Source	Strategy
ALOIS www.medicine.ox.ac.uk/alois [last searched: 4 Dec 2015]	delirium OR DEL
MEDLINE(R) In‐Process & Other Non‐Indexed Citations and Ovid MEDLINE(R) 1946 to Present (Ovid SP) [last search: 4 Dec 2015]	1. Delirium/ 2. deliri*.mp. 3. "acute confusion*".ti,ab. 4. "acute organic psychosyndrome".ti,ab. 5. "acute brain syndrome".ti,ab. 6. "metabolic encephalopathy".ti,ab. 7. "acute psycho‐organic syndrome".ti,ab. 8. "clouded state".ti,ab. 9. "clouding of consciousness".ti,ab. 10. "exogenous psychosis".ti,ab. 11. "toxic psychosis".ti,ab. 12. "toxic confusion".ti,ab. 13. Delirium, Dementia, Amnestic, Cognitive Disorders/su [Surgery] 14. obnubilat*.ti,ab. 15. or/1‐14 16. Primary Prevention/ 17. prevent*.mp. 18. reduc*.ti,ab. 19. stop*.ti,ab. 20. taper*.ti,ab. 21. avoid*.ti,ab. 22. "cut* down".ti,ab. 23. or/16‐22 24. 15 and 23 25. randomized controlled trial.pt. 26. controlled clinical trial.pt. 27. randomi?ed.ab. 28. placebo.ab. 29. drug therapy.fs. 30. randomly.ab. 31. trial.ab. 32. groups.ab. 33. or/25‐32 34. (animals not (humans and animals)).sh. 35. 33 not 34 36. 35 and 34
EMBASE 1974 to 2015 Week 01 (Ovid SP) [last search: 4 Dec 2015]	1. Delirium/ 2. deliri*.mp. 3. "acute confusion*".ti,ab. 4. "acute organic psychosyndrome".ti,ab. 5. "acute brain syndrome".ti,ab. 6. "metabolic encephalopathy".ti,ab. 7. "acute psycho‐organic syndrome".ti,ab. 8. "clouded state".ti,ab. 9. "clouding of consciousness".ti,ab. 10. "exogenous psychosis".ti,ab. 11. "toxic psychosis".ti,ab. 12. "toxic confusion".ti,ab. 13. Delirium, Dementia, Amnestic, Cognitive Disorders/su [Surgery] 14. obnubilat*.ti,ab. 15. or/1‐14 16. primary prevention/ 17. prevent*.mp. 18. reduc*.ti,ab. 19. stop*.ti,ab. 20. taper*.ti,ab. 21. avoid*.ti,ab. 22. "cut* down".ti,ab. 23. or/16‐22 24. 15 and 23 25. randomized controlled trial/ 26. random*.ti,ab. 27. placebo.ti,ab. 28. trial.mp. 29. controlled clinical trial/ 30. or/25‐29 31. 24 and 30
PsycINFO 1806 to December Week 1 2015 (Ovid SP) [last search: 4 Dec 2015]	1. Delirium/ 2. deliri*.mp. 3. "acute confusion*".ti,ab. 4. "acute organic psychosyndrome".ti,ab. 5. "acute brain syndrome".ti,ab. 6. "metabolic encephalopathy".ti,ab. 7. "acute psycho‐organic syndrome".ti,ab. 8. "clouded state".ti,ab. 9. "clouding of consciousness".ti,ab. 10. "exogenous psychosis".ti,ab. 11. "toxic psychosis".ti,ab. 12. "toxic confusion".ti,ab. 13. obnubilat*.ti,ab. 14. or/1‐13 15. Prevention/ 16. prevent*.mp. 17. reduc*.ti,ab. 18. stop*.ti,ab. 19. taper*.ti,ab. 20. avoid*.ti,ab. 21. "cut* down".ti,ab. 22. or/15‐21 23. 14 and 22 24. random*.mp. 25. trial.mp. 26. placebo*.mp. 27. group.ab. 28. or/24‐27 29. 23 and 28
CINAHL (EBSCOhost) [last search: 4 Dec 2015]	1 deliri* 2 "acute psycho‐organic syndrome" or "clouded state" or "clouding of consciousness" or "exogenous psychosis" or "toxic psychosis" or "toxic confusion" 3 "acute brain confusion" or "acute brain failure" or "acute organic psychosyndrome" or "acute brain syndrome" or "metabolic encephalopathy" 4 "Delirium"/ without‐subheadings 5 #1 or #2 or #3 or #4 6 "Preventive‐Trials"/ without‐subheadings 7 prevent* or avoid* 8 #6 or #7 9 #5 and #8 10 random* or placebo* or control* or "normal care" or "standard care" or "normal treatment" or "standard treatment" 11 #9 and #10 12 "Alcohol‐Withdrawal‐Delirium"/ without‐subheadings 13 "delirium tremens" in TI 14 #12 or #13 15 #11 not #14 16 (animal in DE) not ((human in DE) and (animal in DE)) 17 #15 not #16
LILACS (BIREME) [last search: 4 Dec 2015]	deliri$ OR delirio OR loucura [Words] and randomly OR randomised OR randomized OR trial OR ensaio clínico [Words]
ISI Web of Science – all databases (ISI Web of Science) [last search: 4 Dec 2015]	Topic=(deliri* OR "acute confusion*" OR "acute organic psychosyndrome" OR "acute brain syndrome" OR "metabolic encephalopathy" OR "acute psycho‐organic syndrome" OR "clouded state" OR "clouding of consciousness" OR "exogenous psychosis" OR "toxic psychosis" OR "toxic confusion" OR obnubilat*) AND Topic=(prevent* OR reduc* OR stop* OR taper* OR avoid* OR "cut* down") AND Topic=(randomised OR randomized OR randomly or placebo or "double‐blind" or trial OR groups OR "controlled study" OR RCT OR "single‐blind*") Timespan=All Years. Databases=SCI‐EXPANDED, SSCI, A&HCI, CPCI‐S, CPCI‐SSH. Lemmatization=On
CENTRAL (The Cochrane Library, Wiley) [last search: 4 Dec 2015]	#1 MeSH descriptor Delirium, this term only #2 deliri* #3 "acute confusion*" #4 "acute organic psychosyndrome" #5 "acute brain syndrome" #6 "metabolic encephalopathy" #7 "acute psycho‐organic syndrome" #8 "clouded state" #9 "clouding of consciousness" #10 "exogenous psychosis" #11 "toxic psychosis" #12 "toxic confusion" #13 obnubilat* #14 (#1 OR #2 OR #3 OR #4 OR #5 OR #6 OR #7 OR #8 OR #9 OR #10 OR #11 OR #12 OR #13) #15 MeSH descriptor Primary Prevention, this term only #16 prevent* #17 reduc* #18 stop* #19 taper* #20 avoid* #21 "cut* down" #22 (#15 OR #16 OR #17 OR #18 OR #19 OR #20 OR #21) #23 (#14 AND #22)
ClinicalTrials.gov [last search: 4 Dec 2015]	Search 1: randomized AND delirium AND hospital AND prevention | Interventional Studies | Adult, Senior |received Search 2: prevention AND (delirium OR toxic psychosis OR toxic confusion) | Interventional Studies | Adult, Senior |
ICTRP [last search: 4 Dec 2015]	#1 Advanced search: Condition: delirium AND date rec: 01/10/2008‐23/01/2015 #2 Basic search: Prevention AND delirium #3 Basic search: prevent AND delirium