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https://www.readbyqxmd.com/read/28991099/nonsurgical-management-of-retained-needlefish-jaw
#1
Clarissa Kum, Jessica R Chang, Anna M Gruener, Timothy J McCulley
While scuba diving, the left medial canthus of a 53-year-old man was pierced by a needlefish. He immediately lost vision in his left eye. An orbital computed tomographic scan showed the needlefish jaw in the left optic canal. The left medial orbit was explored surgically but no foreign object was removed. One month later, MRI confirmed the presence of the retained needlefish jaw. A conservative approach was taken and the patient remained stable over 3 months of follow-up.
October 4, 2017: Journal of Neuro-ophthalmology: the Official Journal of the North American Neuro-Ophthalmology Society
https://www.readbyqxmd.com/read/28974936/dive-risk-factors-gas-bubble-formation-and-decompression-illness-in-recreational-scuba-diving-analysis-of-dan-europe-dsl-data-base
#2
Danilo Cialoni, Massimo Pieri, Costantino Balestra, Alessandro Marroni
Introduction: The popularity of SCUBA diving is steadily increasing together with the number of dives and correlated diseases per year. The rules that govern correct decompression procedures are considered well known even if the majority of Decompression Sickness (DCS) cases are considered unexpected confirming a bias in the "mathematical ability" to predict DCS by the current algorithms. Furthermore, little is still known about diving risk factors and any individual predisposition to DCS. This study provides an in-depth epidemiological analysis of the diving community, to include additional risk factors correlated with the development of circulating bubbles and DCS...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28967810/scuba-diving-death-always-due-to-drowning-two-forensic-cases-and-a-review-of-the-literature
#3
I Aquila, F Pepe, M Manno, P Frati, S Gratteri, V Fineschi, P Ricci
Scuba diving is an increasingly common recreational activity. We describe the physiopathology of barotrauma in two cases where death was caused by pulmonary barotrauma while diving. An inspection and autopsy were carried out in both cases. The autopsy data were supported by post-mortem radiological investigation. Histological and toxicological analyses were also carried out, and dive computer and tank manometer analysis performed. In both cases, the cause of death was attributable to arterial gas embolism, resulting from pulmonary barotrauma subsequent to pulmonary over-distension...
January 1, 2017: Medico-legal Journal
https://www.readbyqxmd.com/read/28928667/thirty-five-day-fluoxetine-treatment-limits-sensory-motor-deficit-and-biochemical-disorders-in-a-rat-model-of-decompression-sickness
#4
Caroline Cosnard, Sébastien De Maistre, Jacques H Abraini, Laurent Chazalviel, Jean-Eric Blatteau, Jean-Jacques Risso, Nicolas Vallée
According to the OECD statistical base for 2014, anti-depressants will, on average, be distributed at a rate of 62 daily doses per 1,000 inhabitants for the 25 countries surveyed (Health at a glance: Europe 2014; OECD Health Statistics; World Health Organization and OECD Health Statistics, 2014). Divers must be concerned. On another hand, divers are potentially exposed to decompression sickness including coagulation inflammation and ischemia, which can result in neurological lesions or even death. The purpose of this study is to assess whether chronic treatment with anti-depressants may represent a contraindication to the practice of an at-risk activity, such as, scuba diving, or even presents a benefit by attenuating the severity of the symptoms...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28926608/epibenthic-and-mobile-species-colonisation-of-a-geotextile-artificial-surf-reef-on-the-south-coast-of-england
#5
Roger J H Herbert, Ken Collins, Jenny Mallinson, Alice E Hall, Josephine Pegg, Kathryn Ross, Leo Clarke, Tom Clements
With increasing coastal infrastructure and use of novel materials there is a need to investigate the colonisation of assemblages associated with new structures, how these differ to natural and other artificial habitats and their potential impact on regional biodiversity. The colonisation of Europe's first artificial surf reef (ASR) was investigated at Boscombe on the south coast of England (2009-2014) and compared with assemblages on existing natural and artificial habitats. The ASR consists of geotextile bags filled with sand located 220m offshore on a sandy sea bed at a depth of 0-5m...
2017: PloS One
https://www.readbyqxmd.com/read/28880140/-diving-accident-induced-arterial-gas-embolism
#6
P D Nijk, T P van Rees Vellinga, J M van Lieshout, M I Gaakeer
BACKGROUND: During scuba diving, nitrogen dissolves into the body tissues due to elevated pressure under water. During a sudden drop in pressure due to a rapid return to the water surface, arterial gas embolism can arise from pulmonary barotrauma. In a later phase, nitrogen bubbles can also arise in the venous circulation (decompression sickness). Arterial bubbles can incur vascular damage, obstruction, hypoxia and infarction. CASE DESCRIPTION: A 53-year-old healthy sport diver presented at the emergency department in a hypovolemic shock with progressive paresis of all the extremities...
2017: Nederlands Tijdschrift Voor Geneeskunde
https://www.readbyqxmd.com/read/28868598/turkish-recreational-divers-a-comparative-study-of-their-demographics-diving-habits-health-and-attitudes-towards-safety
#7
COMPARATIVE STUDY
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/28868594/chain-of-events-analysis-for-a-scuba-diving-fatality
#8
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/28864135/reliability-of-right-to-left-shunt-screening-in-the-prevention-of-scuba-diving-related-decompression-sickness
#9
Emmanuel Gempp, Marianne Lyard, Pierre Louge
OBJECTIVES: The aim of this study was to investigate the relationship between right-to-left shunt (RLS) and the clinical features of decompression sickness (DCS) in scuba divers and to determine the potential benefit for screening this anatomical predisposition in primary prevention. METHODS: 634 injured divers treated in a single referral hyperbaric facility for different types of DCS were retrospectively compared to 259 healthy divers. All subjects had a RLS screening by contrast Transcranial Doppler (TCD) ultrasound according to a standardized method...
December 1, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28859181/clinical-application-of-newly-developed-custom-made-mouthpiece-for-scuba-diving
#10
Toshiaki Hirose, Tomoya Gonda, Yoshinobu Maeda
PURPOSE: To describe a method for customizing scuba diving mouthpieces, to examine their usability, and to assess divers' satisfaction with their use. MATERIALS AND METHODS: A rational method for fabricating custom-made mouthpieces for scuba diving was developed. Twenty scuba divers agreed to use a custom-made mouthpiece for at least 4 weeks. After mouthpiece use, participants completed an 11-item questionnaire. RESULTS: Custom-made mouthpieces had significantly lower scores for all items on the questionnaire except uncomfortable sensation, indicating that they were more comfortable than ready-made mouthpieces...
September 2017: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/28810113/an-unusual-presentation-of-an-unusual-disease-spontaneous-pneumomediastinum
#11
Kalyan Chakravarthy Potu, Maheedhar Gedela, Kashif Abbas Shaikh, Sujithasree Ketineni, Eric Larson
We report a case of spontaneous pneumomediastinum with unusual clinical presentation. The most common symptoms of spontaneous mediastinum are chest pain and shortness of breath. Our patient presented with neck swelling and change in voice, an unusual presentation for spontaneous pneumothorax. A 30-year-old previously healthy man presented with complaints of neck swelling and hoarseness of voice beginning after an intense coughing spell. He had no other complaints. He denied any trauma to the chest, nausea, vomiting, recent air travel, scuba diving or recreational drug use...
November 2016: South Dakota Medicine: the Journal of the South Dakota State Medical Association
https://www.readbyqxmd.com/read/28797173/sphenoid-sinus-barotrauma-in-diving-case-series-and-review-of-the-literature
#12
Jochen D Schipke, Sinclair Cleveland, Markus Drees
About 50% of scuba divers have suffered from barotrauma of the ears and about one-third from barotrauma of paranasal sinuses. The sphenoid sinuses are rarely involved. Vital structures, as internal carotid artery and optic nerve, adjoin the sphenoid sinus. Thus, barotrauma could lead to serious neurologic disorders, including blindness. After searching the literature (Medline) and other sources (Internet), we present some cases of sphenoid sinus barotrauma, because these injuries may be underreported and misdiagnosed due to the lack of awareness and knowledge...
August 10, 2017: Research in Sports Medicine
https://www.readbyqxmd.com/read/28783886/cerebrospinal-vascular-diseases-misdiagnosed-as-decompression-illness-the-importance-of-considering-other-neurological-diagnoses
#13
Kiyotaka Kohshi, Yoshitaka Morimatsu, Hideki Tamaki, Yukio Murata, Katsuko Kohshi, Tatsuya Ishitake, Petar J Denoble
The diagnosis of decompression illness (DCI), which is based on a history of decompression and clinical findings, can sometimes be confounded with other vascular events of the central nervous system. The authors report three cases of divers who were urgently transported to a hyperbaric facility for hyperbaric oxygen treatment of DCI which at admission turned out to be something else. The first case, a 45-year-old experienced diver with unconsciousness, was clinically diagnosed as having experienced subarachnoid hemorrhage, which was confirmed by CT scan...
July 2017: Undersea & Hyperbaric Medicine: Journal of the Undersea and Hyperbaric Medical Society, Inc
https://www.readbyqxmd.com/read/28783885/performance-of-life-support-breathing-apparatus-for-under-ice-diving-operations
#14
Michael A Lang, John R Clarke
INTRODUCTION: Single-hose scuba regulators dived in very cold water may suffer first- or second-stage malfunction, yielding complete occlusion of air flow or massive freeflow that rapidly expends a diver's air supply. PURPOSE: This study, conducted in Antarctica, evaluated the under-ice performance of a sampling of commercially available regulators. METHODS: Seventeen science divers logged a total of 305 dives in -1.86°C seawater under 6-meter-thick Antarctic fast-ice over two field seasons in 2008 and 2009...
July 2017: Undersea & Hyperbaric Medicine: Journal of the Undersea and Hyperbaric Medical Society, Inc
https://www.readbyqxmd.com/read/28783770/active-46-year-old-man-with-right-sided-visual-loss-and-no-family-history-of-stroke-%C3%A2-dx
#15
Tokunbo Ajayi, Hyun-Sik Yang, Ashmeet Bhatia
A 46-year-old man presented to the emergency department with sudden-onset right-sided visual loss. He had a history of asthma, but no family history of hypercoagulability, deep vein thrombosis, or stroke. The patient had an active lifestyle that included scuba diving, mountain biking, and hockey (coaching and playing). The physical examination revealed a right homonymous upper quadrantanopia. The neurologic examination was within normal limits, except for the visual deficit and unequal pupil size. A computerized tomography scan of the patient's head did not reveal any lesions...
August 2017: Journal of Family Practice
https://www.readbyqxmd.com/read/28777521/blue-fingered-diver-case-report
#16
Rebecca Cable, Lindell K Weaver, Anne B Roberts, Greg Goodman, Kayla Deru
Although Raynaud's phenomenon is a well-known consequence of exposure to cold, neither its incidence in recreational divers nor case reports in that population have been reported in the medical literature. We present a case report of the initial manifestation of primary Raynaud's phenomenon during a warm-water scuba dive. A healthy 18-year-old Caucasian male made four open-circuit compressed air scuba dives over two days in the Florida Keys to a maximum depth of 90 feet. After two of those dives, he noted painless, blue discoloration on three digits of his left hand, unaccompanied by sensory changes, which resolved within an hour of surfacing...
November 2016: Undersea & Hyperbaric Medicine: Journal of the Undersea and Hyperbaric Medical Society, Inc
https://www.readbyqxmd.com/read/28777520/factors-influencing-adherence-to-pre-dive-checklists-among-recreational-scuba-divers
#17
Shabbar I Ranapurwala, Charles Poole, Stephen W Marshall, Kristen L Kucera, Petar J Denoble, Steve Wing
Pre-dive checklists can prevent mishaps, injuries, and deaths in recreational scuba diving. However, the prevalence of checklist use remains low. Understanding the environmental and individual factors influencing a diver's checklist use may help in promoting checklists. In the summer of 2012, 617 divers were enrolled in the intervention group of a cluster randomized trial. The divers received an intervention pre-dive checklist to use before they made dives. Logistic regression analyses were used to model adherence to pre-dive checklist with generalized estimating equations...
November 2016: Undersea & Hyperbaric Medicine: Journal of the Undersea and Hyperbaric Medical Society, Inc
https://www.readbyqxmd.com/read/28768085/scuba-in-older-aged-divers
#18
Michael B Strauss, Jeremy A Busch, Stuart S Miller
As the population gets older, coupled with increased awareness of good health practices and the recognition that fitness contributes to participation in activities generally appropriate for younger individuals, decisions need to be made about what are appropriate activities for the older-aged scuba (self-contained underwater breathing apparatus) diver. It is essential to appreciate the distinction between chronological and physiological age. Three factors, namely fitness, comorbidities, and mobility and strength are fundamental when making decisions about participation in activities in general as well as in scuba diving for older adults...
January 2017: Undersea & Hyperbaric Medicine: Journal of the Undersea and Hyperbaric Medical Society, Inc
https://www.readbyqxmd.com/read/28699708/-immersion-pulmonary-edema
#19
Benoît Desgraz, Claudio Sartori, Mathieu Saubade, Francis Héritier, Vincent Gabus
Immersion pulmonary edema may occur during scuba diving, snorke-ling or swimming. It is a rare and often recurrent disease, mainly affecting individuals aged over 50 with high blood pressure. However it also occurs in young individuals with a healthy heart. The main symptoms are dyspnea, cough and hemoptysis. The outcome is often favorable under oxygen treatment but deaths are reported. A cardiac and pulmonary assessment is necessary to evaluate the risk of recurrence and possible contraindications to immersion...
July 12, 2017: Revue Médicale Suisse
https://www.readbyqxmd.com/read/28694723/does-recreational-scuba-diving-have-clinically-significant-effect-on-routine-haematological-parameters
#20
Antonija Perovic, Nora Nikolac, Marina Njire Braticevic, Ana Milcic, Sandra Sobocanec, Tihomir Balog, Sanja Dabelic, Jerka Dumic
INTRODUCTION: Scuba diving represents a combination of exercise and changes in environmental conditions. This study aimed to evaluate changes in haematological parameters after recreational scuba diving in order to identify clinically significant changes. MATERIALS AND METHODS: The study included males, 17 recreational divers, median age (range) 41 (30-52) years. Blood samples were taken before diving, immediately after diving to 30 meters for 30 minutes, 3 hours and 6 hours after diving...
June 15, 2017: Biochemia Medica: časopis Hrvatskoga Društva Medicinskih Biokemičara
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