Researchers studied the effect of floor markings in four ORs on the positions of surgical devices in relation to clean air flow. They found that floor markings increased the frequency the instrument table was positioned completely within the laminar flow clean air system from 6.1 percent to 53.8 percent of cases.
The surgical lamp position obstructed flow only 28.7 percent after floor markings compared to 41.8 percent before. However, obstructed flow caused by the lamp grew to 48.6 percent of applicable cases 20 months later. Still, Mayo stands were positioned within the laminar flow 84.7 percent of cases after floor markings compared to 74.2 percent before.
The authors concluded that OR floor markings increase safety awareness and compliance with surgical device positioning in clean air flow.
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