Scolaris Content Display Scolaris Content Display

Comparison 1 Magnesium sulphate versus diazepam, Outcome 1 Maternal death.
Figuras y tablas -
Analysis 1.1

Comparison 1 Magnesium sulphate versus diazepam, Outcome 1 Maternal death.

Comparison 1 Magnesium sulphate versus diazepam, Outcome 2 Recurrence of seizures.
Figuras y tablas -
Analysis 1.2

Comparison 1 Magnesium sulphate versus diazepam, Outcome 2 Recurrence of seizures.

Comparison 1 Magnesium sulphate versus diazepam, Outcome 3 Cerebrovascular accident (stroke).
Figuras y tablas -
Analysis 1.3

Comparison 1 Magnesium sulphate versus diazepam, Outcome 3 Cerebrovascular accident (stroke).

Comparison 1 Magnesium sulphate versus diazepam, Outcome 4 Any serious morbidity (stroke, renal failure, HELLP, DIC, pulmonary edema, cardiac arrest, or as reported.
Figuras y tablas -
Analysis 1.4

Comparison 1 Magnesium sulphate versus diazepam, Outcome 4 Any serious morbidity (stroke, renal failure, HELLP, DIC, pulmonary edema, cardiac arrest, or as reported.

Comparison 1 Magnesium sulphate versus diazepam, Outcome 5 Renal failure.
Figuras y tablas -
Analysis 1.5

Comparison 1 Magnesium sulphate versus diazepam, Outcome 5 Renal failure.

Comparison 1 Magnesium sulphate versus diazepam, Outcome 6 Liver failure.
Figuras y tablas -
Analysis 1.6

Comparison 1 Magnesium sulphate versus diazepam, Outcome 6 Liver failure.

Comparison 1 Magnesium sulphate versus diazepam, Outcome 7 Coagulopathy.
Figuras y tablas -
Analysis 1.7

Comparison 1 Magnesium sulphate versus diazepam, Outcome 7 Coagulopathy.

Comparison 1 Magnesium sulphate versus diazepam, Outcome 8 Side effects: local skin reaction.
Figuras y tablas -
Analysis 1.8

Comparison 1 Magnesium sulphate versus diazepam, Outcome 8 Side effects: local skin reaction.

Comparison 1 Magnesium sulphate versus diazepam, Outcome 9 Pulmonary oedema.
Figuras y tablas -
Analysis 1.9

Comparison 1 Magnesium sulphate versus diazepam, Outcome 9 Pulmonary oedema.

Comparison 1 Magnesium sulphate versus diazepam, Outcome 10 Pneumonia.
Figuras y tablas -
Analysis 1.10

Comparison 1 Magnesium sulphate versus diazepam, Outcome 10 Pneumonia.

Comparison 1 Magnesium sulphate versus diazepam, Outcome 11 Respiratory depression.
Figuras y tablas -
Analysis 1.11

Comparison 1 Magnesium sulphate versus diazepam, Outcome 11 Respiratory depression.

Comparison 1 Magnesium sulphate versus diazepam, Outcome 12 Cardiac arrest.
Figuras y tablas -
Analysis 1.12

Comparison 1 Magnesium sulphate versus diazepam, Outcome 12 Cardiac arrest.

Comparison 1 Magnesium sulphate versus diazepam, Outcome 13 Death or any serious maternal morbidity.
Figuras y tablas -
Analysis 1.13

Comparison 1 Magnesium sulphate versus diazepam, Outcome 13 Death or any serious maternal morbidity.

Comparison 1 Magnesium sulphate versus diazepam, Outcome 14 Woman admitted to intensive care unit.
Figuras y tablas -
Analysis 1.14

Comparison 1 Magnesium sulphate versus diazepam, Outcome 14 Woman admitted to intensive care unit.

Comparison 1 Magnesium sulphate versus diazepam, Outcome 15 Maternal ventilation.
Figuras y tablas -
Analysis 1.15

Comparison 1 Magnesium sulphate versus diazepam, Outcome 15 Maternal ventilation.

Comparison 1 Magnesium sulphate versus diazepam, Outcome 16 Labour > 8 hours.
Figuras y tablas -
Analysis 1.16

Comparison 1 Magnesium sulphate versus diazepam, Outcome 16 Labour > 8 hours.

Comparison 1 Magnesium sulphate versus diazepam, Outcome 17 Caesarean section.
Figuras y tablas -
Analysis 1.17

Comparison 1 Magnesium sulphate versus diazepam, Outcome 17 Caesarean section.

Comparison 1 Magnesium sulphate versus diazepam, Outcome 18 Blood loss at birth > 500 ml.
Figuras y tablas -
Analysis 1.18

Comparison 1 Magnesium sulphate versus diazepam, Outcome 18 Blood loss at birth > 500 ml.

Comparison 1 Magnesium sulphate versus diazepam, Outcome 19 Death of the fetus or infant.
Figuras y tablas -
Analysis 1.19

Comparison 1 Magnesium sulphate versus diazepam, Outcome 19 Death of the fetus or infant.

Comparison 1 Magnesium sulphate versus diazepam, Outcome 20 Preterm birth.
Figuras y tablas -
Analysis 1.20

Comparison 1 Magnesium sulphate versus diazepam, Outcome 20 Preterm birth.

Comparison 1 Magnesium sulphate versus diazepam, Outcome 21 Apgar scores.
Figuras y tablas -
Analysis 1.21

Comparison 1 Magnesium sulphate versus diazepam, Outcome 21 Apgar scores.

Comparison 1 Magnesium sulphate versus diazepam, Outcome 22 Admitted to special care baby unit (SCBU).
Figuras y tablas -
Analysis 1.22

Comparison 1 Magnesium sulphate versus diazepam, Outcome 22 Admitted to special care baby unit (SCBU).

Comparison 1 Magnesium sulphate versus diazepam, Outcome 23 Death or in SCBU > 7 days.
Figuras y tablas -
Analysis 1.23

Comparison 1 Magnesium sulphate versus diazepam, Outcome 23 Death or in SCBU > 7 days.

Comparison 1 Magnesium sulphate versus diazepam, Outcome 24 Intubation at place of birth.
Figuras y tablas -
Analysis 1.24

Comparison 1 Magnesium sulphate versus diazepam, Outcome 24 Intubation at place of birth.

Comparison 2 Magnesium sulphate versus diazepam (subgroups by whether randomisation before or after birth), Outcome 1 Death.
Figuras y tablas -
Analysis 2.1

Comparison 2 Magnesium sulphate versus diazepam (subgroups by whether randomisation before or after birth), Outcome 1 Death.

Comparison 2 Magnesium sulphate versus diazepam (subgroups by whether randomisation before or after birth), Outcome 2 Recurrence of seizures.
Figuras y tablas -
Analysis 2.2

Comparison 2 Magnesium sulphate versus diazepam (subgroups by whether randomisation before or after birth), Outcome 2 Recurrence of seizures.

Comparison 2 Magnesium sulphate versus diazepam (subgroups by whether randomisation before or after birth), Outcome 3 Stroke.
Figuras y tablas -
Analysis 2.3

Comparison 2 Magnesium sulphate versus diazepam (subgroups by whether randomisation before or after birth), Outcome 3 Stroke.

Comparison 3 Magnesium sulphate versus diazepam (subgroups by whether anticonvulsants before randomisation), Outcome 1 Maternal death.
Figuras y tablas -
Analysis 3.1

Comparison 3 Magnesium sulphate versus diazepam (subgroups by whether anticonvulsants before randomisation), Outcome 1 Maternal death.

Comparison 3 Magnesium sulphate versus diazepam (subgroups by whether anticonvulsants before randomisation), Outcome 2 Recurrence of seizures.
Figuras y tablas -
Analysis 3.2

Comparison 3 Magnesium sulphate versus diazepam (subgroups by whether anticonvulsants before randomisation), Outcome 2 Recurrence of seizures.

Comparison 3 Magnesium sulphate versus diazepam (subgroups by whether anticonvulsants before randomisation), Outcome 3 Any serious maternal morbidity.
Figuras y tablas -
Analysis 3.3

Comparison 3 Magnesium sulphate versus diazepam (subgroups by whether anticonvulsants before randomisation), Outcome 3 Any serious maternal morbidity.

Comparison 3 Magnesium sulphate versus diazepam (subgroups by whether anticonvulsants before randomisation), Outcome 4 Perinatal death.
Figuras y tablas -
Analysis 3.4

Comparison 3 Magnesium sulphate versus diazepam (subgroups by whether anticonvulsants before randomisation), Outcome 4 Perinatal death.

Comparison 3 Magnesium sulphate versus diazepam (subgroups by whether anticonvulsants before randomisation), Outcome 5 Neonatal death.
Figuras y tablas -
Analysis 3.5

Comparison 3 Magnesium sulphate versus diazepam (subgroups by whether anticonvulsants before randomisation), Outcome 5 Neonatal death.

Comparison 3 Magnesium sulphate versus diazepam (subgroups by whether anticonvulsants before randomisation), Outcome 6 Stay in SCBU > 7 days.
Figuras y tablas -
Analysis 3.6

Comparison 3 Magnesium sulphate versus diazepam (subgroups by whether anticonvulsants before randomisation), Outcome 6 Stay in SCBU > 7 days.

Comparison 4 Magnesium sulphate versus diazepam (subgroups by route of magnesium maintenance), Outcome 1 Maternal cardiac arrest.
Figuras y tablas -
Analysis 4.1

Comparison 4 Magnesium sulphate versus diazepam (subgroups by route of magnesium maintenance), Outcome 1 Maternal cardiac arrest.

Comparison 4 Magnesium sulphate versus diazepam (subgroups by route of magnesium maintenance), Outcome 2 Maternal respiratory depression.
Figuras y tablas -
Analysis 4.2

Comparison 4 Magnesium sulphate versus diazepam (subgroups by route of magnesium maintenance), Outcome 2 Maternal respiratory depression.

Comparison 4 Magnesium sulphate versus diazepam (subgroups by route of magnesium maintenance), Outcome 3 Pneumonia.
Figuras y tablas -
Analysis 4.3

Comparison 4 Magnesium sulphate versus diazepam (subgroups by route of magnesium maintenance), Outcome 3 Pneumonia.

Comparison 4 Magnesium sulphate versus diazepam (subgroups by route of magnesium maintenance), Outcome 4 Maternal ventilation.
Figuras y tablas -
Analysis 4.4

Comparison 4 Magnesium sulphate versus diazepam (subgroups by route of magnesium maintenance), Outcome 4 Maternal ventilation.

Comparison 1. Magnesium sulphate versus diazepam

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1 Maternal death Show forest plot

7

1396

Risk Ratio (M‐H, Fixed, 95% CI)

0.59 [0.38, 0.92]

2 Recurrence of seizures Show forest plot

7

1390

Risk Ratio (M‐H, Fixed, 95% CI)

0.42 [0.33, 0.54]

3 Cerebrovascular accident (stroke) Show forest plot

4

1225

Risk Ratio (M‐H, Fixed, 95% CI)

0.62 [0.32, 1.18]

4 Any serious morbidity (stroke, renal failure, HELLP, DIC, pulmonary edema, cardiac arrest, or as reported Show forest plot

2

956

Risk Ratio (M‐H, Fixed, 95% CI)

0.88 [0.64, 1.19]

5 Renal failure Show forest plot

5

1164

Risk Ratio (M‐H, Fixed, 95% CI)

0.85 [0.53, 1.36]

6 Liver failure Show forest plot

2

974

Risk Ratio (M‐H, Fixed, 95% CI)

1.00 [0.48, 2.07]

7 Coagulopathy Show forest plot

4

1036

Risk Ratio (M‐H, Fixed, 95% CI)

0.89 [0.56, 1.41]

8 Side effects: local skin reaction Show forest plot

1

51

Risk Ratio (M‐H, Fixed, 95% CI)

0.0 [0.0, 0.0]

9 Pulmonary oedema Show forest plot

3

1013

Risk Ratio (M‐H, Fixed, 95% CI)

0.86 [0.35, 2.07]

10 Pneumonia Show forest plot

4

1125

Risk Ratio (M‐H, Fixed, 95% CI)

0.64 [0.31, 1.33]

11 Respiratory depression Show forest plot

3

1025

Risk Ratio (M‐H, Fixed, 95% CI)

0.86 [0.57, 1.30]

12 Cardiac arrest Show forest plot

4

1085

Risk Ratio (M‐H, Fixed, 95% CI)

0.80 [0.41, 1.54]

13 Death or any serious maternal morbidity Show forest plot

1

905

Risk Ratio (M‐H, Fixed, 95% CI)

1.06 [0.80, 1.41]

14 Woman admitted to intensive care unit Show forest plot

3

1034

Risk Ratio (M‐H, Fixed, 95% CI)

0.80 [0.59, 1.07]

15 Maternal ventilation Show forest plot

3

1025

Risk Ratio (M‐H, Fixed, 95% CI)

0.73 [0.45, 1.18]

16 Labour > 8 hours Show forest plot

1

633

Risk Ratio (M‐H, Fixed, 95% CI)

1.15 [0.82, 1.60]

17 Caesarean section Show forest plot

5

777

Risk Ratio (M‐H, Random, 95% CI)

1.06 [0.79, 1.43]

18 Blood loss at birth > 500 ml Show forest plot

3

715

Risk Ratio (M‐H, Fixed, 95% CI)

0.97 [0.74, 1.28]

19 Death of the fetus or infant Show forest plot

5

Risk Ratio (M‐H, Fixed, 95% CI)

Subtotals only

19.1 Stillbirth

5

799

Risk Ratio (M‐H, Fixed, 95% CI)

0.97 [0.70, 1.34]

19.2 Perinatal death

4

788

Risk Ratio (M‐H, Fixed, 95% CI)

1.04 [0.81, 1.34]

19.3 Neonatal death

4

759

Risk Ratio (M‐H, Fixed, 95% CI)

1.18 [0.75, 1.84]

20 Preterm birth Show forest plot

2

Risk Ratio (M‐H, Fixed, 95% CI)

Subtotals only

20.1 Preterm birth < 37 weeks

2

94

Risk Ratio (M‐H, Fixed, 95% CI)

0.79 [0.46, 1.38]

20.2 Preterm birth < 32‐34 weeks

1

51

Risk Ratio (M‐H, Fixed, 95% CI)

2.25 [0.63, 8.03]

21 Apgar scores Show forest plot

3

Risk Ratio (M‐H, Fixed, 95% CI)

Subtotals only

21.1 Apgar < 7 at 1 minute

2

597

Risk Ratio (M‐H, Fixed, 95% CI)

0.75 [0.65, 0.87]

21.2 Apgar < 7 at 5 minutes

3

643

Risk Ratio (M‐H, Fixed, 95% CI)

0.70 [0.54, 0.90]

22 Admitted to special care baby unit (SCBU) Show forest plot

3

Risk Ratio (M‐H, Fixed, 95% CI)

Subtotals only

22.1 Stay in SCBU > 7 days

3

634

Risk Ratio (M‐H, Fixed, 95% CI)

0.66 [0.46, 0.96]

22.2 Admission to SCBU

3

634

Risk Ratio (M‐H, Fixed, 95% CI)

0.92 [0.79, 1.06]

23 Death or in SCBU > 7 days Show forest plot

2

688

Risk Ratio (M‐H, Fixed, 95% CI)

0.95 [0.77, 1.16]

24 Intubation at place of birth Show forest plot

2

591

Risk Ratio (M‐H, Fixed, 95% CI)

0.67 [0.45, 1.00]

Figuras y tablas -
Comparison 1. Magnesium sulphate versus diazepam
Comparison 2. Magnesium sulphate versus diazepam (subgroups by whether randomisation before or after birth)

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1 Death Show forest plot

7

1396

Risk Ratio (M‐H, Fixed, 95% CI)

0.59 [0.38, 0.92]

1.1 Randomised before delivery

1

51

Risk Ratio (M‐H, Fixed, 95% CI)

3.36 [0.14, 78.79]

1.2 Randomised after delivery

0

0

Risk Ratio (M‐H, Fixed, 95% CI)

0.0 [0.0, 0.0]

1.3 Mixed, or unclear whether randomised before delivery

6

1345

Risk Ratio (M‐H, Fixed, 95% CI)

0.56 [0.36, 0.88]

2 Recurrence of seizures Show forest plot

7

1390

Risk Ratio (M‐H, Fixed, 95% CI)

0.42 [0.33, 0.54]

2.1 Randomised before delivery

2

684

Risk Ratio (M‐H, Fixed, 95% CI)

0.55 [0.40, 0.74]

2.2 Randomised after delivery

1

272

Risk Ratio (M‐H, Fixed, 95% CI)

0.37 [0.21, 0.64]

2.3 Mixed, or unclear whether randomised before delivery

5

434

Risk Ratio (M‐H, Fixed, 95% CI)

0.21 [0.11, 0.40]

3 Stroke Show forest plot

4

1225

Risk Ratio (M‐H, Fixed, 95% CI)

0.62 [0.32, 1.18]

3.1 Randomised before delivery

1

51

Risk Ratio (M‐H, Fixed, 95% CI)

0.37 [0.02, 8.75]

3.2 Randomised after delivery

0

0

Risk Ratio (M‐H, Fixed, 95% CI)

0.0 [0.0, 0.0]

3.3 Mixed, or unclear whether randomised before delivery

3

1174

Risk Ratio (M‐H, Fixed, 95% CI)

0.63 [0.33, 1.22]

Figuras y tablas -
Comparison 2. Magnesium sulphate versus diazepam (subgroups by whether randomisation before or after birth)
Comparison 3. Magnesium sulphate versus diazepam (subgroups by whether anticonvulsants before randomisation)

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1 Maternal death Show forest plot

7

1396

Risk Ratio (M‐H, Fixed, 95% CI)

0.59 [0.38, 0.91]

1.1 Anticonvulsant before trial entry

1

34

Risk Ratio (M‐H, Fixed, 95% CI)

3.0 [0.13, 68.84]

1.2 No anticonvulsant before trial entry

1

17

Risk Ratio (M‐H, Fixed, 95% CI)

0.0 [0.0, 0.0]

1.3 Mixed, or unclear whether anticonvulsant before trial entry

6

1345

Risk Ratio (M‐H, Fixed, 95% CI)

0.56 [0.36, 0.88]

2 Recurrence of seizures Show forest plot

7

1369

Risk Ratio (M‐H, Fixed, 95% CI)

0.43 [0.34, 0.56]

2.1 Anticonvulsant before trial entry

2

447

Risk Ratio (M‐H, Fixed, 95% CI)

0.59 [0.41, 0.85]

2.2 No anticonvulsant before trial entry

2

488

Risk Ratio (M‐H, Fixed, 95% CI)

0.44 [0.30, 0.65]

2.3 Mixed, or unclear whether anticonvulsant before trial entry

5

434

Risk Ratio (M‐H, Fixed, 95% CI)

0.21 [0.11, 0.40]

3 Any serious maternal morbidity Show forest plot

2

956

Risk Ratio (M‐H, Fixed, 95% CI)

0.89 [0.65, 1.20]

3.1 Anticonvulsant before trial entry

1

34

Risk Ratio (M‐H, Fixed, 95% CI)

0.43 [0.13, 1.39]

3.2 No anticonvulsant before trial entry

1

17

Risk Ratio (M‐H, Fixed, 95% CI)

0.82 [0.38, 1.74]

3.3 Mixed, or unclear whether anticonvulsant before trial entry

1

905

Risk Ratio (M‐H, Fixed, 95% CI)

0.95 [0.67, 1.33]

4 Perinatal death Show forest plot

4

788

Risk Ratio (M‐H, Fixed, 95% CI)

1.06 [0.83, 1.35]

4.1 Anticonvulsant before trial entry

1

37

Risk Ratio (M‐H, Fixed, 95% CI)

1.89 [0.19, 19.13]

4.2 No anticonvulsant before trial entry

1

20

Risk Ratio (M‐H, Fixed, 95% CI)

0.75 [0.08, 6.96]

4.3 Mixed, or unclear whether anticonvulsant before trial entry

3

731

Risk Ratio (M‐H, Fixed, 95% CI)

1.05 [0.82, 1.35]

5 Neonatal death Show forest plot

4

759

Risk Ratio (M‐H, Fixed, 95% CI)

1.18 [0.76, 1.84]

5.1 Anticonvulsant before trial entry

1

37

Risk Ratio (M‐H, Fixed, 95% CI)

2.85 [0.12, 65.74]

5.2 No anticonvulsant before trial entry

1

20

Risk Ratio (M‐H, Fixed, 95% CI)

4.33 [0.20, 94.83]

5.3 Mixed, or unclear whether anticonvulsant before trial entry

3

702

Risk Ratio (M‐H, Fixed, 95% CI)

1.11 [0.71, 1.75]

6 Stay in SCBU > 7 days Show forest plot

2

600

Risk Ratio (M‐H, Fixed, 95% CI)

0.64 [0.44, 0.93]

6.1 Anticonvulsant before trial entry

1

37

Risk Ratio (M‐H, Fixed, 95% CI)

0.47 [0.10, 2.28]

6.2 No anticonvulsant before trial entry

1

20

Risk Ratio (M‐H, Fixed, 95% CI)

1.0 [0.21, 4.71]

6.3 Mixed, or unclear whether anticonvulsant before trial entry

1

543

Risk Ratio (M‐H, Fixed, 95% CI)

0.64 [0.43, 0.94]

Figuras y tablas -
Comparison 3. Magnesium sulphate versus diazepam (subgroups by whether anticonvulsants before randomisation)
Comparison 4. Magnesium sulphate versus diazepam (subgroups by route of magnesium maintenance)

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1 Maternal cardiac arrest Show forest plot

4

1085

Risk Ratio (M‐H, Fixed, 95% CI)

0.80 [0.41, 1.54]

1.1 IM magnesium sulphate maintenance

2

120

Risk Ratio (M‐H, Fixed, 95% CI)

0.52 [0.10, 2.66]

1.2 IV magnesium sulphate maintenance

1

60

Risk Ratio (M‐H, Fixed, 95% CI)

0.14 [0.01, 2.65]

1.3 Mixed, or route for maintenance unclear

1

905

Risk Ratio (M‐H, Fixed, 95% CI)

1.08 [0.50, 2.34]

2 Maternal respiratory depression Show forest plot

3

1025

Risk Ratio (M‐H, Fixed, 95% CI)

0.86 [0.57, 1.30]

2.1 IM magnesium sulphate maintenance

2

120

Risk Ratio (M‐H, Fixed, 95% CI)

0.30 [0.10, 0.93]

2.2 IV magnesium sulphate maintenance

0

0

Risk Ratio (M‐H, Fixed, 95% CI)

0.0 [0.0, 0.0]

2.3 Mixed, or route of maintenance unclear

1

905

Risk Ratio (M‐H, Fixed, 95% CI)

1.06 [0.67, 1.67]

3 Pneumonia Show forest plot

4

1125

Risk Ratio (M‐H, Fixed, 95% CI)

0.64 [0.31, 1.33]

3.1 IM magnesium sulphate maintenance

3

220

Risk Ratio (M‐H, Fixed, 95% CI)

0.65 [0.15, 2.87]

3.2 IV magnesium sulphate maintenance

0

0

Risk Ratio (M‐H, Fixed, 95% CI)

0.0 [0.0, 0.0]

3.3 Mixed, or route of maintenance unclear maintenance

1

905

Risk Ratio (M‐H, Fixed, 95% CI)

0.64 [0.28, 1.47]

4 Maternal ventilation Show forest plot

3

1025

Risk Ratio (M‐H, Fixed, 95% CI)

0.73 [0.45, 1.18]

4.1 IM magnesium sulphate maintenance

2

120

Risk Ratio (M‐H, Fixed, 95% CI)

0.20 [0.05, 0.88]

4.2 IV magnesium sulphate maintenance

0

0

Risk Ratio (M‐H, Fixed, 95% CI)

0.0 [0.0, 0.0]

4.3 Mixed maintenance

1

905

Risk Ratio (M‐H, Fixed, 95% CI)

0.92 [0.54, 1.57]

Figuras y tablas -
Comparison 4. Magnesium sulphate versus diazepam (subgroups by route of magnesium maintenance)