The things that we can do to make patients feel less anxious is better identify those that are at risk of anxiety. And that should really happen in the pre-assessment setting, so not on the day of surgery.

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There's very good evidence that shows that if we address psychological concerns in the pre-operative period, then actually the physiological outcomes are better, i.e. the patients do better after the operation. So I do feel that this is an area where we're probably falling short a little bit.