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Difficult airway management practice patterns among anesthesiologists practicing in the United States: have we made
Tiberiu Ezri1, Peter Szmuk, R David Warters
1Department of Anesthesiology, The University of Texas-Houston Medical School, 6431 Fannin, Houston, TX 77030, USA.
Study Objective:
To determine the extent instruction and practice in the use of airway devices and techniques varies among anesthesiologists practicing in the United States.
Design:
Survey questionnaire.
Setting:
University medical center.
Measurements:
Questionnaires were completed by American-trained anesthesiologists who attended the 1999 American Society of Anesthesiologists (ASA) Annual Meeting. Data collected included demographics, education, skills with airway devices/techniques, management of clinical difficult airway scenarios, and the use of the ASA Difficult Airway Algorithm.
Main Results:
1) DEMOGRAPHICS: 452 questionnaires were correctly completed; 62% attending anesthesiologists, 70% <50 years, 81% males, 44% from academic institutions, 63% >10 years of practice, 81% night duty, 77% board certified. 2) Education: 71% had at least one educational modality: difficult airway rotation, workshops, conferences, books, and simulators. 3) Skills: Miller blade 61%, Bullard laryngoscope 32%, LMA 86%, Combitube 43%, bougie 43%, exchangers 47%, cuffed oropharyngeal airway (COPA) 34%, retrograde 41%, transtracheal needle jet ventilation 34%, cricothyrotomy 21%, fiberoptics 59%, and blind nasal intubation 78%. The average reported use of special airway devices/techniques was 47.5%. 4) Management choices: failed intubation/ventilation: LMA (81%) and for all other situations: fiberoptic intubation. Use of ASA Difficult Airway Algorithm in clinical practice (86%).
Conclusion:
Fiberoptic intubation and the LMA are most popular in management of the difficult airway.
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