CENTRAL	PubMed	EMBASE (Ovid)
#1 MeSH descriptor Surgical Procedures, Operative explode all trees #2 MeSH descriptor Ear explode all trees with qualifier: SU #3 MeSH descriptor Mastoid explode all trees with qualifier: SU #4 MeSH descriptor Endolymphatic Sac explode all trees with qualifier: SU #5 MeSH descriptor Vestibular Nerve explode all trees with qualifier: SU #6 (MASTOIDECTOMY or MASTOIDOTOMY or SURG* or OPERAT* or LABYRINTHECTOM* or LABYRINTHOTOM* or COCHLEAECTOM* or COCHLEOSACCULOT* or GROMMET* or EDSS* or TUBULATION) #7 ((endolymphatic or sac) and shunt) #8 (endolymphatic and (SURG* or DECOMPRES* or drainage)) #9 (ventilat* and tub*) #10 (VESTIBULAR and (SURG* or SECTION or RESECT* or NEURECTOM* or NEUROTOM* or EXCISION or EXERESIS or RADICULECTOMY)) #11 (saccus and surg*) #12 (MIDDLE and EAR and (VENTILATION or TUBE*)) #13 (TYMPAN* and TUBE*) #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 Meniere Disease explode all trees #16 meniere* #17 ((endolymphatic or labyrinth*) and (HYDROPS or SYNDROME)) #18 ((AURAL or LABYRINTH*) and VERTIGO) #19 (COCHLEA* and HYDROPS) #20 (#15 OR #16 OR #17 OR #18 OR #19) #21 (#14 AND #20) #22 MeSH descriptor Meniere Disease explode all trees with qualifier: SU #23 (#21 OR #22)	#1 "Surgical Procedures, Operative"[Mesh] #2 "Ear/surgery"[Mesh] #3 "Mastoid/surgery"[Mesh] #4 "Endolymphatic Sac/surgery"[Mesh] #5 "Vestibular Nerve/surgery"[Mesh] #6 (MASTOIDECTOMY [tiab] OR MASTOIDOTOMY [tiab] OR SURG* [tiab] OR OPERAT* [tiab] OR LABYRINTHECTOM* [tiab] OR LABYRINTHOTOM* [tiab] OR COCHLEAECTOM* [tiab] OR COCHLEOSACCULOT* [tiab] OR GROMMET* [tiab] OR EDSS* [tiab] OR TUBULATION [tiab]) #7 ((endolymphatic [tiab] OR sac [tiab]) AND shunt [tiab]) #8 (endolymphatic [tiab] AND (SURG* [tiab] OR DECOMPRES* [tiab] OR drainage [tiab])) #9 (ventilat* [tiab] AND tub* [tiab]) #10 (VESTIBULAR [tiab] AND (SURG* [tiab] OR SECTION [tiab] OR RESECT* [tiab] OR NEURECTOM* [tiab] OR NEUROTOM* [tiab] OR EXCISION [tiab] OR EXERESIS [tiab] OR RADICULECTOMY [tiab])) #11 (saccus [tiab] AND surg* [tiab]) #12 (MIDDLE [tiab] AND EAR [tiab] AND (VENTILATION [tiab] OR TUBE* [tiab])) #13 (TYMPAN* [tiab] AND TUBE* [tiab]) #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 "Endolymphatic Hydrops"[Mesh] #16 MENIERE* [tiab] #17 ((endolymphatic [tiab] OR labyrinth* [tiab]) AND (HYDROPS [tiab] OR SYNDROME [tiab])) #18 ((AURAL [tiab] OR LABYRINTH* [tiab]) AND VERTIGO [tiab]) #19 (COCHLEA* [tiab] AND HYDROPS [tiab]) #20 #15 OR #16 OR #17 OR #18 OR #19 #21 #14 AND #20 #22 "Endolymphatic Hydrops/surgery"[Mesh] #23 #21 OR #22	1 exp Surgery/ 2 (MASTOIDECTOMY or MASTOIDOTOMY or SURG* or OPERAT* or LABYRINTHECTOM* or LABYRINTHOTOM* or COCHLEAECTOM* or COCHLEOSACCULOT* or GROMMET* or EDSS* or TUBULATION).tw. 3 ((endolymphatic or sac) and shunt).tw. 4 (endolymphatic and (SURG* or DECOMPRES* or drainage)).tw. 5 (ventilat* and tub*).tw. 6 (VESTIBULAR and (SURG* or SECTION or RESECT* or NEURECTOM* or NEUROTOM* or EXCISION or EXERESIS or RADICULECTOMY)).tw. 7 (saccus and surg*).tw. 8 (MIDDLE and EAR and (VENTILATION or TUBE*)).tw. 9 (TYMPAN* and TUBE*).tw. 10 6 or 3 or 7 or 9 or 2 or 8 or 1 or 4 or 5 11 exp vestibular system/ 12 (ENDOLYMPHATIC and SAC).tw. 13 (VESTIBULAR or SACCUS).tw. 14 11 or 13 or 12 15 neurectomy/ 16 (NEURECTOMY or NEURONECTOMY or NEUROTOMY or EXCISION or EXERESIS or RADICULECTOMY or SURG* or OPERAT* or DECOMPRESS* or SECTION or DRAINAGE).tw. 17 16 or 15 18 17 and 14 19 Meniere Disease/ 20 meniere*.tw. 21 ((endolymphatic or labyrinth*) and (HYDROPS or SYNDROME)).tw. 22 ((AURAL or LABYRINTH*) and VERTIGO).tw. 23 (COCHLEA* and HYDROPS).tw. 24 22 or 21 or 23 or 19 or 20 25 18 or 10 26 25 and 24
CINAHL (EBSCO)	Web of Science/BIOSIS Previews (Web of Knowledge)	CAB Abstracts (Ovid)
S1 (MH "Meniere's Disease") S2 TX Meniere* S3 TX endolymphatic or labyrinth* S4 TX HYDROPS or SYNDROME S5 S3 and S4 S6 AURAL or LABYRINTH* S7 TX VERTIGO S8 S6 and S7 S9 TX COCHLEA* and HYDROPS S10 S1 or S2 or S5 or S8 or S9 S11 (MH "Surgery, Operative") S12 TX MASTOIDECTOMY or MASTOIDOTOMY or SURG* or OPERAT* or LABYRINTHECTOM* or LABYRINTHOTOM* or COCHLEAECTOM* or COCHLEOSACCULOT* or GROMMET* or EDSS* or TUBULATION S13 S11 or S12 S14 S10 and S13	#1 TS=(MASTOIDECTOMY or MASTOIDOTOMY or SURG* or OPERAT* or LABYRINTHECTOM* or LABYRINTHOTOM* or COCHLEAECTOM* or COCHLEOSACCULOT* or GROMMET* or EDSS* or TUBULATION) #2 TS=((endolymphatic or sac) and shunt) #3 TS=(endolymphatic and (SURG* or DECOMPRES* or drainage)) #4 TS=(ventilat* and tub*) #5 TS=(VESTIBULAR and (SURG* or SECTION or RESECT* or NEURECTOM* or NEUROTOM* or EXCISION or EXERESIS or RADICULECTOMY)) #6 TS=(saccus and surg*) #7 TS=(MIDDLE and EAR and (VENTILATION or TUBE*)) #8 TS=(TYMPAN* and TUBE*) #9 #8 OR #7 OR #6 OR #5 OR #4 OR #3 OR #2 OR #1 #10 TS=((endolymphatic or labyrinth*) and (HYDROPS or SYNDROME)) #11 TS=((AURAL or LABYRINTH*) and VERTIGO) #12 TS=(COCHLEA* and HYDROPS) #13 #12 OR #10 OR #11 #14 #13 AND #9	1 exp Surgery/ 2 (MASTOIDECTOMY or MASTOIDOTOMY or SURG* or OPERAT* or LABYRINTHECTOM* or LABYRINTHOTOM* or COCHLEAECTOM* or COCHLEOSACCULOT* or GROMMET* or EDSS* or TUBULATION).tw. 3 ((endolymphatic or sac) and shunt).tw. 4 (endolymphatic and (SURG* or DECOMPRES* or drainage)).tw. 5 (ventilat* and tub*).tw. 6 (VESTIBULAR and (SURG* or SECTION or RESECT* or NEURECTOM* or NEUROTOM* or EXCISION or EXERESIS or RADICULECTOMY)).tw. 7 (saccus and surg*).tw. 8 (MIDDLE and EAR and (VENTILATION or TUBE*)).tw. 9 (TYMPAN* and TUBE*).tw. 10 6 or 3 or 7 or 9 or 2 or 8 or 1 or 4 or 5 11 (ENDOLYMPHATIC and SAC).tw. 12 (VESTIBULAR or SACCUS).tw. 13 11 or 12 14 neurectomy/ 15 (NEURECTOMY or NEURONECTOMY or NEUROTOMY or EXCISION or EXERESIS or RADICULECTOMY or SURG* or OPERAT* or DECOMPRESS* or SECTION or DRAINAGE).tw. 16 14 or 15 17 16 and 13 18 meniere*.tw. 19 ((endolymphatic or labyrinth*) and (HYDROPS or SYNDROME)).tw. 20 ((AURAL or LABYRINTH*) and VERTIGO).tw. 21 (COCHLEA* and HYDROPS).tw. 22 18 OR 19 OR 20 OR 21 23 17 or 10 24 23 and 22