Surgical interventions for the early management of Bell's palsy
Appendices
Appendix 1. OVID MEDLINE search strategy
1 randomized controlled trial.pt.
2 controlled clinical trial.pt.
3 randomized controlled trials/
4 random allocation/
5 double‐blind method/
6 single‐blind method/
7 or/1‐6
8 animals/ not humans/
9 7 not 8
10 clinical trial.pt.
11 exp clinical trial/
12 (clin$ adj25 trial$).ti,ab.
13 ((singl$ or doubl$ or tripl$ or trebl$) adj25 (blind$ or mask$)).ti,ab.
14 placebos/
15 placebo$.ti,ab.
16 random$.ti,ab.
17 research design/
18 or/10‐17
19 18 not 8
20 19 not 9
21 comparative study/
22 exp evaluation studies/
23 follow up studies/
24 prospective studies/
25 (control$ or prospectiv$ or volunteer$).ti,ab.
26 or/21‐25
27 26 not 8
28 27 not (9 or 20)
29 9 or 20 or 28
30 bell palsy/ or facial paralysis/ or hemifacial spasm/
31 ((bell$ or facial or hemifacial$) adj3 (pals$ or paralys$ or paresi$ or spasm$)).mp.
32 30 or 31
33 surgery/ or (surg$ or operat$ or decompres$).mp.
34 32 and 33
35 29 and 34
Appendix 2. OVID EMBASE search strategy
1 Randomized Controlled Trial/
2 Clinical Trial/
3 Multicenter Study/
4 Controlled Study/
5 Crossover Procedure/
6 Double Blind Procedure/
7 Single Blind Procedure/
8 exp RANDOMIZATION/
9 Major Clinical Study/
10 PLACEBO/
11 Meta Analysis/
12 phase 2 clinical trial/ or phase 3 clinical trial/ or phase 4 clinical trial/
13 (clin$ adj25 trial$).tw.
14 ((singl$ or doubl$ or tripl$ or trebl$) adj25 (blind$ or mask$)).tw.
15 placebo$.tw.
16 random$.tw.
17 control$.tw.
18 (meta?analys$ or systematic review$).tw.
19 (cross?over or factorial or sham? or dummy).tw.
20 ABAB design$.tw.
21 or/1‐20
22 human/
23 nonhuman/
24 22 or 23
25 21 not 24
26 21 and 22
27 25 or 26
28 Randomized Controlled Trial/
29 Clinical Trial/
30 Multicenter Study/
31 Controlled Study/
32 Crossover Procedure/
33 Double Blind Procedure/
34 Single Blind Procedure/
35 exp RANDOMIZATION/
36 Major Clinical Study/
37 PLACEBO/
38 Meta Analysis/
39 phase 2 clinical trial/ or phase 3 clinical trial/ or phase 4 clinical trial/
40 (clin$ adj25 trial$).tw.
41 ((singl$ or doubl$ or tripl$ or trebl$) adj25 (blind$ or mask$)).tw.
42 placebo$.tw.
43 random$.tw.
44 control$.tw.
45 (meta?analys$ or systematic review$).tw.
46 (cross?over or factorial or sham? or dummy).tw.
47 ABAB design$.tw.
48 or/28‐47
49 human/
50 nonhuman/
51 49 or 50
52 48 not 51
53 48 and 49
54 52 or 53
55 Bell Palsy/
56 Facial Nerve Paralysis/
57 HEMIFACIAL SPASM/
58 ((bell$ or facial or hemifacial$) adj3 (pals$ or paralys$ or paresi$ or spasm$)).mp.
59 55 or 56 or 57 or 58
60 surgery/ or (surg$ or operat$ or decompres$).mp.
61 59 and 60
62 54 and 61
