1. OAKS Inclusion Criteria Protocol Launch Meeting and Research Skills Course September 16 th 2015, RCS England

2. OAKS Inclusion Criteria Protocol Launch Meeting and Research Skills Course September 16 th 2015, RCS England Inclusion Criteria Exclusion Criteria Case examples

3. Protocol Launch Meeting and Research Skills Course September 16 th 2015, RCS England

4. Included Procedures Any GI resection From oesophagus to rectum Excluding the appendix Any liver resection Reversal of an ileostomy or colostomy Excludes refashioning of a stoma Protocol Launch Meeting and Research Skills Course September 16 th 2015, RCS England

5. Exclusion Criteria <18yrs Regular renal replacement pre-operatively o Any form of dialysis in 90 days preceeding operation Excluded procedures o Appendicectomy o Cholecystectomy o Hernia repair o Primarily urology, gynae, vascular, or transplant procedures  E.g. bowel resection following AAA repair excluded, bowel resection from mesenteric ischaemia included Protocol Launch Meeting and Research Skills Course September 16 th 2015, RCS England

6. Example A A 42 year old man is undergoing a Hartmann’s procedure due to bowel cancer He has had all his pre-operative bloods done (including U&Es) and has never had kidney problems Can he be included in OAKS? YES Protocol Launch Meeting and Research Skills Course September 16 th 2015, RCS England

7. Example B A 17 year old woman is having her appendix removed for acute appendicitis She had a renal function blood test 2 months ago, prior to her admission, and has also had her pre- operative renal function checked Can she be included in OAKS? NO Protocol Launch Meeting and Research Skills Course September 16 th 2015, RCS England

8. Example C A 65 year old man is having a hemihepatectomy for primary liver malignancy He has had all pre-operative renal function blood done on this admission Can he be included in OAKS? YES Protocol Launch Meeting and Research Skills Course September 16 th 2015, RCS England

9. Example D A 85 year old woman had to have a bowel resection and ileostomy formation due to intra-operative bowel ischaemia during her emergency AAA repair She has had renal function bloods taken two months ago and has had an admission and a separate pre-operative U&Es taken Can she be included in OAKS? NO Protocol Launch Meeting and Research Skills Course September 16 th 2015, RCS England

10. Example E A 76 year old woman is having a ileostomy formed, as part of a panproctocolectomy She has had renal function bloods taken two months ago and has also had them taken since her admission. She once received haemodialysis during a previous hospital admission, but that was 5 years ago Can she be included in OAKS? YES Protocol Launch Meeting and Research Skills Course September 16 th 2015, RCS England

11. And remember… …if you are unsure, ask your local lead or contact the steering committee Protocol Launch Meeting and Research Skills Course September 16 th 2015, RCS England