No special pre-operative preparation is required for this procedure other than the usual restrictions that are required for general anaesthesia. From midnight through to 2 hours prior to the procedure you can drink water only and from then on, until after the procedure you must be nil by mouth. You should take your normal medications as usual with a sip of water unless specifically directed otherwise. All anti-coagulant therapy should have been ceased in accordance with instructions issued by Dr Renaut’s office.