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https://www.readbyqxmd.com/read/29904804/headache-attributed-to-airplane-travel-a-review-of-literature
#1
REVIEW
Hida Nierenburg, Katelin Jackfert
PURPOSE OF REVIEW: Headaches due to airplane travel are rare but documented in the literature. We aim to provide a review of diagnostic criteria and treatment for this condition. RECENT FINDINGS: Several cases of this syndrome have been reported since it was first described in 2004. Airplane headache is classified as unilateral, stabbing, orbito-frontal pain, lasting under 30 min, and occurs during ascent or descent of a plane. Patients with this condition can develop anxiety and fear of flying given the intensity and severity of the pain...
June 14, 2018: Current Pain and Headache Reports
https://www.readbyqxmd.com/read/29902600/contralateral-hearing-loss-after-resection-of-vestibular-schwannoma-in-a-case-of-neurofibromatosis-type-2-case-report-and-literature-review
#2
Manjul Tripathi, Ayusman Satapathy, Ravi Bharatbhai Chauhan, Aman Batish, Sunil K Gupta
BACKGROUND: Resection of a vestibular schwannoma may result in facial paralyiss and hearing loss on the side of tumor. Authors have encountered a young female of neurofibromatosis type 2, who developed contralateral side sensorineural hearing loss immediately after resection of vestibular schwannoma.The patient regained partial hearing with a short course (2 months) of steroid therapy over 6 month. MATERIAL AND METHODS: Clinical, audiological, intraoperative events and radiological parameters were evaluated in this case...
June 11, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29888379/rhinologic-and-oral-maxillofacial-complications-from-scuba-diving-a-systematic-review-with-recommendations
#3
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/29850168/non-intubated-anaesthetic-technique-in-open-bilobectomy-in-a-patient-with-severely-impaired-lung-function
#4
Zsolt Szabó, Tamás Tanczos, Gábor Lebak, Zsolt Molnár, József Furák
General anaesthesia has been the most commonly used method for almost all types of thoracic surgery. Recently, there has been a growing interest in non-intubated anaesthetic techniques. The rationale being, to prevent complications related to general anaesthesia and positive pressure ventilation such as barotrauma or ventilation-perfusion mismatch. We present a case with severely impaired forced expiration volume (26%), carbon monoxide diffusing capacity (26%) and VO2 max (13.9 mL/kg/min). According to current guidelines, this patient was suitable to undergo one-lung ventilation only with high risk of morbidity and mortality...
April 2018: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/29849252/facial-baroparesis-mimicking-stroke
#5
Diann M Krywko, D Tyler Clare, Mohamad Orabi
We report a case of a 55-year-old male who experienced unilateral facial muscle paralysis upon ascent to altitude on a commercial airline flight, with resolution of symptoms shortly after descent. The etiology was determined to be facial nerve barotrauma, or facial baroparesis, which is a known but rarely reported complication of scuba diving, with even fewer cases reported related to aviation. The history and proposed pathogenesis of this unique disease process are described.
May 2018: Clinical practice and cases in emergency medicine
https://www.readbyqxmd.com/read/29794455/diagnosis-and-treatment-of-perilymphatic-fistula
#6
Arnaud Deveze, Han Matsuda, Maya Elziere, Tetsuo Ikezono
Perilymphatic fistula (PLF) is defined as an abnormal communication between the fluid (perilymph)-filled space of the inner ear and the air-filled space of the middle ear and mastoid, or cranial spaces. PLF is located in the round or oval window, fractured bony labyrinth, microfissures, anomalous footplate, and can occur after head trauma or barotrauma, chronic inflammation, or in otic capsule dehiscence. This clinical entity was initially proposed more than a century ago, yet it has remained a topic of controversy for more than 50 years...
2018: Advances in Oto-rhino-laryngology
https://www.readbyqxmd.com/read/29793604/influence-of-xenon-on-pulmonary-mechanics-and-lung-aeration-in-patients-with-healthy-lungs
#7
M S Schaefer, T A Treschan, J Gauch, M Neukirchen, P Kienbaum
BACKGROUND: The anaesthetic xenon shows potent organ-protective properties. Due to high density and dynamic viscosity, peak inspiratory pressure (Pmax ) increases during xenon application. Thus, barotrauma may counteract organ protection. Accordingly, we investigated the influence of xenon on lung mechanics and lung aeration in patients with normal and reduced thoracic wall compliance. METHODS: After registration and ethical approval, 20 patients free of pulmonary disease undergoing routine xenon-based anaesthesia were mechanically ventilated...
June 2018: British Journal of Anaesthesia
https://www.readbyqxmd.com/read/29763367/hsp70-protects-rats-and-hippocampal-neurons-from-central-nervous-system-oxygen-toxicity-by-suppression-of-no-production-and-nf-%C3%AE%C2%BAb-activation
#8
Hongjie Yi, Guoyang Huang, Kun Zhang, Shulin Liu, Weigang Xu
During diving, central nervous system oxygen toxicity may cause drowning or barotrauma, which has dramatically limited the working benefits of hyperbaric oxygen in underwater operations and clinical applications. The aim of this study is to understand the effects and the underlying mechanism of heat shock protein 70 on central nervous system oxygen toxicity and its mechanisms in vivo and in vitro. Rats were given geranylgeranylacetone (800 mg/kg) orally to induce hippocampal expression of heat shock protein 70 and then treated with hyperbaric oxygen...
May 2018: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/29762314/effectiveness-of-dexmedetomidine-versus-propofol-on-extubation-times-length-of-stay-and-mortality-rates-in-adult-cardiac-surgery-patients-a-systematic-review-and-meta-analysis
#9
John Nguyen, Noel Nacpil
OBJECTIVE: To determine the effects of dexmedetomidine versus propofol on extubation time, intensive care unit (ICU) length of stay, total hospital length of stay and in-hospital mortality rates in cardiac surgery patients. INTRODUCTION: Recovery from cardiovascular surgery involves weaning from mechanical ventilation. Mechanical ventilation decreases the work of breathing for patients by inhaling oxygen and exhaling carbon dioxide via a ventilator or breathing machine...
May 2018: JBI Database of Systematic Reviews and Implementation Reports
https://www.readbyqxmd.com/read/29746270/evidence-regarding-the-use-of-bubble-continuous-positive-airway-pressure-in-the-extremely-low-birth-weight-infant-benefits-challenges-and-implications-for-nursing-practice
#10
Samantha Alessi
BACKGROUND: Gentle ventilation with optimal oxygenation is integral to prevention of chronic lung disease in the extremely low birth-weight (ELBW) infant. Various types of noninvasive ventilation are used in neonatal intensive care units worldwide. Bubble continuous positive airway pressure (BCPAP) has been in use in newborn intensive care since 1975. PURPOSE: To synthesize the current evidence on the use of BCPAP in the ELBW infant and its relationship to outcomes, particularly morbidity and mortality...
June 2018: Advances in Neonatal Care: Official Journal of the National Association of Neonatal Nurses
https://www.readbyqxmd.com/read/29616357/preliminary-experience-on-the-safety-and-tolerability-of-mechanical-insufflation-exsufflation-in-subjects-with-artificial-airway
#11
Miguel Sánchez-García, Passio Santos, Gema Rodríguez-Trigo, Fernando Martínez-Sagasti, Tomás Fariña-González, Ángela Del Pino-Ramírez, Carlos Cardenal-Sánchez, Beatriz Busto-González, Mónica Requesens-Solera, Mercedes Nieto-Cabrera, Francisco Romero-Romero, Antonio Núñez-Reiz
BACKGROUND: Catheter suctioning of respiratory secretions in intubated subjects is limited to the proximal airway and associated with traumatic lesions to the mucosa and poor tolerance. "Mechanical insufflation-exsufflation" exerts positive pressure, followed by an abrupt drop to negative pressure. Potential advantages of this technique are aspiration of distal airway secretions, avoiding trauma, and improving tolerance. METHODS: We applied insufflation of 50 cmH2 O for 3 s and exsufflation of - 45 cmH2 O for 4 s in patients with an endotracheal tube or tracheostomy cannula requiring secretion suctioning...
April 3, 2018: Intensive Care Medicine Experimental
https://www.readbyqxmd.com/read/29595579/prevention-of-otic-barotrauma-in-aviation-a-systematic-review
#12
Peter Ryan, Alexander Treble, Nirmal Patel, Nicholas Jufas
OBJECTIVE: To conduct a systematic review of the published evidence relating to the prevention of otic barotrauma in aviation. In particular, this review sought to identify procedures, techniques, devices, and medications for the prevention of otic barotrauma as well as evaluate the evidence relating to their efficacy. DATA SOURCES: Ten databases including Embase, MEDLINE, the Cochrane Database of Systematic Reviews, and the Cochrane Central Register of Controlled Trials were searched using the full historical range...
June 2018: Otology & Neurotology
https://www.readbyqxmd.com/read/29595532/development-of-an-ex-situ-limb-perfusion-system-for-a-rodent-model
#13
Emre Gok, Fares Alghanem, Ruth Moon, Erin Guy, Alvaro Rojas-Pena, Robert H Bartlett, Kagan Ozer
Ex-situ perfusion (ESP) is a promising method in preserving vascularized composite tissue allografts (VCAs) with potential to widen donor procurement to larger geographic areas. To optimize the method of preservation, we developed a small animal model to conduct biomolecular investigations. Twenty rat hind limbs (18.2 ± 1.3 g) were procured and connected to our custom-made ESP system. Perfusion pressure and flow parameters were measured with hourly blood gas analysis under near-normothermic (30-35˚C) conditions...
March 26, 2018: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
https://www.readbyqxmd.com/read/29571230/analysis-of-factors-related-to-failure-in-the-pressure-test-a-six-year-experience-in-taiwan
#14
Wei-Shih Tseng, Man-Yuan Huang, Hui-Chieh Lee, Wen-Shyan Huang, Bor-Hwang Kang
Introduction: The Republic of China Navy instituted the pressure test as one of the selection tools for diving troops and submarine crews. We analyzed factors associated with failure in the pressure test. Methods: This was a retrospective cohort study designed to investigate pressure test failure in Navy recruits between January 2010 and August 2015. The recruits received pressurization in a hyperbaric chamber to a simulated depth of 112 feet of seawater (fsw) at a rate of 25 fsw/minute...
January 2018: Undersea & Hyperbaric Medicine: Journal of the Undersea and Hyperbaric Medical Society, Inc
https://www.readbyqxmd.com/read/29571228/an-anti-barotrauma-system-for-preventing-barotrauma-during-hyperbaric-oxygen-therapy
#15
Moon Song, Se Jeon Hoon, Tae Min Shin
In the present study, a tympanometry-based anti-barotrauma (ABT) device was designed using eardrum admittance measurements to develop an objective method of preventing barotrauma that occurs during hyperbaric oxygen (HBO₂) therapy. The middle ear space requires active equalization, and barotrauma of these tissues during HBO₂therapy constitutes the most common treatment-associated injury. Decongestant nasal sprays and nasal steroids are used, but their efficacy is questionable to prevent middle ear barotrauma (MEB) during HBO₂ treatment...
January 2018: Undersea & Hyperbaric Medicine: Journal of the Undersea and Hyperbaric Medical Society, Inc
https://www.readbyqxmd.com/read/29553050/molecular-mechanisms-of-ventilator-induced-lung-injury
#16
REVIEW
Lin Chen, Hai-Fa Xia, You Shang, Shang-Long Yao
Objective: Mechanical ventilation (MV) has long been used as a life-sustaining approach for several decades. However, researchers realized that MV not only brings benefits to patients but also cause lung injury if used improperly, which is termed as ventilator-induced lung injury (VILI). This review aimed to discuss the pathogenesis of VILI and the underlying molecular mechanisms. Data Sources: This review was based on articles in the PubMed database up to December 2017 using the following keywords: "ventilator-induced lung injury", "pathogenesis", "mechanism", and "biotrauma"...
May 20, 2018: Chinese Medical Journal
https://www.readbyqxmd.com/read/29518848/-acute-respiratory-failure-due-to-pneumocystis-pneumonia-in-connective-tissue-disease-patients-clinical-manifestation-and-prognostic-factors-related-to-hospital-mortality
#17
X Huang, L Weng, L Yi, M Li, Y Y Feng, Y Tian, J G Xia, Q Y Zhan, B Du
Objective: To investigate the clinical manifestations and prognostic factors of hospital death in connective tissue disease patients with acute respiratory failure caused by pneumocystis pneumonia (PCP) admitted to two medical intensive care units(MICU). Methods: A retrospective review was conducted for all connective tissue disease (CTD) patients with acute respiratory failure from PCP in MICU of 2 academic medical centers between 2010 and 2015. The patients were divided into survivors and non-survivors. Demographic and clinical data, including laboratory, radiological and microbiological findings, as well as therapy, clinical course, mortality and prognostic factors of hospital mortality were included in the analysis...
March 12, 2018: Chinese Journal of Tuberculosis and Respiratory Diseases
https://www.readbyqxmd.com/read/29502731/controversies-in-the-evaluation-and-management-of-otosclerosis
#18
REVIEW
John T McElveen, J Walter Kutz
Controversies have been associated with the etiology, diagnosis, evaluation, and management of otosclerosis since Valsalva first described stapes fixation as a cause of hearing loss. Although the exact mechanism of the bone remodeling associated with otosclerosis remains uncertain, stapedotomy has been accepted as the surgical treatment of most patients with stapedial otosclerosis. There remains a disparity of opinion, however, regarding the role of preoperative imaging, surgical technique, implant selection, and medical therapy for cochlear otosclerosis...
April 2018: Otolaryngologic Clinics of North America
https://www.readbyqxmd.com/read/29466051/effect-of-a-syringe-aspiration-technique-versus-a-mechanical-suction-technique-and-use-of-n-butylscopolammonium-bromide-on-the-quantity-and-quality-of-bronchoalveolar-lavage-fluid-samples-obtained-from-horses-with-the-summer-pasture-endophenotype-of-equine
#19
COMPARATIVE STUDY
Jacquelyn E Bowser, Lais R R Costa, Alba U Rodil, Christine T Lopp, Melanie E Johnson, Robert W Wills, Cyprianna E Swiderski
OBJECTIVE To evaluate the effect of 2 bronchoalveolar lavage (BAL) sampling techniques and the use of N-butylscopolammonium bromide (NBB) on the quantity and quality of BAL fluid (BALF) samples obtained from horses with the summer pasture endophenotype of equine asthma. ANIMALS 8 horses with the summer pasture endophenotype of equine asthma. PROCEDURES BAL was performed bilaterally (right and left lung sites) with a flexible videoendoscope passed through the left or right nasal passage. During lavage of the first lung site, a BALF sample was collected by means of either gentle syringe aspiration or mechanical suction with a pressure-regulated wall-mounted suction pump...
March 2018: American Journal of Veterinary Research
https://www.readbyqxmd.com/read/29460254/diagnosis-of-arterial-gas-embolism-in-scuba-diving-modification-suggestion-of-autopsy-techniques-and-experience-in-eight-cases
#20
Josep M Casadesús, Fernando Aguirre, Ana Carrera, Pere Boadas-Vaello, Maria T Serrando, Francisco Reina
The purpose of this study was to suggest modifications of autopsy techniques in order to improve post-mortem diagnosis of arterial gas embolism (AGE) based on multidisciplinary investigation of SCUBA diving fatalities. Five adult human cadavers from the voluntary donation program of the Human Anatomy Laboratory, and eight judicial autopsied bodies of SCUBA divers from the Forensic Pathology Service were assessed. Before performing any autopsies, we accessed the diving plan and the divers' profiles for each case...
March 2018: Forensic Science, Medicine, and Pathology
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