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High-speed Video Microscopy Analysis for First-line Diagnosis of Primary Ciliary Dyskinesia
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High-speed Video Microscopy Analysis for First-line Diagnosis of Primary Ciliary Dyskinesia

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Primary Ciliary Dyskinesia.

Michael R Knowles1, Maimoona Zariwala2, Margaret Leigh3

  • 1Department of Medicine, Marsico Lung Institute/UNC CF Research Center, School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA.

Clinics in Chest Medicine
|August 13, 2016
PubMed
Summary
This summary is machine-generated.

Primary ciliary dyskinesia (PCD) is a genetic disorder affecting motile cilia, causing chronic respiratory issues and laterality defects. Recent diagnostic tools enable precise identification and characterization of its early-onset lung disease.

Keywords:
Genetic testingKartagener syndromeNasal nitric oxidePrimary ciliary dyskinesia

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Area of Science:

  • Genetics
  • Pulmonology
  • Cell Biology

Background:

  • Primary ciliary dyskinesia (PCD) is a rare, inherited disorder impacting motile cilia function.
  • It leads to chronic otosinopulmonary disease and affects organ laterality in approximately 50% of individuals.
  • Determining PCD prevalence has been challenging due to diagnostic complexities.

Purpose of the Study:

  • To summarize the current understanding of primary ciliary dyskinesia (PCD).
  • To highlight recent diagnostic advancements and their impact on defining the PCD phenotype.
  • To emphasize the early onset and progression of lung disease in PCD patients.

Main Methods:

  • Review of recent diagnostic advances in PCD.
  • Analysis of clinical phenotypes associated with PCD.
  • Assessment of early-onset lung disease characteristics in PCD.

Main Results:

  • New diagnostic methods, including nasal nitric oxide measurement and genetic testing, allow for rigorous PCD diagnosis.
  • A robust clinical phenotype for PCD has been established, featuring neonatal respiratory distress, persistent nasal congestion, and early-onset wet cough.
  • Organ laterality defects are a significant feature in about half of PCD cases.
  • Early-onset lung disease is characteristic of PCD, with abnormalities in airflow mechanics and radiographic findings detectable in infancy and early childhood.

Conclusions:

  • Advances in diagnostics have significantly improved the ability to identify and characterize primary ciliary dyskinesia.
  • PCD presents with a distinct clinical phenotype including early and progressive lung disease and potential laterality defects.
  • Understanding the early manifestations of PCD is crucial for timely diagnosis and management.