Assessing visible aerosol generation during vitrectomy in the era of Covid-19.

ABSTRACT:

Objective

To assess visible aerosol generation during simulated vitrectomy surgery.

Methods

A model comprising a human cadaveric corneoscleral rim mounted on an artificial anterior chamber was used. Three-port 25 gauge vitrectomy simulated surgery was performed with any visible aerosol production recorded using high-speed 4K camera. The following were assessed: (1) vitrector at maximum cut rate in static and dynamic conditions inside the model, (2) vitrector at air-fluid interface in a physical model, (3) passive fluid-air exchange with a backflush hand piece, (4) valved cannulas under air, and (5) a defective valved cannula under air.

Results

No visible aerosol or droplets were identified when the vitrector was used within the model. In the physical model, no visible

SUBMITTER: Liyanage S 

PROVIDER: S-EPMC7316166 | biostudies-literature | 2021 Apr

REPOSITORIES: biostudies-literature