Table 5 Search strategy

1.

myocardial infarction.ti,ab

194029

2

*Infarction/

4551

3

Myocardial Infarction/

145002

4

or/1-3

201604

5

thrombus aspiration.ti,ab.

400

6

thromboaspiration.ti,ab.

125

7

(aspiration adj5 mechanical).ti,ab.

214

8

Thrombectomy.ti,ab.

4995

9

(aspiration and catheter*).ti,ab.

2140

10

thrombosuction.ti,ab.

34

11

*Thrombectomy/

2028

12

or/5-11

7869

13

randomized controlled trial.pt.

398533

14

controlled clinical trial.pt.

89780

15

randomized.ab.

324620

16

placebo.ab.

163833

17

drug therapy.fs.

1786167

18

randomly.ab.

233298

19

trial.ab.

336144

20

groups.ab.

1465972

21

or/13-20

3564150

22

and/4,12,21

349

23

exp animals/ not humans.sh.

4063058

24

22 not 23

346

1.

Myocardial Infarction.ti,ab.

138908

2

heart infarction/ or acute heart infarction/ or infarction/ or ST segment elevation myocardial infarction/

298819

3

myocardial disease/

4499

4

or/1-3

335897

5

thrombus aspiration.ti,ab.

899

6

thromboaspiration.ti,ab.

227

7

(aspiration adj5 mechanical).ti,ab.

328

8

Thrombectomy.ti,ab.

7683

9

(aspiration and catheter*).ti,ab.

3379

10

thrombosuction.ti,ab.

59

11

*Thrombectomy/

1973

12

or/5-11

11913

13

random$.tw.

995701

14

factorial$.tw.

25787

15

(crossover$ or cross-over$).tw.

76738

16

placebo$.tw.

221322

17

(doubl$ adj blind$).tw.

158296

18

(singl$ adj blind$).tw.

16231

19

assign$.tw.

266556

20

allocat$.tw.

95221

21

volunteer$.tw.

195251

22

Crossover Procedure.sh.

43314

23

Double-blind Procedure.sh.

123817

24

Randomized Controlled Trial.sh.

377450

25

Single-blind Procedure.sh.

20454

26

or/13-25

1582267

27

animals/ not humans/

1258280

28

and/4,12,26

454

29

28 not 27

454

#1

myocardial infarction:ti,ab,kw (Word variations have been searched)

17426

#2

MeSH descriptor: [Infarction] explode all trees

18

#3

MeSH descriptor: [Myocardial Infarction] explode all trees

8885

#4

#1 or #2 or #3

17525

#5

thrombus aspiration:ti,ab,kw (Word variations have been searched)

151

#6

thromboaspiration:ti,ab,kw (Word variations have been searched)

10

#7

aspiration mechanical:ti,ab,kw (Word variations have been searched)

251

#8

thrombectomy:ti,ab,kw (Word variations have been searched)

336

#9

aspiration catheter*:ti,ab,kw (Word variations have been searched)

293

#10

thrombosuction:ti,ab,kw (Word variations have been searched)

4

#11

MeSH descriptor: [Thrombectomy] explode all trees

144

#12

#5 or #6 or #7 or #8 or #9 or #10 or #11

860

#13

#4 and #12

216

In Trials

195