Non‐reassuring results in agreement trial comparing glass and plastic capillary tubes for neonatal blood gas sampling

Aim To determine agreement between neonatal capillary blood gases taken with plastic and glass tubes. Methods An agreement study was carried out in a regional tertiary neonatal unit. Inpatient babies ≥1 kg were recruited to the study when parents gave consent. After taking the routine glass capillar...

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Bibliographic Details
Published in:Acta Paediatrica 2019-06, Vol.108 (6), p.1055-1060
Main Authors: Tanney, Kristin, Mahaveer, Ajit, Dockery, Karen, Booth, Nicola, Chadwick, Carol A., Chaloner, Chris M., Rajai, Azita
Format: Article
Language:English
Subjects:
Agreements
Blood
Capillary
Capillary tubes
Failure rates
Gas
Gas sampling
Gases
Neonatal
Neonates
pH effects
Plastics
Sampling
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Summary:Aim To determine agreement between neonatal capillary blood gases taken with plastic and glass tubes. Methods An agreement study was carried out in a regional tertiary neonatal unit. Inpatient babies ≥1 kg were recruited to the study when parents gave consent. After taking the routine glass capillary tube sample, a plastic tube sample was taken and run if the heel continued to bleed. Successful sample pairs were recorded and analysed against pre‐defined acceptable differences. Assessment was also made of differences in failure rates between tube types for each parameter. Results Twenty‐eight babies provided 135 blood gas pairs, of which five pairs were excluded. Successful pairing of results was achieved for pH in 105 valid samples. There were more failed plastic samples than glass, reaching significance for almost all parameters. pH, pO2 and pCO2 showed poor agreement (
ISSN:0803-5253
1651-2227
DOI:10.1111/apa.14653