|Year : 2014 | Volume
| Issue : 1 | Page : 175-177
A rare case of Kartagener's syndrome
Sudipta Pandit, Sabyasachi Choudhury, Anirban Das, Sumitra Basuthakur, Sibes Kumar Das
Department of Chest Medicine, Medical College, Kolkata, West Bengal, India
|Date of Web Publication||18-Feb-2014|
239, R.N.Chakraborty Road, Subhasgram, Kolkata 700 147, West Bengal
Source of Support: None, Conflict of Interest: None
| Abstract|| |
A young boy presented with cough and intermittent breathlessness for 3 months. He used to suffer from frequent cough and cold since childhood. Clinical examination revealed bilateral coarse basal crepitations and rhonchi. His apex beat was on right 5 th intercostal space in mid-clavicular line. Investigation revealed situs inversus, bi-lateral bronchiectasis, and chronic sinusitis. His semen analysis revealed the complete absence of sperm. The Saccharin test revealed impaired nasal ciliary movement. Considering all the finding, he was diagnosed as a case of Kartagener's syndrome. We are reporting this case because of its rarity and rare presence of aspermia in Kartagener's syndrome.
Keywords: Aspermia, bronchiectasis, dextrocardia, Kartagener′s syndrome, sinusitis
|How to cite this article:|
Pandit S, Choudhury S, Das A, Basuthakur S, Das SK. A rare case of Kartagener's syndrome. J Nat Sc Biol Med 2014;5:175-7
| Introduction|| |
Kartagener's syndrome (KS) is an important as well as rare subgroup of primary ciliary dyskinesia (PCD). In KS, defective ciliary movement results in sinusitis, bronchiectasis, and dextrocardia. During the embryonic stage, organ position is determined by uniform ciliary beating but in KS, due to ciliary dysmotility heart along with the other organs fail to move on to the left side, resulting in dextrocardia and situs inversus. These patients usually present with repeated lower respiratory infection in childhood leading to bronchiectasis and infertility in adulthood. Utmost care is needed during surgery in KS. Here, we are reporting a case of KS, who presented to us with cough and breathlessness.
| Case Report|| |
A 16-year-old boy presented with 3 months dry cough with intermittent breathlessness. He had no fever or chest pain or hemoptysis. Cough and breathlessness were not associated with any postural or diurnal variation. He used to suffer from frequent cough and cold since childhood. No family history of asthma or atopy was present. Clinical examination revealed normal physical development with mild pallor and digital clubbing. His apex beat was palpable on the right 5 th intercostal space in mid-clavicular line on palpation otherwise inspection and percussion findings were normal. Chest auscultation revealed bi-lateral polyphonic rhonchi and basal coarse crepitations with clearly audible heart sounds on the right side. Cardio-vascular examination revealed right-sided 1 st heart sound without any murmur. Other system examinations were normal.
Chest X-ray revealed dextrocardia with normal lung field [Figure 1]. Sputum smear examination for acid fast bacillus was negative and aerobic culture showed growth of Staphylococcus aureus. A high-resolution computerized tomography (HRCT) scan of thorax revealed bronchiectasis in lingul [Figure 2]. X-ray of paranasal sinuses revealed bi-lateral maxillary sinusitis with the absence of both frontal sinuses [Figure 3]. Ultrasonography of the abdomen revealed complete situs inversus. Observing the presence of bronchiectasis, sinusitis, and dextrocardia, his semen analysis was done and it revealed complete aspermia with normal seminal fluid content. Fine needle aspiration cytology (FNAC) of the both testes revealed the presence of normal mature sperm, which indicated the inability of the sperm to be transported to the seminal fluid. The Saccharin test revealed delayed movement (35 minutes) of the particle toward oropharynx, which was indicative of impaired nasal ciliary movement. Echocardiography showed dextrocardia with normal atrioventricular concordance without any structural abnormality. Routine blood count was within normal range. The pulmonary function test was of mixed pattern with significant bronchodilator reversibility.
|Figure 3: X-ray of paranasal sinuses showing bilateral maxillary sinusitis with the absence of both frontal sinuses|
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He improved significantly after treatment with intravenous 1.2 g co-amoxyclav three times daily, oral 600 mg linezolid twice daily along with nebulized salbutamol and budesonide for 2 weeks.
| Discussion|| |
PCD also known as immotile cilia syndrome is a very rare disorder, found 1 in 26,000-40,000 live births. But probably this is an underestimation because of misdiagnosis.  KS and Young's syndrome are the two important variants of PCD.  The prevalence of KS is around 1 in 60,000 populations,  more common among people with consanguineous marriages. Diagnostic triad of KS is bronchiectasis, chronic sinusitis, and situs inversus. Siewert first described the above combination in 1904 and later Manes Kartagener identified this clinical triad as a distinct congenital syndrome in 1933.  It is also known as Afzelius' syndrome, Kartagener's triad, Siewert's syndrome, dextrocardia-bronchiectasis-sinusitis syndrome. It is inherited via an autosomal recessive pattern with incomplete penetrance.  All the defects develop due to defective ciliary movement. Among the many ciliary ultrastructural defects, the absence of one or both rows of dynein arms and the absence of spoke heads or central sheath are commonly seen in KS.  These dynein arms are ATPase radial projections, two of which normally arise from each of nine pairs of microtubules that run longitudinally and which are arranged circumferentially around the cilia. Ciliary bending occurs when outer microtubules slide over the inner microtubules in a coordinated fashion. Here, the energy is supplied by the dynein arms. This microtubular shortening initiates bending motion because the outer pairs of microtubules are tethered to each other and to the central sheath. Because of the same ultrastructural plane of symmetry, all cilia work in a coordinated fashion to propel the mucus blanket in a cephalic direction. Such coordinated sliding and bending cannot occur either in the absence of dynein arms or radial spokes,  or in the presence of spatial transposition of microtubules  or in the presence of random ciliary orientation in which the cilia are anchored in disorganized fashion at the cell surface.  Because of the impaired muco-ciliary clearance, a patient frequently suffers from repeated cough and cold since childhood leading to chronic sinusitis. Recurrent lower respiratory tract infection leads to bronchiectasis. An adult person commonly seeks medical help because of infertility. A patient may have dextrocardia because of disorganized ciliary beating, which results in random rotation of the primitive organ precursors to either left or right. For this reason, dextrocardia is not found in all cases of KS. Situs inversus, nasal polyps, rhinitis, corneal abnormalities, and conductive deafness are the other abnormalities found in KS.  However, in our case, this adolescent boy came to us because of his recurrent chest infection and breathlessness, which was due to bronchiectasis.
Dextrocardia, hyperinflation of lungs, bronchial wall thickening, peribronchial infiltrates are found in chest X-ray though bronchiectasis and paranasal sinuses are better visualized by a CT scan.  Semen analysis of postpubertal males may reveal either abnormal sperm motility or aspermia. The Saccharin test is also used for diagnosis. A 0.5 mm saccharin particle is placed near inferior turbinate and its sweet test is felt in mouth within 30-60 minutes. Measuring exhaled nasal nitric oxide is a good screening test for immotile-cilia syndrome with a good negative predictive value.  Pulmonary function tests usually reveal an obstructive pattern in spirometry with a variable bronchodilator response. Static lung volumes may show hyperinflation. Gold-standard investigation is electron microscopic examination of cilia. Brush cytology from tracheal or bronchial mucus membrane provides the best specimen but cilia of the nasal epithelium are easy to collect. Sperm tail is the alternative good source of specimen. Video or electron microscopy of cilia for ciliary movement, beat frequency, co-ordination, and amplitude is commonly examined. In future, genetic testing will be the principal means of establishing the diagnosis. 
Haemophilus influenza, Staphylococcus aureus, and Pseudomonas species commonly colonize the bronchial tree of PCD patients. Antibiotics, intravenous or oral, intermittent or continuous, are used to treat upper and lower respiratory tract infections. In children, long-term low dose prophylactic antibiotics are sometimes necessary. Patients are also treated with inhaled bronchodilators inhaled corticosteroids, mucolytics, and chest physiotherapy. Influenza and pneumococcal vaccination should be routinely given.
| Conclusion|| |
Kartagener's syndrome will always be kept in mind in young patients with bronchiectasis and when Kartagener's syndrome is diagnosed, always look for the rare presence of aspermia.
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[Figure 1], [Figure 2], [Figure 3]