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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.
2,353 questions in 210 reviews · Neonatal
current versionsNo 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.
| Question | Effect | Evidence | Status / GRADE |
|---|---|---|---|
Prebiotics vs control Bayley Scales of Infant Development Psychomotor Development Index < 85 (assessed beyond infancy) · very preterm or very low birth weight infants Prebiotics to prevent necrotising enterocolitis in very preterm or very low birth weight infants (2023) · Cochrane | no estimate extracted | 1 study · 68 participants | Very low |
Prebiotics vs control Cerebral palsy (assessed beyond infancy) · very preterm or very low birth weight infants Prebiotics to prevent necrotising enterocolitis in very preterm or very low birth weight infants (2023) · Cochrane | no estimate extracted | 1 study · 76 participants | Very low |
NMDA receptor antagonists vs no treatment, placebo, oral sweet solution, or non‐pharmacological intervention Pain score during the procedure, · Procedural pain in neonates Non‐opioid analgesics for procedural pain in neonates (2023) · Cochrane | no estimate extracted | NR | Very low |
Intervention NR Hypotension requiring medical therapy (vasopressors or fluid boluses), occurring during the procedure No. of participants: 124(1 RCT) · Procedural pain in neonates Non‐opioid analgesics for procedural pain in neonates (2023) · Cochrane | RR 5.53 [0.27, 112.3] | NR | Very low |
NMDA receptor antagonists vs no treatment, placebo, oral sweet solution, or non‐pharmacological intervention Pain score assessed up to 10 minutes after the procedure · Procedural pain in neonates Non‐opioid analgesics for procedural pain in neonates (2023) · Cochrane | no estimate extracted | NR | No studies |
NMDA receptor antagonists vs no treatment, placebo, oral sweet solution, or non‐pharmacological intervention Episodes of bradycardia, defined as a fall in heart rate of more than 30% below the baseline or less than 100 beats per minute for 10 seconds or longer, occurring during the procedure · Procedural pain in neonates Non‐opioid analgesics for procedural pain in neonates (2023) · Cochrane | no estimate extracted | NR | No studies |
NMDA receptor antagonists vs no treatment, placebo, oral sweet solution, or non‐pharmacological intervention Episodes of apnea (mean rates of apnea), occurring during the procedure · Procedural pain in neonates Non‐opioid analgesics for procedural pain in neonates (2023) · Cochrane | no estimate extracted | NR | No studies |
NMDA receptor antagonists vs no treatment, placebo, oral sweet solution, or non‐pharmacological intervention Hypotension requiring medical therapy (vasopressors or fluid boluses), occurring during the procedure · Procedural pain in neonates Non‐opioid analgesics for procedural pain in neonates (2023) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Pain score · Procedural pain in neonates Non‐opioid analgesics for procedural pain in neonates (2023) · Cochrane | no estimate extracted | NR | Very low |
Intervention NR Pain score assessed up to 10 minutes after the procedure · Procedural pain in neonates Non‐opioid analgesics for procedural pain in neonates (2023) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Episodes of bradycardia, defined as a fall in heart rate of more than 30% below the baseline or less than 100 beats per minute for 10 seconds or longer, occurring during the procedure · Procedural pain in neonates Non‐opioid analgesics for procedural pain in neonates (2023) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Episodes of apnea (mean rates of apnea), occurring during the procedure. No. of participants: 124(1 RCT) · Procedural pain in neonates Non‐opioid analgesics for procedural pain in neonates (2023) · Cochrane | RR 0.31 [0.08, 1.18] | NR | Very low |
Caffeine vs other methylxanthines All‐cause mortality prior to hospital discharge№ of participants: 396(2 RCTs) · preterm infants Caffeine versus other methylxanthines for the prevention and treatment of apnea in preterm infants (2023) · Cochrane | RR 1.12 [0.68, 1.84] | NR | Low |
Caffeine vs other methylxanthines f) Hearing impairment (requiring amplification) № of participants: 6(1 RCT) · preterm infants Caffeine versus other methylxanthines for the prevention and treatment of apnea in preterm infants (2023) · Cochrane | no estimate extracted | NR | Very low |
Caffeine vs other methylxanthines Bronchopulmonary dysplasia/chronic lung disease: defined as 28 days of oxygen exposure at 36 weeks' postmenstrual age№ of participants: 481(3 RCTs) · preterm infants Caffeine versus other methylxanthines for the prevention and treatment of apnea in preterm infants (2023) · Cochrane | RR 1.4 [0.92, 2.11] | NR | Low |
Caffeine vs other methylxanthines Side effects (tachycardia, agitation, or feed intolerance) leading to a reduction in dose or withholding of methylxanthines№ of participants: 30(1 RCT) · preterm infants Caffeine versus other methylxanthines for the prevention and treatment of apnea in preterm infants (2023) · Cochrane | RR 0.17 [0.02, 1.32] | NR | Very low |
Caffeine vs other methylxanthines Duration of hospital stay (days) № of participants: 240 (1 RCT) · preterm infants Caffeine versus other methylxanthines for the prevention and treatment of apnea in preterm infants (2023) · Cochrane | no estimate extracted | NR | Low |
Caffeine vs other methylxanthines Seizures (clinically diagnosed) · preterm infants Caffeine versus other methylxanthines for the prevention and treatment of apnea in preterm infants (2023) · Cochrane | no estimate extracted | NR | No studies |
Caffeine vs other methylxanthines Moderate to severe neurodevelopmental disability at 18 to 26 months · preterm infants Caffeine versus other methylxanthines for the prevention and treatment of apnea in preterm infants (2023) · Cochrane | no estimate extracted | NR | No studies |
Caffeine vs other methylxanthines a) Cerebral palsy · preterm infants Caffeine versus other methylxanthines for the prevention and treatment of apnea in preterm infants (2023) · Cochrane | no estimate extracted | NR | No studies |
Caffeine vs other methylxanthines b) Gross motor disability defined as ≥ level 2 according to the GMFCS · preterm infants Caffeine versus other methylxanthines for the prevention and treatment of apnea in preterm infants (2023) · Cochrane | no estimate extracted | NR | No studies |
Caffeine vs other methylxanthines c) Developmental delay more than two SDs below population mean on a standardized test of development: cognitive delay № of participants: 79(1 RCT) · preterm infants Caffeine versus other methylxanthines for the prevention and treatment of apnea in preterm infants (2023) · Cochrane | RR 0.17 [0.02, 1.37] | NR | Very low |
Caffeine vs other methylxanthines c) Developmental delay more than two SDs below population mean on a standardized test of development: language delay № of participants: 79(1 RCT) · preterm infants Caffeine versus other methylxanthines for the prevention and treatment of apnea in preterm infants (2023) · Cochrane | RR 0.76 [0.37, 1.58] | NR | Very low |
Caffeine vs other methylxanthines c) Developmental delay more than two SDs below population mean on a standardized test of development: motor delay № of participants: 79(1 RCT) · preterm infants Caffeine versus other methylxanthines for the prevention and treatment of apnea in preterm infants (2023) · Cochrane | RR 0.5 [0.13, 1.96] | NR | Very low |
Caffeine vs other methylxanthines d) Mental development IQ > 2 SD below the mean · preterm infants Caffeine versus other methylxanthines for the prevention and treatment of apnea in preterm infants (2023) · Cochrane | no estimate extracted | NR | No studies |
Caffeine vs other methylxanthines e) Visual impairment (vision < 6/60 in both eyes) № of participants: 21(1 RCT) · preterm infants Caffeine versus other methylxanthines for the prevention and treatment of apnea in preterm infants (2023) · Cochrane | no estimate extracted | NR | Very low |
Lateral decubitus position vs sitting position Successful lumbar puncture procedure at the first attempt, with < 10000 red blood cells/mm3№ of participants: 1249(2 RCTs) · lumbar puncture in newborn infants Positioning for lumbar puncture in newborn infants (2023) · Cochrane | RR 0.99 [0.88, 1.12] | NR | Moderate |
Lateral decubitus position vs prone position Episodes of bradycardia, defined as a fall in heart rate of more than 30% below the baseline or less than 100 beats per minute for 10 seconds or longer— not reported · lumbar puncture in newborn infants Positioning for lumbar puncture in newborn infants (2023) · Cochrane | no estimate extracted | NR | No studies |
Lateral decubitus position vs prone position Time to perform the lumbar puncture—not reported · lumbar puncture in newborn infants Positioning for lumbar puncture in newborn infants (2023) · Cochrane | no estimate extracted | NR | No studies |
Lateral decubitus position vs prone position Episodes of desaturation, defined as a decrease of SpO2 to less than 80%, with no minimum duration specified—not reported · lumbar puncture in newborn infants Positioning for lumbar puncture in newborn infants (2023) · Cochrane | no estimate extracted | NR | No studies |
Lateral decubitus position vs prone position Apnea: number of episodes (defined as interruption of breathing for more than 20 seconds) during the procedure—not reported · lumbar puncture in newborn infants Positioning for lumbar puncture in newborn infants (2023) · Cochrane | no estimate extracted | NR | No studies |
Lateral decubitus position vs prone position Apnea: number of infants with 1 or more episodes (defined as interruption of breathing for more than 20 seconds) during the procedure—not reported · lumbar puncture in newborn infants Positioning for lumbar puncture in newborn infants (2023) · Cochrane | no estimate extracted | NR | No studies |
Lateral decubitus position vs sitting position Total number of lumbar puncture attempts (successful or unsuccessful)—not reported · lumbar puncture in newborn infants Positioning for lumbar puncture in newborn infants (2023) · Cochrane | no estimate extracted | NR | No studies |
Lateral decubitus position vs sitting position Episodes of bradycardia№ of participants: 1279(3 RCTs) · lumbar puncture in newborn infants Positioning for lumbar puncture in newborn infants (2023) · Cochrane | RR 1.72 [1.08, 2.76] | NR | Moderate |
Lateral decubitus position vs sitting position Time to perform the lumbar puncture№ of participants: 1102(2 RCTs) · lumbar puncture in newborn infants Positioning for lumbar puncture in newborn infants (2023) · Cochrane | MD 2 | NR | High |
Lateral decubitus position vs sitting position Episodes of desaturation (decrease of SpO2 to less than 80%)№ of participants: 1249(2 RCTs) · lumbar puncture in newborn infants Positioning for lumbar puncture in newborn infants (2023) · Cochrane | RR 2.1 [1.42, 3.08] | NR | Moderate |
Lateral decubitus position vs sitting position Apnea: number of episodes (interruption of breathing for more than 20 seconds) during the procedure№ of participants: 197(2 RCTs) · lumbar puncture in newborn infants Positioning for lumbar puncture in newborn infants (2023) · Cochrane | RR 0 | NR | Low |
Lateral decubitus position vs sitting position Apnea: number of infants with 1 or more episodes (defined as interruption of breathing for more than 20 seconds) during the procedure—not reported · lumbar puncture in newborn infants Positioning for lumbar puncture in newborn infants (2023) · Cochrane | no estimate extracted | NR | No studies |
Lateral decubitus position vs prone position Successful lumbar puncture procedure at the first attempt№ of participants: 171(1 RCT) · lumbar puncture in newborn infants Positioning for lumbar puncture in newborn infants (2023) · Cochrane | RR 0.75 [0.63, 0.9] | NR | Low |
Lateral decubitus position vs prone position Total number of lumbar puncture attempts—not reported · lumbar puncture in newborn infants Positioning for lumbar puncture in newborn infants (2023) · Cochrane | no estimate extracted | NR | No studies |
Topical anesthetics vs placebo or no intervention Successful LP on first attempt № of LPs: 100(1 quasi‐RCT) · newborn infants undergoing lumbar puncture Pharmacological interventions for the management of pain and discomfort during lumbar puncture in newborn… (2023) · Cochrane | no estimate extracted | NR | Very low |
Topical anesthetics vs placebo or no intervention Total number of LP attempts № of LPs: 100(1 quasi‐RCT) · newborn infants undergoing lumbar puncture Pharmacological interventions for the management of pain and discomfort during lumbar puncture in newborn… (2023) · Cochrane | no estimate extracted | NR | Very low |
Topical anesthetics vs placebo or no intervention Episodes of bradycardia, defined as a fall in heart rate to > 30% below the baseline or < 100 beats per minute for ≥ 10 seconds № of LPs: 100(1 quasi‐RCT) · newborn infants undergoing lumbar puncture Pharmacological interventions for the management of pain and discomfort during lumbar puncture in newborn… (2023) · Cochrane | no estimate extracted | NR | Very low |
Topical anesthetics vs placebo or no intervention NFCS pain score during the procedure№ of infants: 112(2 RCTs) Score · newborn infants undergoing lumbar puncture Pharmacological interventions for the management of pain and discomfort during lumbar puncture in newborn… (2023) · Cochrane | no estimate extracted | NR | Low |
Topical anesthetics vs placebo or no intervention Episodes of desaturation, defined as a decrease in arterial SpO2 to < 80% (no minimum duration specified) № of LPs: 100(1 quasi‐RCT) · newborn infants undergoing lumbar puncture Pharmacological interventions for the management of pain and discomfort during lumbar puncture in newborn… (2023) · Cochrane | no estimate extracted | NR | Very low |
Topical anesthetics vs placebo or no intervention Apnea: number of episodesduring the procedure · newborn infants undergoing lumbar puncture Pharmacological interventions for the management of pain and discomfort during lumbar puncture in newborn… (2023) · Cochrane | no estimate extracted | NR | No studies |
Topical anesthetics vs placebo or no intervention Apnea: occurrence of one or more episodes№ of LPs: 100(1 quasi‐RCT) · newborn infants undergoing lumbar puncture Pharmacological interventions for the management of pain and discomfort during lumbar puncture in newborn… (2023) · Cochrane | RR 3.24 [0.14, 77.79] | NR | Very low |
Intervention NR Necrotising enterocolitis prior to hospital discharge · very preterm (< 32 weeks' gestation) or very low birth weight (< 1500 g) infants Delayed introduction of progressive enteral feeds to prevent necrotising enterocolitis in very low birth… (2022) · Cochrane | RR 0.81 | 13 studies · 1507 participants | Low |
Intervention NR Mortality prior to hospital discharge · very preterm (< 32 weeks' gestation) or very low birth weight (< 1500 g) infants Delayed introduction of progressive enteral feeds to prevent necrotising enterocolitis in very low birth… (2022) · Cochrane | RR 0.97 [0.7, 1.36] | 12 studies · 1399 participants | Low |
Intervention NR Feed intolerance prior to hospital discharge · very preterm (< 32 weeks' gestation) or very low birth weight (< 1500 g) infants Delayed introduction of progressive enteral feeds to prevent necrotising enterocolitis in very low birth… (2022) · Cochrane | RR 0.81 [0.68, 0.97] | 6 studies · 581 participants | Low |