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Updated: Oct 28, 2025

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Primary Ciliary Dyskinesia.

Amelia Shoemark1,2, Katharine Harman3

  • 1Scottish Centre for Respiratory Research, Division of Molecular and Clinical Medicine, University of Dundee, Dundee DD1 9SY, United Kingdom.

Seminars in Respiratory and Critical Care Medicine
|July 14, 2021
PubMed
Summary
This summary is machine-generated.

Primary ciliary dyskinesia (PCD) is a genetic disorder affecting cilia, leading to chronic respiratory issues. Early diagnosis and multidisciplinary care are crucial for managing this rare condition.

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Area of Science:

  • Genetics and Respiratory Medicine
  • Rare Diseases
  • Ciliary Biology

Background:

  • Primary ciliary dyskinesia (PCD) is an inherited disorder causing bronchiectasis due to impaired mucociliary clearance.
  • Prevalence in bronchiectasis patients ranges from 1-13% in adults and up to 26% in children.
  • PCD presents with heterogeneous symptoms, including chronic cough, rhinosinusitis, otitis media, and potential situs inversus.

Purpose of the Study:

  • To review the prevalence, clinical features, diagnostic pathways, and management strategies for Primary Ciliary Dyskinesia (PCD).
  • To highlight recent advancements in the understanding and treatment of PCD.
  • To emphasize the importance of early diagnosis and multidisciplinary care for PCD patients.

Main Methods:

  • Diagnostic approach involves a multitest pathway: nasal nitric oxide measurement, nasal epithelial sampling for ciliary function/structure assessment, and genotyping.
  • Confirmation of PCD diagnosis relies on identifying characteristic ultrastructural defects or pathogenic mutations in over 45 known PCD genes.
  • Review of current management strategies focusing on physiotherapy and antibiotic treatment for infections.

Main Results:

  • A recent international randomized controlled trial demonstrated the efficacy of azithromycin in reducing exacerbations in PCD patients.
  • Ongoing research is paving the way for evidence-based, PCD-specific management guidelines and therapies.
  • The article synthesizes current knowledge on PCD prevalence, clinical presentation, diagnosis, and management.

Conclusions:

  • Early identification and diagnosis of PCD are vital for initiating appropriate multidisciplinary care and genetic counseling.
  • Management focuses on enhancing mucociliary clearance and treating infections, with emerging evidence for pharmacological interventions.
  • Future developments are expected in evidence-based guidelines and targeted therapies for Primary Ciliary Dyskinesia.