Cochrane · systematic review · CD013830

Methylxanthine for the prevention and treatment of apnea in preterm infants

Marques, KA, Bruschettini, M, Roehr, CC, et al. · Cochrane Database of Systematic Reviews · 2023 · Cochrane Library

NeonatalAMSTAR 2: not assessed
SoF tableOnly the outcomes this review put in its Summary of Findings table are listed (the Cochrane Handbook caps them at about seven per comparison). Its other analyses are not shown here.
Questions
33
current version
GRADE rated
29
No studies
4
Included studies
NR
No studies 4 · 12.1%Ungraded 0 · 0%Very low 2 · 6.1%Low 6 · 18.2%Moderate 20 · 60.6%High 1 · 3%

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.

Questions and results

Methylxanthine compared to placebo or control for any indication in preterm infants

Population: preterm infants at risk of or with apnea; preterm infants undergoing extubation
9 questions
OutcomeEffectEvidenceStatus / GRADE
Death or major neurodevelopmental disability at 18 to 24 months
Methylxanthine vs placebo or control
RR 0.87 [0.78, 0.97]1 study · 1869 participantsModerate
Downgraded: imprecision
Death at hospital discharge
Methylxanthine vs placebo or control
RR 0.99 [0.71, 1.37]7 studies · 2289 participantsModerate
Downgraded: imprecision
Major neurodevelopmental disability at 18 to 24 months
Methylxanthine vs placebo or control
RR 0.85 [0.76, 0.96]1 study · 1869 participantsModerate
Downgraded: imprecision
a) Cerebral palsy or gross motor disability
Methylxanthine vs placebo or control
RR 0.6 [0.41, 0.88]1 study · 1810 participantsModerate
Downgraded: imprecision
b) Developmental delay at 18 to 24 months
Methylxanthine vs placebo or control
RR 0.88 [0.78, 1]1 study · 1725 participantsModerate
Downgraded: imprecision
Any apneic episodes
Methylxanthine vs placebo or control
RR 0.31 [0.18, 0.52]4 studies · 167 participantsModerate
Downgraded: imprecision
Failed apnea reduction
Methylxanthine vs placebo or control
RR 0.48 [0.33, 0.7]4 studies · 174 participantsModerate
Downgraded: imprecision
Positive‐pressure ventilation after institution of treatment
Methylxanthine vs placebo or control
RR 0.61 [0.39, 0.96]9 studies · 373 participantsLow
Downgraded: risk of bias, imprecision
Supplemental oxygen at 36 weeks' postmenstrual age
Methylxanthine vs placebo or control
RR 0.77 [0.69, 0.85]4 studies · 2142 participantsHigh

Methylxanthine compared to placebo or control for the prevention of apnea in preterm infants

Population: preterm infants at risk for apnea
8 questions
OutcomeEffectEvidenceStatus / GRADE
Death or major neurodevelopmental disability at 18 to 24 months
Methylxanthine vs placebo or control
RR 1 [0.8, 1.24]1 study · 423 participantsModerate
Downgraded: imprecision
Death at hospital discharge
Methylxanthine vs placebo or control
RR 2.19 [0.85, 5.68]3 studies · 129 participantsVery low
Downgraded: risk of bias, imprecision
Major neurodevelopmental disability
Methylxanthine vs placebo or control
no estimate extractedNRNo studies
a) Cerebral palsy or gross motor disability
Methylxanthine vs placebo or control
RR 1.03 [0.43, 2.49]1 study · 415 participantsModerate
Downgraded: imprecision
b) Developmental delay
Methylxanthine vs placebo or control
RR 1.08 [0.83, 1.4]1 study · 396 participantsModerate
Downgraded: imprecision
Any apneic episodes
Methylxanthine vs placebo or control
RR 0.19 [0.09, 0.41]2 studies · 104 participantsLow
Downgraded: imprecision
Positive‐pressure ventilation after institution of treatment
Methylxanthine vs placebo or control
RR 1.33 [0.48, 3.72]4 studies · 208 participantsLow
Downgraded: imprecision
Supplemental oxygen at 36 weeks' postmenstrual age
Methylxanthine vs placebo or control
RR 0.78 [0.63, 0.97]3 studies · 541 participantsModerate
Downgraded: imprecision

Methylxanthine compared to placebo or control for the treatment of apnea in preterm infants

Population: preterm infants with apnea
9 questions
OutcomeEffectEvidenceStatus / GRADE
Death or major neurodevelopmental disability at 18 to 24 months
Methylxanthine vs placebo or control
RR 0.85 [0.71, 1.01]1 study · 767 participantsModerate
Downgraded: imprecision
Death at hospital discharge
Methylxanthine vs placebo or control
RR 0.49 [0.14, 1.78]3 studies · 154 participantsLow
Downgraded: imprecision
Major neurodevelopmental disability at 18 to 24 months
Methylxanthine vs placebo or control
no estimate extractedNRNo studies
a) Cerebral palsy or gross motor disability
Methylxanthine vs placebo or control
RR 0.6 [0.29, 1.25]1 study · 729 participantsModerate
Downgraded: imprecision
b) Developmental delay at 18 to 24 months
Methylxanthine vs placebo or control
RR 0.86 [0.69, 1.06]1 study · 715 participantsModerate
Downgraded: imprecision
Any apneic episodes
Methylxanthine vs placebo or control
RR 0.7 [0.3, 1.62]1 study · 43 participantsVery low
Downgraded: risk of bias, imprecision
Failed apnea reduction
Methylxanthine vs placebo or control
RR 0.48 [0.33, 0.7]4 studies · 174 participantsLow
Downgraded: risk of bias, imprecision
Positive‐pressure ventilation after institution of treatment
Methylxanthine vs placebo or control
RR 0.34 [0.12, 0.97]5 studies · 192 participantsLow
Downgraded: risk of bias, imprecision
Supplemental oxygen at 36 weeks' postmenstrual age
Methylxanthine vs placebo or control
RR 0.72 [0.58, 0.89]1 study · 805 participantsModerate
Downgraded: imprecision

Methylxanthine compared to placebo or control for the prevention of re‐intubation in preterm infants

Population: preterm infants prior to extubation
7 questions
OutcomeEffectEvidenceStatus / GRADE
Death or major neurodevelopmental disability at 18 to 24 months
Methylxanthine vs placebo or control
RR 0.85 [0.73, 0.99]1 study · 676 participantsModerate
Downgraded: imprecision
Death at hospital discharge
Methylxanthine vs placebo or control
no estimate extractedNRNo studies
Major neurodevelopmental disability at 18 to 24 months
Methylxanthine vs placebo or control
no estimate extractedNRNo studies
a) Cerebral palsy or gross motor disability
Methylxanthine vs placebo or control
RR 0.54 [0.32, 0.92]1 study · 644 participantsModerate
Downgraded: imprecision
b) Developmental delay at 18 to 24 months
Methylxanthine vs placebo or control
RR 0.83 [0.68, 1.01]1 study · 612 participantsModerate
Downgraded: imprecision
Failed extubation
Methylxanthine vs placebo or control
RR 0.48 [0.32, 0.71]6 studies · 197 participantsModerate
Downgraded: imprecision
Supplemental oxygen at 36 weeks' postmenstrual age
Methylxanthine vs placebo or control
RR 0.81 [0.7, 0.92]2 studies · 704 participantsModerate
Downgraded: imprecision