ecrin-mdr-crcClinical2015Colorectal cancer, abdominal aortic aneurysmColorectal Cancer, Abdominal Aortic AneurysmInterventionalhttps://newmdr.ecrin.org/Study/19960Netherlands11ECRIN MDRCompletedfalseOUTO studyInterventions: For an optimal period of 5 weeks prior to surgery, physical health, nutritional health status, factors of frailty and haemoglobin levels will be optimised Primary outcome(s): Incidence of delirium Study Design: Non-randomized controlled trial, Open (masking not used), Active, Other2015-11-1519960NL5575