• Z Dangor, M Birkhead, C Verwey, D Gray, A Vanker, L Githinji, A Goga, R Masekela, and M Zampoli.
• Vaccines and Infectious Diseases Analytics Research Unit, University of the Witwatersrand, Johannesburg, South Africa; Department of Paediatrics and Child Health, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa.
• S. Afr. Med. J. 2024 Aug 2; 114 (8): e2269e2269.

AbstractPrimary ciliary dyskinesia (PCD) is an inherited ciliopathy that results in impaired mucous clearance and affects primarily the respiratory tract, causing upper airway disease, bronchial inflammation and bronchiectasis. The prevalence of PCD in low- and middle-income settings, including South Africa (SA), is unknown, largely owing to challenges with diagnosis, and identifying children or adults with PCD is challenging in a setting with a high prevalence of other infectious diseases, including lower respiratory tract infections and tuberculosis. No single test is diagnostic of PCD, and while some tests are costly, others are labour intensive and require highly specialised laboratory expertise. In the SA setting, awareness and opportunities for the diagnosis of PCD need to be created. In this commentary, we provide a pragmatic approach to identifying which children and adults require further investigations for PCD using a range of diagnostic tests or tools that are available. Furthermore, we recommend that designated centres of expertise for PCD diagnosis are created in SA. This would be an important step towards improving accessibility of diagnostic tests and developing local expertise to improving PCD diagnosis, especially in early childhood, to prevent long-term irreversible respiratory sequelae.

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