Scolaris Content Display Scolaris Content Display

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Figuras y tablas -
Figure 1

Comparison 1 Drain compared with no drain, Outcome 1 Reoperation.
Figuras y tablas -
Analysis 1.1

Comparison 1 Drain compared with no drain, Outcome 1 Reoperation.

Comparison 1 Drain compared with no drain, Outcome 2 Respiratory distress.
Figuras y tablas -
Analysis 1.2

Comparison 1 Drain compared with no drain, Outcome 2 Respiratory distress.

Comparison 1 Drain compared with no drain, Outcome 3 Wound Infection.
Figuras y tablas -
Analysis 1.3

Comparison 1 Drain compared with no drain, Outcome 3 Wound Infection.

Comparison 1 Drain compared with no drain, Outcome 4 Collections needing aspiration/drainage without reoperation.
Figuras y tablas -
Analysis 1.4

Comparison 1 Drain compared with no drain, Outcome 4 Collections needing aspiration/drainage without reoperation.

Comparison 1 Drain compared with no drain, Outcome 5 Minor collections not requiring intervention..
Figuras y tablas -
Analysis 1.5

Comparison 1 Drain compared with no drain, Outcome 5 Minor collections not requiring intervention..

Comparison 1 Drain compared with no drain, Outcome 6 Pain (proportion).
Figuras y tablas -
Analysis 1.6

Comparison 1 Drain compared with no drain, Outcome 6 Pain (proportion).

Comparison 1 Drain compared with no drain, Outcome 7 Pain Severity.
Figuras y tablas -
Analysis 1.7

Comparison 1 Drain compared with no drain, Outcome 7 Pain Severity.

Comparison 1 Drain compared with no drain, Outcome 8 Hospital Stay.
Figuras y tablas -
Analysis 1.8

Comparison 1 Drain compared with no drain, Outcome 8 Hospital Stay.

Comparison 2 Suction drain compared with no drain, Outcome 1 Reoperation.
Figuras y tablas -
Analysis 2.1

Comparison 2 Suction drain compared with no drain, Outcome 1 Reoperation.

Comparison 2 Suction drain compared with no drain, Outcome 2 Respiratory distress.
Figuras y tablas -
Analysis 2.2

Comparison 2 Suction drain compared with no drain, Outcome 2 Respiratory distress.

Comparison 2 Suction drain compared with no drain, Outcome 3 Wound Infection.
Figuras y tablas -
Analysis 2.3

Comparison 2 Suction drain compared with no drain, Outcome 3 Wound Infection.

Comparison 2 Suction drain compared with no drain, Outcome 4 Collections needing aspiration/drainage without reoperation.
Figuras y tablas -
Analysis 2.4

Comparison 2 Suction drain compared with no drain, Outcome 4 Collections needing aspiration/drainage without reoperation.

Comparison 2 Suction drain compared with no drain, Outcome 5 Minor collections not requiring intervention..
Figuras y tablas -
Analysis 2.5

Comparison 2 Suction drain compared with no drain, Outcome 5 Minor collections not requiring intervention..

Comparison 2 Suction drain compared with no drain, Outcome 6 Pain (proportion).
Figuras y tablas -
Analysis 2.6

Comparison 2 Suction drain compared with no drain, Outcome 6 Pain (proportion).

Comparison 2 Suction drain compared with no drain, Outcome 7 Pain Severity.
Figuras y tablas -
Analysis 2.7

Comparison 2 Suction drain compared with no drain, Outcome 7 Pain Severity.

Comparison 2 Suction drain compared with no drain, Outcome 8 Hospital Stay.
Figuras y tablas -
Analysis 2.8

Comparison 2 Suction drain compared with no drain, Outcome 8 Hospital Stay.

Comparison 3 Open drain compared with no drain, Outcome 1 Collections needing aspiration/drainage without reoperation.
Figuras y tablas -
Analysis 3.1

Comparison 3 Open drain compared with no drain, Outcome 1 Collections needing aspiration/drainage without reoperation.

Comparison 3 Open drain compared with no drain, Outcome 2 Hospital Stay.
Figuras y tablas -
Analysis 3.2

Comparison 3 Open drain compared with no drain, Outcome 2 Hospital Stay.

Comparison 4 Suction drain compared with open drain, Outcome 1 Wound Infection.
Figuras y tablas -
Analysis 4.1

Comparison 4 Suction drain compared with open drain, Outcome 1 Wound Infection.

Comparison 4 Suction drain compared with open drain, Outcome 2 Collections needing aspiration/drainage without reoperation.
Figuras y tablas -
Analysis 4.2

Comparison 4 Suction drain compared with open drain, Outcome 2 Collections needing aspiration/drainage without reoperation.

Comparison 4 Suction drain compared with open drain, Outcome 3 Minor collections not requiring intervention..
Figuras y tablas -
Analysis 4.3

Comparison 4 Suction drain compared with open drain, Outcome 3 Minor collections not requiring intervention..

Comparison 4 Suction drain compared with open drain, Outcome 4 Hospital Stay.
Figuras y tablas -
Analysis 4.4

Comparison 4 Suction drain compared with open drain, Outcome 4 Hospital Stay.

Table 1. Search Strategy

Database

Strategy

Ovid MEDLINE

1 exp Thyroid Gland/
2 exp Thyroid Neoplasms/
3 exp Thyroidectomy/
4 exp Graves Disease/
5 exp Goiter/
6 exp Hyperthyroidism/
7 (thyroid or thyroidectom$ or hemithyroidectom$ or hyperthyroid$ or graves disease or goitre$).ti,ab.
8 or/1‐7
9 exp Drainage/
10 exp Suction/
11 exp Catheterization/
12 (drain$1 or drainage or catheter$).ti,ab.
13 or/9‐12
14 8 and 13
15 RANDOMIZED CONTROLLED TRIAL.pt.
16 CONTROLLED CLINICAL TRIAL.pt.
17 RANDOMIZED CONTROLLED TRIALS.sh.
18 RANDOM ALLOCATION.sh.
19 DOUBLE BLIND METHOD.sh.
20 SINGLE‐BLIND METHOD.sh.
21 or/15‐20
22 Animals/
23 Humans/
24 22 not 23
25 21 not 24
26 CLINICAL TRIAL.pt.
27 exp Clinical Trials/
28 (clin$ adj25 trial$).ti,ab.
29 ((singl$ or doubl$ or trebl$ or tripl$) adj25 (blind$ or mask$)).ti,ab.
30 PLACEBOS.sh.
31 placebo$.ti,ab.
32 random$.ti,ab.
33 or/26‐32
34 33 not 24
35 25 or 34
36 14 and 35

Ovid EMBASE

1 exp Thyroid Gland/
2 exp Thyroid Cancer/
3 exp Thyroidectomy/
4 exp Graves Disease/
5 exp Goiter/
6 exp Hyperthyroidism/
7 (thyroid or thyroidectom$ or hemithyroidectom$ or hyperthyroid$ or graves disease or goitre$).ti,ab.
8 or/1‐7
9 exp drain/
10 exp surgical drainage/
11 exp catheter/
12 (drain$1 or drainage or catheter$).ti,ab.
13 or/9‐12
14 8 and 13
15 exp Clinical trial/
16 Randomized controlled trial/
17 Randomization/
18 Single blind procedure/
19 Double blind procedure/
20 Crossover procedure/
21 Placebo/
22 Randomi?ed controlled trial$.tw.
23 RCT.tw.
24 Random allocation.tw.
25 Randomly allocated.tw.
26 Allocated randomly.tw.
27 (allocated adj2 random).tw.
28 Single blind$.tw.
29 Double blind$.tw.
30 ((treble or triple) adj blind$).tw.
31 Placebo$.tw.
32 Prospective study/
33 or/15‐32
34 Case study/
35 Case report.tw.
36 Abstract report/ or letter/
37 or/34‐36
38 33 not 37
39 animal/
40 human/
41 39 not 40
42 38 not 41
43 14 and 42

WIS Online
CENTRAL

1 MeSH descriptor Thyroid Gland explode all trees
2 MeSH descriptor Thyroid Neoplasms explode all trees
3 MeSH descriptor Thyroidectomy explode all trees
4 MeSH descriptor Graves Disease explode all trees
5 MeSH descriptor Goiter explode all trees
6 MeSH descriptor Hyperthyroidism explode all trees
7 (thyroid or thyroidectom* or hemithyroidectom* or hyperthyroid* or
“graves disease” or goitre*):ti,ab,kw
8 (1 OR 2 OR 3 OR 4 OR 5 OR 6 OR 7)
9 MeSH descriptor Drainage explode all trees
10 MeSH descriptor Suction explode all trees
11 MeSH descriptor Catheterization explode all trees
12 (drain or drains or drainage or catheter$):ti,ab,kw
13 (9 OR 10 OR 11 OR 12)
14 (8 AND 13)

Ovid CINAHL

1 exp Thyroid Gland/
2 exp Thyroid Neoplasms/
3 exp Thyroidectomy/
4 exp Graves Disease/
5 exp Goiter/
6 exp Hyperthyroidism/
7 (thyroid or thyroidectom$ or hemithyroidectom$ or hyperthyroid$ or graves disease or goitre$).ti,ab.
8 or/1‐7
9 exp Drainage/
10 exp Suction/
11 exp Catheterization/
12 exp Catheters/
13 (drain$1 or drainage or catheter$).ti,ab.
14 or/9‐13
15 8 and 14
16 exp clinical trials/
17 Clinical trial.pt.
18 (clinic$ adj trial$1).tw.
19 ((singl$ or doubl$ or trebl$ or tripl$) adj (blind$3 or mask$3)).tw.
20 Randomi?ed control$ trial$.tw.
21 Random assignment/
22 Random$ allocat$.tw.
23 Allocat$ random$.tw.
24 Placebos/
25 placebo$.tw.
26 or/16‐25
27 15 and 26

Figuras y tablas -
Table 1. Search Strategy
Comparison 1. Drain compared with no drain

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1 Reoperation Show forest plot

11

1436

Risk Ratio (M‐H, Fixed, 95% CI)

2.12 [0.77, 5.83]

1.1 Studies of poorer quality

7

884

Risk Ratio (M‐H, Fixed, 95% CI)

3.02 [0.91, 10.06]

1.2 Only high quality studies

4

552

Risk Ratio (M‐H, Fixed, 95% CI)

0.5 [0.05, 5.43]

2 Respiratory distress Show forest plot

3

435

Risk Ratio (M‐H, Fixed, 95% CI)

4.93 [0.24, 100.75]

3 Wound Infection Show forest plot

5

687

Risk Ratio (M‐H, Fixed, 95% CI)

1.60 [0.53, 4.83]

3.1 Studies of poorer quality

2

285

Risk Ratio (M‐H, Fixed, 95% CI)

1.49 [0.25, 8.85]

3.2 Only high quality studies

3

402

Risk Ratio (M‐H, Fixed, 95% CI)

1.67 [0.41, 6.85]

4 Collections needing aspiration/drainage without reoperation Show forest plot

10

1336

Risk Ratio (M‐H, Fixed, 95% CI)

0.51 [0.27, 0.97]

4.1 Studies of poorer quality

6

784

Risk Ratio (M‐H, Fixed, 95% CI)

0.31 [0.13, 0.69]

4.2 Only high quality studies

4

552

Risk Ratio (M‐H, Fixed, 95% CI)

1.82 [0.51, 6.46]

5 Minor collections not requiring intervention. Show forest plot

10

1286

Risk Ratio (M‐H, Fixed, 95% CI)

1.03 [0.68, 1.55]

5.1 Studies of poorer quality

7

884

Risk Ratio (M‐H, Fixed, 95% CI)

1.02 [0.64, 1.64]

5.2 Only high quality studies

3

402

Risk Ratio (M‐H, Fixed, 95% CI)

1.05 [0.46, 2.38]

6 Pain (proportion) Show forest plot

1

100

Risk Ratio (M‐H, Fixed, 95% CI)

2.15 [1.10, 4.23]

7 Pain Severity Show forest plot

1

200

Mean Difference (IV, Fixed, 95% CI)

2.60 [2.21, 2.99]

8 Hospital Stay Show forest plot

8

1001

Mean Difference (IV, Random, 95% CI)

1.18 [0.73, 1.63]

8.1 Studies of poorer quality

5

549

Mean Difference (IV, Random, 95% CI)

1.09 [0.59, 1.59]

8.2 Only high quality studies

3

452

Mean Difference (IV, Random, 95% CI)

1.27 [0.43, 2.12]

Figuras y tablas -
Comparison 1. Drain compared with no drain
Comparison 2. Suction drain compared with no drain

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1 Reoperation Show forest plot

11

1386

Risk Ratio (M‐H, Fixed, 95% CI)

2.12 [0.77, 5.83]

1.1 Studies of poorer quality

7

884

Risk Ratio (M‐H, Fixed, 95% CI)

3.02 [0.91, 10.06]

1.2 only high quality studies

4

502

Risk Ratio (M‐H, Fixed, 95% CI)

0.5 [0.05, 5.43]

2 Respiratory distress Show forest plot

3

435

Risk Ratio (M‐H, Fixed, 95% CI)

4.93 [0.24, 100.75]

3 Wound Infection Show forest plot

5

687

Risk Ratio (M‐H, Fixed, 95% CI)

1.60 [0.53, 4.83]

3.1 Studies of poorer quality

2

285

Risk Ratio (M‐H, Fixed, 95% CI)

1.49 [0.25, 8.85]

3.2 Only high quality studies

3

402

Risk Ratio (M‐H, Fixed, 95% CI)

1.67 [0.41, 6.85]

4 Collections needing aspiration/drainage without reoperation Show forest plot

10

1286

Risk Ratio (M‐H, Fixed, 95% CI)

0.48 [0.25, 0.92]

4.1 Studies of poorer quality

6

784

Risk Ratio (M‐H, Fixed, 95% CI)

0.31 [0.13, 0.69]

4.2 Only high quality studies

4

502

Risk Ratio (M‐H, Fixed, 95% CI)

1.78 [0.44, 7.17]

5 Minor collections not requiring intervention. Show forest plot

10

1286

Risk Ratio (M‐H, Fixed, 95% CI)

1.03 [0.68, 1.55]

5.1 Studies of poorer quality

7

884

Risk Ratio (M‐H, Fixed, 95% CI)

1.02 [0.64, 1.64]

5.2 Only high quality studies

3

402

Risk Ratio (M‐H, Fixed, 95% CI)

1.05 [0.46, 2.38]

6 Pain (proportion) Show forest plot

1

100

Risk Ratio (M‐H, Fixed, 95% CI)

2.15 [1.10, 4.23]

7 Pain Severity Show forest plot

1

200

Mean Difference (IV, Fixed, 95% CI)

2.60 [2.21, 2.99]

8 Hospital Stay Show forest plot

8

951

Mean Difference (IV, Random, 95% CI)

1.20 [0.77, 1.63]

8.1 Studies of poorer quality

5

549

Mean Difference (IV, Random, 95% CI)

1.09 [0.59, 1.59]

8.2 Only high quality studies

3

402

Mean Difference (IV, Random, 95% CI)

1.33 [0.60, 2.06]

Figuras y tablas -
Comparison 2. Suction drain compared with no drain
Comparison 3. Open drain compared with no drain

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1 Collections needing aspiration/drainage without reoperation Show forest plot

1

100

Risk Ratio (M‐H, Fixed, 95% CI)

1.5 [0.26, 8.60]

2 Hospital Stay Show forest plot

1

100

Mean Difference (IV, Fixed, 95% CI)

0.60 [0.28, 0.92]

Figuras y tablas -
Comparison 3. Open drain compared with no drain
Comparison 4. Suction drain compared with open drain

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1 Wound Infection Show forest plot

1

80

Risk Ratio (M‐H, Fixed, 95% CI)

0.33 [0.04, 3.07]

2 Collections needing aspiration/drainage without reoperation Show forest plot

1

100

Risk Ratio (M‐H, Fixed, 95% CI)

0.67 [0.12, 3.82]

3 Minor collections not requiring intervention. Show forest plot

1

80

Risk Ratio (M‐H, Fixed, 95% CI)

0.5 [0.10, 2.58]

4 Hospital Stay Show forest plot

1

100

Mean Difference (IV, Fixed, 95% CI)

0.22 [‐0.25, 0.69]

Figuras y tablas -
Comparison 4. Suction drain compared with open drain