Scolaris Content Display Scolaris Content Display

Study flow diagram: review update

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Figure 1

Study flow diagram: review update

Comparison 1: HFPPV vs CMV, Outcome 1: Death

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Analysis 1.1

Comparison 1: HFPPV vs CMV, Outcome 1: Death

Comparison 1: HFPPV vs CMV, Outcome 2: Air leaks

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Analysis 1.2

Comparison 1: HFPPV vs CMV, Outcome 2: Air leaks

Comparison 1: HFPPV vs CMV, Outcome 3: Total air leak

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Analysis 1.3

Comparison 1: HFPPV vs CMV, Outcome 3: Total air leak

Comparison 1: HFPPV vs CMV, Outcome 4: BPD (oxygen dependency at 28 days)

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Analysis 1.4

Comparison 1: HFPPV vs CMV, Outcome 4: BPD (oxygen dependency at 28 days)

Comparison 1: HFPPV vs CMV, Outcome 5: IVH

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Analysis 1.5

Comparison 1: HFPPV vs CMV, Outcome 5: IVH

Comparison 2: ACV/SIMV vs CMV, Outcome 1: Death

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Analysis 2.1

Comparison 2: ACV/SIMV vs CMV, Outcome 1: Death

Comparison 2: ACV/SIMV vs CMV, Outcome 2: Air leaks

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Analysis 2.2

Comparison 2: ACV/SIMV vs CMV, Outcome 2: Air leaks

Comparison 2: ACV/SIMV vs CMV, Outcome 3: Duration of ventilation (hours)

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Analysis 2.3

Comparison 2: ACV/SIMV vs CMV, Outcome 3: Duration of ventilation (hours)

Comparison 2: ACV/SIMV vs CMV, Outcome 4: Extubation failure

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Analysis 2.4

Comparison 2: ACV/SIMV vs CMV, Outcome 4: Extubation failure

Comparison 2: ACV/SIMV vs CMV, Outcome 5: Severe IVH

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Analysis 2.5

Comparison 2: ACV/SIMV vs CMV, Outcome 5: Severe IVH

Comparison 2: ACV/SIMV vs CMV, Outcome 6: BPD (oxygen dependency at 28 days)

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Analysis 2.6

Comparison 2: ACV/SIMV vs CMV, Outcome 6: BPD (oxygen dependency at 28 days)

Comparison 2: ACV/SIMV vs CMV, Outcome 7: Moderate/Severe BPD (oxygen dependent at 36 weeks PCA)

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Analysis 2.7

Comparison 2: ACV/SIMV vs CMV, Outcome 7: Moderate/Severe BPD (oxygen dependent at 36 weeks PCA)

Comparison 3: SIMV or SIMV + PS vs HFOV, Outcome 1: Death

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Analysis 3.1

Comparison 3: SIMV or SIMV + PS vs HFOV, Outcome 1: Death

Comparison 3: SIMV or SIMV + PS vs HFOV, Outcome 2: BPD: oxygen requirement at 28 days

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Analysis 3.2

Comparison 3: SIMV or SIMV + PS vs HFOV, Outcome 2: BPD: oxygen requirement at 28 days

Comparison 3: SIMV or SIMV + PS vs HFOV, Outcome 3: Moderate/ Severe BPD: Oxygen requirement at 36 weeks PCA

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Analysis 3.3

Comparison 3: SIMV or SIMV + PS vs HFOV, Outcome 3: Moderate/ Severe BPD: Oxygen requirement at 36 weeks PCA

Comparison 3: SIMV or SIMV + PS vs HFOV, Outcome 4: Death or BPD

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Analysis 3.4

Comparison 3: SIMV or SIMV + PS vs HFOV, Outcome 4: Death or BPD

Comparison 3: SIMV or SIMV + PS vs HFOV, Outcome 5: Duration of mechanical ventilation

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Analysis 3.5

Comparison 3: SIMV or SIMV + PS vs HFOV, Outcome 5: Duration of mechanical ventilation

Comparison 3: SIMV or SIMV + PS vs HFOV, Outcome 6: Air leaks

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Analysis 3.6

Comparison 3: SIMV or SIMV + PS vs HFOV, Outcome 6: Air leaks

Comparison 3: SIMV or SIMV + PS vs HFOV, Outcome 7: IVH Grade 3/4

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Analysis 3.7

Comparison 3: SIMV or SIMV + PS vs HFOV, Outcome 7: IVH Grade 3/4

Comparison 4: ACV vs SIMV, Outcome 1: Duration of weaning (hours)

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Analysis 4.1

Comparison 4: ACV vs SIMV, Outcome 1: Duration of weaning (hours)

Comparison 4: ACV vs SIMV, Outcome 2: Weaning failure

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Analysis 4.2

Comparison 4: ACV vs SIMV, Outcome 2: Weaning failure

Comparison 4: ACV vs SIMV, Outcome 3: Extubation failure

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Analysis 4.3

Comparison 4: ACV vs SIMV, Outcome 3: Extubation failure

Comparison 4: ACV vs SIMV, Outcome 4: Air leaks

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Analysis 4.4

Comparison 4: ACV vs SIMV, Outcome 4: Air leaks

Comparison 5: PS + SIMV versus SIMV, Outcome 1: Death

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Analysis 5.1

Comparison 5: PS + SIMV versus SIMV, Outcome 1: Death

Comparison 5: PS + SIMV versus SIMV, Outcome 2: Air leaks

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Analysis 5.2

Comparison 5: PS + SIMV versus SIMV, Outcome 2: Air leaks

Comparison 5: PS + SIMV versus SIMV, Outcome 3: BPD

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Analysis 5.3

Comparison 5: PS + SIMV versus SIMV, Outcome 3: BPD

Comparison 5: PS + SIMV versus SIMV, Outcome 4: Severe IVH (grade III and IV)

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Analysis 5.4

Comparison 5: PS + SIMV versus SIMV, Outcome 4: Severe IVH (grade III and IV)

Comparison 6: PRVCV vs SIMV, Outcome 1: Death prior to discharge

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Analysis 6.1

Comparison 6: PRVCV vs SIMV, Outcome 1: Death prior to discharge

Comparison 6: PRVCV vs SIMV, Outcome 2: BPD: oxygen requirement at 36 weeks in survivors

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Analysis 6.2

Comparison 6: PRVCV vs SIMV, Outcome 2: BPD: oxygen requirement at 36 weeks in survivors

Comparison 6: PRVCV vs SIMV, Outcome 3: Air leak

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Analysis 6.3

Comparison 6: PRVCV vs SIMV, Outcome 3: Air leak

Comparison 6: PRVCV vs SIMV, Outcome 4: Severe IVH

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Analysis 6.4

Comparison 6: PRVCV vs SIMV, Outcome 4: Severe IVH

Comparison 7: PSV vs SIMV, Outcome 1: Duration of weaning

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Analysis 7.1

Comparison 7: PSV vs SIMV, Outcome 1: Duration of weaning

Comparison 7: PSV vs SIMV, Outcome 2: Extubation failure

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Analysis 7.2

Comparison 7: PSV vs SIMV, Outcome 2: Extubation failure

Comparison 7: PSV vs SIMV, Outcome 3: Air leaks (total)

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Analysis 7.3

Comparison 7: PSV vs SIMV, Outcome 3: Air leaks (total)

Comparison 7: PSV vs SIMV, Outcome 4: Moderate/Severe BPD: oxygen requirement at 36 weeks PCA

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Analysis 7.4

Comparison 7: PSV vs SIMV, Outcome 4: Moderate/Severe BPD: oxygen requirement at 36 weeks PCA

Duration of weaning

Study

Participants

Duration of weaning ACV (Median (range))

Duration of weaning PSV (Median(range))

Significance

Patel 2012

36

34 (7‐100)

27 (10‐169)

p=0.88

Figures and Tables -
Analysis 8.1

Comparison 8: ACV versus PSV, Outcome 1: Duration of weaning

Comparison 1. HFPPV vs CMV

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1.1 Death Show forest plot

4

647

Risk Ratio (M‐H, Fixed, 95% CI)

0.78 [0.61, 1.00]

1.2 Air leaks Show forest plot

3

Risk Ratio (M‐H, Fixed, 95% CI)

Subtotals only

1.2.1 Pneumothorax

3

585

Risk Ratio (M‐H, Fixed, 95% CI)

0.69 [0.51, 0.93]

1.2.2 Pulmonary interstitial emphysema

1

137

Risk Ratio (M‐H, Fixed, 95% CI)

0.68 [0.49, 0.94]

1.3 Total air leak Show forest plot

1

62

Risk Ratio (M‐H, Fixed, 95% CI)

0.25 [0.06, 1.08]

1.4 BPD (oxygen dependency at 28 days) Show forest plot

4

647

Risk Ratio (M‐H, Fixed, 95% CI)

1.06 [0.77, 1.46]

1.5 IVH Show forest plot

1

62

Risk Ratio (M‐H, Fixed, 95% CI)

0.12 [0.02, 0.94]

Figures and Tables -
Comparison 1. HFPPV vs CMV
Comparison 2. ACV/SIMV vs CMV

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

2.1 Death Show forest plot

6

1790

Risk Ratio (M‐H, Fixed, 95% CI)

1.17 [0.94, 1.47]

2.2 Air leaks Show forest plot

7

1830

Risk Ratio (M‐H, Fixed, 95% CI)

0.98 [0.76, 1.27]

2.3 Duration of ventilation (hours) Show forest plot

5

1463

Mean Difference (IV, Fixed, 95% CI)

‐38.30 [‐53.90, ‐22.69]

2.4 Extubation failure Show forest plot

4

1056

Risk Ratio (M‐H, Fixed, 95% CI)

0.93 [0.68, 1.28]

2.5 Severe IVH Show forest plot

6

1790

Risk Ratio (M‐H, Fixed, 95% CI)

1.01 [0.73, 1.40]

2.6 BPD (oxygen dependency at 28 days) Show forest plot

4

805

Risk Ratio (M‐H, Fixed, 95% CI)

0.91 [0.75, 1.12]

2.7 Moderate/Severe BPD (oxygen dependent at 36 weeks PCA) Show forest plot

2

1310

Risk Ratio (M‐H, Fixed, 95% CI)

0.90 [0.75, 1.08]

Figures and Tables -
Comparison 2. ACV/SIMV vs CMV
Comparison 3. SIMV or SIMV + PS vs HFOV

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

3.1 Death Show forest plot

4

996

Risk Ratio (M‐H, Fixed, 95% CI)

1.25 [0.91, 1.71]

3.2 BPD: oxygen requirement at 28 days Show forest plot

1

110

Risk Ratio (M‐H, Fixed, 95% CI)

3.21 [0.37, 27.83]

3.3 Moderate/ Severe BPD: Oxygen requirement at 36 weeks PCA Show forest plot

3

869

Risk Ratio (M‐H, Fixed, 95% CI)

1.33 [1.07, 1.65]

3.4 Death or BPD Show forest plot

1

356

Risk Ratio (M‐H, Fixed, 95% CI)

2.38 [1.41, 4.03]

3.5 Duration of mechanical ventilation Show forest plot

2

466

Mean Difference (IV, Fixed, 95% CI)

1.89 [1.04, 2.74]

3.6 Air leaks Show forest plot

3

1398

Risk Ratio (M‐H, Fixed, 95% CI)

0.91 [0.70, 1.19]

3.6.1 Pulmonary interstitial emphysema

1

498

Risk Ratio (M‐H, Fixed, 95% CI)

0.66 [0.44, 0.99]

3.6.2 Pneumothorax

3

900

Risk Ratio (M‐H, Fixed, 95% CI)

1.15 [0.82, 1.64]

3.7 IVH Grade 3/4 Show forest plot

4

1010

Risk Ratio (M‐H, Fixed, 95% CI)

0.94 [0.71, 1.24]

Figures and Tables -
Comparison 3. SIMV or SIMV + PS vs HFOV
Comparison 4. ACV vs SIMV

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

4.1 Duration of weaning (hours) Show forest plot

3

120

Mean Difference (IV, Fixed, 95% CI)

‐42.38 [‐94.35, 9.60]

4.2 Weaning failure Show forest plot

3

120

Risk Ratio (M‐H, Fixed, 95% CI)

0.78 [0.31, 1.93]

4.3 Extubation failure Show forest plot

3

120

Risk Ratio (M‐H, Fixed, 95% CI)

1.00 [0.37, 2.67]

4.4 Air leaks Show forest plot

3

120

Risk Ratio (M‐H, Fixed, 95% CI)

0.80 [0.23, 2.83]

4.4.1 Total air leaks

3

120

Risk Ratio (M‐H, Fixed, 95% CI)

0.80 [0.23, 2.83]

Figures and Tables -
Comparison 4. ACV vs SIMV
Comparison 5. PS + SIMV versus SIMV

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

5.1 Death Show forest plot

1

Risk Ratio (M‐H, Fixed, 95% CI)

Subtotals only

5.1.1 Death during first 28 days

1

107

Risk Ratio (M‐H, Fixed, 95% CI)

0.41 [0.08, 2.01]

5.1.2 Death prior to discharge

1

107

Risk Ratio (M‐H, Fixed, 95% CI)

0.87 [0.31, 2.43]

5.2 Air leaks Show forest plot

1

Risk Ratio (M‐H, Fixed, 95% CI)

Subtotals only

5.2.1 Pneumothorax

1

107

Risk Ratio (M‐H, Fixed, 95% CI)

Not estimable

5.2.2 Pulmonary interstitial emphysema

1

107

Risk Ratio (M‐H, Fixed, 95% CI)

0.73 [0.25, 2.15]

5.3 BPD Show forest plot

1

Risk Ratio (M‐H, Fixed, 95% CI)

Subtotals only

5.3.1 BPD (oxygen dependency at 28 days)

1

107

Risk Ratio (M‐H, Fixed, 95% CI)

1.02 [0.84, 1.23]

5.3.2 Moderate/Severe BPD (oxygen dependency at 36 weeks PMA)

1

107

Risk Ratio (M‐H, Fixed, 95% CI)

0.71 [0.42, 1.18]

5.4 Severe IVH (grade III and IV) Show forest plot

1

107

Risk Ratio (M‐H, Fixed, 95% CI)

0.92 [0.41, 2.08]

Figures and Tables -
Comparison 5. PS + SIMV versus SIMV
Comparison 6. PRVCV vs SIMV

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

6.1 Death prior to discharge Show forest plot

1

211

Risk Ratio (M‐H, Fixed, 95% CI)

1.03 [0.50, 2.11]

6.2 BPD: oxygen requirement at 36 weeks in survivors Show forest plot

1

185

Risk Ratio (M‐H, Fixed, 95% CI)

0.83 [0.55, 1.27]

6.3 Air leak Show forest plot

1

424

Risk Ratio (M‐H, Fixed, 95% CI)

1.04 [0.51, 2.13]

6.3.1 PIE

1

212

Risk Ratio (M‐H, Fixed, 95% CI)

1.66 [0.56, 4.91]

6.3.2 Pneumothorax

1

212

Risk Ratio (M‐H, Fixed, 95% CI)

0.69 [0.26, 1.88]

6.4 Severe IVH Show forest plot

1

203

Risk Ratio (M‐H, Fixed, 95% CI)

0.67 [0.29, 1.58]

Figures and Tables -
Comparison 6. PRVCV vs SIMV
Comparison 7. PSV vs SIMV

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

7.1 Duration of weaning Show forest plot

1

60

Mean Difference (IV, Fixed, 95% CI)

‐11.30 [‐26.53, 3.93]

7.2 Extubation failure Show forest plot

1

60

Risk Ratio (M‐H, Fixed, 95% CI)

1.09 [0.57, 2.07]

7.3 Air leaks (total) Show forest plot

1

60

Risk Ratio (M‐H, Fixed, 95% CI)

0.20 [0.01, 4.00]

7.4 Moderate/Severe BPD: oxygen requirement at 36 weeks PCA Show forest plot

1

60

Risk Ratio (M‐H, Fixed, 95% CI)

1.00 [0.46, 2.17]

Figures and Tables -
Comparison 7. PSV vs SIMV
Comparison 8. ACV versus PSV

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

8.1 Duration of weaning Show forest plot

1

Other data

No numeric data

Figures and Tables -
Comparison 8. ACV versus PSV