Search ID#	Search Terms
S26	S11 AND S22 AND S23 AND S24 AND S25
S25	S12 OR S13 OR S14 OR S15
S24	S16 OR S17
S23	S18 OR S19
S22	S20 OR S21
S21	(MH "Vomiting") OR (MH "Nausea") OR (MH "Nausea and Vomiting+")
S20	TI ( nause* or vomit* or emesis or emeses or emet* or queasiness or queasy ) OR AB ( nause* or vomit* or emesis or emeses or emet* or queasiness or queasy )
S19	TI ( ("post operative" or postoperati* or perioperative or "peri‐operative" or surger* or surgical* or postsurg* or intraoperative or anesthe* or anaesthe* or postanesthe* or postanaesthe*) ) OR AB ( "post operative" or postoperati* or perioperative or "peri‐operative" or surger* or surgical* or postsurg* or intraoperative or anesthe* or anaesthe* or postanesthe* or postanaesthe* )
S18	(MH "Postoperative Complications") OR (MH "Postoperative Period") OR (MH "Postoperative Care") OR (MH "Intraoperative Care") OR (MH "Perioperative Care+")
S17	intravenous* or iv or "i v"
S16	(MH "Administration, Intravenous+") OR (MH "Injections, Intravenous") OR (MH "Intravenous Therapy+")
S15	TI ( fluid* OR crystalloid* OR hydrat* OR rehydrat* ) OR AB ( fluid* OR crystalloid* OR hydrat* OR rehydrat* )
S14	((ringer* OR isotonic OR salt) N2 solution*)
S13	(MH "Fluid Resuscitation") OR (MH "Fluid Therapy")
S12	(MH "Crystalloid Solutions+") OR (MH "Isotonic Solutions") OR (MH "Rehydration Solutions")
S11	S1 OR S2 OR S3 OR S4 OR S5 OR S6 OR S7 OR S8 OR S9 OR S10
S10	(MH "Placebos")
S9	(MH "Random Assignment")
S8	TI trial
S7	PT Clinical trial
S6	(MH "Clinical Trials+")
S5	TI randomi?ed N1 control*
S4	AB randomised controlled trials
S3	AB placebo*
S2	AB random*
S1	(singl* OR doubl* OR trebl* OR tripl*) N1 (blind* OR mask*)