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Diving and Hyperbaric Medicine: the Journal of the South Pacific Underwater Medicine Society

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https://www.readbyqxmd.com/read/30199893/fatty-diet-active-hydrophobic-spots-and-decompression-sickness
#1
LETTER
Ran Arieli
In a study of the effect of a fatty diet on decompression bubbles, based on the responses to a questionnaire regarding daily food consumption, the approximate fat intake for each diver was calculated, taking into account the maximum recommended intake for a person doing his type of work. Following hyperbaric exposure, divers were divided into two groups: 'bubblers' (a minimum of the second level on the Kisman-Masurel scale) and 'non-bubblers'. Bubblers had higher fat consumption than non-bubblers (146 ± 39% versus 92 ± 18%)...
September 30, 2018: Diving and Hyperbaric Medicine: the Journal of the South Pacific Underwater Medicine Society
https://www.readbyqxmd.com/read/30199892/a-recurrent-ischaemic-ileocolonic-anastomosis-ulcer-refractory-to-surgery-treated-with-hyperbaric-oxygen
#2
Puraskar Pateria, Andre Chong
A 54-year-old male had undergone right hemicolectomy and ileo-colonic anastomosis for carcinoma-in-situ found at colonoscopy. Eighteen months later, he presented with a lower gastrointestinal bleed from an anastomotic ulcer, treated with resection of the anastomotic site and ileo-sigmoid anastomosis. In the ensuing 12 months, he had three episodes of haematochezia. Colonoscopy revealed a 12 mm anastomotic ulcer necessitating a further colonic resection and re-anastomosis. Two-years later, he presented with iron deficiency anaemia...
September 30, 2018: Diving and Hyperbaric Medicine: the Journal of the South Pacific Underwater Medicine Society
https://www.readbyqxmd.com/read/30199891/inner-ear-barotrauma-in-divers-an-evidence-based-tool-for-evaluation-and-treatment
#3
REVIEW
Stefan W Rozycki, Matthew J Brown, Macario Camacho
OBJECTIVE: To systematically search the literature for studies evaluating the typical presentation and testing that is performed for divers with inner ear symptoms and then to create a tool for clinicians when evaluating a diver with inner ear symptoms. METHODS: Nine databases, including PubMed/MEDLINE were systematically searched through 31 January 2018. The PRISMA statement was followed. RESULTS: Three-hundred and two manuscripts were screened, 69 were downloaded and 21 met criteria to be included in this review...
September 30, 2018: Diving and Hyperbaric Medicine: the Journal of the South Pacific Underwater Medicine Society
https://www.readbyqxmd.com/read/30199890/meta-analysis-on-the-effect-of-hyperbaric-oxygen-as-adjunctive-therapy-in-the-outcome-of-anastomotic-healing-of-experimental-colorectal-resections-in-rats
#4
Robin J Brouwer, Alexander C Engberts, Boudewijn Ls Borger van der Burg, Thijs Tcf van Dongen, Rob A van Hulst, Rigo Hoencamp
BACKGROUND: Colorectal cancer is the third most common form of cancer and colorectal surgery is the treatment of choice in local disease. Anastomotic leakage following colorectal surgery is a major complication with a high incidence and mortality. Adjuvant hyperbaric oxygen treatment (HBOT) may be associated with reduction of anastomotic leakage. A systematic review was conducted regarding HBOT as an adjunctive therapy to colorectal surgery. METHODS: Systematic review (1900-2017) using PubMed, Cochrane, EMBASE, Web of Science and EMCARE...
September 30, 2018: Diving and Hyperbaric Medicine: the Journal of the South Pacific Underwater Medicine Society
https://www.readbyqxmd.com/read/30199889/impact-of-various-pressures-on-fracture-resistance-and-microleakage-of-amalgam-and-composite-restorations
#5
Elnaz Shafigh, Reza Fekrazad, Amir Reza Beglou
BACKGROUND: Pressure changes can influence dental restorations especially among divers. The aim of the current study was to evaluate the fracture resistance and microleakage of mesio-occluso-distal (MOD) amalgam and composite restorations undergoing pressure changes via diving and aviation simulation. METHODS: For the fracture resistance test, 60 sound maxillary premolar teeth were randomly allocated to two groups. Each group was then divided into three subgroups (n = 10) for simulating scuba-diving (pressure cycle to 203 kPa, 2 bar), flight (50...
September 30, 2018: Diving and Hyperbaric Medicine: the Journal of the South Pacific Underwater Medicine Society
https://www.readbyqxmd.com/read/30199888/provisional-report-on-diving-related-fatalities-in-australian-waters-in-2012
#6
John Lippmann, Chris Lawrence, Andrew Fock, Scott Jamieson
INTRODUCTION: An individual case review of known diving-related deaths that occurred in Australia in 2012 was conducted. METHOD: The case studies were compiled using statements from witnesses and reports of the police and coroners. In each case, the particular circumstances of the accident and details from the post-mortem examination, where available, are provided. RESULTS: There were 26 reported fatalities (four less than the previous year)...
September 30, 2018: Diving and Hyperbaric Medicine: the Journal of the South Pacific Underwater Medicine Society
https://www.readbyqxmd.com/read/30199887/reliability-of-venous-gas-embolism-detection-in-the-subclavian-area-for-decompression-stress-assessment-following-scuba-diving
#7
Julien Hugon, Asya Metelkina, Axel Barbaud, Ron Nishi, Fethi Bouak, Jean-Eric Blatteau, Emmanuel Gempp
INTRODUCTION: Ultrasonic detection of venous gas emboli (VGE) in the precordial (PRE) region is commonly used in evaluation of decompression stress. While subclavian (SC) VGE detection can also be used to augment and improve the evaluation, no study has rigorously compared VGE grades from both sites as decompression stress indicators. METHODS: This retrospective study examined 1,016 man-dives breathing air extracted from the Defence Research and Development Canada dataset...
September 30, 2018: Diving and Hyperbaric Medicine: the Journal of the South Pacific Underwater Medicine Society
https://www.readbyqxmd.com/read/30199886/decompression-sickness-fatness-and-active-hydrophobic-spots
#8
EDITORIAL
Pieter Jan Am van Ooij
Since decompression sickness (DCS) in humans was first described, mankind has embarked on an odyssey to prevent it. The demonstration that decompression releases bubbles, which mainly contain inert gas (nitrogen, helium), into the circulation and that the slower the decompression rate the lesser the incidence of DCS, resulted in 1908 in the publication of the first, reasonably safe diving tables. Besides the development of proper diving tables, the selection of divers is also of importance. A relationship between body composition and DCS was observed in dogs as long ago as the nineteenth century, an observation supported early in the twentieth century: "Really fat men should never be allowed to work in compressed air, and plump men should be excluded from high pressure caissons…or in diving to more than about 10 fathoms, and at this depth the time of their exposure should be curtailed...
September 30, 2018: Diving and Hyperbaric Medicine: the Journal of the South Pacific Underwater Medicine Society
https://www.readbyqxmd.com/read/29888387/evidence-brief-hyperbaric-oxygen-therapy-hbot-for-traumatic-brain-injury-and-or-post-traumatic-stress-disorder
#9
EDITORIAL
Michael H Bennett
This report is a product of the VA Evidence-based Synthesis Program. The purpose is to provide "timely and accurate syntheses of targeted healthcare topics …. to improve the health and healthcare of Veterans". The authors have made a comprehensive search and analysis of the literature and make recommendations to assist clinicians in dealing with veterans suffering from either traumatic brain injury (TBI) or post-traumatic stress disorder (PTSD). The report is timely and of great potential impact given the vigorous and lengthy debate among hyperbaric physicians and lay people determined to find an answer for the large numbers of veterans deeply affected with some combination of PTSD and post-concussion dysfunction...
June 30, 2018: Diving and Hyperbaric Medicine: the Journal of the South Pacific Underwater Medicine Society
https://www.readbyqxmd.com/read/29888386/do-skin-rash-and-cutis-marmorata-stem-from-lamellar-bodies-within-the-skin
#10
LETTER
Ran Arieli
Cutis marmorata (CM) manifests as bluish-red spots on the skin following decompression. These are often itchy or painful to touch, and appear half to one hour after surfacing. The pathogenesis of skin lesions in decompression illness (DCI) remains unresolved. The common belief has been that bubbles that shunted to the arterial circulation reached the skin and clogged blood vessels. An alternative explanation from studies in which air was injected into the internal carotid artery of swine is that arterial bubbles at the brain stem disturb the control of skin blood flow, causing CM...
June 30, 2018: Diving and Hyperbaric Medicine: the Journal of the South Pacific Underwater Medicine Society
https://www.readbyqxmd.com/read/29888385/acute-ophthalmic-artery-occlusion-in-decompression-illness-with-underlying-anterior-cerebral-artery-a1-segment-hypoplasia
#11
Ahmad Razif Omar, Mohtar Ibrahim, Adil Hussein
A diver presented with total loss of vision in the left eye and right hemiparesis following a routine no-stop scuba dive to 20 metres' depth. A diagnosis of decompression illness (DCI) with acute ophthalmic artery air embolism and left carotid artery insult causing acute anterior circulatory ischaemia was made. He underwent seven hyperbaric treatments leading to a full recovery. Magnetic resonance angiography revealed an underlying left anterior cerebral artery A1 segment hypoplasia. Making a prompt diagnosis and early hyperbaric oxygen treatment are crucial to halt further tissue damage from ischaemia in central nervous system DCI...
June 30, 2018: Diving and Hyperbaric Medicine: the Journal of the South Pacific Underwater Medicine Society
https://www.readbyqxmd.com/read/29888384/problems-with-an-intrathecal-pump-in-a-paraplegic-scuba-diver
#12
Brahim Hacene, Nathalie Draulans, Tom Theys
Scuba diving with an intrathecal baclofen pump is encouraged for people with spinal cord injury who are suffering from spasticity. However, the diving depth is limited to 10 metres in this context. Proper physician and patient education in this respect is mandatory since non-compliance can lead to an irreversible loss of drug reservoir capacity due to collapse of the bottom shield. We report such an incident in a paraplegic diver diving to depths down to 30 metres' water.
June 30, 2018: Diving and Hyperbaric Medicine: the Journal of the South Pacific Underwater Medicine Society
https://www.readbyqxmd.com/read/29888383/repeated-hyperbaric-exposure-and-glass-ampoule-safety
#13
Soon Yee Teoh, Venkat Narasimham Vangaveti
INTRODUCTION: It has been our institution's policy to not place glass medication ampoules inside our hyperbaric chamber for fear of rupture. There is only a small and conflicting amount of data as to whether glass ampoules are safe for use under hyperbaric conditions. OBJECTIVES: The primary objective of this study was to test the safety and usability of glass medication ampoules inside a hyperbaric chamber. METHODS: Repetitive, rapidly staged compressions and decompressions were performed on multiple different glass medications ampoules inside the medical lock of a medical hyperbaric chamber...
June 30, 2018: Diving and Hyperbaric Medicine: the Journal of the South Pacific Underwater Medicine Society
https://www.readbyqxmd.com/read/29888382/performance-of-the-oxylog%C3%A2-1000-portable-ventilator-in-a-hyperbaric-environment
#14
Lie Sui An, Loy Shun Ting, Lee Cheng Chuan, Kim Soo Joang, Soh Chai Rick
INTRODUCTION: The management of mechanically ventilated patients in the hyperbaric environment requires knowledge of how the physical properties of gases change under pressure and how this affects the operation of the ventilator. The primary objective of this study was to test the performance of the Dräger Oxylog 1000® ventilator in a hyperbaric environment. METHODS: Each of two ventilators was connected to a mechanical test lung system with an in-built pressure gauge...
June 30, 2018: Diving and Hyperbaric Medicine: the Journal of the South Pacific Underwater Medicine Society
https://www.readbyqxmd.com/read/29888381/storage-of-partly-used-closed-circuit-rebreather-carbon-dioxide-absorbent-canisters
#15
Neal W Pollock, Nicholas Gant, David Harvey, Peter Mesley, Jason Hart, Simon J Mitchell
INTRODUCTION: Diving rebreathers use "scrubber" canisters containing soda lime to remove carbon dioxide (CO2 ) from the expired gas. Soda lime has a finite ability to absorb CO2 . We undertook an experiment to determine whether the manner of storage of a partly used scrubber affected subsequent CO2 absorption. METHODS: An Evolution Plus™ rebreather was mechanically ventilated in a benchtop circuit. Respiratory minute volume was 45 L·min-1 and CO2 was introduced to the expiratory limb at 2 L·min-1 ...
June 30, 2018: Diving and Hyperbaric Medicine: the Journal of the South Pacific Underwater Medicine Society
https://www.readbyqxmd.com/read/29888380/in-water-recompression
#16
REVIEW
David J Doolette, Simon J Mitchell
Divers suspected of suffering decompression illness (DCI) in locations remote from a recompression chamber are sometimes treated with in-water recompression (IWR). There are no data that establish the benefits of IWR compared to conventional first aid with surface oxygen and transport to the nearest chamber. However, the theoretical benefit of IWR is that it can be initiated with a very short delay to recompression after onset of manifestations of DCI. Retrospective analyses of the effect on outcome of increasing delay generally do not capture this very short delay achievable with IWR...
June 30, 2018: Diving and Hyperbaric Medicine: the Journal of the South Pacific Underwater Medicine Society
https://www.readbyqxmd.com/read/29888379/rhinologic-and-oral-maxillofacial-complications-from-scuba-diving-a-systematic-review-with-recommendations
#17
REVIEW
Devon M Livingstone, Beth Lange
Rhinologic and oral maxillofacial complications from scuba diving are common, representing approximately 35% of head and neck pathology related to diving. We performed a systematic and comprehensive literature review on the pathophysiology, diagnosis, and treatment of rhinologic and oral maxillofacial pathology related to diving. This included complications due to sinus barotrauma, barodontalgia, odontocrexis, temporomandibular joint dysfunction, partially dentulous patients, and considerations for patients following major head and neck surgery...
June 30, 2018: Diving and Hyperbaric Medicine: the Journal of the South Pacific Underwater Medicine Society
https://www.readbyqxmd.com/read/29888378/audit-of-practice-in-australasian-hyperbaric-units-on-the-incidence-of-central-nervous-system-oxygen-toxicity
#18
Susannah Sherlock, Mandy Way, Alexis Tabah
INTRODUCTION: Central nervous system oxygen toxicity (CNS-OT) is an uncommon complication of hyperbaric oxygen treatment (HBOT). Different facilities have developed local protocols in an attempt to reduce the risk of CNS-OT. This audit was performed to elucidate which protocols might be of benefit in mitigating CNS-OT and to open discussion on adopting a common protocol for Treatment Table 14 (TT14) to enable future multicentre clinical trials. METHODS: Audit of CNS-OT events between units using different compression profiles for TT14, performed at 243 kPa with variable durations of oxygen breathing and 'air breaks', to assess whether there is a statistical diference between protocols...
June 30, 2018: Diving and Hyperbaric Medicine: the Journal of the South Pacific Underwater Medicine Society
https://www.readbyqxmd.com/read/29888377/the-future-of-diving-research-in-norway
#19
EDITORIAL
Andreas Møllerløkken
Norway has a long tradition of quality research within the field of baromedicine. With the discovery of oil in the North Sea, it became important to establish scientific research facilities to overcome immediate challenges, but also to work towards long-term goals. For the diving community, an understanding of the pathophysiology of decompression sickness (DCS) has been one of the major forces to maintain focus on the importance of scientific research in this field. In addition to oil, the aquaculture and fish farming industries are increasing in size and are Norway's second biggest export industry today...
June 30, 2018: Diving and Hyperbaric Medicine: the Journal of the South Pacific Underwater Medicine Society
https://www.readbyqxmd.com/read/29557102/pre-hospital-management-of-decompression-illness-expert-review-of-key-principles-and-controversies
#20
Simon J Mitchell, Michael H Bennett, Phillip Bryson, Frank K Butler, David J Doolette, James R Holm, Jacek Kot, Pierre Lafère
Guidelines for the pre-hospital management of decompression illness (DCI) had not been formally revised since the 2004 Divers Alert Network/Undersea and Hyperbaric Medical Society workshop held in Sydney, entitled "Management of mild or marginal decompression illness in remote locations". A contemporary review was initiated by the Diver's Alert Network and undertaken by a multinational committee with members from Australasia, the USA and Europe. The process began with literature reviews by designated committee members on: the diagnosis of DCI; first aid strategies for DCI; remote triage of possible DCI victims by diving medicine experts; evacuation of DCI victims; effect of delay to recompression in DCI; pitfalls in management when DCI victims present at hospitals without diving medicine expertise and in-water recompression...
March 31, 2018: Diving and Hyperbaric Medicine: the Journal of the South Pacific Underwater Medicine Society
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