Key result
Otorhinolaryngological surgery is linked to a ~0.05% cardiac arrest rate, especially during deliberate hypotension.
Surgery of cancer of the postcricoid area, deliberate hypotension, anaesthesia for laryngoscopy, and respiratory obstruction are identified as high-risk areas for cardiac arrest during otorhinolaryngological operations.
Alerts clinicians to potential high-risk ENT scenarios; hypothesis-generating and leaves open prospective validation before practice change.
A study has been carried out of 42 episodes of cardiac arrest related to 90 000 otorhinolaryngological operations. The basic pathology, factors precipitating the arrest, and the results of treatment are analysed. Clinical areas presenting special problems are the surgery of cancer of the postcricoid area, deliberate hypotension, anaesthesia for laryngoscopy and respiratory obstruction.
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H. A. Condon (1976) studied this question. Otorhinolaryngological surgery resulted in 42 cardiac arrests among 90,000 cases, with special risks during postcricoid cancer surgery, deliberate hypotension, and respiratory obstruction.
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