Evidence map›Paper›PMID 12032788›Full record

Trial reportJournal of perinatology : official journal of the California Perinatal Association2002

A randomized, controlled, double-blind trial comparing two loading doses of aminophylline.

Christine Hochwald, Kathleen Kennedy, Jocelin Chang, Fernando Moya

Abstract readClinical TrialComparative StudyRandomized Controlled Trial
PubMed Publisher
In one paragraph

Trial report in Journal of perinatology : official journal of the California Perinatal Association, 2002. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
7citing papers in PubMed, 2 pooled it
0.5field-weighted citation impact, top 26% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

7 citing papers in PubMed, 2 syntheses or guidelines pooled it, 17 citations in OpenAlex.

  1. Methylxanthine for the prevention and treatment of apnea in preterm infants.The Cochrane database of systematic reviews · 2023
    Pooled it
  2. Methylxanthine treatment for apnoea in preterm infants.The Cochrane database of systematic reviews · 2010
    Pooled it
  3. Review
  4. Article
  5. Article
  6. Adenosine A2B receptor blockade slows growth of bladder and breast tumors.Journal of immunology (Baltimore, Md. : 1950) · 2012
    Article
  7. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

4 authors at 2 institutions in 1 country.

Christine HochwaldMemorial Hermann Children's Hospital, Houston, TX, USA.
Kathleen Kennedy
Jocelin Chang
Fernando Moya
Baylor School · USMemorial Hermann · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectiveTo compare 8 mg/kg and 6 mg/kg loading doses of aminophylline. STUDY

designSixty-one preterm infants weighing <1500 g were enrolled once a decision to administer intravenous aminophylline was made. A standard maintenance dose was used. Serum levels of theophylline were drawn 8 hours after the loading dose and before the fifth maintenance dose.

resultsAfter the initial loading dose, the 8 mg/kg group achieved recommended serum theophylline levels (7-12 microg/ml) more frequently than the 6 mg/kg group (39% vs 3%, p=0.002). Subsequent levels were similar between the groups. There were no increases in side effects with the higher loading dose.

conclusionIf a clinical decision to start intravenous aminophylline therapy in preterm infants has been made, the use of an 8 mg/kg loading dose appears to be a better and safe way to quickly achieve serum theophylline levels within the recommended range.

Indexed as

AminophyllineApneaBronchodilator AgentsDouble-Blind MethodFemaleHumansInfant, NewbornInfant, PrematureInfant, Premature, DiseasesMaleAminophyllineBronchodilator Agents

Identifiers

PMID12032788
OpenAlexW2030294399

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.