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Anesthesia ventilator

Divya Jain, Babita Ghai, Komal Gandhi, Gargi Banerjee, Indu Bala, Ram Samujh
BACKGROUND: A previous study by our group demonstrated an increase in oropharyngeal leak pressures and a deterioration of ventilation in maximum neck flexion with the I-Gel(™) . To ascertain the optimal degree of neck flexion which increases OPLP without compromising ventilation we conducted a prospective self-controlled trial with the I-Gel(™) in different degrees of neck flexion in anesthetized paralyzed children. METHODOLOGY: The I-gel(™) was inserted in 60 children undergoing inhalation induction with muscle paralysis for routine general anesthesia...
October 25, 2016: Paediatric Anaesthesia
Chris Durkin, Travis Schisler, Jens Lohser
PURPOSE OF REVIEW: Despite marked improvements in perioperative outcomes, esophagectomy continues to be a high-risk operation associated with significant morbidity and mortality. Progress has been achieved through evidence-based changes in preoperative optimization, intraoperative ventilation strategies, fluid therapy, and analgesia, as well as expedited postoperative recovery pathways. This review will summarize the recent literature on the anesthetic management of patients undergoing esophageal resection...
October 18, 2016: Current Opinion in Anaesthesiology
Jenny Feldman Eskildsen, Brian D Thorp, Hemanth A Baboolal
Management of anesthesia for a child with an upper airway foreign body is fraught with particular challenges. We present the case of a 3-year-old girl who presented to the emergency department with a 12-cm sewing needle protruding from her mouth and unknown vascular involvement. We were faced with establishing a secure airway despite exclusion of mask ventilation or use of a laryngeal mask airway. Moreover, peripheral intravenous access was lost before adequate sedation. Ultimately, we were able to safely induce anesthesia and achieve endotracheal intubation...
October 5, 2016: A & A Case Reports
Göran Hedenstierna, Lennart Edmark
No abstract text is available yet for this article.
September 30, 2016: Anesthesiology
Julia Scheiermann, Dennis M Klinman
BACKGROUND: Mechanical ventilation (MV) is commonly used to improve blood oxygenation in critically ill patients and for general anesthesia. Yet the cyclic mechanical stress induced at even moderate ventilation volume settings [tidal volume (Vt) <10 mL/kg] can injure the lungs and induce an inflammatory response. This work explores the effect of treatment with suppressive oligonucleotides (Sup ODN) in a mouse model of ventilator-induced lung injury (VILI). METHODS: Balb/cJ mice were mechanically ventilated for 4 h using clinically relevant Vt and a positive end-expiratory pressure of 3 cmH2O under 2-3% isoflurane anesthesia...
September 2016: Journal of Thoracic Disease
Geetha C Rajappa, Leena Harshad Parate, C A Tejesh, P T Prathima
BACKGROUND: Mask ventilation (MV) is an essential basic life support skill. We used chin lift maneuver for MV and named as modified chin lift technique (MCL). EC technique is most common technique used for MV. AIMS: The aim of this study is to compare the efficacy of both techniques for MV in term of expired tidal volume (TV). Secondarily, we also assessed the effect of experience on the performance of these both techniques. SETTINGS AND DESIGN: The study area was operation theater of our hospital...
September 2016: Anesthesia, Essays and Researches
S Parthasarathy, R Sripriya, N Krishnaveni
Intestinal obstruction is associated with significant morbidity and mortality. Scientific assessment of the cause, site of obstruction, appropriate correction of the fluid deficit and electrolyte imbalance with preoperative stabilization of blood gases is ideal as a preoperative workup. Placement of a preoperative epidural catheter especially in the thoracic interspace takes care of perioperative pain and stress reduction. Intraoperative management by controlled general anesthesia administering a relative high inspired fraction of oxygen with invasive monitoring in selected sick cases is mandatory...
September 2016: Anesthesia, Essays and Researches
Sarah E Bigby, Jennifer E Carter, Sébastien Bauquier, Thierry Beths
Anesthesia protocols for patients with intracranial lesions need to provide hemodynamic stability, preserve cerebrovascular autoregulation, avoid increases in intracranial pressure, and facilitate a rapid recovery. Propofol total intravenous anesthesia (TIVA) maintains cerebral blood flow autoregulation and is considered superior to inhalant agents as an anesthetic protocol for patients with intracranial lesions. A propofol-based TIVA subsequent to premedication with medetomidine and diazepam was used in a king penguin ( Aptenodytes patagonicus ) undergoing magnetic resonance imaging of the brain after a new onset of seizures...
September 2016: Journal of Avian Medicine and Surgery
Sarah Townsend, Michelle L Oblak, Ameet Singh, Michele A Steffey, Jeffrey J Runge
OBJECTIVE: To report the diagnosis, treatment, and short-term outcome in dogs with suspected persistent right aortic arch (PRAA) undergoing thoracoscopy with concurrent esophagoscopy. STUDY DESIGN: Multi-institutional retrospective case series. ANIMALS: Dogs with suspected PRAA (n=9). METHODS: Medical records were reviewed from 2012 to 2016. Dogs undergoing thoracoscopy for PRAA at 3 referral hospitals were included...
October 12, 2016: Veterinary Surgery: VS
Mohamed Ghalayini, Pierre-Yves Brun, Pascal Augustin, Elise Guivarch, Marie Pierre Dilly, Sophie Provenchere, Pierre Mordant, Yves Castier, Philippe Montravers, Dan Longrois
Competitive flows syndrome result in severe regional hypoxemia when the deoxygenated flow from the native left ventricle (LV) competes with oxygenated flow from extracorporeal life support (ECLS) pump with potentially severe consequences for the cerebral and coronary circulations. Fast correction of hypoxemia could be obtained by decreasing native LV flow by infusion of a short-acting beta-blocker (esmolol). Our purpose was to retrospectively review the efficacy of esmolol in this situation and hypothesize on the potential mechanisms of action and the associated risks...
September 2016: Journal of Extra-corporeal Technology
J Ulrici, G Hempel, M Sasse, J Vollrath, C Höhne
BACKGROUND: Overweight and obesity are increasing problems in pediatric anesthesia. This observational study was designed to examine how airway-related complications occur in overweight children and adolescents during general anesthesia and if this is a relevant problem in Germany. METHODS: From October 2008 until August 2009, at the university clinic in Leipzig, 504 in- and outpatients, aged 2-18 years, ASA I-III, undergoing elective procedures (ENT and pediatric surgery), were observed...
October 10, 2016: Der Anaesthesist
Seong-Hoon Seok, Dong-Hyuk Jeong, Il-Hwa Hong, Hee-Chun Lee, Seong-Chan Yeon
Anesthesia is an inevitably important component of diagnosis and treatments examining the health condition of wild animals. Not only does anesthesia become an essential tool in minimizing stress of the patients and providing an opportunity to deliver accurate and safe procedures, but it also ensures the safety of the medical crew members. This study was conducted to investigate the dose-response cardiorespiratory effects of isoflurane during spontaneous ventilation in ten cinereous vultures. Each bird was administered isoflurane at initial concentration of 1...
September 30, 2016: Journal of Veterinary Medical Science
Dong-Hyuk Jeong, Jeong-Jin Yang, Seong-Hoon Seok, Dong-Joo Song, Seong-Chan Yeon
The objective of this study was to determine the dose-dependent effects of isoflurane on various cardiovascular parameters and the stable range of isoflurane concentrations in Asiatic black bears (Ursus thibetanus). Seven Asiatic black bears were intramuscularly injected with medetomidine, zolazepam, and tiletamine (MZT) to induce anesthesia and anesthesia was maintained by administering isoflurane in 100% oxygen (4 l/min) without mechanical ventilation. Several cardiovascular parameters were measured at five end-tidal isoflurane concentrations (0...
September 30, 2016: Journal of Veterinary Medical Science
YanQiu Liu, YiMin Ren, Hong Gao, Li Zeng, ShaoFeng Lin, KaiQiang Zhang
OBJECTIVE: This research studied the influence of different blood lipid components on the rate of alveolar-capillary uptake of sevoflurane. METHOD: 104 patients aged 20 - 50 years undergoing elective operations under general anesthesia were mechanically ventilated through endotracheal intubation after intravenous injections of midazolam, vecuronium, fentanyl, and etomidate. They inhaled 2% sevoflurane at an oxygen flow of 2 L/min, then the inspired concentrations (FI) and expired concentrations (FA of sevoflurane were recorded at 1, 3, 5, 7, 10, 15, 20, and 30 minutes...
October 10, 2016: International Journal of Clinical Pharmacology and Therapeutics
Mostafa Somri, Sonia Vaida, Gustavo Garcia Fornari, Gabriela Renee Mendoza, Pedro Charco-Mora, Naser Hawash, Ibrahim Matter, Forat Swaid, Luis Gaitini
BACKGROUND: The Laryngeal Tube Suction Disposable (LTS-D) and the Supreme Laryngeal Mask Airway (SLMA) are second generation supraglottic airway devices (SADs) with an added channel to allow gastric drainage. We studied the efficacy of these devices when using pressure controlled mechanical ventilation during general anesthesia for short and medium duration surgical procedures and compared the oropharyngeal seal pressure in different head and-neck positions. METHODS: Eighty patients in each group had either LTS-D or SLMA for airway management...
October 6, 2016: BMC Anesthesiology
Giovanni Landoni, Antonio Pisano, Vladimir Lomivorotov, Gabriele Alvaro, Ludhmila Hajjar, Gianluca Paternoster, Caetano Nigro Neto, Nicola Latronico, Evgeny Fominskiy, Laura Pasin, Gabriele Finco, Rosetta Lobreglio, Maria Luisa Azzolini, Giuseppe Buscaglia, Alberto Castella, Marco Comis, Adele Conte, Massimiliano Conte, Francesco Corradi, Erika Dal Checco, Giovanni De Vuono, Marco Ganzaroli, Eugenio Garofalo, Gordana Gazivoda, Rosalba Lembo, Daniele Marianello, Martina Baiardo Redaelli, Fabrizio Monaco, Valentina Tarzia, Marta Mucchetti, Alessandro Belletti, Paolo Mura, Mario Musu, Giovanni Pala, Massimiliano Paltenghi, Vadim Pasyuga, Desiderio Piras, Claudio Riefolo, Agostino Roasio, Laura Ruggeri, Francesco Santini, Andrea Székely, Luigi Verniero, Antonella Vezzani, Alberto Zangrillo, Rinaldo Bellomo
OBJECTIVE: Of the 230 million patients undergoing major surgical procedures every year, more than 1 million will die within 30 days. Thus, any nonsurgical interventions that help reduce perioperative mortality might save thousands of lives. The authors have updated a previous consensus process to identify all the nonsurgical interventions, supported by randomized evidence, that may help reduce perioperative mortality. DESIGN AND SETTING: A web-based international consensus conference...
August 2, 2016: Journal of Cardiothoracic and Vascular Anesthesia
Joanne F Irons, Lachlan F Miles, Kaustuv R Joshi, Andrew A Klein, Marco Scarci, Piergiorgio Solli, Guillermo Martinez
OBJECTIVE: General anesthesia with endobronchial intubation and one-lung positive-pressure ventilation always has been considered mandatory for thoracic surgery. Recently, there has been interest in nonintubated techniques for video-assisted thoracoscopic surgery (VATS) in awake and sedated patients. The authors' center developed a nonintubated technique with spontaneous ventilation with the patient under general anesthesia using a supraglottic airway device. The authors believe that this was the first study to compare a nonintubated general anesthetic technique with an intubated general anesthetic technique for VATS...
July 7, 2016: Journal of Cardiothoracic and Vascular Anesthesia
Ricardo Fuentes, Juan Carlos De la Cuadra, Hector Lacassie, Alejandro González
: Neonates and small infants with craniofacial malformation may be very difficult or impossible to mask ventilate or intubate. We would like to report the fiberoptic intubation of a small infant with Treacher Collins Syndrome using the technique described by Ellis et al. CASE REPORT: An one month-old infant with Treacher Collins Syndrome was scheduled for mandibular surgery under general endotracheal anesthesia. Direct laryngoscopy for oral intubation failed to reveal the glottis...
September 27, 2016: Revista Brasileira de Anestesiologia
Thomas M Langer, Suzanne E Neumueller, Emma Crumley, Nicholas J Burgraff, Sawan Talwar, Matthew Robert Hodges, Lawrence G Pan, Hubert V Forster
Unilateral dialysis of the broad spectrum muscarinic receptor antagonist atropine (50 mM) into the ventral respiratory column (VRC; including the pre-Bӧtzinger Complex region) of awake goats increased pulmonary ventilation (V̇I) and breathing frequency (f), conceivably due to local compensatory increases in serotonin (5-HT) and substance P (SP) measured in effluent mock cerebral spinal fluid (mCSF). In contrast, unilateral dialysis of a triple cocktail of antagonists to muscarinic (atropine; 5 mM), neurokinin-1 (NK-1) and 5-HT2A receptors does not alter V̇I or f, but increases local SP...
September 29, 2016: Journal of Applied Physiology
Kaicheng Song, Jie Yi, Wei Liu, Shuang Huang, Yuguang Huang
STUDY OBJECTIVE: We sought to validate ultrasound against other established methods of confirming laryngeal mask airway (LMA) placement. DESIGN: An observational study. SETTING: A university teaching hospital, operating department. PATIENTS: Fifty-eight patients undergoing general anesthesia using an LMA Supreme supraglottic airway device. INTERVENTIONS: The position of the LMA was assessed by ultrasound in 3 planes: the pharynx, the larynx, and along the cranial-caudal axis in the midline...
November 2016: Journal of Clinical Anesthesia
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