Disease Usually Arises At Young Age. Men And

Disease usually arises at young age. Men and women are ill equally often. Aetiology and : seldom have a congenital origin. Usually in such cases they are combined - with other developmental anomalies, for example, with a sinusitis, a return arrangement of bodies, a pancreas (a syndrome of Kartagenera); developmental anomalies of vertebras and edges, gullet expansion (a syndrome of Turpina) and a number of other - developmental anomalies. However at the overwhelming majority of patients are the acquired disease developing - often after transferred a pneumonia, a whooping cough, a bronchitis, foreign matters. Development is promoted by following factors: 1) changes properties of a wall of a bronchial tube of the congenital or got character; 2) corking of a gleam of a bronchial tube owing to a - mucous membrane hypostasis, a tumour, a purulent stopper, a - foreign matter; 3) increase of intrabronchial pressure. Depending on prevalence of this or that factor - arise , combined with parts of a lung or without it.