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By Jigar Desai Private practicing anesthesiologist with special interest in supraglottic Airway devices
José M Beleña, Ernesto Josué Ochoa, Mónica Núñez, Carlos Gilsanz, Alfonso Vidal
Laparoscopic cholecystectomy is one of the most commonly performed surgical procedures and the laryngeal mask airway (LMA) is the most common supraglottic airway device used by the anesthesiologists to manage airway during general anesthesia. Use of LMA has some advantages when compared to endotracheal intubation, such as quick and ease of placement, a lesser requirement for neuromuscular blockade and a lower incidence of postoperative morbididy. However, the use of the LMA in laparoscopy is controversial, based on a concern about increased risk of regurgitation and pulmonary aspiration...
November 27, 2015: World Journal of Gastrointestinal Surgery
Sun Kyung Park, Geum Ko, Geun Joo Choi, Eun Jin Ahn, Hyun Kang
BACKGROUND: Comparisons between the efficacies of supraglottic airway devices (SGAs) and endotracheal tubes (ETTs) in patients undergoing laparoscopic surgeries have yielded conflicting results. Therefore, in this meta-analysis, we compared the clinical performance and incidence of complications between SGAs and ETT intubation in laparoscopic surgery. METHODS: A comprehensive search was conducted using MEDLINE, EMBASE, the Cochrane Central Register of Controlled Trials, and Google Scholar to identify randomized controlled trials that compared SGAs with ETTs in laparoscopic surgery...
August 2016: Medicine (Baltimore)
Joanna Gordon, Richard M Cooper, Matteo Parotto
Supraglottic airway devices (SADs) have become an essential tool in airway management. Over the past three decades, these devices have been increasingly adopted as an alternative to face mask ventilation and/or endotracheal intubation. The range of proposed uses and features has increased significantly. They are used in pre- and in-hospital settings, elective and emergency anesthesia, in spontaneously breathing and ventilated patients, as conduits for intubation, as a bridge to extubation and for airway rescue...
March 2018: Minerva Anestesiologica
Joël L'Hermite, Elisabeth Dubout, Sophie Bouvet, Laure-Hélène Bracoud, Philippe Cuvillon, Jean-Emmanuel de La Coussaye, Jacques Ripart
BACKGROUND: Sore throat is a common complaint after surgery. It affects patient satisfaction and can affect activity after discharge. The supraglottic airway device (SAD) offers an alternative to traditional tracheal intubation with potential benefit in preventing sore throat. OBJECTIVE: The aim of this study was to compare the incidence of sore throat following three different SADs, the laryngeal mask airway Unique (LMA-U) and the more recent LMA Supreme (LMA-S) and the I-gel...
July 2017: European Journal of Anaesthesiology
J L D Thomsen, A K Nørskov, C V Rosenstock
Indications for using supraglottic airway devices have widened over time and they now hold a prominent role in guidelines for difficult airway management. We aimed to describe the use of supraglottic airway devices in difficult airway management. We included adult patients undergoing general anaesthesia registered in the Danish Anaesthesia Database from 2008 to 2012 whose airway management had been recorded as difficult, defined as: ≥ 3 tracheal intubation attempts; failed tracheal intubation; or difficult facemask ventilation...
February 2019: Anaesthesia
A A J Van Zundert, C M Kumar, T C R V Van Zundert
No abstract text is available yet for this article.
May 2016: British Journal of Anaesthesia
A A J Van Zundert, S P Gatt, C M Kumar, T C R V Van Zundert, J J Pandit
No abstract text is available yet for this article.
May 1, 2017: British Journal of Anaesthesia
H Landsdalen, M Berge, F Kristensen, A B Guttormsen, E Søfteland
No abstract text is available yet for this article.
July 2017: Acta Anaesthesiologica Scandinavica
José M Beleña, Mónica Núñez, Diego Anta, Maria Carnero, José L Gracia, José L Ayala, Raquel Alvarez, Javier Yuste
CONTEXT: A comparison of the efficacy and safety of the Laryngeal Mask Airway (LMA) Supreme (LMAS) versus the LMA Proseal (LMAP) in elective laparoscopic cholecystectomy. OBJECTIVES: To compare the LMAS with LMAP in terms of ventilatory efficacy, airway leak pressure (airway protection), ease-of-use and complications. DESIGN: Prospective, single-blind, randomised, controlled study. SETTING: The Hospital del Sureste and Hospital Ramon y Cajal, Madrid, between May 2009 and March 2011...
March 2013: European Journal of Anaesthesiology
Rakhee Goyal
Almost all supraglottic airways (SGAs) are now available in pediatric sizes. The availability of these smaller sizes, especially in the last five years has brought a marked change in the whole approach to airway management in children. SGAs are now used for laparoscopic surgeries, head and neck surgeries, remote anesthesia; and for ventilation during resuscitation. A large number of reports have described the use of SGAs in difficult airway situations, either as a primary or a rescue airway. Despite this expanded usage, there remains little evidence to support its usage in prolonged surgeries and in the intensive care unit...
October 2015: Journal of Anaesthesiology, Clinical Pharmacology
Amanda Nicholson, Tim M Cook, Andrew F Smith, Sharon R Lewis, Stephanie S Reed
BACKGROUND: The number of obese patients requiring general anaesthesia is likely to increase in coming years, and obese patients pose considerable challenges to the anaesthetic team. Tracheal intubation may be more difficult and risk of aspiration of gastric contents into the lungs is increased in obese patients. Supraglottic airway devices (SADs) offer an alternative airway to traditional tracheal intubation with potential benefits, including ease of fit and less airway disturbance. Although SADs are now widely used, clinical concerns remain that their use for airway management in obese patients may increase the risk of serious complications...
September 9, 2013: Cochrane Database of Systematic Reviews
C Putzke, M Max, G Geldner, H Wulf
A ProSeal laryngeal mask airway was used for anaesthesia for laparoscopic surgery in a 26 y old male patient with acute appendicitis. Perioperative aspiration of gastric contents resulted in severe ARDS. Invasive therapeutic options including ECMO had to be used to obtain full recovery. After critical evaluation of the chain of causation it must be postulated that an improper airway was chosen for an intervention that comprises a high risk of aspiration per se. Further risk factors were a long period of fasting, untimely removal of the mask before the patient regained full consciousness, the late confirmation of the diagnosis and the hesitant initial therapy...
August 2005: Anästhesiologie, Intensivmedizin, Notfallmedizin, Schmerztherapie: AINS
P Kumar, A Joshi
No abstract text is available yet for this article.
March 2015: Anaesthesia
Anthony M-H Ho, Manoj K Karmakar, Peter W Dion
The laryngeal mask airway (LMA) is now standard airway management equipment in prehospital and Emergency Department (ED) care. Most providers may not be able to match the pediatric LMA sizes to the appropriate weights of pediatric patients. The exact inflation volumes are also difficult to memorize. To overcome this problem, we propose the following equations: Weight (kg) of patient = 2(2 x LMA), where LMA is the size; cuff inflation volume (mL) = 5 x LMA.
October 2008: Journal of Emergency Medicine
Ana Licina, Neil A Chambers, Bruce Hullett, Thomas O Erb, Britta S von Ungern-Sternberg
BACKGROUND: Hyperinflation of laryngeal mask airway (LMA) cuffs may be harmful because of the exertion of high pressures on pharyngeal and laryngeal structures. Although cuff manometers may be used to monitor cuff pressure, their use is not routine in many institutions and clinical endpoints are used instead. Furthermore, it is common clinical practice to add air to the cuff in the presence of an air leak to obtain a better seal. METHODS: In a prospective audit, the authors assessed air leakage around pediatric sized LMAs (n = 200) following inflation guided by common clinical endpoints (slight outward movement of the LMA) and then following adjustment of the cuff pressure to the recommended pressure range (<60 cmH(2)O) according to institutional guidelines with the use of a calibrated cuff manometer, directly after induction of anesthesia...
October 2008: Paediatric Anaesthesia
Britta S von Ungern-Sternberg, Thomas O Erb, Neil A Chambers, Mairead Heaney
BACKGROUND: Hyperinflation of the laryngeal mask airway (LMA) cuff is known to be a risk factor for airway morbidity and increased leakage around the LMA. While the manufacturers' recommendation is to inflate the cuff with the maximum recommended volumes and/or to adjust the cuff pressure to <60 cmH2O, cuff pressures below 40 cmH2O have been shown to be associated with a minimal rate of sore throat and minimal leakage. However, it remains to be determined whether inflation or deflation is needed to achieve favorable pressures...
September 2009: Paediatric Anaesthesia
T Asai, T K Howell, K Koga, S Morris
We have compared size 3 and size 4 laryngeal masks in 30 females and size 4 and size 5 in 30 males for success rate of insertion, incidence of airleak and pressure exerted on the pharynx. First, the ex vivo volume-pressure relationship of the mask was obtained. Second, after insertion of a mask, the cuff was inflated with the recommended maximum volume of air and intracuff pressure measured. Third, the incidence of airleak during a steady airway pressure of 18 cm H2O was noted. Fourth, the cuff was deflated until it just prevented airleak, and cuff pressure was measured...
April 1998: British Journal of Anaesthesia
Won-Jung Shin, Yu-Seon Cheong, Hong-Seuk Yang, Tomoki Nishiyama
BACKGROUND AND OBJECTIVE: The I-gel is a new single-use supraglottic airway device without an inflatable cuff. This study was designed to investigate the usefulness of the I-gel compared with the classic laryngeal mask airway (cLMA) and ProSeal laryngeal mask airway (pLMA) in anaesthetized, paralysed patients. METHODS: The American Society of Anesthesiologists physical status I-II patients (n = 167) scheduled for orthopaedic surgery were included in this prospective study...
July 2010: European Journal of Anaesthesiology
E Bick, I Bailes, A Patel, A I J Brain
No abstract text is available yet for this article.
December 2014: Anaesthesia
J R Brimacombe, V Wenzel, C Keller
The use of the classic laryngeal mask airway (classic LMA) in the prone position is controversial, but the ProSeal laryngeal mask airway (ProSeal LMA) may be more suitable as it forms a better seal and provides access to the stomach. In the following retrospective audit, we describe our experience with the insertion of and maintenance of anaesthesia with, the ProSeal LMA in 245 healthy adults in the prone position by experienced users. The technique involved (1) the patient adopting the prone position with the head to the side and the table tilted laterally; (2) pre-oxygenation to end-tidal oxygen >90%; (3) induction of anaesthesia with midazolam/alfentanil/propofol; (4) facemask ventilation (5) a single attempt at digital insertion and if unsuccessful a single attempt at laryngoscope-guided, gum elastic bougie-guided insertion; (6) gastric tube insertion; (7) maintenance of anaesthesia with sevoflurane/O/N2O; (8) volume controlled ventilation at 8-12 ml/kg; (9) emergence from anaesthesia in the supine position; and (10) removal ofthe ProSeal LMA when awake...
April 2007: Anaesthesia and Intensive Care
2014-08-03 04:11:54
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