CLINICAL SCIENCES SURGEON’S CORNER |ONLINE FIRST Bacterial Dispersal Associated With Speech in the Setting of Intravitreous Injections Joanne C. Wen, MD; Colin A. McCannel, MD; A. Brian Mochon, PhD; Omai B. Garner, PhD Objective: To investigate the amount of bacterial dis- was significantly greater in the reclined condition com- persal associated with speech in a simulated intravitre- pared with the room control (P=.02). Oral streptococcal ous injection. species represented 66.7% to 82.6% of bacterial colonies in the no face mask, face turned, and reclined conditions. Methods: Fifteen volunteers were recruited. Each vol- unteer was positioned over an open blood agar plate and Conclusions: During simulated intravitreous injection, did the following: read a 5-minute script with a face mask, wearing a face mask or remaining silent significantly de- read a 5-minute script without a face mask, read a 5-min- creases culture plate contamination from talking. Talk- ute script with the face turned away from the plate with- ing from above and talking in the reclined position were out a face mask, and stood in silence for 5 minutes. Each associated with a significant increase in culture plate con- volunteer then read a 5-minute script while reclined in tamination. Physicians performing
JAMA Ophthalmology – American Medical Association
Published: Dec 1, 2011
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