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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/28868603/proliferative-retinopathy-during-hyperbaric-oxygen-treatment
#1
LETTER
Viet Tran, David Smart
A 43-year-old male with type 2 diabetes mellitus, treated with insulin for 28 years and with an HbA1c of 7.9% six months prior, suffered from bilateral plantar ulcers refractory to specialised wound care. He underwent a planned 40 sessions of hyperbaric oxygen treatment (HBOT) at 243 kPa for 90 minutes. Consent was given for this report. The patient's ophthalmic history included bilateral proliferative diabetic retinopathy (PDR) identified on routine diabetic eye screening three years previously. This was treated with pan-retinal photocoagulation (PRP)...
September 2017: Diving and Hyperbaric Medicine: the Journal of the South Pacific Underwater Medicine Society
https://www.readbyqxmd.com/read/28868602/ruptured-tympanic-membrane-from-underwater-impact-with-an-atlantic-salmon-salmo-salar
#2
David Smart
An unusual case of tympanic membrane rupture in a diver due to impact from an Atlantic salmon, Salmo salar is described. The diver was treated conservatively and the injury fully healed by eight weeks after which the diver successfully returned to diving. The author contends that the appearances of such traumatic perforations differ from barotrauma in divers secondary to ear clearing problems on descent.
September 2017: Diving and Hyperbaric Medicine: the Journal of the South Pacific Underwater Medicine Society
https://www.readbyqxmd.com/read/28868601/periorbital-emphysema-after-a-wet-chamber-dive
#3
Wei-Shih Tseng, Hui-Chieh Lee, Bor-Hwang Kang
Although periorbital emphysema (PE) is commonly associated with orbital fractures, it may develop without any fracture or significant trauma in circumstances such as post-surgery, infection, forceful nose blowing, sneezing, and weight lifting. We report on a healthy military diver who developed PE following a wet chamber dive. A diagnosis of PE secondary to sinus barotrauma was reached. He was treated conservatively without medication and his symptoms recovered completely within 10 days. To the best of our knowledge, only five cases of diving-related PE have been reported in the literature...
September 2017: Diving and Hyperbaric Medicine: the Journal of the South Pacific Underwater Medicine Society
https://www.readbyqxmd.com/read/28868600/a-pleural-vacuum-relief-device-for-pleural-drain-unit-use-in-the-hyperbaric-environment
#4
Marco Gelsomino, Theo Tsouras, Ian Millar, Andrew Fock
INTRODUCTION: When a standard water-seal pleural drain unit (PDU) is used under hyperbaric conditions there are scenarios where excessive negative intrapleural pressure (IPP) and/or fluid reflux can be induced, risking significant morbidity. We developed and tested a pleural vacuum relief (PVR) device which automatically manages these risks, whilst allowing more rapid hyperbaric pressure change rates. METHODS: The custom-made PVR device consists of a one-way pressure relief valve connected in line with a sterile micro filter selected for its specific flow capacity...
September 2017: Diving and Hyperbaric Medicine: the Journal of the South Pacific Underwater Medicine Society
https://www.readbyqxmd.com/read/28868599/diving-with-pre-existing-medical-conditions
#5
John Lippmann, David McD Taylor, Christopher Stevenson, Jo Williams, Simon J Mitchell
INTRODUCTION: This is the second report based on a survey of Divers Alert Network Asia-Pacific (DAN AP) members who dive with cardiovascular and respiratory conditions and diabetes. It examines the medical management of the divers' conditions, any diving modifications used to mitigate the risk and outcomes. METHODOLOGY: An online cross-sectional survey was sent to 833 divers who had declared a targeted medical condition when applying for DAN AP membership between July 2009 and August 2013...
September 2017: Diving and Hyperbaric Medicine: the Journal of the South Pacific Underwater Medicine Society
https://www.readbyqxmd.com/read/28868598/turkish-recreational-divers-a-comparative-study-of-their-demographics-diving-habits-health-and-attitudes-towards-safety
#6
Bengusu Mirasoglu, Samil Aktas
INTRODUCTION: In Turkey, scuba diving has become more popular and accessible in the past decade and there has been a commensurate rise in the number of certified divers. This new generation of recreational divers has not been described in detail previously. The aim of this study was to profile this group, while investigating any gender differences and making comparisons with the global diving community. METHODS: Turkish dive club members and diving forum⁄blog readers were invited to complete an online questionnaire investigating their demography, medical issues and diving history and habits...
September 2017: Diving and Hyperbaric Medicine: the Journal of the South Pacific Underwater Medicine Society
https://www.readbyqxmd.com/read/28868597/decompressing-recompression-chamber-attendants-during-australian-submarine-rescue-operations
#7
Michael P Reid, Andrew Fock, David J Doolette
INTRODUCTION: Inside chamber attendants rescuing survivors from a pressurised, distressed submarine may themselves accumulate a decompression obligation which may exceed the limits of Defense and Civil Institute of Environmental Medicine tables presently used by the Royal Australian Navy. This study assessed the probability of decompression sickness (PDCS) for medical attendants supervising survivors undergoing oxygen-accelerated saturation decompression according to the National Oceanic and Atmospheric Administration (NOAA) 17...
September 2017: Diving and Hyperbaric Medicine: the Journal of the South Pacific Underwater Medicine Society
https://www.readbyqxmd.com/read/28868596/decompressing-rescue-personnel-during-australian-submarine-rescue-operations
#8
Michael P Reid, Andrew Fock, David J Doolette
INTRODUCTION: Personnel rescuing survivors from a pressurized, distressed Royal Australian Navy (RAN) submarine may themselves accumulate a decompression obligation, which may exceed the bottom time limits of the Defense and Civil Institute of Environmental Medicine (DCIEM) Air and In-Water Oxygen Decompression tables (DCIEM Table 1 and 2) presently used by the RAN. This study compared DCIEM Table 2 with alternative decompression tables with longer bottom times: United States Navy XVALSS_DISSUB 7, VVAL-18M and Royal Navy 14 Modified tables...
September 2017: Diving and Hyperbaric Medicine: the Journal of the South Pacific Underwater Medicine Society
https://www.readbyqxmd.com/read/28868595/heat-deactivation-of-the-stonefish-synanceia-horrida-venom-implications-for-first-aid-management
#9
Samantha Barnett, Silvia Saggiomo, Michael Smout, Jamie Seymour
OBJECTIVES: To investigate the effects of temperature and hot water immersion time on neutralising venom lethality of the Australian estuarine stonefish (Synanceia horrida). DESIGN: Depths of the spines were measured while venom was extracted from S. horrida individuals. The venom was then exposed to temperatures of 4°C, 37.0°C, 40.1°C, 42.3°C, 45.0°C, 47.7°C, 55.2°C, and 60.0°C for either five or 20 minutes incubation periods. Venom samples were added to cultured human cardiomyocytes and cell viability curves were produced using the ACEA's xCELLigence real-time cell monitoring system...
September 2017: Diving and Hyperbaric Medicine: the Journal of the South Pacific Underwater Medicine Society
https://www.readbyqxmd.com/read/28868594/chain-of-events-analysis-for-a-scuba-diving-fatality
#10
John Lippmann, Christopher Stevenson, David McD Taylor, Jo Williams, Mohammadreza Mohebbi
INTRODUCTION: A scuba diving fatality usually involves a series of related events culminating in death. Several studies have utilised a chain of events-type analysis (CEA) to isolate and better understand the accident sequence in order to facilitate the creation of relevant countermeasures. The aim of this research was to further develop and better define a process for performing a CEA to reduce potential subjectivity and increase consistency between analysts. METHODOLOGY: To develop more comprehensive and better-defined criteria, existing criteria were modified and a template was created and tested using a CEA...
September 2017: Diving and Hyperbaric Medicine: the Journal of the South Pacific Underwater Medicine Society
https://www.readbyqxmd.com/read/28641329/echm-consensus-conference-and-levels-of-evidence-reply
#11
LETTER
Daniel Mathieu, Alessandro Marroni, Jacek Kot
Dr Sherlock asks for clarification on the approach adopted by the European Committee on Hyperbaric Medicine (ECHM) to assessing evidence for establishing indications for hyperbaric oxygen treatment (HBOT). Firstly, regardless of the strict process of editing and proof-reading of tables included in the above-mentioned publication, we received comments from some readers that identified imperfect layout of Table 1 and incorrect layout of Table 2 which significantly changed the conclusions to be drawn from them...
June 2017: Diving and Hyperbaric Medicine: the Journal of the South Pacific Underwater Medicine Society
https://www.readbyqxmd.com/read/28641328/echm-consensus-conference-and-levels-of-evidence
#12
LETTER
Susannah Sherlock
The ECHM Consensus Conference on indications for hyperbaric oxygen treatment (HBOT) was a welcome update of the evidence for HBOT use. However, clarification is requested in relation to how the GRADE system (Grades of Recommendation, Assessment, Development and Evaluation) was modified and how levels of evidence were applied in the case of idiopathic sudden sensorineural hearing loss (ISSHL). GRADE has a low kappa value for inter-observer agreement, so is modification valid? The original GRADE criteria, using consensus, grades evidence (defined as high, low and very low) and uses this to adjust the strength of recommendations...
June 2017: Diving and Hyperbaric Medicine: the Journal of the South Pacific Underwater Medicine Society
https://www.readbyqxmd.com/read/28641327/correction-to-mathieu-d-marroni-a-kot-j-tenth-european-consensus-conference-on-hyperbaric-medicine-recommendations-for-accepted-and-non-accepted-clinical-indications-and-practice-of-hyperbaric-oxygen-treatment-diving-hyperb-med-2017-mar-47-1-24-32
#13
Daniel Mathieu, Alessandro Marroni, Jacek Kot
Consistent with the Committee on Publication Ethics guidelines, we the above authors are initiating a partial retraction and correction of our paper: Mathieu D, Marroni A, Kot J: Tenth European Consensus Conference on Hyperbaric Medicine: recommendations for accepted and non-accepted clinical indications and practice of hyperbaric oxygen treatment. Diving Hyperb Med. 2017 Mar;47(1):24-32. We wish to make the following statement: "Regardless of the strict process of editing and proof-reading of tables included in the above-mentioned publication, we received some comments from readers which showed us that imperfect layout of Table 1 and incorrect layout of Table 2 changed significantly the conclusions which could be drawn from them...
June 2017: Diving and Hyperbaric Medicine: the Journal of the South Pacific Underwater Medicine Society
https://www.readbyqxmd.com/read/28641326/a-technical-diving-related-burns-case-treatment-in-a-remote-location
#14
Fiona C Sharp, Martin Dj Sayer
Injuries suffered as a result of a rebreather oxygen explosion and fire occurred to a diver on vacation in the island state of Chuuk, Micronesia. The medical and logistical management of the diver in a remote location are described. The mechanism of both the fire and the subsequent blast and burn injuries are discussed. Prevention of and preparation for such incidents are discussed in the context of the increasing frequency of dive and adventure travel to remote areas.
June 2017: Diving and Hyperbaric Medicine: the Journal of the South Pacific Underwater Medicine Society
https://www.readbyqxmd.com/read/28641325/superior-canal-dehiscence-syndrome-associated-with-scuba-diving
#15
Naoharu Kitajima, Akemi Sugita-Kitajima, Seiji Kitajima
A 28-year-old female diver presented with dizziness and difficulty clearing her left ear whilst scuba diving. Her pure-tone audiometry and tympanometry were normal. Testing of Eustachian tube function revealed tubal stenosis. Video-oculography revealed a predominantly torsional nystagmus while the patient was in the lordotic position. Fistula signs were positive. High-resolution computed tomography (HRCT) of the temporal bone revealed a diagnosis of bilateral superior semicircular canal dehiscence (SCDS). Cervical vestibular-evoked myogenic potential (cVEMP) testing showed that the amplitude of the cVEMP measured from her left ear was larger than that from the right...
June 2017: Diving and Hyperbaric Medicine: the Journal of the South Pacific Underwater Medicine Society
https://www.readbyqxmd.com/read/28641324/treatment-preferences-for-decompression-illness-amongst-singapore-dive-physicians
#16
Valerie Huali Tan, Kenneth Chin, Aravin Kumar, Jeremiah Chng, Chai Rick Soh Rick Soh
INTRODUCTION: Owing to the scarcity of randomized controlled trials to guide treatment for decompression illness (DCI), there are many unanswered questions about its management. Apart from reviews and expert opinion, surveys that report practice patterns provide information about useful management strategies. Hence, this study aimed to identify current treatment preferences for DCI amongst diving physicians in Singapore. METHODS: An anonymous web-based questionnaire was sent to known diving physicians in Singapore...
June 2017: Diving and Hyperbaric Medicine: the Journal of the South Pacific Underwater Medicine Society
https://www.readbyqxmd.com/read/28641323/ischaemia-reperfusion-injury-and-hyperbaric-oxygen-pathways-a-review-of-cellular-mechanisms
#17
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/28641322/scuba-diving-and-otology-a-systematic-review-with-recommendations-on-diagnosis-treatment-and-post-operative-care
#18
REVIEW
Devon M Livingstone, Kristine A Smith, Beth Lange
Scuba diving is a popular recreational and professional activity with inherent risks. Complications related to barotrauma and decompression illness can pose significant morbidity to a diver's hearing and balance systems. The majority of dive-related injuries affect the head and neck, particularly the outer, middle and inner ear. Given the high incidence of otologic complications from diving, an evidence-based approach to the diagnosis and treatment of otic pathology is a necessity. We performed a systematic and comprehensive literature review including the pathophysiology, diagnosis, and treatment of otologic pathology related to diving...
June 2017: Diving and Hyperbaric Medicine: the Journal of the South Pacific Underwater Medicine Society
https://www.readbyqxmd.com/read/28641321/identifying-and-acting-on-potentially-inappropriate-care-inadequacy-of-current-hospital-coding-for-this-task
#19
P David Cooper, David R Smart
INTRODUCTION: Recent Australian attempts to facilitate disinvestment in healthcare, by identifying instances of 'inappropriate' care from large Government datasets, are subject to significant methodological flaws. Amongst other criticisms has been the fact that the Government datasets utilized for this purpose correlate poorly with datasets collected by relevant professional bodies. Government data derive from official hospital coding, collected retrospectively by clerical personnel, whilst professional body data derive from unit-specific databases, collected contemporaneously with care by clinical personnel...
June 2017: Diving and Hyperbaric Medicine: the Journal of the South Pacific Underwater Medicine Society
https://www.readbyqxmd.com/read/28641320/transcutaneous-oximetry-measurements-of-the-leg-comparing-different-measuring-equipment-and-establishing-values-in-healthy-young-adults
#20
COMPARATIVE STUDY
Tobias P Trinks, Denise F Blake, Derelle A Young, Ken Thistlethwaite, Venkat N Vangaveti
INTRODUCTION: Transcutaneous oximetry measurement (TCOM) is a non-invasive method of determining oxygen tension at the skin level using heated electrodes. AIM: To compare TCOM values generated by different machines and to establish lower limb TCOM values in a cohort of healthy individuals younger than 40 years of age. METHOD: Sixteen healthy, non-smoking volunteers aged 18 to 39 years were recruited. TCOM was obtained at six locations on the lower leg and foot using three different Radiometer machines...
June 2017: Diving and Hyperbaric Medicine: the Journal of the South Pacific Underwater Medicine Society
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