Abstract
Following burns during neonatal intubation, we mounted an in vitro study of laryngoscopes to determine the temperatures reached during clinical use. The temperature of 10 different bulb laryngoscopes heads and two fibre optic heads were measured with a thermocouple, once opened, and upon closing. Within 60 s, all ten laryngoscopes, with light-bulb sources, had gained significant heat to cause thermal injury to neonatal skin. Laryngoscopes with LED light source and fibre optic heads did not. We recommend that the bulb laryngoscope blade, if used, is not left open prior to intubation and that it is closed between intubation attempts. What is Known: • The preterm epidermis is particularly vulnerable to injury. What is New: • Bulb laryngoscope light bulbs consistently reach temperatures sufficient to burn neonatal skin in less than 100s in an in vitro study. • Bulb light safety advice should be incorporated into intubation guidelines.
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