Best practice & research. Clinical anaesthesiology
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Supraglottic airway devices are developed with increasing frequency following the overwhelming success of the laryngeal mask airway (LMA). Currently, the LMA, the ProSeal laryngeal mask airway (PLMA), the laryngeal tube (LT), the laryngeal tube with integrated suctioning tube (LTS) and the oesophageal tracheal combitube (OTC) are the best evaluated and most widespread devices. ⋯ LT and LTS are primarily intended as emergency airway devices, but have also been successfully used during controlled ventilation in adults. The OTC, though advocated for emergency as well as routine use, is limited by high airway morbidity and possible serious complications.
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The inability to secure the airway, with consequent failure of oxygenation and ventilation, is a life-threatening complication. Failure of oxygenation leads to hypoxia followed by brain damage, cardiovascular dysfunction, and finally death. Time is a very crucial factor in this context. ⋯ To minimize injury to the patient, the anesthesiologist should examine the patient's airway carefully, identify any potential problems, devise a plan that involves the least risk for injury, and have a back-up plan immediately available. Each anesthesiology department should establish guidelines/algorithms specific to their institution. Unfortunately, a reliable test for detecting all patients at risk does not exist.
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Best Pract Res Clin Anaesthesiol · Dec 2005
ReviewStrategies and algorithms for management of the difficult airway.
Management of the difficult airway is the most important patient safety issue in the practice of anaesthesia. Many national societies have developed algorithms and guidelines for management of the difficult airway. The key issues of this chapter are definition of terms, the advantages and disadvantages of the use of guidelines, and a comparison of different algorithms and guidelines for management of the most important clinical airway scenarios. Although there is no strong evidence of benefit for any specific strategy or algorithm for management of the difficult airway, there is strong agreement that a pre-planned strategy may lead to improved outcome.
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Best Pract Res Clin Anaesthesiol · Dec 2005
ReviewSafety culture and crisis resource management in airway management: general principles to enhance patient safety in critical airway situations.
Airway management is a cornerstone of patient safety in anaesthesiology and in emergency and critical care medicine. Deficiencies in airway management could have catastrophic results for the patient. In anaesthesia patients, in particular, a high level of safety should be expected. ⋯ Concepts of the high reliability organizations (HROs) are now ready to be adapted to medicine and offer promising improvements in health care. This paper applies some of the HRO principles to airway management and illustrates how to transform more general strategies to practical application in the clinical world. This includes the use of key elements of crisis resource management (CRM) and the development of a checklist for safety in airway management.
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Airway management involves far more than just proficiency with tracheal intubation techniques. There are several infraglottic techniques available and the method chosen will depend on the accessibility of equipment, the level of training and expertise, and the patient's specific injury or disease. Endotracheal intubation is most commonly performed by direct laryngoscopy. ⋯ Successful intubation, however, requires considerable experience, as in intubation techniques using flexible fibrescopes. Both the EasyTube and the Combitube serve as an infraglottic or a supraglottic airway. The tip of the EasyTube resembles the one of an endotracheal tube, whereas the Combitube is much more bulky.