Scolaris Content Display Scolaris Content Display

Comparison 1 Shunting (routine or selective) versus no shunting, Outcome 1 Death from all causes within 30 days of surgery.
Figuras y tablas -
Analysis 1.1

Comparison 1 Shunting (routine or selective) versus no shunting, Outcome 1 Death from all causes within 30 days of surgery.

Comparison 1 Shunting (routine or selective) versus no shunting, Outcome 2 Stroke‐related death within 30 days of surgery (best case).
Figuras y tablas -
Analysis 1.2

Comparison 1 Shunting (routine or selective) versus no shunting, Outcome 2 Stroke‐related death within 30 days of surgery (best case).

Comparison 1 Shunting (routine or selective) versus no shunting, Outcome 3 Stroke‐related death within 30 days of surgery (worst case).
Figuras y tablas -
Analysis 1.3

Comparison 1 Shunting (routine or selective) versus no shunting, Outcome 3 Stroke‐related death within 30 days of surgery (worst case).

Comparison 1 Shunting (routine or selective) versus no shunting, Outcome 4 Any stroke during surgery (best case).
Figuras y tablas -
Analysis 1.4

Comparison 1 Shunting (routine or selective) versus no shunting, Outcome 4 Any stroke during surgery (best case).

Comparison 1 Shunting (routine or selective) versus no shunting, Outcome 5 Any stroke during surgery (worst case).
Figuras y tablas -
Analysis 1.5

Comparison 1 Shunting (routine or selective) versus no shunting, Outcome 5 Any stroke during surgery (worst case).

Comparison 1 Shunting (routine or selective) versus no shunting, Outcome 6 Any stroke within 24 hours of surgery.
Figuras y tablas -
Analysis 1.6

Comparison 1 Shunting (routine or selective) versus no shunting, Outcome 6 Any stroke within 24 hours of surgery.

Comparison 1 Shunting (routine or selective) versus no shunting, Outcome 7 Any stroke within 30 days of surgery.
Figuras y tablas -
Analysis 1.7

Comparison 1 Shunting (routine or selective) versus no shunting, Outcome 7 Any stroke within 30 days of surgery.

Comparison 1 Shunting (routine or selective) versus no shunting, Outcome 8 Ipsilateral stroke during surgery (best case).
Figuras y tablas -
Analysis 1.8

Comparison 1 Shunting (routine or selective) versus no shunting, Outcome 8 Ipsilateral stroke during surgery (best case).

Comparison 1 Shunting (routine or selective) versus no shunting, Outcome 9 Ipsilateral stroke during surgery (worst case).
Figuras y tablas -
Analysis 1.9

Comparison 1 Shunting (routine or selective) versus no shunting, Outcome 9 Ipsilateral stroke during surgery (worst case).

Comparison 1 Shunting (routine or selective) versus no shunting, Outcome 10 Ipsilateral stroke within 30 days of surgery (best case).
Figuras y tablas -
Analysis 1.10

Comparison 1 Shunting (routine or selective) versus no shunting, Outcome 10 Ipsilateral stroke within 30 days of surgery (best case).

Comparison 1 Shunting (routine or selective) versus no shunting, Outcome 11 Ipsilateral stroke within 30 days of surgery (worst case).
Figuras y tablas -
Analysis 1.11

Comparison 1 Shunting (routine or selective) versus no shunting, Outcome 11 Ipsilateral stroke within 30 days of surgery (worst case).

Comparison 1 Shunting (routine or selective) versus no shunting, Outcome 12 Stroke or death within 30 days of surgery (best case).
Figuras y tablas -
Analysis 1.12

Comparison 1 Shunting (routine or selective) versus no shunting, Outcome 12 Stroke or death within 30 days of surgery (best case).

Comparison 1 Shunting (routine or selective) versus no shunting, Outcome 13 Stroke or death within 30 days of surgery (worst case).
Figuras y tablas -
Analysis 1.13

Comparison 1 Shunting (routine or selective) versus no shunting, Outcome 13 Stroke or death within 30 days of surgery (worst case).

Comparison 1 Shunting (routine or selective) versus no shunting, Outcome 14 Haemorrhage from operation site.
Figuras y tablas -
Analysis 1.14

Comparison 1 Shunting (routine or selective) versus no shunting, Outcome 14 Haemorrhage from operation site.

Comparison 1 Shunting (routine or selective) versus no shunting, Outcome 15 Infection of operation site.
Figuras y tablas -
Analysis 1.15

Comparison 1 Shunting (routine or selective) versus no shunting, Outcome 15 Infection of operation site.

Comparison 1 Shunting (routine or selective) versus no shunting, Outcome 16 Nerve palsy post‐operatively.
Figuras y tablas -
Analysis 1.16

Comparison 1 Shunting (routine or selective) versus no shunting, Outcome 16 Nerve palsy post‐operatively.

Comparison 2 Different monitoring methods for selective shunting, Outcome 1 Ipsilateral stroke within 24 hours of surgery.
Figuras y tablas -
Analysis 2.1

Comparison 2 Different monitoring methods for selective shunting, Outcome 1 Ipsilateral stroke within 24 hours of surgery.

Comparison 2 Different monitoring methods for selective shunting, Outcome 2 Haemorrhage from operation site.
Figuras y tablas -
Analysis 2.2

Comparison 2 Different monitoring methods for selective shunting, Outcome 2 Haemorrhage from operation site.

Comparison 2 Different monitoring methods for selective shunting, Outcome 3 Nerve palsy post‐operatively.
Figuras y tablas -
Analysis 2.3

Comparison 2 Different monitoring methods for selective shunting, Outcome 3 Nerve palsy post‐operatively.

Comparison 2 Different monitoring methods for selective shunting, Outcome 4 Number of shunts inserted.
Figuras y tablas -
Analysis 2.4

Comparison 2 Different monitoring methods for selective shunting, Outcome 4 Number of shunts inserted.

Comparison 1. Shunting (routine or selective) versus no shunting

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1 Death from all causes within 30 days of surgery Show forest plot

3

655

Peto Odds Ratio (Peto, Fixed, 95% CI)

0.45 [0.13, 1.59]

1.1 Routine shunting versus no shunting

3

655

Peto Odds Ratio (Peto, Fixed, 95% CI)

0.45 [0.13, 1.59]

2 Stroke‐related death within 30 days of surgery (best case) Show forest plot

3

655

Peto Odds Ratio (Peto, Fixed, 95% CI)

0.13 [0.02, 0.96]

2.1 Routine shunting versus no shunting

3

655

Peto Odds Ratio (Peto, Fixed, 95% CI)

0.13 [0.02, 0.96]

3 Stroke‐related death within 30 days of surgery (worst case) Show forest plot

3

655

Peto Odds Ratio (Peto, Fixed, 95% CI)

0.37 [0.05, 2.62]

3.1 Routine shunting versus no shunting

3

655

Peto Odds Ratio (Peto, Fixed, 95% CI)

0.37 [0.05, 2.62]

4 Any stroke during surgery (best case) Show forest plot

3

655

Peto Odds Ratio (Peto, Fixed, 95% CI)

0.42 [0.16, 1.07]

4.1 Routine shunting versus no shunting

3

655

Peto Odds Ratio (Peto, Fixed, 95% CI)

0.42 [0.16, 1.07]

5 Any stroke during surgery (worst case) Show forest plot

3

655

Peto Odds Ratio (Peto, Fixed, 95% CI)

1.32 [0.52, 3.38]

5.1 Routine shunting versus no shunting

3

655

Peto Odds Ratio (Peto, Fixed, 95% CI)

1.32 [0.52, 3.38]

6 Any stroke within 24 hours of surgery Show forest plot

2

214

Peto Odds Ratio (Peto, Fixed, 95% CI)

0.15 [0.03, 0.78]

6.1 Routine shunting versus no shunting

2

214

Peto Odds Ratio (Peto, Fixed, 95% CI)

0.15 [0.03, 0.78]

7 Any stroke within 30 days of surgery Show forest plot

3

655

Peto Odds Ratio (Peto, Fixed, 95% CI)

0.77 [0.35, 1.69]

7.1 Routine shunting versus no shunting

3

655

Peto Odds Ratio (Peto, Fixed, 95% CI)

0.77 [0.35, 1.69]

8 Ipsilateral stroke during surgery (best case) Show forest plot

3

737

Peto Odds Ratio (Peto, Fixed, 95% CI)

0.42 [0.17, 1.08]

8.1 Routine shunting versus no shunting

3

737

Peto Odds Ratio (Peto, Fixed, 95% CI)

0.42 [0.17, 1.08]

9 Ipsilateral stroke during surgery (worst case) Show forest plot

3

737

Peto Odds Ratio (Peto, Fixed, 95% CI)

1.32 [0.52, 3.37]

9.1 Routine shunting versus no shunting

3

737

Peto Odds Ratio (Peto, Fixed, 95% CI)

1.32 [0.52, 3.37]

10 Ipsilateral stroke within 30 days of surgery (best case) Show forest plot

3

737

Peto Odds Ratio (Peto, Fixed, 95% CI)

0.41 [0.18, 0.97]

10.1 Routine shunting versus no shunting

3

737

Peto Odds Ratio (Peto, Fixed, 95% CI)

0.41 [0.18, 0.97]

11 Ipsilateral stroke within 30 days of surgery (worst case) Show forest plot

3

737

Peto Odds Ratio (Peto, Fixed, 95% CI)

0.88 [0.38, 2.05]

11.1 Routine shunting

3

737

Peto Odds Ratio (Peto, Fixed, 95% CI)

0.88 [0.38, 2.05]

12 Stroke or death within 30 days of surgery (best case) Show forest plot

3

655

Peto Odds Ratio (Peto, Fixed, 95% CI)

0.62 [0.31, 1.27]

12.1 Routine shunting versus no shunting

3

655

Peto Odds Ratio (Peto, Fixed, 95% CI)

0.62 [0.31, 1.27]

13 Stroke or death within 30 days of surgery (worst case) Show forest plot

3

655

Peto Odds Ratio (Peto, Fixed, 95% CI)

0.81 [0.40, 1.66]

13.1 Routine shunting versus no shunting

3

655

Peto Odds Ratio (Peto, Fixed, 95% CI)

0.81 [0.40, 1.66]

14 Haemorrhage from operation site Show forest plot

2

641

Peto Odds Ratio (Peto, Fixed, 95% CI)

1.19 [0.07, 19.47]

14.1 Routine shunting versus no shunting

2

641

Peto Odds Ratio (Peto, Fixed, 95% CI)

1.19 [0.07, 19.47]

15 Infection of operation site Show forest plot

2

641

Peto Odds Ratio (Peto, Fixed, 95% CI)

0.16 [0.00, 8.12]

15.1 Routine shunting versus no shunting

2

641

Peto Odds Ratio (Peto, Fixed, 95% CI)

0.16 [0.00, 8.12]

16 Nerve palsy post‐operatively Show forest plot

1

138

Peto Odds Ratio (Peto, Fixed, 95% CI)

1.81 [0.30, 10.82]

16.1 Routine shunting versus no shunting

1

138

Peto Odds Ratio (Peto, Fixed, 95% CI)

1.81 [0.30, 10.82]

Figuras y tablas -
Comparison 1. Shunting (routine or selective) versus no shunting
Comparison 2. Different monitoring methods for selective shunting

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1 Ipsilateral stroke within 24 hours of surgery Show forest plot

1

142

Peto Odds Ratio (Peto, Fixed, 95% CI)

1.47 [0.25, 8.68]

1.1 EEG + back pressure versus back pressure

1

142

Peto Odds Ratio (Peto, Fixed, 95% CI)

1.47 [0.25, 8.68]

2 Haemorrhage from operation site Show forest plot

1

142

Peto Odds Ratio (Peto, Fixed, 95% CI)

2.70 [0.37, 19.58]

2.1 EEG + back pressure versus back pressure

1

142

Peto Odds Ratio (Peto, Fixed, 95% CI)

2.70 [0.37, 19.58]

3 Nerve palsy post‐operatively Show forest plot

1

142

Peto Odds Ratio (Peto, Fixed, 95% CI)

1.18 [0.35, 4.02]

3.1 EEG + back pressure versus back pressure

1

142

Peto Odds Ratio (Peto, Fixed, 95% CI)

1.18 [0.35, 4.02]

4 Number of shunts inserted Show forest plot

1

142

Peto Odds Ratio (Peto, Fixed, 95% CI)

0.43 [0.18, 0.98]

4.1 EEG + back pressure versus back pressure

1

142

Peto Odds Ratio (Peto, Fixed, 95% CI)

0.43 [0.18, 0.98]

Figuras y tablas -
Comparison 2. Different monitoring methods for selective shunting