Can Nasal Nitric Oxide Aid PCD Diagnosis? - Summary - MDSpire
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Can Nasal Nitric Oxide Aid PCD Diagnosis?

Evidence synthesis shows strong diagnostic performance but highlights variability across subgroups and clinical settings

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Nasal nitric oxide (nNO) measurement shows high diagnostic accuracy for primary ciliary dyskinesia (PCD), a rare genetic disorder affecting mucociliary clearance. A review by Eric Gerardus Haarman from Amsterdam University Medical Center evaluates nNO's performance against reference standards, noting a sensitivity of 98% and specificity of 96% in comprehensive analyses. However, nNO should not be a standalone test and must be paired with other diagnostic methods to effectively identify PCD, as performance varies with genetic and clinical factors, including age and infection status.

Original Source(s)

Can Nasal Nitric Oxide Aid PCD Diagnosis?

  • by Andrea Surnit

  • April 13, 2026

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