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Determining Sound Levels From Smoke Evacuator and Impact for Patients.

Electrosurgical smoke contains potentially harmful chemicals and pathogens. Although the real risk to medical staff and patients resulting from chronic exposure to this smoke has not been substantiated, the use of smoke evacuation has been recommended by the National Institute of Occupational Safety and Health (NIOSH). Furthermore, a previous study has shown that patients prefer the smoke evacuator’s effect on reducing the smell of surgical smoke. One common deterrent to the use of smoke evacuation is the noise produced by the smoke evacuator. In one survey, more than 30% of specified obstacles to the use of a smoke evacuator were due to claims that they produced excessive noises. This concern about noise was also shown in work by our group. Considering that sound levels have been raised as a potential barrier to adoption of this technology, we prospectively examined the impact of smoke evacuation on noise levels in the surgical suite during Mohs micrographic surgery.