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Barotrauma

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https://www.readbyqxmd.com/read/28728546/successful-rescue-combination-of-extracorporeal-membrane-oxygenation-high-frequency-oscillatory-ventilation-and-prone-positioning-for-the-management-of-severe-methicillin-resistant-staphylococcus-aureus-pneumonia-complicated-by-pneumothorax-a-case-report-and
#1
Hangyong He, Hao Wang, Xuyan Li, Xiao Tang, Rui Wang, Bing Sun, Zhaohui Tong
BACKGROUND: To describe the experience of combination therapy with extracorporeal membrane oxygenation(ECMO), high-frequency oscillatory ventilation(HFOV) and prone positioning in treating severe respiratory failure caused by community acquired methicillin resistant Staphylococcus aureus(CA-MRSA). CASE PRESENTATION: A 30-year-old female presented with fever and dyspnea for 3 days. She was diagnosed CA-MRSA pneumonia complicated by severe respiratory failure, pneumothorax and neutropenia...
July 20, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/28726587/repair-of-tympanic-membrane-perforations-with-customized-bioprinted-ear-grafts-using-chinchilla-models
#2
Che-Ying Kuo, Emmanuel Wilson, Andrew Fuson, Nidhi Gandhi, Reza Monfaredi, Audrey Jenkins, Maria Romero, Marco Santoro, John P Fisher, Kevin Cleary, Brian Reilly
The goal of this work is to develop an innovative method that combines bioprinting and endoscopic imaging to repair tympanic membrane perforations (TMPs). TMPs are a serious health issue because they can lead to both conductive hearing loss and repeated otitis media. TMPs occur in 3 to 5% of cases after ear tube placement as well as in cases of acute otitis media (the second most common infection in pediatrics), chronic otitis media with or without cholesteatoma, or as a result of barotrauma to the ear. About 55,000 tympanoplasties, the surgery performed to reconstruct TMPs, are performed every year and the commonly used cartilage grafting technique has a success rate between 43% to 100%...
July 20, 2017: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/28713509/mechanical-ventilation-practice-in-egyptian-pediatric-intensive-care-units
#3
Bassant Salah Meligy, Sally Kamal, Seham Awad El Sherbini
INTRODUCTION: Mechanical ventilation is one of the indispensable tools in pediatric intensive care units. Few studies addressed the epidemiology of pediatric patients on mechanical ventilation and the frequently used modes of ventilation. This is the first study to describe the practice of mechanical ventilation (MV) in Egyptian pediatric intensive care units (PICUs). METHODS: This prospective observational study was conducted from January 2014 to December 2014 in two pediatric intensive care units at Cairo University Pediatric Hospital...
May 2017: Electronic Physician
https://www.readbyqxmd.com/read/28701178/the-future-of-mechanical-ventilation-lessons-from-the-present-and-the-past
#4
REVIEW
Luciano Gattinoni, John J Marini, Francesca Collino, Giorgia Maiolo, Francesca Rapetti, Tommaso Tonetti, Francesco Vasques, Michael Quintel
The adverse effects of mechanical ventilation in acute respiratory distress syndrome (ARDS) arise from two main causes: unphysiological increases of transpulmonary pressure and unphysiological increases/decreases of pleural pressure during positive or negative pressure ventilation. The transpulmonary pressure-related side effects primarily account for ventilator-induced lung injury (VILI) while the pleural pressure-related side effects primarily account for hemodynamic alterations. The changes of transpulmonary pressure and pleural pressure resulting from a given applied driving pressure depend on the relative elastances of the lung and chest wall...
July 12, 2017: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/28665929/effect-of-frequency-on-pressure-cost-of-ventilation-and-gas-exchange-in-newborns-receiving-high-frequency-oscillatory-hfov
#5
Emanuela Zannin, Raffaele L Dellaca', Giulia Dognini, Lara Marconi, Martina Perego, Jane J Pillow, Paolo E Tagliabue, Maria Luisa Ventura
BACKGROUND: We hypothesized that ventilating at the resonant frequency of the respiratory system optimizes gas exchange while limiting the mechanical stress to the lung in newborns receiving HFOV. We characterized the frequency dependence of oscillatory mechanics, gas exchange and pressure transmission during HFOV. METHODS: We studied 13 newborn infants with a median (IQR) gestational age of 29.3(26.4-30.4) weeks and body weight of 1.00(0.84-1.43) kg. Different frequencies (5, 8, 10, 12, 15 Hz) were tested, keeping carbon dioxide diffusion coefficient (DCO2) constant...
June 30, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28641325/superior-canal-dehiscence-syndrome-associated-with-scuba-diving
#6
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/28641322/scuba-diving-and-otology-a-systematic-review-with-recommendations-on-diagnosis-treatment-and-post-operative-care
#7
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/28641319/understanding-scuba-diving-fatalities-carbon-dioxide-concentrations-in-intra-cardiac-gas
#8
Vincent Varlet, Alejandro Dominguez, Marc Augsburger, Maisy Lossois, Coraline Egger, Cristian Palmiere, Raquel Vilarino, Silke Grabherr
INTRODUCTION: Important developments in the diagnosis of scuba diving fatalities have been made thanks to forensic imaging tool improvements. Multi-detector computed tomography (MDCT) permits reliable interpretation of the overall gaseous distribution in the cadaver. However, due to post-mortem delay, the radiological interpretation is often doubtful because the distinction between gas related to the dive and post-mortem decomposition artifactual gases becomes less obvious. METHODS: We present six cases of fatal scuba diving showing gas in the heart and other vasculature...
June 2017: Diving and Hyperbaric Medicine: the Journal of the South Pacific Underwater Medicine Society
https://www.readbyqxmd.com/read/28637550/esophageal-hematoma-following-acute-esophageal-barotrauma
#9
John D Vossler, Ayman Abdul-Ghani
No abstract text is available yet for this article.
June 1, 2017: American Surgeon
https://www.readbyqxmd.com/read/28618820/onset-of-barotrauma-injuries-related-to-number-of-pile-driving-strike-exposures-in-hybrid-striped-bass
#10
Brandon M Casper, Michele B Halvorsen, Thomas J Carlson, Arthur N Popper
Previous studies exploring injury response to pile driving in fishes presented exposure paradigms (>900 strikes) that emulated circumstances where fish would not leave an area being ensonified. Those studies did not, however, address the question of how many strikes are needed before injuries appear. Thus, the number of strikes paired with a constant single strike sound exposure level (SELss) that can cause injuries is not yet clear. In order to examine this question, hybrid striped bass (white bass Morone chrysops × striped bass Morone saxatilis) were exposed to 8-384 strikes in three different SELss treatments that generated different cumulative sound exposure level values...
June 2017: Journal of the Acoustical Society of America
https://www.readbyqxmd.com/read/28607332/massive-ischemic-stroke-due-to-pulmonary-barotrauma-and-cerebral-artery-air-embolism-during-commercial-air-travel
#11
Sara Farshchi Zarabi, Matteo Parotto, Rita Katznelson, James Downar
BACKGROUND Air embolism into the systemic arterial circulation secondary to pulmonary barotrauma has rarely been reported. Herein, we report the clinical course of an extremely rare presentation of cerebral air embolism likely due to ruptured pulmonary bullae during commercial air travel. CASE REPORT A 65-year-old man suddenly became unconscious during an airplane descent. Upon landing, he was immediately transferred to the nearest emergency department where he was intubated for airway protection. His head CT angiogram showed multiple air pockets in the right parietal lobe suspicious for multiple air emboli...
June 13, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28518004/middle-ear-barotrauma-in-student-pilots
#12
Jung Heob Sohn, Kyoung Rai Cho
INTRODUCTION: The present study reports the clinical features of middle ear barotrauma in student pilots in the Republic of Korea Air Force. METHODS: The authors reviewed medical records of student pilots with barotrauma. The grade of barotrauma was assigned using Teed's classification. This study included nasal symptoms, endoscopic findings of the nasal cavity, and clinical course (duration, recurrence). The relationship between middle ear barotrauma and the nasal airway was also evaluated...
April 1, 2017: Aerospace Medicine and Human Performance
https://www.readbyqxmd.com/read/28451812/debulking-atherectomy-in-the-peripheral-arteries-is-there-a-role-and-what-is-the-evidence
#13
Konstantinos Katsanos, Stavros Spiliopoulos, Lazaros Reppas, Dimitris Karnabatidis
Traditional percutaneous balloon angioplasty and stent placement is based on mechanical plaque disruption and displacement within the arterial wall. On the contrary, transcatheter atherectomy achieves atherosclerotic plaque clearance by means of directional plaque excision or rotational plaque removal or laser plaque ablation. Debulking atherectomy may allow for a more uniform angioplasty result at lower pressures with consequently less vessel barotrauma and improved luminal gain, thereby decreasing the risk of plaque recoil and dissection that may require permanent metal stenting...
July 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28446975/current-status-of-spray-cryotherapy-for-airway-disease
#14
REVIEW
Ryan F Moore, Deacon J Lile, Abbas E Abbas
The use of liquid nitrogen to treat skin and mucosal lesions is well understood in the dermatologic and gastrointestinal literature. Direct spray cryotherapy (SCT) in the airway has shown promising results in the treatment of esophageal premalignant and even invasive lesions. In the airway, several studies have shown it to be a safe, effective treatment for both benign and malignant disease. It is easily administered in the outpatient setting and can be repeated several times without undue side effects. In this article, we review the current literature on the use of SCT for the treatment of endobronchial lesions and also describe our own institutional experience of the use of SCT in the airway...
March 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28407831/-a-meta-analysis-of-the-efficacy-of-high-frequency-oscillatory-ventilation-versus-conventional-mechanical-ventilation-for-treating-pediatric-acute-respiratory-distress-syndrome
#15
Jun-Ying Qiao, Yuan-Zhe Li, He-Yi Wang, Shuai-Dan Zhang
OBJECTIVE: To systematically assess the clinical efficacy of high-frequency oscillatory ventilation (HFOV) and conventional mechanical ventilation (CMV) for treating pediatric acute respiratory distress syndrome (ARDS). METHODS: Data from randomized controlled trials comparing HFOV and CMV in the treatment of pediatric ARDS published before July 2016 were collected from the Cochrane Library, PubMed, Medline, CNKI, and Wanfang Data. Literature screening, data extraction, and quality assessment were performed by two independent reviewers according to the inclusion and exclusion criteria...
April 2017: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://www.readbyqxmd.com/read/28396118/superoxide-and-hydrogen-peroxide-counterregulate-myogenic-contractions-in-renal-afferent-arterioles-from-a-mouse-model-of-chronic-kidney-disease
#16
Lingli Li, En Yin Lai, Zaiming Luo, Glenn Solis, Kathy K Griendling, W Robert Taylor, Pedro A Jose, Anton Wellsten, William J Welch, Christopher S Wilcox
Myogenic contractions protect kidneys from barotrauma but are impaired in chronic kidney disease (CKD). Since myogenic contractions are enhanced by superoxide but impaired by hydrogen peroxide, we tested the hypothesis that they are counterregulated by superoxide and H2O2 from NOX2/p47phox and/or NOX4/POLDIP2 in CKD. Myogenic contraction in isolated perfused afferent arterioles from mice with surgical 5/6 nephrectomy or sham operations fed a 6% sodium chloride diet was measured directly while superoxide and H2O2 were measured by fluorescence microscopy...
April 7, 2017: Kidney International
https://www.readbyqxmd.com/read/28328587/bedside-breath-wise-visualization-of-bronchospasm-by-electrical-impedance-tomography-could-improve-perioperative-patient-safety-a-case-report
#17
Pedro de la Oliva, Andreas D Waldmann, Stephan H Böhm, Cristina Verdú-Sánchez, Antonio Pérez-Ferrer, Elena Alvarez-Rojas
Bronchospasm appears in up to 4% of patients with obstructive lung disease or respiratory infection undergoing general anesthesia. Clinical examination alone may miss bronchospasm. As a consequence, subsequent (mis)treatment and ventilator settings could lead to pulmonary hyperinflation, hypoxia, hypercapnia, hypotension, patient-ventilator asynchrony, volutrauma, or barotrauma. Electrical impedance tomography (EIT), a new noninvasive technique, can potentially identify bronchospasms by determining regional expiratory time constants (τ) for each one of the pixels of a functional EIT image...
June 15, 2017: A & A Case Reports
https://www.readbyqxmd.com/read/28323236/rationale-study-design-and-analysis-plan-of-the-lung-imaging-morphology-for-ventilator-settings-in-acute-respiratory-distress-syndrome-study-live-study-study-protocol-for-a-randomised-controlled-trial
#18
Matthieu Jabaudon, Thomas Godet, Emmanuel Futier, Jean-Étienne Bazin, Vincent Sapin, Laurence Roszyk, Bruno Pereira, Jean-Michel Constantin
Different acute respiratory distress syndrome (ARDS) phenotypes may explain controversial results in clinical trials. Lung-morphology is one of the ARDS-phenotypes and physiological studies suggest different responses in terms of positive-end-expiratory-pressure (PEEP) and recruitment-manoeuvres (RM) according to loss of aeration. To evaluate whether tailored ventilator regimens may impact ARDS outcomes, our group has designed a randomised-clinical-trial of ventilator settings according to lung morphology in moderate-to-severe ARDS (LIVE study)...
March 18, 2017: Anaesthesia, Critical Care & Pain Medicine
https://www.readbyqxmd.com/read/28322416/effect-of-intensive-vs-moderate-alveolar-recruitment-strategies-added-to-lung-protective-ventilation-on-postoperative-pulmonary-complications-a-randomized-clinical-trial
#19
RANDOMIZED CONTROLLED TRIAL
Alcino Costa Leme, Ludhmila Abrahao Hajjar, Marcia S Volpe, Julia Tizue Fukushima, Roberta Ribeiro De Santis Santiago, Eduardo A Osawa, Juliano Pinheiro de Almeida, Aline Muller Gerent, Rafael Alves Franco, Maria Ignez Zanetti Feltrim, Emília Nozawa, Vera Regina de Moraes Coimbra, Rafael de Moraes Ianotti, Clarice Shiguemi Hashizume, Roberto Kalil Filho, Jose Otavio Costa Auler, Fabio Biscegli Jatene, Filomena Regina Barbosa Gomes Galas, Marcelo Britto Passos Amato
Importance: Perioperative lung-protective ventilation has been recommended to reduce pulmonary complications after cardiac surgery. The protective role of a small tidal volume (VT) has been established, whereas the added protection afforded by alveolar recruiting strategies remains controversial. Objective: To determine whether an intensive alveolar recruitment strategy could reduce postoperative pulmonary complications, when added to a protective ventilation with small VT...
April 11, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28288287/airway-necrosis-and-barotrauma-after-ecstasy-mdma-inhalation
#20
Evi Van den Kerckhove, Laurence Roosens, Vasiliki Siozopoulou, Walter Verbrugghe, Jelle Aerts, Jef Huyskens, Hannelore Raemen, Philippe G Jorens
No abstract text is available yet for this article.
March 13, 2017: American Journal of Respiratory and Critical Care Medicine
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