[Primary ciliary dyskinesia (Pcd) in Austria]

Irena Lesic1, Elisabeth Maurer, Marie-Pierre F Strippoli

  • 1Medizinische Universität Wien, Universitätsklinik für Kinder- und Jugendheilkunde, Wien, Austria.

Insights

Diagnosis and treatment of Primary Ciliary Dyskinesia (PCD) in Austrian children are inconsistent. Further research is needed to understand disease progression and optimize care for pediatric PCD patients.

Area of Science:

  • Pediatric Pulmonology
  • Rare Genetic Diseases
  • Respiratory Medicine

Background:

  • Primary Ciliary Dyskinesia (PCD) is a rare, inherited disorder affecting cilia, leading to recurrent respiratory infections.
  • Symptoms include chronic sinusitis, pneumonia, bronchitis, and bronchiectasis, with some patients exhibiting situs inversus.
  • Chronic rhinitis is a common early symptom in infants and newborns.

Purpose of the Study:

  • To determine the prevalence of pediatric Primary Ciliary Dyskinesia (PCD) in Austria.
  • To investigate the diagnostic and therapeutic approaches employed in Austrian clinical centers for PCD.
  • To characterize the clinical symptoms observed in children diagnosed with PCD.

Main Methods:

  • A questionnaire survey was distributed to all Austrian pediatric respiratory units as part of the European Respiratory Society (ERS) task force on PCD.
  • Data on patient numbers, diagnostic methods, and treatments were collected.
  • Clinical data from 13 PCD patients at Vienna Children's University Hospital were analyzed for symptom description.

Main Results:

  • 48 pediatric PCD patients were identified across 13 Austrian clinics, with a prevalence of 1:48,000 for ages 0-19.
  • The median age at diagnosis was 4.8 years, notably lower in patients with situs inversus.
  • Diagnosis commonly involved screening tests like the saccharine test and confirmation via electron microscopy, though practices varied significantly.
  • Treatment for exacerbations was consistent, but other therapies and diagnostic tests showed considerable inconsistency among hospitals.
  • Common symptoms included abundant respiratory secretions, recurrent infections, bronchiectasis, and bronchitis.

Conclusions:

  • Significant heterogeneity exists in the diagnosis and treatment of Primary Ciliary Dyskinesia (PCD) across Austria.
  • There is a need for prospective studies to better understand the disease's natural course.
  • Further research is required to evaluate the efficacy and safety of various treatment strategies for pediatric PCD.
Abstract

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