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Foreign bodies in respiratory tract

Author(s): Hossein Nia AH

Journal: Iranian Journal of Pediatrics
ISSN 2008-2142

Volume: 2;
Issue: 5-6;
Start page: 23;
Date: 1986;
Original page

Foreign bodies may be found in upper respiratory tract including nose, throat and larynx, or lower respiratory tract, which consists of trachea and bronchi. Insertion of foreign bodies into the nose occurs frequently and is to be considered a serious problem. These may be inanimate or animate. Inanimate foreign bodies are numerous. They obstruct nostrils causing purulent and foul-smelling unilateral discharge. Animate foreign bodies consist of leech, found in villages where children drink of stagnant water reservoirs, ascaris, linguatula serrata, caused by eating uncooked liver, and myasis. The signs of foreign body inhaled into the tracheobronchial tree include coughing, choking and wheezing. Clinically three types of bronchial obstruction are encountered with corresponding radiological findings: 1-By-pass valve with no radiologic changes of the lungs, 2- Check valve with occlusive emphysema, and 3- Stop valve with occlusive atelectasis. To remove foreign bodies from tracheobronchial tree endoscopy should always be applied. If endoscopy is not available, heilich maneuver is recommended by American heart association. Many spherical foreign bodies such as small balls and rosary beads, frequently seen in this country, are difficult to remove by endoscopy. Special instruments and appropriate methods have to be developed to clear them out of the bronchi.
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