• David Ferson and T Linda Chi.
• Department of Anesthesiology and Pain Medicine, The University of Texas M.D. Anderson Cancer Center, 1515 Holcombe Boulevard, Unit 42, Houston, TX 77030-4590, USA. dferson@mdanderson.org
• Thorac Surg Clin. 2005 Feb 1;15(1):39-53.

AbstractSince the 1970s, improvements in airway management have been significant. New imaging modalities such as CT and MRI can display airway structures with unparalleled detail, which improves preoperative planning and the treatment of patients with pathologic processes involving the respiratory tract or with difficult-to-manage airways. Because of the introduction of flexible fiberscopes, pulmonologists and thoracic surgeons can diagnose diseases of the respiratory tract effectively and treat patients with these diseases safely. The use of flexible fiberscopes has expanded rapidly into other medical specialties, including anesthesia and critical care. Modem anesthesiologists now use flexible fiberscopes daily to intubate patients safely, especially when traditional intubating techniques fail. The cost of fiberscopes has decreased dramatically, and their optical systems have improved. Several centers of excellence have been developed where clinicians can learn basic and advanced techniques of fiberoptic intubation. The LMA has shown that the supraglottic airway approach is not only feasible, but also in many situations superior to tracheal intubation. Although the LMA initially was recommended as an alternative to the facemask, its use has expanded, benefiting many children and adults undergoing a variety of diagnostic and therapeutic procedures. Use of an LMA in combination with a flexible fiberscope has opened up new possibilities for treating patients safely and effectively while providing optimal comfort during a procedure and has been particularly beneficial in thoracic surgery. The most recent iteration of the ASA Difficult Airway Algorithm has revised further a systematic approach to the clinical care of patients with different types of difficult-to-manage airways.

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