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Does anyone have any experience, or evidence of using Vaseline on blood
sampling sites in neonates? 

It has come to my recent attention that common practice on our neonatal
ward involves smearing Vaseline-style applications to sites where
capillary blood samples are to be obtained from. This helps to prevent
blood from spilling away from the collection device.

I know of evidence in blood gas analysis where the Vaseline in foetal
scalp samples may affect the analysers, but I'm concerned that if
laboratory samples are contaminated, then what effects may we see in lab
results? 

I realise it is a relatively inert substance, but I would like to hear
if anyone knows otherwise.

Many thanks

Chris

 

Chris Bromley

POCT Coordinator

UHNS, Central Pathology Laboratory

01782 554670

 

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