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Clinical manifestation and diagnosis of bronchiectasis Aleš Rozman University Clinic of Respiratory Diseases and Allergy, GOLNIK, Slovenia Portorož – 9th May 2009
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Bronchiectasis: - refers to a permanent abnormal dilatation of the bronchi and bronchioli, caused by recurrent infections which destruct muscular and elastic components of bronchial walls.
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1. Epidemiology approximately 40 /100.000 (est.) more in women more in elderly population more in societies with pure access to health care
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2. Etiologies infection of the airway + susceptibility Susceptibility: 1.airway obstruction 2.defect in host defence 3.impaired drainage 4.other
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2. Etiologies – airway obstruction Innate: bronchomalacia tracheobronchomegaly bronchial cyst ectopic bronch pulmonary sequestration Yellow nail sy. Acquired foreign body aspiration (children,...) (benign) tumour hilar adenopathy (TBC, sarcoidosis) chronic bronchitis polychondritis mucus impaction (ABPA,...)
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2. Etiologies – defect in host defense Innate: IgG deficiency (agammaglobulinemia, subclass deficiency,...) IgA deficiency chronic granulomatous disease (dysf. NADPH oxidase) Acquired AIDS / HIV malnutrition
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2. Etiologies – impaired drainage / other Impaired drainage: CF Young’s sy. PCD Kartagener’s sy. Other: RA, Sjoegren’s sy alpha – 1 antitrypsin deficiency GIT disorders (UC, Crohn, GERD) infections in childhood (pertussis, measles, bacterial pneumonia, TBC, adenovirus,...) inhalation of toxic fumes and dusts (NO2, lipoid pneumonia, acids,...) Kartagener’s sy.
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3. Clinical findings 1.cough and mucopurulent sputum - months / years 2.dyspnea, wheezing, chest pain 3.recurrent “bronchitis” and frequent antibiotic courses Cough98% Daily sputum78% Rhinosinusitis73% Dyspnea62% Hemoptysis27% Pleurisy20% Crackles75% Wheezing22% Digital clubbing2% *King PT et al. Respir Med 2006; 100: 2183.
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4. Diagnosis The purpose of evaluation: 1.radiographic confirmation 2.potentially treatable causes? 3.functional assessment Evaluation: history / examination laboratory testing radiographic imaging pulmonary function testing other testing
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4. Diagnosis – laboratory testing 1.CBC, differential BC 2.immunoglobulin quantitation (levels of IgG, IgM, IgA) 3.sputum culture (bact. / TBC / fungi)
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4. Diagnosis - CXR dilated airways thickened airway walls irregular periph. opacities (mucus)
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4. Diagnosis – Chest CT dilated bronchi bronchial wall thickening “tree – in – bud” pattern cysts lack of tapering
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Cylindrical bronchiectasis 4. Diagnosis – Chest CT
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Varicose bronchiectasis 4. Diagnosis – Chest CT
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Cystis / saccular bronchiectasis 4. Diagnosis – Chest CT
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Traction bronchiectasis (fibrosis) 4. Diagnosis – Chest CT
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4. Diagnosis - distribution 1.central (perihilar) – ABPA 2.predominant upper lobe – CF, Young sy, post - TBC 3.middle /lower lobe – PCD 4.lower lobe – “idiopathic”
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4. Diagnosis - distribution Post – TBC bronchiectasis with aspergilosis
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4. Diagnosis – lung function FEV1– low FVC– normal or low TI– low (obstruction) hiperresponsive ness– often present
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4. Diagnosis – other tests bronchial biopsy (ciliary ultrastructure) bronchoscopy – obstructing lesion? aspergillus precipitins / antibodies serum IgE Ig subclasses alpha 1 – antitrypsin (concentracion / phenotype) RF....
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5. Summary 1.clinical findings (cough & sputum) 2.radiographic confirmation 3.identification of treatable causes 4.functional assessment are important for proper treatment plan.
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P.S. – have you known...... that the largest subgroup represent elderly women. The prevalence of urinary incontinence is 47%, compared with 10 – 12% in general population. * Prys-Picard CO, Niven R. Urinary incontinence in patients with bronchiectasis. Eur Respir J 2006; 27: 866 - 7.
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Thank you. University Clinic Golnik, Slovenia
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