Search number	Search terms	Results
#1	MeSH descriptor: [Deglutition Disorders] explode all trees	2803
#2	dysphagi* or “orophargngeal dysphagia” or “esophageal dysphagia” or deglutition NEXT disorder* or swallowing NEXT disorder* or “swallowing dysfunction” or swallowing NEXT problem* or swallowing NEXT difficult* or “difficulty in swallowing” or swallowing NEXT disabilit*	4699
#3	#1 or #2	6539
#4	MeSH descriptor: [Pneumonia, Aspiration] explode all trees	330
#5	MeSH descriptor: [Respiratory Aspiration] explode all trees	363
#6	MeSH descriptor: [Inhalation] in all MeSH products	319
#7	aspiration or penetration or “airway invasion” or aspiration NEXT pneumonia* or “silent aspiration” or aspirator or choking	11,840
#8	#4 or #5 or #6 or #7	12,131
#9	MeSH descriptor: [Aged] in all MeSH products	8819
#10	MeSH descriptor: [Aged, 80 and over] explode all trees	2354
#11	“older persons” or “older adults” or “older people” or “older patients” or geriatric* or aged or aging or older or elder or elderly or “the elderly” or “elderly people” or senior*	535,020
#12	#9 or #10 or #11	535,020
#13	MeSH descriptor: [Early Medical Intervention] explode all trees	367
#14	MeSH descriptor: [Disease Management] explode all trees	4340
#15	MeSH descriptor: [Rehabilitation] explode all trees	34,236
#16	MeSH descriptor: [Rehabilitation Nursing] explode all trees	54
#17	MeSH descriptor: [Therapeutics] explode all trees	298,062
#18	intervention OR management OR treatment OR rehabilitation OR therapy OR strateg* OR program* OR practice* OR prevent* OR control OR method* OR texture NEXT modif* OR bolus NEXT modif* OR diet NEXT modif* OR food NEXT modif* OR fluids NEXT modif* OR viscosity NEXT modif* OR consistency NEXT modif* OR texture NEXT adapt* OR thicken* OR swallow* NEXT maneuver* OR swallow* NEXT posture* OR “chin down” OR “chin tuck” OR “double deglutition” OR hard NEXT swallow* OR stimulation	1,358,321
#19	#13 or #14 or #15 or #16 or #17 or #18	1,367,759
#20	MeSH descriptor: [Residential Facilities] explode all trees	1706
#21	MeSH descriptor: [Nursing Homes] explode all trees	1309
#22	nursing NEXT home* OR residential NEXT care NEXT facilit* OR residential NEXT facilit* OR aged NEXT care NEXT facilit* OR elderly NEXT care NEXT facilit* OR long-term NEXT care NEXT facilit* OR “care home” OR institution*	28,203
#23	#20 OR #21 OR #22	28,369
#24	#3 AND #8 AND #12 AND #19 AND #23	41
#25	#24 with Cochrane Library publication date from Jan 2010 to May 2020	31