to hyperbaric conditions. Blood was drawn from the cubital vein after overnight fasting...
January 2018: Undersea & Hyperbaric Medicine: Journal of the Undersea and Hyperbaric Medical Society, Inc
https://www.readbyqxmd.com/read/29571230/analysis-of-factors-related-to-failure-in-the-pressure-test-a-six-year-experience-in-taiwan
#11
Wei-Shih Tseng, Man-Yuan Huang, Hui-Chieh Lee, Wen-Shyan Huang, Bor-Hwang Kang
Introduction: The Republic of China Navy instituted the pressure test as one of the selection tools for diving troops and submarine crews. We analyzed factors associated with failure in the pressure test. Methods: This was a retrospective cohort study designed to investigate pressure test failure in Navy recruits between January 2010 and August 2015. The recruits received pressurization in a hyperbaric chamber to a simulated depth of 112 feet of seawater (fsw) at a rate of 25 fsw/minute...
January 2018: Undersea & Hyperbaric Medicine: Journal of the Undersea and Hyperbaric Medical Society, Inc
https://www.readbyqxmd.com/read/29571229/hyperbaric-oxygen-therapy-as-adjuvant-for-treating-wound-complications-after-extensive-resection-for-vulvar-malignancy
#12
André Lopes, Ronaldo Lúcio Rangel Costa, Gabriel Lowndes de Souza Pinto, Mariana Camargo Guimarães Forghieri, Ailma Larrè, Thais Gomes de Almeida, Carla Baltazar de Souza, Vivian Sartorelli, Francisco Ricardo Gualda Coelho, José Ribamar Branco
Introduction: Necrosis, wound breakdown, and infection represent major complications associated with radical vulvectomy. We aimed to analyze the feasibility of hyperbaric oxygen (HBO₂) therapy as an adjunctive treatment for such complications. Methods: We performed a retrospective analysis of the medical records, clinical charts, and operative records of vulvar cancer patients who underwent hyperbaric oxygen therapy after extensive surgical resection in our institute between 2012 and 2016, with a comparison of the clinical outcomes of patients with similar surgical procedures andsevere wound complications who did not undergo HBO₂...
January 2018: Undersea & Hyperbaric Medicine: Journal of the Undersea and Hyperbaric Medical Society, Inc
https://www.readbyqxmd.com/read/29571228/an-anti-barotrauma-system-for-preventing-barotrauma-during-hyperbaric-oxygen-therapy
#13
Moon Song, Se Jeon Hoon, Tae Min Shin
In the present study, a tympanometry-based anti-barotrauma (ABT) device was designed using eardrum admittance measurements to develop an objective method of preventing barotrauma that occurs during hyperbaric oxygen (HBO₂) therapy. The middle ear space requires active equalization, and barotrauma of these tissues during HBO₂therapy constitutes the most common treatment-associated injury. Decongestant nasal sprays and nasal steroids are used, but their efficacy is questionable to prevent middle ear barotrauma (MEB) during HBO₂ treatment...
January 2018: Undersea & Hyperbaric Medicine: Journal of the Undersea and Hyperbaric Medical Society, Inc
https://www.readbyqxmd.com/read/29408705/the-potential-long-term-neurological-improvement-of-early-hyperbaric-oxygen-therapy-on-hemorrhagic-stroke-in-the-diabetics
#14
Qian Xu, Shuang-Bo Fan, Yu-Lin Wan, Xian-Lan Liu, Liang Wang
AIMS: Although Hyperbaric oxygen therapy (HyperBOT) attract our attention successfully these days, it is still full of controversy on the treatment of acute stroke. The aim of this study is to assess the potential long-term neurological consequences and safety of using HyperBOT on intracerebral hemorrhage (ICH) in the diabetics. METHODS: In this prospective, randomized controlled trial, 79 diabetes patients suffering from acute ICH were randomized to treat for 60 min in a monoplace hyperbaric chamber pressurized with pure oxygen to 2...
April 2018: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/29396827/sorption-of-pentachlorophenol-pcp-in-the-marine-bottom-sediments-batch-sorption-experiment-at-varying-pressure
#15
Krzysztof Konrad Lewandowski, Witold Cieślikiewicz, Marta Ewelina Kobusińska, Elżbieta Niemirycz
Study was undertaken to determine the effect of hydrostatic pressure on the sorption of pentachlorophenol (PCP). The experiment was conducted at atmospheric pressure (1000 hPa) and at increased pressure (6000 hPa) simulating conditions at the water depth of 50 m. The sorption of PCP was examined in an artificial environment (microcosm) consisting of the marine water and the bottom sediments from a Polish harbor and the southern Baltic Sea. The first part of the experiment comprised the determination of PCP sorption parameters in the microcosms and parameters of the sediments (organic matter content, conductivity) and of the overlying water (pH, ion concentration) at 1000 hPa...
April 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29383459/alterations-in-mitochondrial-respiration-and-reactive-oxygen-species-in-patients-poisoned-with-carbon-monoxide-treated-with-hyperbaric-oxygen
#16
David H Jang, Utsha G Khatri, Brenna P Shortal, Matthew Kelly, Kevin Hardy, David S Lambert, David M Eckmann
BACKGROUND: Carbon monoxide (CO) poisoning is the leading cause of poisoning mortality and morbidity in the USA. Carboxyhemoglobin (COHb) levels are not predictive of severity or prognosis. At this time, the measurement of mitochondrial respiration may serve as a biomarker in CO poisoning. The primary objective of this study was to assess changes in mitochondrial function consisting of respiration and generation of reactive oxygen species (ROS) in peripheral blood mononuclear cells (PBMCs) obtained from patients with CO poisoning...
January 30, 2018: Intensive Care Medicine Experimental
https://www.readbyqxmd.com/read/29358697/hyperbaric-oxygen-reduces-inflammation-oxygenates-injured-muscle-and-regenerates-skeletal-muscle-via-macrophage-and-satellite-cell-activation
#17
Takuya Oyaizu, Mitsuhiro Enomoto, Naoki Yamamoto, Kunikazu Tsuji, Masaki Horie, Takeshi Muneta, Ichiro Sekiya, Atsushi Okawa, Kazuyoshi Yagishita
Hyperbaric oxygen treatment (HBO) promotes rapid recovery from soft tissue injuries. However, the healing mechanism is unclear. Here we assessed the effects of HBO on contused calf muscles in a rat skeletal muscle injury model. An experimental HBO chamber was developed and rats were treated with 100% oxygen, 2.5 atmospheres absolute for 2 h/day after injury. HBO reduced early lower limb volume and muscle wet weight in contused muscles, and promoted muscle isometric strength 7 days after injury. HBO suppressed the elevation of circulating macrophages in the acute phase and then accelerated macrophage invasion into the contused muscle...
January 22, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29286175/hyperbaric-oxygen-therapy-an-alternative-treatment-for-radiation-induced-cutaneous-ulcers
#18
Inés Fernández Canedo, Laura Padilla España, José Francisco Millán Cayetano, Juan Bosco Repiso Jiménez, Manuel Pérez Delgado, Magdalena de Troya Martín
Radiotherapy is a widely recognised treatment for non-melanoma skin cancer. We report three cases of radiation-induced skin ulcers in which hyperbaric oxygen therapy was administered in 90-min sessions, 5 days a week at 2.4 absolute atmospheres in a multiplace hyperbaric chamber. Hyperbaric oxygen therapy is an outpatient treatment that does not displace other classical treatments and may be used as an adjunct therapy.
December 29, 2017: Australasian Journal of Dermatology
https://www.readbyqxmd.com/read/29281200/uhms-announces-position-statement-on-low-pressure-soft-sided-hyperbaric-chambers
#19
(no author information available yet)
No abstract text is available yet for this article.
November 2017: Undersea & Hyperbaric Medicine: Journal of the Undersea and Hyperbaric Medical Society, Inc
https://www.readbyqxmd.com/read/29281192/dried-salted-plum-consumption-ameliorates-hyperbaric-oxygen-therapy-induced-otalgia-severity-at-the-first-chamber-session-a-prospective-randomized-controlled-study
#20
Fan-Chun Meng, Chih-Hao Shen, Di Wu, Chi-Ming Chu, Cheng-Ping Shih, Hung-Che Lin, Chung-Kan Peng, Shun Cheng Chang, Kun-Lun Huang
PURPOSE: One of the most common complications of hyperbaric oxygen (HBO₂) therapy is middle ear barotrauma (MEB), occasionally causing otalgia. The objective of this study was to evaluate the effect of dried salted plum consumption on MEB and otalgia associated with HBO₂ therapy. MATERIALS AND METHODS: Patients undergoing the first chamber session of HBO₂ therapy were included in the present prospective randomized controlled trial. The Valsalva maneuver was administered to all patients before HBO₂...
November 2017: Undersea & Hyperbaric Medicine: Journal of the Undersea and Hyperbaric Medical Society, Inc
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