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Journals Undersea & Hyperbaric Medicine...

Undersea & Hyperbaric Medicine : Journal of the Undersea and Hyperbaric Medical Society, Inc

https://read.qxmd.com/read/38615358/arterial-gas-embolism-in-breath-hold-diver
#1
JOURNAL ARTICLE
Ryan A Gall, Rahman R Rahimi
An arterial gas embolism (AGE) is a potentially fatal complication of scuba diving that is related to insufficient exhalation during ascent. During breath-hold diving, an arterial gas embolism is unlikely because the volume of gas in the lungs generally cannot exceed the volume at the beginning of the dive. However, if a diver breathes from a gas source at any time during the dive, they are at risk for an AGE or other pulmonary overinflation syndromes (POIS). In this case report, a breath-hold diver suffered a suspected AGE due to rapidly ascending without exhalation following breathing from an air pocket at approximately 40 feet...
2024: Undersea & Hyperbaric Medicine: Journal of the Undersea and Hyperbaric Medical Society, Inc
https://read.qxmd.com/read/38615357/physical-and-physiological-predictors-determining-the-maximal-static-apnea-diving-time-of-male-freedivers
#2
JOURNAL ARTICLE
Dai-Woo Lee, Hongwei Yang, Jeong-Sun Ju
This study aimed to investigate what factors determine freedivers' maximal static apnea dive time. We correlated some physical/physiological factors with male freedivers' maximum apnea diving duration. Thirty-six experienced male freedivers participated in this study. The divers participated in two days of the experiments. On the first day, apnea diving time, blood oxygen saturation (SpO2 ), heart rate (HR), blood pressure (BP), stress index, and blood parameters were measured before, during, and after the apnea diving in the pool...
2024: Undersea & Hyperbaric Medicine: Journal of the Undersea and Hyperbaric Medical Society, Inc
https://read.qxmd.com/read/38615356/in-field-use-of-i-ved-electrical-impedance-sensor-for-assessing-post-dive-decompression-stress-in-humans
#3
JOURNAL ARTICLE
Sotiris P Evgenidis, Konstantinos Zacharias, Virginie Papadopoulou, Sigrid Theunissen, Costantino Balestra, Thodoris D Karapantsios
PURPOSE: Ultrasound imaging is commonly used in decompression research to assess venous gas emboli (VGE) post-dive, with higher loads associated with increased decompression sickness risk. This work examines, for the first time in humans, the performance of a novel electrical impedance spectroscopy technology (I-VED), on possible detection of post-dive bubbles presence and arterial endothelial dysfunction that may be used as markers of decompression stress. METHODS: I-VED signals were recorded in scuba divers who performed standardized pool dives before and at set time points after their dives at 35-minute intervals for about two hours...
2024: Undersea & Hyperbaric Medicine: Journal of the Undersea and Hyperbaric Medical Society, Inc
https://read.qxmd.com/read/38615355/relation-between-resting-spleen-volume-and-apnea-induced-increases-in-hemoglobin-mass
#4
JOURNAL ARTICLE
Jason M Keeler, Hayden W Hess, Erica Tourula, Robert F Chapman, Blair D Johnson, Zachary J Schlader
INTRODUCTION: Indigenous populations renowned for apneic diving have comparatively large spleen volumes. It has been proposed that a larger spleen translates to heightened apnea-induced splenic contraction and elevations in circulating hemoglobin mass (Hbmass ), which, in theory, improves O2 carrying and/or CO2 /pH buffering capacities. However, the relation between resting spleen volume and apnea- induced increases in Hbmass is unknown. Therefore, we tested the hypothesis that resting spleen volume is positively related to apnea-induced increases in total Hbmass ...
2024: Undersea & Hyperbaric Medicine: Journal of the Undersea and Hyperbaric Medical Society, Inc
https://read.qxmd.com/read/38615354/chondronecrosis-of-the-cricoid-treated-with-hyperbaric-oxygen-therapy-a-case-series
#5
JOURNAL ARTICLE
John David Spencer, Tyler Connely, Jeffrey Cooper, Jayme Rose Dowdall
We present two cases of cricoid chondronecrosis treated with hyperbaric oxygen (HBO2 ) therapy. Both patients presented with biphasic stridor and dyspnea several weeks after an intubation event. Tracheostomy was ultimately performed for airway protection, followed by antibiotic treatment and outpatient HBO2 therapy. Both patients were decannulated within six months of presentation and after at least 20 HBO2 therapy sessions. Despite a small sample size, our findings are consistent with data supporting HBO2 therapy's effects on tissue edema, neovascularization, and HBO2 potentiation of antibiotic treatment and leukocyte function...
2024: Undersea & Hyperbaric Medicine: Journal of the Undersea and Hyperbaric Medical Society, Inc
https://read.qxmd.com/read/38615353/barodontalgia-during-hyperbaric-oxygen-therapy-of-an-8-year-old-male-a-case-report
#6
JOURNAL ARTICLE
Melisa Öçbe, Selin Gamze Sümen, Büşra Dilara Altun, Asim Dumlu
Barodontalgia, barometric pressure-induced dental pain, may occur during hyperbaric oxygen(HBO2 ) therapy due to pressure changes. This case report presents an 8-year-old male patient with barodontalgia. The patient declared a severe toothache during HBO2 therapy. The diving medicine specialist referred the patient to the dental clinician immediately. On clinical examination, the pain was thought to be caused by caries lesions of the deciduous teeth in the left maxillary molar region. Tooth extraction was suggested...
2024: Undersea & Hyperbaric Medicine: Journal of the Undersea and Hyperbaric Medical Society, Inc
https://read.qxmd.com/read/38615352/decompression-sickness-followed-by-diabetic-ketoacidosis-and-sepsis-shock-an-unusual-case-report
#7
JOURNAL ARTICLE
Anwei Liu, Xiaogan Hou, Jing Nie, Qiang Wen, Zhiguo Pan
Decompression sickness (DCS) is caused by abrupt changes in extracorporeal pressure with varying severity. Symptoms range from mild musculoskeletal pain to severe organ dysfunction and death, especially among patients with chronic underlying disease. Here, we report an unusual case of a 49-year-old man who experienced DCS after a dive to a depth of 38 meters. The patient's symptoms progressed, starting with mild physical discomfort that progressed to disturbance of consciousness on the second morning. During hospitalization, we identified that in addition to DCS, he had also developed diabetic ketoacidosis, septic shock, and rhabdomyolysis...
2024: Undersea & Hyperbaric Medicine: Journal of the Undersea and Hyperbaric Medical Society, Inc
https://read.qxmd.com/read/38615351/surviving-cardiac-arrest-after-carbon-monoxide-poisoning-treated-with-hyperbaric-oxygen-therapy
#8
JOURNAL ARTICLE
Vladimir Bronshteyn, Stephen M Hendriksen, Samantha J Lee, Christopher Logue
Carbon monoxide (CO) and cyanide poisoning are frequent causes of morbidity and mortality in cases of house and industrial fires. The 14th edition of guidelines from the Undersea and Hyperbaric Medical Society does not recommend hyperbaric oxygen (HBO2 ) treatment in those patients who have suffered a cardiac arrest and had to receive cardiopulmonary resuscitation. In this paper, we describe the case of a 31-year-old patient who received HBO2 treatment in the setting of cardiac arrest and survived.
2024: Undersea & Hyperbaric Medicine: Journal of the Undersea and Hyperbaric Medical Society, Inc
https://read.qxmd.com/read/38615350/pneumothorax-during-manned-chamber-operations-a-summary-of-reported-cases
#9
JOURNAL ARTICLE
Richard E Clarke, Keith Van Meter
In-chamber pneumothorax has complicated medically remote professional diving operations, submarine escape training, management of decompression illness, and hospital-based provision of hyperbaric oxygen therapy. Attempts to avoid thoracotomy by combination of high oxygen partial pressure breathing (the concept of inherent unsaturation) and greatly slowed rates of chamber decompression proved successful on several occasions. When this delicate balance designed to prevent the intrapleural gas volume from expanding faster than it contracts proved futile, chest drains were inserted...
2024: Undersea & Hyperbaric Medicine: Journal of the Undersea and Hyperbaric Medical Society, Inc
https://read.qxmd.com/read/38615349/medical-and-surgical-management-of-pneumothorax-in-diving-and-hyperbaric-chambers
#10
REVIEW
Richard E Clarke, Keith Van Meter
The presence of a pneumothorax within a pressurized chamber represents unique diagnostic and management challenges. This is particularly the case in the medical and geographic remoteness of many chamber locations. Upon commencing chamber decompression, unvented intrapleural air expands. If its initial volume and/or degree of chamber pressure reduction is significant enough, a tension pneumothorax will result. Numerous reports chronicle failure to diagnose and manage in-chamber pneumothorax with resultant morbidity and one fatal outcome...
2024: Undersea & Hyperbaric Medicine: Journal of the Undersea and Hyperbaric Medical Society, Inc
https://read.qxmd.com/read/38615348/outcomes-after-pancreaticoduodenectomy-with-or-without-preoperative-hyperbaric-oxygen-therapy
#11
JOURNAL ARTICLE
Harel Jacoby, Enrico M Camporesi, Sharona B Ross, Iswanto Sucandy, Gerardo Bosco, Cameron Syblis, Kaitlyn Crespo, Alexander Rosemurgy
BACKGROUND: Hyperbaric oxygen (HBO2 ) therapy is an alternative method against the deleterious effects of ischemic/reperfusion (I/R) injury and its inflammatory response. This study assessed the effect of preoperative HBO2 on patients undergoing pancreaticoduodenectomy. STUDY DESIGN: Patients were randomized via a computer-generated algorithm. Patients in the HBO2 cohort received two sessions of HBO2 the evening before and the morning of surgery. Measurements of inflammatory mediators and self-assessed pain scales were determined pre-and postoperatively...
2024: Undersea & Hyperbaric Medicine: Journal of the Undersea and Hyperbaric Medical Society, Inc
https://read.qxmd.com/read/38615347/transcutaneous-oximetry-values-in-chronic-ulcer-patients-during-hyperbaric-treatment-at-1-4-ata-compared-to-2-ata
#12
JOURNAL ARTICLE
Ram A Sack, Yoav Yechezkel Pikkel, Ortal Leitner Shemy, Yitzhak Ramon, Yehuda Ullmann, Assaf A Zeltzer
Chronic wounds have a significant impact on a patient's quality of life. Different pathologies, such as poor blood supply and tissue breakdown, may lead to inadequate oxygenation of the wound. Hyperbaric oxygen (HBO2 ) is a widely used treatment for an increasing number of medical practices. A new so-called "hyperbaric treatment" trend has emerged. The use of low-pressure, soft-sided, or inflatable chambers represents a growing trend in hyperbaric medicine. Used in professional settings as well as directly marketed to individuals for home use, they are promoted as equivalent to clinical hyperbaric treatments provided in medical centers...
2024: Undersea & Hyperbaric Medicine: Journal of the Undersea and Hyperbaric Medical Society, Inc
https://read.qxmd.com/read/38055885/hyperbaric-oxygen-therapy-for-treatment-of-covid-19-related-parosmia-a-case-report
#13
JOURNAL ARTICLE
Lior Krimus, Syed Hasan Rizvi, Anton Marinov, Hance Clarke, Rita Katznelson
Parosmia is a qualitative olfactory dysfunction characterized by distortion of odor perception. Traditional treatments for parosmia include olfactory training and steroids. Some patients infected with COVID-19 have developed chronic parosmia as a result of their infection. Here, we present the case of a patient who developed parosmia after a COVID-19 infection that was not improved by traditional treatments but found significant improvement after hyperbaric oxygen therapy[A1].
2023: Undersea & Hyperbaric Medicine: Journal of the Undersea and Hyperbaric Medical Society, Inc
https://read.qxmd.com/read/38055884/analysis-of-the-cardiovascular-effects-of-hyperbaric-oxygen-therapy-in-diabetic-patients
#14
JOURNAL ARTICLE
Kubra Canarslan-Demir, Kubra Ozgok-Kangal, Ayse Saatci-Yasar, Mehmet Akif Erdol, Bayram Koc
During hyperbaric oxygen (HBO2) therapy in humans, there are changes in cardiovascular physiology due to high pressure and hyperoxygenation. Peripheral vasoconstriction, bradycardia, and a decrease in cardiac output are observed during HBO2 therapy. These physiological effects of HBO2 therapy on the cardiovascular system are tolerated in healthy people. However, patients with underlying cardiac disease may experience severe problems during HBO2 therapy, such as pulmonary edema and death. In addition, cardiac complications may occur in patients with diabetes mellitus (DM)...
2023: Undersea & Hyperbaric Medicine: Journal of the Undersea and Hyperbaric Medical Society, Inc
https://read.qxmd.com/read/38055883/treatment-of-pediatric-cerebral-radiation-necrosis-using-hyperbaric-oxygenation
#15
JOURNAL ARTICLE
Kelly Johnson-Arbor
INTRODUCTION: Cerebral radiation necrosis is rarely encountered in pediatric patients. This case report describes a child with cerebral radiation necrosis who was successfully treated using corticosteroids, bevacizumab, and hyperbaric oxygenation. CASE REPORT: A 3-year-old boy developed progressive extremity weakness six months after the completion of radiation therapy for the treatment of a neuroepithelial malignancy. Treatment with corticosteroids and bevacizumab was initiated, but his symptoms did not improve, and he was then referred for hyperbaric oxygen therapy...
2023: Undersea & Hyperbaric Medicine: Journal of the Undersea and Hyperbaric Medical Society, Inc
https://read.qxmd.com/read/38055882/efficacy-of-hyperbaric-oxygen-after-microtia-reconstruction-using-costal-cartilage-a-retrospective-case-control-study
#16
JOURNAL ARTICLE
Naoki Murao, Akihiko Oyama, Yuhei Yamamoto, Emi Funayama, Kosuke Ishikawa, Taku Maeda
INTRODUCTION: Microtia reconstruction with autologous costal cartilage framework grafting is challenging because the three-dimensional structure of the ear is highly complex, and meeting the high aesthetic demands of patients can be difficult. If the skin flap overlying the framework is thinned to achieve a smooth and accentuated outline, a poor blood supply in the thin skin flap may lead to skin necrosis, exposure of the framework, and poor surgical results. Hyperbaric oxygen (HBO2) therapy can promote the healing of complex wounds and flaps...
2023: Undersea & Hyperbaric Medicine: Journal of the Undersea and Hyperbaric Medical Society, Inc
https://read.qxmd.com/read/38055881/hyperbaric-hydrogen-therapy-improves-secondary-brain-injury-after-head-trauma
#17
JOURNAL ARTICLE
Yohei Otsuka, Satoshi Tomura, Terushige Toyooka, Satoru Takeuchi, Arata Tomiyama, Tomoko Omura, Daizoh Saito, Kojiro Wada
BACKGROUND: The pathophysiology of traumatic brain injury (TBI) is caused by the initial physical damage and by the subsequent biochemical damage (secondary brain injury). Oxidative stress is deeply involved in secondary brain injury, so molecular hydrogen therapy may be effective for TBI. Hydrogen gas shows the optimal effect at concentrations of 2% or higher, but can only be used up to 1.3% in the form of a gas cylinder mixed with oxygen gas, which may not be sufficiently effective...
2023: Undersea & Hyperbaric Medicine: Journal of the Undersea and Hyperbaric Medical Society, Inc
https://read.qxmd.com/read/38055880/memory-surfacing-among-veterans-with-ptsd-receiving-hyperbaric-oxygen-therapy
#18
JOURNAL ARTICLE
Keren Doenyas-Barak, Ilan Kutz, Erez Lang, Gabriela Levi, Shai Efrati
INTRODUCTION: Growing evidence demonstrates that hyperbaric oxygen therapy (HBO2) induces neuroplasticity and can benefit individuals with post-traumatic stress disorder (PTSD). The aim of the current study was to evaluate the rate and pattern of memory surfacing during the course of HBO2 among veterans with combat-related PTSD. METHODS: In a post-hoc analysis of a prospective study of the effect of HBO2 on PTSD symptoms in veterans, we evaluated the rate and character of memory surfacing during the course of HBO2 treatment...
2023: Undersea & Hyperbaric Medicine: Journal of the Undersea and Hyperbaric Medical Society, Inc
https://read.qxmd.com/read/38055879/altitude-diving-on-a-closed-circuit-oxygen-rebreather
#19
JOURNAL ARTICLE
Jonathan Conard
Closed-circuit rebreather diving is becoming more common. Rebreathers are complicated, adding to the stress of diving. Also adding to this complexity in the presented case is diving at a high-altitude, cold-water reservoir in Colorado. One diver experienced an oxygen-induced seizure at depth. The other diver had a rapid ascent with loss of consciousness. In this case, two experienced divers recovered from a possible devastating dive. Fortunately, they both returned to their pre-dive baseline health. Dive plan- ning is important, but as in this case, dive execution is paramount...
2023: Undersea & Hyperbaric Medicine: Journal of the Undersea and Hyperbaric Medical Society, Inc
https://read.qxmd.com/read/38055878/hyperbaric-treatment-deviations-for-u-s-navy-divers-spinal-dcs
#20
JOURNAL ARTICLE
John DeMis, Brian Michael Keuski, April Due
INTRODUCTION: The United States Navy (USN) developed and refined standardized oxygen treatment tables for diving injuries, but USN tables may not address all situations of spinal decompression sickness (DCS). We describe a detailed recompression treatment regimen that deviated from standard USN protocol for an active-duty USN diver with a severe, delayed presentation of spinal cord DCS. CASE REPORT: A USN diver surfaced from his second of three dives on a standard Navy 'no-Decompression' Air SCUBA dive (Max depth 101 fsw utilizing a Navy Dive Computer) and developed mid-thoracic back pain, intense nausea, paresthesias of bilateral feet, and penile erection...
2023: Undersea & Hyperbaric Medicine: Journal of the Undersea and Hyperbaric Medical Society, Inc
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