An international survey on nasal nitric oxide measurement practices for the diagnosis of primary ciliary dyskinesia.

Beydon, Nicole; Ferkol, Thomas; Harris, Amanda Lea; Colas, Murielle; Davis, Stephanie D; Haarman, Eric; Hogg, Claire; Kilbride, Emma; Kouis, Panayotis; Kuehni, Claudia E; Latzin, Philipp; Marangu, Diana; Marthin, June; Nielsen, Kim G; Robinson, Phil; Rumman, Nisreen; Rutter, Matthew; Walker, Woolf; Lucas, Jane S (2022). An international survey on nasal nitric oxide measurement practices for the diagnosis of primary ciliary dyskinesia. ERJ Open Research, 8(2), 00708-2021. European Respiratory Society 10.1183/23120541.00708-2021

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Nasal nitric oxide (nNO) measurements are used in the assessment of patients suspected of having primary ciliary dyskinesia (PCD), but recommendations for performing such measurements have not focused on children and do not include all current practices. To guide the development of a European Respiratory Society-supported technical standard for nNO measurement in children, an international online survey was conducted to better understand current measurement practices among providers involved in PCD diagnostics. 78 professionals responded, representing 65 centres across 18 countries, mainly in Europe and North America. Nearly all centres measured nNO in children and more than half performed measurements before 5 years of age. The test was often postponed in children with signs of acute airway infection. In Europe, the electrochemical technique was more frequently used than chemiluminescence. A similar proportion of centres performed measurements during exhalation against a resistance (49 out of 65) or during tidal breathing (50 out of 65); 15 centres used only exhalation against a resistance and 15 used only tidal breathing. The cut-off values used to discriminate PCD were consistent across centres using chemiluminescence analysers; these centres reported results as an output (nL·min-1). Cut-off values were highly variable across centres using electrochemical devices, and nNO concentrations were typically reported as ppb. This survey is the first to determine real-world use of nNO measurements globally and revealed remarkable variability in methodology, equipment and interpretation. These findings will help standardise methods and training.

Item Type:

Journal Article (Original Article)

Division/Institute:

04 Faculty of Medicine > Department of Gynaecology, Paediatrics and Endocrinology (DFKE) > Clinic of Paediatric Medicine
04 Faculty of Medicine > Pre-clinic Human Medicine > Institute of Social and Preventive Medicine (ISPM)
04 Faculty of Medicine > Department of Gynaecology, Paediatrics and Endocrinology (DFKE) > Clinic of Paediatric Medicine > Paediatric Pneumology

UniBE Contributor:

Kühni, Claudia, Latzin, Philipp

Subjects:

600 Technology > 610 Medicine & health
300 Social sciences, sociology & anthropology > 360 Social problems & social services

ISSN:

2312-0541

Publisher:

European Respiratory Society

Language:

English

Submitter:

Anette van Dorland

Date Deposited:

08 Apr 2022 09:47

Last Modified:

05 Dec 2022 16:18

Publisher DOI:

10.1183/23120541.00708-2021

PubMed ID:

35386825

BORIS DOI:

10.48350/169152

URI:

https://boris.unibe.ch/id/eprint/169152

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