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  • Title: Testing ciliary activity in patients with chronic and recurrent infections of the upper airways: experiences in 68 cases.
    Author: Burgersdijk FJ, De Groot JC, Graamans K, Rademakers LH.
    Journal: Laryngoscope; 1986 Sep; 96(9 Pt 1):1029-33. PubMed ID: 3528726.
    Abstract:
    The clinical use of various tests of ciliary activity is uncertain and the purpose of this study is to assess the practical significance of the most current methods. Therefore, biopsy specimens of the nasal mucosa were investigated by means of phase contrast microscopy in 68 patients with chronic and recurrent infections of the upper airways. In 19 cases an absent or extremely weak ciliary activity could be demonstrated. Ultrastructurally, a characteristic pattern of defective dynein arms as observed in primary ciliary dyskinesia, was evident in only 3 out of these 19 patients. Measurements of the mucociliary transport velocity by means of intranasal Tc 99m labeled particles appeared to be unreliable in cases of severe nasal obstruction. In this study, phase contrast microscopy of biopsy material from the nasal respiratory epithelium appeared to have the most advantages: It is a practical and rather simple screening test in the assessment of ciliary activity.
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