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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
High‐dose vs standard‐dose strategies
Bronchopulmonary dysplasia/chronic lung disease (BPD) at 36 weeks' postmenstrual age · preterm infants with or at risk for apnea of prematurity
Caffeine dosing regimens in preterm infants with or at risk for apnea of prematurity (2023) · Cochrane
RR 0.68 [0.48, 0.97]1 study · 238 participantsLow
High‐dose vs standard‐dose strategies
Major neurodevelopmental disability in children aged 3 to 5 years CA · preterm infants with or at risk for apnea of prematurity
Caffeine dosing regimens in preterm infants with or at risk for apnea of prematurity (2023) · Cochrane
RR 0.791 study · 46 participantsVery low
High‐dose vs standard‐dose strategies
Side effects (tachycardia, agitation, or feed intolerance) leading to a reduction in dose or withholding of caffeine · preterm infants with or at risk for apnea of prematurity
Caffeine dosing regimens in preterm infants with or at risk for apnea of prematurity (2023) · Cochrane
no estimate extractedNRNo studies
High‐dose vs standard‐dose strategies
Duration of hospital stay (days) · preterm infants with or at risk for apnea of prematurity
Caffeine dosing regimens in preterm infants with or at risk for apnea of prematurity (2023) · Cochrane
no estimate extractedNRNo studies
High‐dose vs standard‐dose strategies
Seizures (clinically diagnosed; diagnosed by electroencephalography) · preterm infants with or at risk for apnea of prematurity
Caffeine dosing regimens in preterm infants with or at risk for apnea of prematurity (2023) · Cochrane
no estimate extractedNRNo studies
High‐dose vs standard‐dose strategies
Mortality or major neurodevelopmental disability in children aged 18 to 24 months and 3 to 5 years CA · preterm infants with or at risk for apnea of prematurity
Caffeine dosing regimens in preterm infants with or at risk for apnea of prematurity (2023) · Cochrane
no estimate extractedNRNo studies
High‐dose vs standard‐dose strategies
Bronchopulmonary dysplasia/chronic lung disease (BPD) at 36 weeks' postmenstrual age · preterm infants with or at risk for apnea of prematurity
Caffeine dosing regimens in preterm infants with or at risk for apnea of prematurity (2023) · Cochrane
RR 0.75 [0.6, 0.94]5 studies · 723 participantsModerate
High‐dose vs standard‐dose strategies
Side effects (tachycardia, agitation, or feed intolerance) leading to a reduction in dose or withholding of caffeine · preterm infants with or at risk for apnea of prematurity
Caffeine dosing regimens in preterm infants with or at risk for apnea of prematurity (2023) · Cochrane
RR 1.66 [0.86, 3.23]5 studies · 593 participantsLow
High‐dose vs standard‐dose strategies
Duration of hospital stay(days) · preterm infants with or at risk for apnea of prematurity
Caffeine dosing regimens in preterm infants with or at risk for apnea of prematurity (2023) · Cochrane
no estimate extracted3 studies · 3 participantsUngraded
High‐dose vs standard‐dose strategies
Seizures (clinically diagnosed; diagnosed by electroencephalography) · preterm infants with or at risk for apnea of prematurity
Caffeine dosing regimens in preterm infants with or at risk for apnea of prematurity (2023) · Cochrane
RR 1.42 [0.79, 2.53]1 study · 74 participantsVery low
High‐dose vs standard‐dose strategies
All‐cause mortality prior to hospital discharge · preterm infants at risk for apnea of prematurity
Caffeine dosing regimens in preterm infants with or at risk for apnea of prematurity (2023) · Cochrane
RR 1.32 [0.5, 3.53]2 studies · 152 participantsVery low
Doxapram vs no treatment, placebo, methylxanthine (including theophylline, aminophylline, or caffeine), or
1a. Failed apnea reduction after 2–7 days – doxapram compared to no treatment for the treatment of apnea · treatment of apnea
Doxapram for the prevention and treatment of apnea in preterm infants (2023) · Cochrane
RR 0.45 [0.2, 1.05]1 study · 21 participantsLow
Doxapram vs no treatment, placebo, methylxanthine (including theophylline, aminophylline, or caffeine), or
4a.Death at any time during initial hospitalization – doxapram compared to no treatment for the treatment of apnea · treatment of apnea
Doxapram for the prevention and treatment of apnea in preterm infants (2023) · Cochrane
no estimate extractedNRNo studies
Doxapram vs no treatment, placebo, methylxanthine (including theophylline, aminophylline, or caffeine), or
4b. Death at any time during initial hospitalization – doxapram compared to alternative treatment for the treatment of apnea · treatment of apnea
Doxapram for the prevention and treatment of apnea in preterm infants (2023) · Cochrane
no estimate extractedNRNo studies
Doxapram vs no treatment, placebo, methylxanthine (including theophylline, aminophylline, or caffeine), or
4c. Death at any time during initial hospitalization – doxapram as an adjunct to methylxanthine compared to methylxanthine alone for the treatment of apnea · treatment of apnea
Doxapram for the prevention and treatment of apnea in preterm infants (2023) · Cochrane
no estimate extractedNRNo studies
Doxapram vs no treatment, placebo, methylxanthine (including theophylline, aminophylline, or caffeine), or
5a. Moderate‐to‐severe neurodevelopmental disability or intellectual impairment after 2 years of age – doxapram compared to no treatment for the treatment of apnea · treatment of apnea
Doxapram for the prevention and treatment of apnea in preterm infants (2023) · Cochrane
no estimate extractedNRNo studies
Doxapram vs no treatment, placebo, methylxanthine (including theophylline, aminophylline, or caffeine), or
5b. Moderate‐to‐severe neurodevelopmental disability or intellectual impairment after 2 years of age – doxapram compared to alternative treatment for the treatment of apnea · treatment of apnea
Doxapram for the prevention and treatment of apnea in preterm infants (2023) · Cochrane
no estimate extractedNRNo studies
Doxapram vs no treatment, placebo, methylxanthine (including theophylline, aminophylline, or caffeine), or
5c. Moderate‐to‐severe neurodevelopmental disability or intellectual impairment after 2 years of age – doxapram as an adjunct to methylxanthine compared to methylxanthine alone for the treatment of apnea · treatment of apnea
Doxapram for the prevention and treatment of apnea in preterm infants (2023) · Cochrane
no estimate extractedNRNo studies
Doxapram vs no treatment, placebo, methylxanthine (including theophylline, aminophylline, or caffeine), or
6a. Side effects causing cessation of therapy – doxapram compared to no treatment for the treatment of apnea · treatment of apnea
Doxapram for the prevention and treatment of apnea in preterm infants (2023) · Cochrane
no estimate extracted1 study · 21 participantsLow
Doxapram vs no treatment, placebo, methylxanthine (including theophylline, aminophylline, or caffeine), or
6b. Side effects causing cessation of therapy – doxapram compared to alternative treatment for the treatment of apnea · treatment of apnea
Doxapram for the prevention and treatment of apnea in preterm infants (2023) · Cochrane
no estimate extracted2 studies · 37 participantsLow
Doxapram vs no treatment, placebo, methylxanthine (including theophylline, aminophylline, or caffeine), or
6c. Side effects causing cessation of therapy – doxapram as an adjunct to methylxanthine compared to methylxanthine alone for the treatment of apnea · treatment of apnea
Doxapram for the prevention and treatment of apnea in preterm infants (2023) · Cochrane
no estimate extractedNRNo studies
Doxapram vs no treatment, placebo, methylxanthine (including theophylline, aminophylline, or caffeine), or
1a.'Clinical apnea' after initiation of treatment – doxapram compared to no treatment for the prevention of reintubation · prevention of reintubation
Doxapram for the prevention and treatment of apnea in preterm infants (2023) · Cochrane
no estimate extractedNRNo studies
Doxapram vs no treatment, placebo, methylxanthine (including theophylline, aminophylline, or caffeine), or
1b. Failed apnea reduction after 2–7 days – doxapram compared to alternative treatment for the treatment of apnea · treatment of apnea
Doxapram for the prevention and treatment of apnea in preterm infants (2023) · Cochrane
RR 1.35 [0.53, 3.45]4 studies · 84 participantsVery low
Doxapram vs no treatment, placebo, methylxanthine (including theophylline, aminophylline, or caffeine), or
1b. 'Clinical apnea' after initiation of treatment – doxapram compared to alternative treatment for the prevention of reintubation · prevention of reintubation
Doxapram for the prevention and treatment of apnea in preterm infants (2023) · Cochrane
no estimate extractedNRNo studies
Doxapram vs no treatment, placebo, methylxanthine (including theophylline, aminophylline, or caffeine), or
1c.'Clinical apnea' after initiation of treatment – doxapram as an adjunct to methylxanthine compared to methylxanthine alone for the prevention of reintubation · prevention of reintubation
Doxapram for the prevention and treatment of apnea in preterm infants (2023) · Cochrane
RR 0.36 [0.13, 0.98]1 study · 56 participantsLow
Doxapram vs no treatment, placebo, methylxanthine (including theophylline, aminophylline, or caffeine), or
2a. Failed apnea reduction after 2–7 days – doxapram compared to no treatment for the prevention of reintubation · prevention of reintubation
Doxapram for the prevention and treatment of apnea in preterm infants (2023) · Cochrane
no estimate extractedNRNo studies
Doxapram vs no treatment, placebo, methylxanthine (including theophylline, aminophylline, or caffeine), or
2b. Failed apnea reduction after 2–7 days – doxapram compared to alternative treatment for the prevention of reintubation · prevention of reintubation
Doxapram for the prevention and treatment of apnea in preterm infants (2023) · Cochrane
RR 0.43 [0.1, 1.83]1 study · 25 participantsVery low
Doxapram vs no treatment, placebo, methylxanthine (including theophylline, aminophylline, or caffeine), or
2c. Failed apnea reduction after 2–7 days – doxapram as an adjunct to methylxanthine compared to methylxanthine alone for the prevention of reintubation · prevention of reintubation
Doxapram for the prevention and treatment of apnea in preterm infants (2023) · Cochrane
RR 0.92 [0.52, 1.62]1 study · 56 participantsLow
Doxapram vs no treatment, placebo, methylxanthine (including theophylline, aminophylline, or caffeine), or
3a. Chronic lung disease at 36 weeks' postmenstrual age – doxapram compared to no treatment for the prevention of reintubation · prevention of reintubation
Doxapram for the prevention and treatment of apnea in preterm infants (2023) · Cochrane
no estimate extractedNRNo studies
Doxapram vs no treatment, placebo, methylxanthine (including theophylline, aminophylline, or caffeine), or
3b. Chronic lung disease at 36 weeks' postmenstrual age – doxapram compared to alternative treatment for the prevention of reintubation · prevention of reintubation
Doxapram for the prevention and treatment of apnea in preterm infants (2023) · Cochrane
no estimate extractedNRNo studies
Doxapram vs no treatment, placebo, methylxanthine (including theophylline, aminophylline, or caffeine), or
3c. Chronic lung disease at 36 weeks' postmenstrual age – doxapram as an adjunct to methylxanthine compared to methylxanthine alone for the prevention of reintubation · prevention of reintubation
Doxapram for the prevention and treatment of apnea in preterm infants (2023) · Cochrane
no estimate extractedNRNo studies
Doxapram vs no treatment, placebo, methylxanthine (including theophylline, aminophylline, or caffeine), or
4a. Death (at any time during initial hospitalization) – doxapram compared to no treatment for the prevention of reintubation · prevention of reintubation
Doxapram for the prevention and treatment of apnea in preterm infants (2023) · Cochrane
no estimate extractedNRNo studies
Doxapram vs no treatment, placebo, methylxanthine (including theophylline, aminophylline, or caffeine), or
4b. Death (at any time during initial hospitalization) – doxapram compared to alternative treatment for the prevention of reintubation · prevention of reintubation
Doxapram for the prevention and treatment of apnea in preterm infants (2023) · Cochrane
no estimate extractedNRNo studies
Doxapram vs no treatment, placebo, methylxanthine (including theophylline, aminophylline, or caffeine), or
1c. Failed apnea reduction after 2–7 days – doxapram as an adjunct to methylxanthine compared to methylxanthine alone for the treatment of apnea · treatment of apnea
Doxapram for the prevention and treatment of apnea in preterm infants (2023) · Cochrane
RR 0.08 [0.01, 1.17]1 study · 10 participantsVery low
Doxapram vs no treatment, placebo, methylxanthine (including theophylline, aminophylline, or caffeine), or
4c. Death (at any time during initial hospitalization) – doxapram as an adjunct to methylxanthine compared to methylxanthine alone for the prevention of reintubation · prevention of reintubation
Doxapram for the prevention and treatment of apnea in preterm infants (2023) · Cochrane
RR 1.43 [0.34, 6.01]2 studies · 85 participantsVery low
Doxapram vs no treatment, placebo, methylxanthine (including theophylline, aminophylline, or caffeine), or
5a.Moderate‐to‐severe neurodevelopmental disability or intellectual impairment after 2 years of age – doxapram compared to no treatment for the prevention of reintubation · prevention of reintubation
Doxapram for the prevention and treatment of apnea in preterm infants (2023) · Cochrane
no estimate extractedNRNo studies
Doxapram vs no treatment, placebo, methylxanthine (including theophylline, aminophylline, or caffeine), or
5b. Moderate‐to‐severe neurodevelopmental disability or intellectual impairment after 2 years of age – doxapram compared to alternative treatment for the prevention of reintubation · prevention of reintubation
Doxapram for the prevention and treatment of apnea in preterm infants (2023) · Cochrane
no estimate extractedNRNo studies
Doxapram vs no treatment, placebo, methylxanthine (including theophylline, aminophylline, or caffeine), or
5c. Moderate‐to‐severe neurodevelopmental disability or intellectual impairment after 2 years of age – doxapram as an adjunct to methylxanthine compared to methylxanthine alone for the prevention of reintubation · prevention of reintubation
Doxapram for the prevention and treatment of apnea in preterm infants (2023) · Cochrane
no estimate extractedNRNo studies
Doxapram vs no treatment, placebo, methylxanthine (including theophylline, aminophylline, or caffeine), or
6a. Side effects causing cessation of therapy – doxapram compared to no treatment for the prevention of reintubation · prevention of reintubation
Doxapram for the prevention and treatment of apnea in preterm infants (2023) · Cochrane
no estimate extractedNRNo studies
Doxapram vs no treatment, placebo, methylxanthine (including theophylline, aminophylline, or caffeine), or
6b. Side effects causing cessation of therapy – doxapram compared to alternative treatment for the prevention of reintubation · prevention of reintubation
Doxapram for the prevention and treatment of apnea in preterm infants (2023) · Cochrane
no estimate extractedNRNo studies
Doxapram vs no treatment, placebo, methylxanthine (including theophylline, aminophylline, or caffeine), or
6c. Side effects causing cessation of therapy – doxapram as an adjunct to methylxanthine compared to methylxanthine alone for the prevention of reintubation · prevention of reintubation
Doxapram for the prevention and treatment of apnea in preterm infants (2023) · Cochrane
RR 6.42 [0.8, 51.26]2 studies · 85 participantsVery low
Doxapram vs no treatment, placebo, methylxanthine (including theophylline, aminophylline, or caffeine), or
2a. Need for positive pressure ventilation after initiation of treatment – doxapram compared to no treatment for the treatment of apnea · treatment of apnea
Doxapram for the prevention and treatment of apnea in preterm infants (2023) · Cochrane
RR 0.31 [0.01, 6.74]1 study · 21 participantsVery low
Doxapram vs no treatment, placebo, methylxanthine (including theophylline, aminophylline, or caffeine), or
2b. Need for positive pressure ventilation after initiation of treatment – doxapram compared to alternative treatment for the treatment of apnea · treatment of apnea
Doxapram for the prevention and treatment of apnea in preterm infants (2023) · Cochrane
RR 2.4 [0.11, 51.32]2 studies · 37 participantsVery low
Doxapram vs no treatment, placebo, methylxanthine (including theophylline, aminophylline, or caffeine), or
2c. Need for positive pressure ventilation after initiation of treatment – doxapram as an adjunct to methylxanthine compared to methylxanthine alone for the treatment of apnea · treatment of apnea
Doxapram for the prevention and treatment of apnea in preterm infants (2023) · Cochrane
no estimate extractedNRNo studies
Doxapram vs no treatment, placebo, methylxanthine (including theophylline, aminophylline, or caffeine), or
3a. Chronic lung disease at 36 weeks' postmenstrual age (defined as supplemental oxygen at 36 weeks' gestation) – doxapram compared to no treatment for the treatment of apnea · treatment of apnea
Doxapram for the prevention and treatment of apnea in preterm infants (2023) · Cochrane
no estimate extractedNRNo studies
Doxapram vs no treatment, placebo, methylxanthine (including theophylline, aminophylline, or caffeine), or
3b. Chronic lung disease at 36 weeks' postmenstrual age (defined as supplemental oxygen at 36 weeks' gestation) – doxapram compared to alternative treatment for the treatment of apnea · treatment of apnea
Doxapram for the prevention and treatment of apnea in preterm infants (2023) · Cochrane
no estimate extractedNRNo studies
Doxapram vs no treatment, placebo, methylxanthine (including theophylline, aminophylline, or caffeine), or
3c. Chronic lung disease at 36 weeks' postmenstrual age (defined as supplemental oxygen at 36 weeks' gestation) – doxapram as an adjunct to methylxanthine compared to methylxanthine alone for the treatment of apnea · treatment of apnea
Doxapram for the prevention and treatment of apnea in preterm infants (2023) · Cochrane
no estimate extractedNRNo studies
Summary of findings table ‐ Sucrose (any concentration, any dose, with or without NNS) vs control (water, placebo, or no intervention)
PIPP scores at 30 seconds after lancing (term and preterm infants)Scale from: 0 to 21 · neonates
Sucrose analgesia for heel‐lance procedures in neonates (2023) · Cochrane
no estimate extracted7 studies · 547 participantsModerate
Summary of findings table ‐ Sucrose (any concentration, any dose) + NNS vs NNS (with or without water)
PIPP scores during recovery after heel lancing (preterm infants)Scale from: 0 to 21a,e · neonates
Sucrose analgesia for heel‐lance procedures in neonates (2023) · Cochrane
no estimate extracted1 study · 44 participantsVery low
Summary of findings table ‐ Sucrose (any concentration, any dose) + NNS vs NNS (with or without water)
NFCS during heel lancing (term infants)Scale from: 0 to 9f,g · neonates
Sucrose analgesia for heel‐lance procedures in neonates (2023) · Cochrane
no estimate extracted1 study · 100 participantsVery low