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Immotile cilia syndrome — Clinical Guidelines

Overview

Immotile cilia syndrome (ICS) encompasses a spectrum of disorders characterized by ciliary dysfunction leading to impaired mucociliary clearance, often manifesting as chronic respiratory infections, sinusitis, bronchiectasis, and in some cases, situs inversus or polysplenia 1 5 6.

Diagnosis

Clinical Presentation: Chronic sinusitis, otitis, bronchitis, recurrent respiratory infections, bronchiectasis 1 5 6.

Situs Inversus: Present in some cases but not universal 1 2 4.

Ultrastructural Abnormalities: Deficiencies in dynein arms (outer, inner, or both), radial spoke defects, microtubular transposition anomalies observed via electron microscopy 3 4 7 8.

Nasal Mucociliary Transport: Significantly delayed or absent 7 8.

Management

Respiratory Support: Physiotherapy, chest physiotherapy, and regular airway clearance techniques 6.

Antibiotics: For acute exacerbations of respiratory infections 6.

Preventive Measures: Vaccinations against respiratory pathogens, regular monitoring for recurrent infections 5.

Genetic Counseling: For families with autosomal recessive inheritance patterns 4.

Special Populations

Pregnancy: Successful conception and live birth possible via ICSI with testicular sperm in affected males 1.

Pediatrics: Neonatal respiratory distress may occur; early diagnosis crucial for managing recurrent respiratory issues 6.

Comorbidities: Polysplenia and extrahepatic biliary atresia are rare but recognized manifestations 2.

Key Recommendations

Utilize Electron Microscopy for Diagnosis: Confirm ciliary ultrastructural defects to diagnose ICS definitively (Evidence: Moderate 3 4 7 8).

Implement Aggressive Respiratory Care: Focus on airway clearance techniques and physiotherapy to manage chronic respiratory symptoms (Evidence: Moderate 6).

Consider Genetic Counseling: Given the autosomal recessive inheritance pattern, provide genetic counseling to affected families (Evidence: Moderate 4).

References

1 Cayan S, Conaghan J, Schriock ED, Ryan IP, Black LD, Turek PJ. Birth after intracytoplasmic sperm injection with use of testicular sperm from men with Kartagener/immotile cilia syndrome. Fertility and sterility 2001. link01974-4) 2 Gershoni-Baruch R, Gottfried E, Pery M, Sahin A, Etzioni A. Immotile cilia syndrome including polysplenia, situs inversus, and extrahepatic biliary atresia. American journal of medical genetics 1989. link 3 Torikata C. The ciliary necklace--a transmission electron microscopic study using tannic acid-containing fixation. Journal of ultrastructure and molecular structure research 1988. link90011-0) 4 Sturgess JM, Thompson MW, Czegledy-Nagy E, Turner JA. Genetic aspects of immotile cilia syndrome. American journal of medical genetics 1986. link 5 Yarnal JR, Golish JA, Ahmad M, Tomashefski JF. The immotile cilia syndrome: explanation for many a clinical mystery. Postgraduate medicine 1982. link 6 Whitelaw A, Evans A, Corrin B. Immotile cilia syndrome: a new cause of neonatal respiratory distress. Archives of disease in childhood 1981. link 7 Antonelli M, Modesti A, De Angelis M, Marcolini P, Lucarelli N, Crifo S. Immotile cilia syndrome: radial spokes deficiency in a patient with Kartagener's triad. Acta paediatrica Scandinavica 1981. link 8 Rossman CM, Forrest JB, Ruffin RE, Newhouse MT. Immotile cilia syndrome in persons with and without Kartagener's syndrome. The American review of respiratory disease 1980. link 9 Elverland HH. Kartagener's syndrome--a reappraisal. Acta oto-laryngologica. Supplementum 1979. link

Immotile cilia syndrome