Line	Search	Hits
1	MeSH DESCRIPTOR Heart Valve Prosthesis EXPLODE 1	0
2	MeSH DESCRIPTOR Heart Valve Prosthesis Implantation EXPLODE ALL TREES	65
3	(((aorta or aortic) adj2 (replace* or implant* or prosthe* or bioprosthe* or transplant*)))	64
4	(avr)	6
5	#1 OR #2 OR #3 OR #4	94
6	MeSH DESCRIPTOR Aortic Valve Stenosis EXPLODE ALL TREES	38
7	(((supravalvular or subvalvular or aort*) adj2 stenos?s))	54
8	#6 OR #7	61
9	MeSH DESCRIPTOR Surgical Procedures, Minimally Invasive EXPLODE ALL TREES	2710
10	((transcatheter* or trans-catheter* or transfemoral or trans-femoral or transapical or trans-apical or percutaneous))	1384
11	(minimal* adj3 (surgery or surgeries or surgical or procedure* or invasive))	583
12	#9 OR #10 OR #11	4032
13	#5 AND #8 AND #12	23
14	(core-valve or corevalve or Cribier-Edwards or Edwards-Sapien or TAVI)	13
15	#13 OR #14	26
16	(#13 OR #14) FROM 2011 TO 2012	11