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Search review questions

Each row is one question a systematic review asked: who, what, compared with what, and which outcome, with the effect it found and how certain that is. Words match anywhere in the field.

Limit to evidence status or GRADE (optional)

2,353 questions in 210 reviews · Neonatal

current versions
No studies 432 · 18.4%Ungraded 99 · 4.2%Very low 609 · 25.9%Low 737 · 31.3%Moderate 385 · 16.4%High 91 · 3.9%

Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.

QuestionEffectEvidenceStatus / GRADE
Intervention NR
Major neurodevelopmental disability at school age · late preterm or term newborns with hypoxic‐ischaemic encephalopathy
Xenon as an adjuvant to therapeutic hypothermia in near‐term and term newborns with hypoxic‐ischaemic… (2018) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Cerebral palsy in infancy · late preterm or term newborns with hypoxic‐ischaemic encephalopathy
Xenon as an adjuvant to therapeutic hypothermia in near‐term and term newborns with hypoxic‐ischaemic… (2018) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Developmental delay or intellectual impairment in infancy · late preterm or term newborns with hypoxic‐ischaemic encephalopathy
Xenon as an adjuvant to therapeutic hypothermia in near‐term and term newborns with hypoxic‐ischaemic… (2018) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Blindness vision in infancy · late preterm or term newborns with hypoxic‐ischaemic encephalopathy
Xenon as an adjuvant to therapeutic hypothermia in near‐term and term newborns with hypoxic‐ischaemic… (2018) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Sensorineural deafness in infancy requiring amplification · late preterm or term newborns with hypoxic‐ischaemic encephalopathy
Xenon as an adjuvant to therapeutic hypothermia in near‐term and term newborns with hypoxic‐ischaemic… (2018) · Cochrane
no estimate extractedNRNo studies
Repeated lumbar or ventricular punctures vs conservative treatment
Hydrocephalus shunt · preterm infants less than three months of age with either: a) IVH demonstrated by ultrasound or computed tomography…
Repeated lumbar or ventricular punctures in newborns with intraventricular haemorrhage (2017) · Cochrane
RR 0.96 [0.73, 1.26]3 studies · 233 participantsModerate
Repeated lumbar or ventricular punctures vs conservative treatment
Death · preterm infants less than three months of age with either: a) IVH demonstrated by ultrasound or computed tomography…
Repeated lumbar or ventricular punctures in newborns with intraventricular haemorrhage (2017) · Cochrane
RR 0.88 [0.53, 1.44]4 studies · 280 participantsLow
Repeated lumbar or ventricular punctures vs conservative treatment
Major disability in survivors · preterm infants less than three months of age with either: a) IVH demonstrated by ultrasound or computed tomography…
Repeated lumbar or ventricular punctures in newborns with intraventricular haemorrhage (2017) · Cochrane
RR 0.98 [0.81, 1.18]2 studies · 141 participantsHigh
Repeated lumbar or ventricular punctures vs conservative treatment
Multiple disability in survivors · preterm infants less than three months of age with either: a) IVH demonstrated by ultrasound or computed tomography…
Repeated lumbar or ventricular punctures in newborns with intraventricular haemorrhage (2017) · Cochrane
RR 0.9 [0.66, 1.24]2 studies · 141 participantsHigh
Repeated lumbar or ventricular punctures vs conservative treatment
Death or disability · preterm infants less than three months of age with either: a) IVH demonstrated by ultrasound or computed tomography…
Repeated lumbar or ventricular punctures in newborns with intraventricular haemorrhage (2017) · Cochrane
RR 0.99 [0.86, 1.14]2 studies · 180 participantsHigh
Repeated lumbar or ventricular punctures vs conservative treatment
Death or shunt · preterm infants less than three months of age with either: a) IVH demonstrated by ultrasound or computed tomography…
Repeated lumbar or ventricular punctures in newborns with intraventricular haemorrhage (2017) · Cochrane
RR 0.91 [0.75, 1.11]3 studies · 233 participantsModerate
Repeated lumbar or ventricular punctures vs conservative treatment
Infection of CSF presurgery · preterm infants less than three months of age with either: a) IVH demonstrated by ultrasound or computed tomography…
Repeated lumbar or ventricular punctures in newborns with intraventricular haemorrhage (2017) · Cochrane
RR 1.73 [0.53, 5.67]2 studies · 195 participantsLow
LCPUFA supplemented formula vs control formula
Visual acuity/Teller cards at 12 months (cycles/degree) ‐ DHA and AA vs normal term formula · term infants
Long chain polyunsaturated fatty acid supplementation in infants born at term (2017) · Cochrane
no estimate extracted3 studies · 256 participantsLow
LCPUFA supplemented formula vs control formula
Sweep VEP acuity at 12 months (LogMAR) ‐ DHA and AA vs normal term formula · term infants
Long chain polyunsaturated fatty acid supplementation in infants born at term (2017) · Cochrane
no estimate extracted3 studies · 244 participantsLow
LCPUFA supplemented formula vs control formula
MDI scores (Bayley) at 18 months ‐ DHA and AA vs normal term formula · term infants
Long chain polyunsaturated fatty acid supplementation in infants born at term (2017) · Cochrane
MD 0.064 studies · 661 participantsLow
LCPUFA supplemented formula vs control formula
PDI scores (Bayley) at 18 months ‐ DHA and AA vs normal term formula · term infants
Long chain polyunsaturated fatty acid supplementation in infants born at term (2017) · Cochrane
MD 0.694 studies · 661 participantsLow
LCPUFA supplemented formula vs control formula
Weight at 12 months (z scores) ‐ DHA and AA vs normal term formula · term infants
Long chain polyunsaturated fatty acid supplementation in infants born at term (2017) · Cochrane
no estimate extracted5 studies · 521 participantsLow
LCPUFA supplemented formula vs control formula
Length at 12 months (z scores) ‐ DHA and AA vs normal term formula · term infants
Long chain polyunsaturated fatty acid supplementation in infants born at term (2017) · Cochrane
no estimate extracted5 studies · 521 participantsLow
LCPUFA supplemented formula vs control formula
Head circumference at 12 months (z scores) ‐ DHA and AA vs normal term formula · term infants
Long chain polyunsaturated fatty acid supplementation in infants born at term (2017) · Cochrane
no estimate extracted4 studies · 464 participantsLow
Inhaled NO vs control
Death or use of ECMO; studies that did not allow back‐up use of iNO in controls · respiratory failure in infants born at or near term
Nitric oxide for respiratory failure in infants born at or near term (2017) · Cochrane
RR 0.66 [0.57, 0.77]8 studies · 859 participantsHigh
Inhaled NO at moderate vs severe criteria
Use of ECMO before hospital discharge · infants born at or near term in respiratory failure
Nitric oxide for respiratory failure in infants born at or near term (2017) · Cochrane
RR 1.01 [0.66, 1.54]4 studies · 439 participantsModerate
Inhaled NO at moderate vs severe criteria
Progression to severe criteria · infants born at or near term in respiratory failure
Nitric oxide for respiratory failure in infants born at or near term (2017) · Cochrane
RR 0.66 [0.55, 0.79]6 studies · 512 participantsModerate
Inhaled NO at moderate vs severe criteria
Neurodevelopmental disability at 18 to 24 months among survivors · infants born at or near term in respiratory failure
Nitric oxide for respiratory failure in infants born at or near term (2017) · Cochrane
RR 1.13 [0.74, 1.74]1 study · 234 participantsModerate
Inhaled NO vs control
Death or use of ECMO; infants with diaphragmatic hernia · respiratory failure in infants born at or near term
Nitric oxide for respiratory failure in infants born at or near term (2017) · Cochrane
RR 1.09 [0.95, 1.26]2 studies · 84 participantsModerate
Inhaled NO vs control
Death before hospital discharge; studies that did not allow back‐up use of iNO in controls · respiratory failure in infants born at or near term
Nitric oxide for respiratory failure in infants born at or near term (2017) · Cochrane
RR 0.89 [0.6, 1.31]8 studies · 860 participantsHigh
Inhaled NO vs control
Death before hospital discharge; infants with diaphragmatic hernia · respiratory failure in infants born at or near term
Nitric oxide for respiratory failure in infants born at or near term (2017) · Cochrane
RR 1.2 [0.74, 1.96]2 studies · 84 participantsModerate
Inhaled NO vs control
Use of ECMO before hospital discharge; studies that did not allow back‐up use of iNO in controls · respiratory failure in infants born at or near term
Nitric oxide for respiratory failure in infants born at or near term (2017) · Cochrane
RR 0.6 [0.5, 0.71]7 studies · 815 participantsHigh
Inhaled NO vs control
Use of ECMO before hospital discharge; infants with diaphragmatic hernia · respiratory failure in infants born at or near term
Nitric oxide for respiratory failure in infants born at or near term (2017) · Cochrane
RR 1.27 [1, 1.62]2 studies · 84 participantsModerate
Inhaled NO vs control
Neurodevelopmental disability at 18 to 24 months among survivors · respiratory failure in infants born at or near term
Nitric oxide for respiratory failure in infants born at or near term (2017) · Cochrane
RR 0.97 [0.66, 1.44]2 studies · 301 participantsLow
Inhaled NO at moderate vs severe criteria
Death or requirement for ECMO · infants born at or near term in respiratory failure
Nitric oxide for respiratory failure in infants born at or near term (2017) · Cochrane
RR 0.88 [0.62, 1.27]5 studies · 495 participantsLow
Inhaled NO at moderate vs severe criteria
Death before hospital discharge · infants born at or near term in respiratory failure
Nitric oxide for respiratory failure in infants born at or near term (2017) · Cochrane
RR 0.69 [0.38, 1.26]5 studies · 495 participantsModerate
Inhaled NO vs control
Death before discharge ‐ Studies with entry before 3 days based on oxygenation · respiratory failure in preterm infants
Inhaled nitric oxide for respiratory failure in preterm infants (2017) · Cochrane
RR 1.02 [0.89, 1.18]10 studies · 1066 participantsHigh
Inhaled NO vs control
Neurodevelopmental disability ‐ Studies with entry after 3 days based on BPD risk · respiratory failure in preterm infants
Inhaled nitric oxide for respiratory failure in preterm infants (2017) · Cochrane
RR 0.9 [0.74, 1.09]2 studies · 498 participantsModerate
Inhaled NO vs control
Neurodevelopmental disability ‐ Studies of routine use in preterm infants on respiratory support · respiratory failure in preterm infants
Inhaled nitric oxide for respiratory failure in preterm infants (2017) · Cochrane
RR 0.91 [0.74, 1.13]3 studies · 1223 participantsHigh
Inhaled NO vs control
Death before discharge ‐ Studies with entry after 3 days based on BPD risk · respiratory failure in preterm infants
Inhaled nitric oxide for respiratory failure in preterm infants (2017) · Cochrane
RR 1.18 [0.81, 1.71]3 studies · 1075 participantsHigh
Inhaled NO vs control
Death before discharge ‐ Studies of routine use in preterm infants on respiratory support · respiratory failure in preterm infants
Inhaled nitric oxide for respiratory failure in preterm infants (2017) · Cochrane
RR 0.9 [0.74, 1.1]4 studies · 1924 participantsModerate
Inhaled NO vs control
Death or bronchopulmonary dysplasia at 36 weeks ‐ Studies with entry before 3 days based on oxygenation · respiratory failure in preterm infants
Inhaled nitric oxide for respiratory failure in preterm infants (2017) · Cochrane
RR 0.94 [0.87, 1.01]8 studies · 958 participantsHigh
Inhaled NO vs control
Death or bronchopulmonary dysplasia at 36 weeks ‐ Studies with entry after 3 days based on BPD risk · respiratory failure in preterm infants
Inhaled nitric oxide for respiratory failure in preterm infants (2017) · Cochrane
RR 0.92 [0.85, 1.01]3 studies · 1075 participantsHigh
Inhaled NO vs control
Death or bronchopulmonary dysplasia at 36 weeks ‐ Studies of routine use in preterm infants on respiratory support · respiratory failure in preterm infants
Inhaled nitric oxide for respiratory failure in preterm infants (2017) · Cochrane
RR 0.94 [0.87, 1.02]4 studies · 1924 participantsHigh
Inhaled NO vs control
Intraventricular haemorrhage (grade 3 or 4) ‐ Studies with entry before 3 days based on oxygenation · respiratory failure in preterm infants
Inhaled nitric oxide for respiratory failure in preterm infants (2017) · Cochrane
RR 1.2 [0.98, 1.47]6 studies · 773 participantsHigh
Inhaled NO vs control
Intraventricular haemorrhage (grade 3 or 4) ‐ Studies of routine use in preterm infants on respiratory support · respiratory failure in preterm infants
Inhaled nitric oxide for respiratory failure in preterm infants (2017) · Cochrane
RR 0.89 [0.73, 1.09]4 studies · 1913 participantsModerate
Inhaled NO vs control
Neurodevelopmental disability ‐ Studies with entry before 3 days based on oxygenation · respiratory failure in preterm infants
Inhaled nitric oxide for respiratory failure in preterm infants (2017) · Cochrane
RR 1.05 [0.78, 1.4]2 studies · 208 participantsModerate
Early inhaled steroids (< 2 weeks) vs placebo (among all randomised)
CLD at 36 weeks' PMA oxygen dependency at 36 weeks' PMA · very low birth weight preterm neonates
Early administration of inhaled corticosteroids for preventing chronic lung disease in very low birth weight… (2017) · Cochrane
RR 0.97 [0.62, 1.52]5 studies · 429 participantsModerate
Early inhaled steroids (< 2 weeks) vs placebo (among all randomised)
Death by, or CLD at, 36 weeks' PMA Death or oxygen dependency at 36 weeks' PMA · very low birth weight preterm neonates
Early administration of inhaled corticosteroids for preventing chronic lung disease in very low birth weight… (2017) · Cochrane
RR 0.86 [0.75, 0.99]6 studies · 1285 participantsModerate
Early inhaled steroid (< 2 weeks) vs placebo (among survivors)
CLD at 36 weeks' PMA · Very low birth weight preterm neonates
Early administration of inhaled corticosteroids for preventing chronic lung disease in very low birth weight… (2017) · Cochrane
RR 0.76 [0.63, 0.93]6 studies · 1088 participantsModerate
Intervention NR
Mortality during hospital stay · neonates requiring intubation and ventilation
Intravenous midazolam infusion for sedation of infants in the neonatal intensive care unit (2017) · Cochrane
RR 0.79 [0.4, 1.56]3 studies · 122 participantsModerate
Intervention NR
Length of NICU stay (days) · neonates requiring intubation and ventilation
Intravenous midazolam infusion for sedation of infants in the neonatal intensive care unit (2017) · Cochrane
5.4 [0.4, 10.5]2 studies · 89 participantsModerate
Intervention NR
PIPP score during drug infusion Range of scale 0‐21 for infants < 28 weeks' PMA and 0‐18 for infants > 36 weeks' PMA. Lower score = less pain (Stevens 1996) · neonates requiring intubation and ventilation
Intravenous midazolam infusion for sedation of infants in the neonatal intensive care unit (2017) · Cochrane
no estimate extracted1 study · 43 participantsModerate
Intervention NR
Poor neurological outcome by 28 days' postnatal age · neonates requiring intubation and ventilation
Intravenous midazolam infusion for sedation of infants in the neonatal intensive care unit (2017) · Cochrane
RR 1.34 [0.5, 3.56]1 study · 43 participantsModerate
Intervention NR
PIPP score during drug infusion Range of scale 0‐21 for infants < 28 weeks' PMA and 0‐18 for infants > 36 weeks' PMA. Lower score = less pain (Stevens 1996) · neonates requiring intubation and ventilation
Intravenous midazolam infusion for sedation of infants in the neonatal intensive care unit (2017) · Cochrane
MD 11 study · 46 participantsModerate