Journal article

Refining diagnostic criteria for paediatric bronchiectasis using low-dose CT scan

J Wu, J Bracken, A Lam, KL Francis, F Ramanauskas, AB Chang, P Robinson, P McCallum, DF Wurzel

Respiratory Medicine | W B SAUNDERS CO LTD | Published : 2021

Abstract

Background: There is a current lack of consensus amongst paediatric radiologists and respiratory paediatricians as to the correct CT definition of bronchiectasis in children. Using contemporary low-dose CT, our objectives were to determine the upper limit of normal for broncho-arterial ratio (BAR) in children and to evaluate the effect of age and general anaesthesia. Methods: Measurements of 330 broncho-arterial ratios from 51 children (0–19 years) undergoing low-dose CT chest for non-respiratory indications were performed by 3 blinded observers (two radiologists, one respiratory physician) using four different methods. Inter-observer reliability, mean BAR and reference ranges (mean±2SD) wer..

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Grants

Awarded by Murdoch Children's Research Institute


Funding Acknowledgements

DFW receives research salary support from MCRI. AC is supported by a National Health and Medical Research Council (NHMRC) Practitioner Fellowship (APP1058213) and a top-up fellowship from the Queensland Children's Hospital Foundation (grant 50286). She has received multiple peer reviewed competitive grants from the NHMRC relating to bronchiectasis including a Centre of Research Excellence Grant.