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JOURNAL ARTICLE
Carl Hjelte, Oscar Plogmark, Mårten Silvanius, Magnus Ekström, Oskar Frånberg
INTRODUCTION: To develop the diving capacity in the Swedish armed forces the current air decompression tables are under revision. A new decompression table named SWEN21 has been created to have a projected risk level of 1% for decompression sickness (DCS) at the no stop limits. The aim of this study was to evaluate the safety of SWEN21 through the measurement of venous gas emboli (VGE) in a dive series. METHODS: A total 154 dives were conducted by 47 divers in a hyperbaric wet chamber...
December 20, 2023: Diving and Hyperbaric Medicine: the Journal of the South Pacific Underwater Medicine Society
#22
Ufuk Uylas, Egemen Çiçek, Fatih Sümer, Cüneyt Kayaalp
Sigmoid volvulus is a disease of elderly and debilitated patients. In sigmoid volvulus patients, colonoscopic derotation is the most commonly applied approach as the first line treatment. However, colonoscopic derotation sometimes fail and then urgent surgery is required in these frail patients with high morbidity and mortality. Percutaneous colonic gas decompression has been described to sigmoid volvulus. In case of life-threating increase intraabdominal pressure and as a primary attempt before colonoscopy...
September 2023: Turkish Journal of Surgery
#23
JOURNAL ARTICLE
Edwin López Ramos, Manuel Rivera Bengoechea, Silvina Cancelos Mancini, Carlos Marín Martín
OBJECTIVE: The presentation of a novel prospective treatment for scenarios where bubble presence in the bloodstream poses a clinical risk. The method relies on generating resonant acoustic standing waves within a limb to non-invasively accelerate the dissolution of bubbles present in the bloodstream via bubble rupture. Additionally, a preliminary assessment of the effects of the resonant acoustic waves and bubble rupture events on red blood cell viability is provided. METHODS: Two semicircular piezoelectric (PZT) transducers electrically connected to each other were assembled around a small-girth segment of a rear thigh removed from a swine specimen...
2023: Undersea & Hyperbaric Medicine: Journal of the Undersea and Hyperbaric Medical Society, Inc
#24
Ni Chen, Hua-Jun Chen, Tao Chen, Wen Zhang, Xiao-Yun Fu, Zhou-Xiong Xing
BACKGROUND: Central venous catheters (CVCs) often cause life-threatening complications, especially CVC-related bloodstream infection (CVC-BSI) and catheter-related thrombosis (CRT). Here, we report an unusual case of misplaced CVC-induced emphysematous thrombophlebitis, a rare but potentially lethal form of CRT and CVC-BSI characterized by both thrombosis and gas formation. CASE SUMMARY: A 48-year-old male presented to the emergency room of a local hospital with sudden-onset headache and coma for 4 h...
October 16, 2023: World Journal of Clinical Cases
#25
JOURNAL ARTICLE
Management of Priapism: Results of a Nationwide Survey and Comparison with International Guidelines.
Arif Kalkanli, Salih Zeki Sönmez, Mine Guvel, Erdogan Aglamis, Seyhmuz Araz, Ahmet Asfuroglu, Huseyin Kursad Avci, Memduh Aydin, Murat Aydos, Ugur Balci, Caner Baran, Yavuz Bastug, Numan Baydilli, Omer Bayrak, Can Benlioglu, Ibrahim Halil Bozkurt, Kerem Bursali, Utku Can, Seref Coser, Mehmet Caglar Cakici, Gokhan Calik, Ali Cift, Nusret Can Cilesiz, Demirhan Orsan Demir, Murat Demir, Huseyin Cihan Demirel, Murat Dursun, Erhan Demirelli, Berk Yasin Ekenci, Mithat Eksi, Giray Ergin, Ismail Emre Ergin, Anil Erkan, Onur Fikri, Cem Tugrul Gezmis, Abdullah Gül, Muhammet Guzelsoy, Muhammed Arif Ibis, Abdurrahman Inkaya, Tumay Ipekci, Ahmet Karakeci, Kadir Karkin, Coskun Kaya, Ozgur Kazan, Mustafa Koray Kirdag, Yigit Cagri Kizilcay, Burak Koseoglu, Emrah Kucuk, Serkan Gonultas, Mehmet Sezai Ogras, Ahmet Olgun, Eser Ordek, Isa Ozbey, Mehmet Sarier, Samet Senel, Ahmet Tahra, Tuncay Toprak, Mehmet Yigit Yalcin, Abdullah Hizir Yavuzsan, Selim Yazar, İbrahim Hacıbey, Kadir Yildirim, Kemal Yilmaz, Sercan Yilmaz, Mehmet Yoldas, Ahmet Yuce, Mehmet Ozgur Yucel, Cem Nedim Yuceturk, Jean de la Rosette, Ates Kadioglu
OBJECTIVE: The aim of this study is to evaluate current urologic practice regarding the management of priapism in Turkey and compare with international guidelines. METHODS: Urologists and urology residents were invited to an online survey consisting of 30 multiple-choice questions on priapism-related clinical practices that were consid- ered most important and relevant to practices by using Google Forms. RESULTS: Total number of responses was 340...
July 2023: Urol Res Pract
#26
Minh Thao Nguyen, Anh Vu Pham
Morgagni hernia is a rare congenital diaphragmatic hernia associated with the minor retro-xiphoid region between the sternal and costal attachments. The bilateral and complicated Morgagni hernia occurred exceptionally rarely, at a rate of 4% and 6.5%. An 81-year-old woman with occasional constipation went to the emergency department for epigastric pain and vomiting 3 days before. She could no longer pass gas that caused abdominal distention. Clinical examination and ultrasound showed partial bowel obstruction, an unspecified cause...
2023: SAGE Open Medical Case Reports
#27
REVIEW
Phillip L Marsh, Ernest E Moore, Hunter B Moore, Connor M Bunch, Michael Aboukhaled, Shaun M Condon, Mahmoud D Al-Fadhl, Samuel J Thomas, John R Larson, Charles W Bower, Craig B Miller, Michelle L Pearson, Christopher L Twilling, David W Reser, George S Kim, Brittany M Troyer, Doyle Yeager, Scott G Thomas, Daniel P Srikureja, Shivani S Patel, Sofía L Añón, Anthony V Thomas, Joseph B Miller, David E Van Ryn, Saagar V Pamulapati, Devin Zimmerman, Byars Wells, Peter L Martin, Christopher W Seder, John G Aversa, Ryan B Greene, Robert J March, Hau C Kwaan, Daniel H Fulkerson, Stefani A Vande Lune, Tom E Mollnes, Erik W Nielsen, Benjamin S Storm, Mark M Walsh
Iatrogenic vascular air embolism is a relatively infrequent event but is associated with significant morbidity and mortality. These emboli can arise in many clinical settings such as neurosurgery, cardiac surgery, and liver transplantation, but more recently, endoscopy, hemodialysis, thoracentesis, tissue biopsy, angiography, and central and peripheral venous access and removal have overtaken surgery and trauma as significant causes of vascular air embolism. The true incidence may be greater since many of these air emboli are asymptomatic and frequently go undiagnosed or unreported...
2023: Frontiers in Immunology
#28
JOURNAL ARTICLE
T Keller, B Desgraz, M Lossois, E Baccino, J M Casadesus, L Tuchtan, M D Piercecchi, P Klinguer, M Zarattin, J L Gassend, V Varlet
Scuba diving fatalities post-mortem diagnosis presents a higher level of forensic complexity because of their occurrence in a non-natural human life environment. Scuba divers are equipped with diving gas to breathe underwater. It is essential for them to be fully trained in order to be able to manage their dive safely despite the varying increase of ambient pressure and temperature decrease. Throughout the dive, the inhaled diving gas is dissolved in the diver's tissues during the descent and if the decompression steps are not respected during the ascent, the balance between the dissolved gas and the tissues (including blood) is disrupted, leading to a gaseous release in the organism...
September 22, 2023: Forensic Science International
#29
Lanchun Chen, Xianrang Yan, Xuetao Yu
A 57-year-old male admitted as an emergency for mushroom poisoning with hypovolemic shock, acute renal injury (Cr 213 μmol/L) and metabolic acidosis (pH 7.1). Twenty-six hours ago, he consumed 4 caps of wild mushrooms and presented with acute gastroenteritis, generalized malaise and lower limbs jerk. On ICU admission, he developed ventricular defibrillation and was resuscitated with intubation and ventilation. In addition to plasma exchange and hemoperfusion therapy, the patient was managed with massive fluid and potassium replacement, vasopressors, activated charcoal, silymarin, penicillin G and piperacillin tazobactam...
September 22, 2023: Toxicon: Official Journal of the International Society on Toxinology
#30
JOURNAL ARTICLE
Desmond M Connolly, Leigh A Madden, Victoria C Edwards, Timothy J D'Oyly, Stephen D R Harridge, Thomas G Smith, Vivienne M Lee
INTRODUCTION: Consistent blood biomarkers of hypobaric (altitude) decompression stress remain elusive. Recent laboratory investigation of decompression sickness risk at 25,000 ft (7620 m) enabled evaluation of early pathophysiological responses to exertional decompression stress. METHODS: In this study, 15 healthy men, aged 20-50 yr, undertook 2 consecutive (same-day) ascents to 25,000 ft (7620 m) for 60 and 90 min, breathing 100% oxygen, each following 1 h of prior denitrogenation...
October 1, 2023: Aerospace Medicine and Human Performance
#31
Viktoriya Sapkalova, Samantha Zhan-Moodie, Michael Oberle, Martha K Terris
Emphysematous cystitis (EC) is a rare condition characterized by gas within the bladder wall or lumen. EC is most commonly seen in elderly women with poorly controlled diabetes mellitus (DM). Escherichia coli and Klebsiella pneumoniae are most commonly implicated. We present a 68-year-old woman with poorly controlled DM who presented with altered mental state with growth of Candida glabrata in urine and blood cultures. CT abdomen and pelvis revealed air in the bladder lumen and the extraperitoneal space. Bladder rupture was suspected and bladder decompression was managed conservatively with a foley catheter...
September 2023: Urology Case Reports
#32
JOURNAL ARTICLE
David Lockington, Gordon Brown, Chris Pearce, Lukasz Kaczmarczyk
PURPOSE: To model post-operative forces involved in DMEK tissue adherence and bubble management, including the impact of surface tension on graft support, with a view towards clinical applications. SETTING: Tennent Institute of Ophthalmology, Glasgow, and James Watt School of Engineering, University of Glasgow, Glasgow, UK. DESIGN: Mathematical modelling and computer simulation. METHODS: Theoretical modelling of biphasic flow and interaction of gas, liquid and tissue within the anterior chamber for static horizontal Scenario A (adherent DMEK with mobile bubble) and dynamic vertical Scenario B (release of bubble due to pupil block following DMEK)...
September 18, 2023: Journal of Cataract and Refractive Surgery
#33
JOURNAL ARTICLE
Dazhi Guo, Dongtao Li, Ruijun Xue, Yan Lv, Shuyi Pan
RATIONALE: Cerebral arterial air embolism is a rare but potentially fatal complication of computed tomography (CT) guided lung biopsy. Hyperbaric oxygen (HBO2) is the first line of treatment for arterial gas embolism and needs to be administered immediately after the event. Early HBO2 can reduce the mortality rate of cerebrovascular air embolism. PATIENT CONCERNS: A 65-year-old woman was diagnosed with a pulmonary nodule with a diameter of approximately 0.8 cm in the right lower lung...
2023: Undersea & Hyperbaric Medicine: Journal of the Undersea and Hyperbaric Medical Society, Inc
#34
JOURNAL ARTICLE
J R Kerr, A L F Castro, N O Melo, J A Daniels, A Holgate, L A Dolman, L G M Silva, P S Kemp
Barotrauma is a major cause of injury and mortality of fish as they pass through hydropower turbines. Current understanding of hydropower related barotrauma is biased towards northern temperate and southern subtropical species with single chambered swim bladders, specifically North American and Australian species, respectively. Today, unprecedented hydropower development is taking place in Neotropical regions where many species have complex multi-chambered swim bladder architecture. This study investigated barotrauma in two dual-chambered physostomous Neotropical fish (pacu, Piaractus mesopotamicus, and piracanjuba, Brycon orbignyanus) exposed to rapid (< 1 s) decompression at different Ratios of Pressure Change (RPC), using a hypo-hyperbaric chamber...
September 1, 2023: Science of the Total Environment
#35
JOURNAL ARTICLE
Arianna Balbo, Martina Drommi, Filippo Spigno, Francesca Maria Elena Frigiolini, Rosario Barranco, Francesco Ventura
Scuba diving is one of the most common and practised water sport activities in Genoa, especially in the more recent years. Although scuba diving is generally considered a safe activity, this does not exclude the possibility of serious or fatal accidents from happening. This retrospective study investigates the case history of deaths resulting from diving accidents recorded by the Municipal Morgue of Genoa over a period of 53 years, specifically from 1968 to 2021. Of the total 52 deaths covered by the study, 48 were male with an age range of 16-71 years...
August 24, 2023: Journal of Forensic and Legal Medicine
#36
JOURNAL ARTICLE
Brice Loddé, Marie-Agnès Giroux-Metges, Hubert Galinat, Hèlène Kerspern, Richard Pougnet, Philippe Saliou, François Guerrero, Pierre Lafère
Long-term alterations of pulmonary function (mainly decreased airway conductance and capacity of the lungs to diffuse carbon monoxide (DLCO)) have been described after hyperbaric exposures. However, whether these alterations convey a higher risk for divers' safety has never been investigated before. The purpose of the present pilot study was to assess whether decreased DLCO is associated with modifications of the physiological response to diving. In this case-control observational study, 15 "fit-to-dive" occupational divers were split into two groups according to their DLCO measurements compared to references values, either normal (control) or reduced (DLCO group)...
August 3, 2023: International Journal of Environmental Research and Public Health
#37
JOURNAL ARTICLE
Arian Azarang, S Lesley Blogg, Joshua Currens, Rachel M Lance, Richard E Moon, Peter Lindholm, Virginie Papadopoulou
Doppler ultrasound (DU) is used in decompression research to detect venous gas emboli in the precordium or subclavian vein, as a marker of decompression stress. This is of relevance to scuba divers, compressed air workers and astronauts to prevent decompression sickness (DCS) that can be caused by these bubbles upon or after a sudden reduction in ambient pressure. Doppler ultrasound data is graded by expert raters on the Kisman-Masurel or Spencer scales that are associated to DCS risk. Meta-analyses, as well as efforts to computer-automate DU grading, both necessitate access to large databases of well-curated and graded data...
2023: PloS One
#38
Noy Ashkenazy, Carl J Danzig, Andrew J Rong, Sarah P Read, Michelle M Maeng, Harry W Flynn, Thomas A Albini
We present 2 cases of sutureless 25-gauge pars plana vitrectomy and fluid-gas exchange, in which incorrect gas concentrations likely led to elevated intraocular pressures and retrobulbar gas. Combined removal of orbital gas with anterior orbitotomy and pars plana vitrectomy was performed in the first case to address expanding intraocular and retrobulbar gas resulting from a suspected error in gas dilution. Vitreous and orbital gas removal by needling was effective in the second case. In patients with elevated intraocular pressure and orbital gas accumulation after vitrectomy, combined intraocular and orbital decompressions were effective in optimizing clinical outcomes...
2023: Case Reports in Ophthalmology
#39
Mohammed Rifat Shaik, Chet Ranabhat, Nishat Anjum Shaik, Akshay Duddu, Zaid Bilgrami, Guofeng Xie
Gastric pneumatosis, an uncommon radiologic finding characterized by the presence of gas within the gastric wall, presents a diagnostic challenge due to its association with both benign gastric emphysema and more severe emphysematous gastritis. The contrasting outcomes and management approaches for these conditions underscore the necessity for accurate diagnosis and appropriate intervention. We present a case of a 29-year-old female with a medical history significant for type 1 diabetes mellitus who presented with abdominal pain, nausea, and vomiting...
2023: Case Reports in Gastrointestinal Medicine
#40
JOURNAL ARTICLE
Mina Kim, Chang Hoon Lee
To investigate changes in the physical and chemical properties of high-density polyethylene (HDPE) upon the rapid release of hydrogen gas at a pressure of 90 MPa, several characterization techniques have been employed, including optical microscopy, scanning electron microscopy, X-ray diffraction, differential scanning thermal analysis, and attenuated total reflectance Fourier-transform infrared spectroscopy. The results showed that both physical and chemical changes occurred in HDPE upon a rapid release of hydrogen gas...
June 29, 2023: Polymers
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