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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
Exposure vs no exposure to the smell and taste of milk with tube feeds
Adverse effects related to intervention · preterm infants
Exposure to the smell and taste of milk to accelerate feeding in preterm infants (2024) · Cochrane
no estimate extracted2 studies · 2 participantsUngraded
Exposure vs no exposure to the smell and taste of milk with tube feeds
Duration of parenteral nutrition (time to removal of IV nutrition line) · preterm infants
Exposure to the smell and taste of milk to accelerate feeding in preterm infants (2024) · Cochrane
no estimate extracted3 studies · 977 participantsLow
Exposure vs no exposure to the smell and taste of milk with tube feeds
Time to reach full enteral feeds (150 mL/kg/day or as defined by the trialists) · preterm infants
Exposure to the smell and taste of milk to accelerate feeding in preterm infants (2024) · Cochrane
no estimate extracted4 studies · 736 participantsVery low
Exposure vs no exposure to the smell and taste of milk with tube feeds
Feeding intolerance during hospitalisation (resulting in discontinuation of or reduction in enteral feeding) · preterm infants
Exposure to the smell and taste of milk to accelerate feeding in preterm infants (2024) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Exposure vs no exposure to the smell and taste of milk with tube feeds
Necrotising enterocolitis during hospitalisation (Bell's stage ≥ 2) · preterm infants
Exposure to the smell and taste of milk to accelerate feeding in preterm infants (2024) · Cochrane
RR 0.93 [0.47, 1.84]2 studies · 435 participantsLow
Exposure vs no exposure to the smell and taste of milk with tube feeds
Late infection during hospitalisation (bacterial or fungal infection confirmed by presence of blood or CSF infection, with initiation of symptoms > 48 hours after birth) · preterm infants
Exposure to the smell and taste of milk to accelerate feeding in preterm infants (2024) · Cochrane
RR 1.14 [0.74, 1.75]2 studies · 436 participantsModerate
Facilitated tucking / four‐handed care / gentle human touch vs standard care
Validated pain scales · neonates with mechanical ventilation
Non‐pharmacological interventions for the prevention of pain during endotracheal suctioning in ventilated… (2024) · Cochrane
no estimate extractedNRNo studies
Familiar odour (breast milk smell) vs standard care
Validated pain scores · neonates with mechanical ventilation
Non‐pharmacological interventions for the prevention of pain during endotracheal suctioning in ventilated… (2024) · Cochrane
no estimate extractedNRNo studies
Familiar odour (breast milk smell) vs standard care
PIPP during endotracheal suctioning Range of scale 0 to 21. Lower score = less pain · neonates with mechanical ventilation
Non‐pharmacological interventions for the prevention of pain during endotracheal suctioning in ventilated… (2024) · Cochrane
no estimate extracted1 study · 40 participantsLow
Familiar odour (breast milk smell) vs standard care
Physiological indicators · neonates with mechanical ventilation
Non‐pharmacological interventions for the prevention of pain during endotracheal suctioning in ventilated… (2024) · Cochrane
no estimate extractedNRNo studies
Familiar odour (breast milk smell) vs standard care
Heart rate · neonates with mechanical ventilation
Non‐pharmacological interventions for the prevention of pain during endotracheal suctioning in ventilated… (2024) · Cochrane
no estimate extracted1 study · 40 participantsLow
Familiar odour (breast milk smell) vs standard care
SaO 2 during endotracheal suctioning · neonates with mechanical ventilation
Non‐pharmacological interventions for the prevention of pain during endotracheal suctioning in ventilated… (2024) · Cochrane
no estimate extracted1 study · 40 participantsLow
Familiar odour (breast milk smell) vs standard care
Behavioural indicators · neonates with mechanical ventilation
Non‐pharmacological interventions for the prevention of pain during endotracheal suctioning in ventilated… (2024) · Cochrane
no estimate extractedNRNo studies
Familiar odour (breast milk smell) vs standard care
— · neonates with mechanical ventilation
Non‐pharmacological interventions for the prevention of pain during endotracheal suctioning in ventilated… (2024) · Cochrane
no estimate extractedNRNo studies
White noise vs standard care
Validated pain scores · neonates with mechanical ventilation
Non‐pharmacological interventions for the prevention of pain during endotracheal suctioning in ventilated… (2024) · Cochrane
no estimate extractedNRNo studies
White noise vs standard care
PIPP during endotracheal suctioning Range of scale 0 to 21 Lower score = less pain · neonates with mechanical ventilation
Non‐pharmacological interventions for the prevention of pain during endotracheal suctioning in ventilated… (2024) · Cochrane
no estimate extracted1 study · 40 participantsLow
White noise vs standard care
Physiological indicators · neonates with mechanical ventilation
Non‐pharmacological interventions for the prevention of pain during endotracheal suctioning in ventilated… (2024) · Cochrane
no estimate extractedNRNo studies
Facilitated tucking / four‐handed care / gentle human touch vs standard care
PIPP during endotracheal suctioning Range of scale 0 to 21. Lower score = less pain · neonates with mechanical ventilation
Non‐pharmacological interventions for the prevention of pain during endotracheal suctioning in ventilated… (2024) · Cochrane
no estimate extracted4 studies · 148 participantsModerate
White noise vs standard care
Heart rate · neonates with mechanical ventilation
Non‐pharmacological interventions for the prevention of pain during endotracheal suctioning in ventilated… (2024) · Cochrane
no estimate extracted1 study · 40 participantsLow
White noise vs standard care
SaO 2 · neonates with mechanical ventilation
Non‐pharmacological interventions for the prevention of pain during endotracheal suctioning in ventilated… (2024) · Cochrane
MD 2.251 study · 40 participantsLow
White noise vs standard care
Behavioural indicators · neonates with mechanical ventilation
Non‐pharmacological interventions for the prevention of pain during endotracheal suctioning in ventilated… (2024) · Cochrane
no estimate extractedNRNo studies
White noise vs standard care
— · neonates with mechanical ventilation
Non‐pharmacological interventions for the prevention of pain during endotracheal suctioning in ventilated… (2024) · Cochrane
no estimate extractedNRNo studies
Facilitated tucking / four‐handed care / gentle human touch vs standard care
Physiological indicators · neonates with mechanical ventilation
Non‐pharmacological interventions for the prevention of pain during endotracheal suctioning in ventilated… (2024) · Cochrane
no estimate extractedNRNo studies
Facilitated tucking / four‐handed care / gentle human touch vs standard care
Heart rate · neonates with mechanical ventilation
Non‐pharmacological interventions for the prevention of pain during endotracheal suctioning in ventilated… (2024) · Cochrane
no estimate extracted2 studies · 80 participantsLow
Facilitated tucking / four‐handed care / gentle human touch vs standard care
SaO 2 during endotracheal suctioning · neonates with mechanical ventilation
Non‐pharmacological interventions for the prevention of pain during endotracheal suctioning in ventilated… (2024) · Cochrane
MD 0.872 studies · 80 participantsLow
Facilitated tucking / four‐handed care / gentle human touch vs standard care
Behavioural indicators · neonates with mechanical ventilation
Non‐pharmacological interventions for the prevention of pain during endotracheal suctioning in ventilated… (2024) · Cochrane
no estimate extractedNRNo studies
Facilitated tucking / four‐handed care / gentle human touch vs standard care
SDB during endotracheal suctioning · neonates with mechanical ventilation
Non‐pharmacological interventions for the prevention of pain during endotracheal suctioning in ventilated… (2024) · Cochrane
no estimate extracted1 study · 20 participantsLow
Facilitated tucking / four‐handed care / gentle human touch vs standard care
SRB during endotracheal suctioning · neonates with mechanical ventilation
Non‐pharmacological interventions for the prevention of pain during endotracheal suctioning in ventilated… (2024) · Cochrane
MD 0.9 [0.2, 1.6]1 study · 20 participantsLow
Facilitated tucking / four‐handed care / gentle human touch vs standard care
— · neonates with mechanical ventilation
Non‐pharmacological interventions for the prevention of pain during endotracheal suctioning in ventilated… (2024) · Cochrane
no estimate extractedNRNo studies
Phenobarbital vs control
IVH any grade (Papile classification) during hospitalisation · preterm infants with or at risk of IVH
Postnatal phenobarbital for the prevention of intraventricular haemorrhage in preterm infants (2023) · Cochrane
RR 1 [0.84, 1.19]10 studies · 792 participantsLow
Phenobarbital vs control
Severe IVH (Papile classification) during hospitalisation · preterm infants with or at risk of IVH
Postnatal phenobarbital for the prevention of intraventricular haemorrhage in preterm infants (2023) · Cochrane
RR 0.88 [0.64, 1.21]10 studies · 792 participantsLow
Phenobarbital vs control
Ventricular dilation or hydrocephalus during hospitalisation · preterm infants with or at risk of IVH
Postnatal phenobarbital for the prevention of intraventricular haemorrhage in preterm infants (2023) · Cochrane
RR 0.62 [0.31, 1.26]4 studies · 271 participantsVery low
Phenobarbital vs control
Mild neurodevelopmental impairment at 27 months of age · preterm infants with or at risk of IVH
Postnatal phenobarbital for the prevention of intraventricular haemorrhage in preterm infants (2023) · Cochrane
RR 0.57 [0.15, 2.17]1 study · 101 participantsVery low
Phenobarbital vs control
Severe neurodevelopmental impairment at 9 to 27 months of age · preterm infants with or at risk of IVH
Postnatal phenobarbital for the prevention of intraventricular haemorrhage in preterm infants (2023) · Cochrane
RR 1.12 [0.44, 2.82]2 studies · 153 participantsVery low
Phenobarbital vs control
Death before discharge · preterm infants with or at risk of IVH
Postnatal phenobarbital for the prevention of intraventricular haemorrhage in preterm infants (2023) · Cochrane
RR 0.88 [0.64, 1.21]9 studies · 740 participantsLow
Phenobarbital vs control
All deaths during the study · preterm infants with or at risk of IVH
Postnatal phenobarbital for the prevention of intraventricular haemorrhage in preterm infants (2023) · Cochrane
RR 0.98 [0.72, 1.33]10 studies · 792 participantsLow
Nasal intermittent positive pressure ventilation (NIPPV) vs nasal continuous positive airway pressure (NCPAP)
Respiratory failure postextubation · preterm neonates after extubation
Nasal intermittent positive pressure ventilation (NIPPV) versus nasal continuous positive airway pressure… (2023) · Cochrane
RR 0.75 [0.67, 0.84]19 studies · 2738 participantsModerate
Nasal intermittent positive pressure ventilation (NIPPV) vs nasal continuous positive airway pressure (NCPAP)
Endotracheal reintubation · preterm neonates after extubation
Nasal intermittent positive pressure ventilation (NIPPV) versus nasal continuous positive airway pressure… (2023) · Cochrane
RR 0.78 [0.7, 0.87]17 studies · 2608 participantsModerate
Nasal intermittent positive pressure ventilation (NIPPV) vs nasal continuous positive airway pressure (NCPAP)
Gastrointestinal perforation · preterm neonates after extubation
Nasal intermittent positive pressure ventilation (NIPPV) versus nasal continuous positive airway pressure… (2023) · Cochrane
RR 0.89 [0.58, 1.38]8 studies · 1478 participantsLow
Nasal intermittent positive pressure ventilation (NIPPV) vs nasal continuous positive airway pressure (NCPAP)
Necrotising enterocolitis · preterm neonates after extubation
Nasal intermittent positive pressure ventilation (NIPPV) versus nasal continuous positive airway pressure… (2023) · Cochrane
RR 0.86 [0.65, 1.15]10 studies · 2069 participantsModerate
Nasal intermittent positive pressure ventilation (NIPPV) vs nasal continuous positive airway pressure (NCPAP)
Chronic lung disease (oxygen supplementation at 36 weeks) · preterm neonates after extubation
Nasal intermittent positive pressure ventilation (NIPPV) versus nasal continuous positive airway pressure… (2023) · Cochrane
RR 0.93 [0.84, 1.05]9 studies · 2001 participantsModerate
Nasal intermittent positive pressure ventilation (NIPPV) vs nasal continuous positive airway pressure (NCPAP)
Pulmonary air leak · preterm neonates after extubation
Nasal intermittent positive pressure ventilation (NIPPV) versus nasal continuous positive airway pressure… (2023) · Cochrane
RR 0.57 [0.37, 0.87]13 studies · 2404 participantsLow
Nasal intermittent positive pressure ventilation (NIPPV) vs nasal continuous positive airway pressure (NCPAP)
Mortality (defined as death before discharge) · preterm neonates after extubation
Nasal intermittent positive pressure ventilation (NIPPV) versus nasal continuous positive airway pressure… (2023) · Cochrane
RR 0.81 [0.61, 1.07]11 studies · 2258 participantsLow
Pentoxifylline with antibiotics (any dose or duration) vs placebo or no intervention
All‐cause mortality during hospital stay · neonates with sepsis
Pentoxifylline for treatment of sepsis and necrotising enterocolitis in neonates (2023) · Cochrane
RR 0.57 [0.35, 0.93]6 studies · 416 participantsLow
Pentoxifylline with antibiotics (any dose or duration) vs pentoxifylline with antibiotics and immunoglobulin M‐enriched intravenous immunoglobulin
Severe intraventricular haemorrhage · neonates with sepsis
Pentoxifylline for treatment of sepsis and necrotising enterocolitis in neonates (2023) · Cochrane
no estimate extractedNRNo studies
Pentoxifylline with antibiotics (any dose or duration) vs pentoxifylline with antibiotics and immunoglobulin M‐enriched intravenous immunoglobulin
Periventricular leukomalacia · neonates with sepsis
Pentoxifylline for treatment of sepsis and necrotising enterocolitis in neonates (2023) · Cochrane
no estimate extractedNRNo studies
Pentoxifylline with antibiotics (any dose or duration) vs pentoxifylline with antibiotics and immunoglobulin M‐enriched intravenous immunoglobulin
Length of hospital stay in days for survivors to discharge · neonates with sepsis
Pentoxifylline for treatment of sepsis and necrotising enterocolitis in neonates (2023) · Cochrane
no estimate extractedNRNo studies
Pentoxifylline with antibiotics (any dose or duration) vs pentoxifylline with antibiotics and immunoglobulin M‐enriched intravenous immunoglobulin
Necrotising enterocolitis, any Bell stage · neonates with sepsis
Pentoxifylline for treatment of sepsis and necrotising enterocolitis in neonates (2023) · Cochrane
RR 1.33 [0.31, 5.66]1 study · 102 participantsVery low
Pentoxifylline with antibiotics (any dose or duration) vs pentoxifylline with antibiotics and immunoglobulin M‐enriched intravenous immunoglobulin
Retinopathy of prematurity, any stage · neonates with sepsis
Pentoxifylline for treatment of sepsis and necrotising enterocolitis in neonates (2023) · Cochrane
no estimate extractedNRNo studies
Pentoxifylline with antibiotics (any dose or duration) vs immunoglobulin M‐enriched intravenous immunoglobulin with antibiotics
All‐cause mortality during hospital stay · neonates with sepsis
Pentoxifylline for treatment of sepsis and necrotising enterocolitis in neonates (2023) · Cochrane
RR 1.25 [0.36, 4.39]1 study · 102 participantsVery low