• Christian Holland, Evan C Edmond, Catherine Moore, Vanessa Tobert, Johannes C Klein, and Martin R Turner.
• University of Oxford, Oxford, UK.
• Clin Med (Lond). 2020 Sep 1; 20 (5): 477479477-479.

BackgroundDespite a body of evidence demonstrating reduced incidence of post-lumbar puncture headache associated with pencil-point (vs bevelled-edge) needles, their use remains variable in the UK.MethodsA multimodal longitudinal intervention was performed over a 12-month period at a tertiary neurology referral centre. In addition to simulation training using pencil-point needles and an electronic documentation pro forma, a change in the default needles presented in clinical environments was performed.ResultsPrior to the intervention, pencil-point needle usage was minimal. Documentation significantly improved throughout the intervention period. Simulation training interventions only resulted in transient, moderate improvements in pencil-point needle usage. However, changing the default produced a marked increase in use that was sustained. No significant changes in operator success rate were found.ConclusionsIn the context of wider literature on the power of default options in driving behavioural choices, changing defaults may be an effective, inexpensive and acceptable intervention to improve lumbar puncture practice.© Royal College of Physicians 2020. All rights reserved.

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