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The Bone & Joint Journal

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The Bone & Joint Journal
Vol. 99-B, Issue 8 | Pages 1061 - 1066
1 Aug 2017
Refaie R Rushton P McGovern P Thompson D Serrano-Pedraza I Rankin KS Reed M

Aims

The interaction between surgical lighting and laminar airflow is poorly understood. We undertook an experiment to identify any effect contemporary surgical lights have on laminar flow and recommend practical strategies to limit any negative effects.

Materials and Methods

Neutrally buoyant bubbles were introduced into the surgical field of a simulated setup for a routine total knee arthroplasty in a laminar flow theatre. Patterns of airflow were observed and the number of bubbles remaining above the surgical field over time identified. Five different lighting configurations were assessed. Data were analysed using simple linear regression after logarithmic transformation.