Risk factors for unplanned and crash dialysis starts: a protocol for a systematic review and meta-analysis

Search strategy

Database: Embase Classic + Embase 1947 to 2015 May 29, Ovid MEDLINE(R) in-process and other non-indexed citations and Ovid MEDLINE(R) 1946 to present

Search strategy: June 1, 2015

1. Nephrology/or “Renal Replacement Therapy”/or exp Renal Dialysis/or exp Renal Insufficiency, Chronic/(340678)

2. (nephrolog$ or esrd or end stage renal disease or end stage kidney disease or chronic kidney failure or chronic renal failure or renal replacement therapy or dialysis or hemodialysis or haemodialysis).tw. (380283)

3. 1 or 2 (485466)

4. ((scheduled or emergency or hospital or programmed or nonprogrammed or urgent or nonurgent or acute or suboptimal or optimal or planned or accelerat$) adj5 (start or initiation)).tw. (8352)

5. (unplanned or unscheduled or crash or “not planned”).tw. (36125)

6. ((late or delay$ or defer$ or rate$) adj3 (consul$ or referr$)).tw. (13742)

7. “time to treatment”/(4581)

8. or/4-7 (62467)

9. 3 and 8 (1924)

10. (Nephrology/or exp Renal Insufficiency, Chronic/or “Renal Replacement Therapy”/or exp Renal Dialysis/) and “Referral and Consultation”/(1831)

11. 9 or 10 (3368)

12. 11 use prmz (1291) Medline

13. Nephrology/or “Renal Replacement Therapy”/or exp Renal Dialysis/or exp Renal Insufficiency, Chronic/(340678)

14. (nephrolog$ or esrd or end stage renal disease or end stage kidney disease or chronic kidney failure or chronic renal failure or renal replacement therapy or dialysis or hemodialysis or haemodialysis).tw. (380283)

15. 13 or 14 (485466)

16. ((scheduled or emergency or hospital or programmed or nonprogrammed or urgent or nonurgent or acute or suboptimal or optimal or planned or accelerat$) adj5 (start or initiation)).tw. (8352)

17. (unplanned or unscheduled or crash or “not planned”).tw. (36125)

18. ((late or delay$ or defer$ or rate$) adj3 (consul$ or referr$)).tw. (13742)

19. “time to treatment”/(4581)

20. or/16-19 (62467)

21. 15 and 20 (1924)

22. (Nephrology/or exp Renal Insufficiency, Chronic/or “Renal Replacement Therapy”/or exp Renal Dialysis/) and *“Referral and Consultation”/(513)

23. (Nephrology/or exp Renal Insufficiency, Chronic/or “Renal Replacement Therapy”/or exp Renal Dialysis/) and “Referral and Consultation”/and “time factors”/(255)

24. (Nephrology/or exp Renal Insufficiency, Chronic/or “Renal Replacement Therapy”/or exp Renal Dialysis/) and *time factors/(23)

25. 22 or 23 or 24 (639)

26. or/21-25 (2324)

27. 26 use emczd (1348) Embase

28. 12 or 27 (2639)

29. remove duplicates from 28 (1905)

30. 29 use prmz (1269) Medline (duplicates removed)

31. 29 use emczd (636) Embase (duplicates removed)