Tuesday, March 11, 2008
Lung bullae
Bullous lung outlined the general secondary to the small bronchial inflammatory disease, such as pneumonia, emphysema and tuberculosis, The most common clinical coexist with emphysema. Pathology and pathogenesis of pulmonary bullous secondary to pneumonia or pulmonary abscess were more common in infants, the single also have its effect. Because of the inflammatory lesions, small bronchial mucosal edema, resulting in the lumen of obstruction, have a valve, alveolar air and can be difficult to discharge, increased pressure within the pulmonary alveolar septal by gradually increased pressure inside the bubble burst and, is formed with a huge balloon cavity, clinically known as lung bullae. Secondary to tuberculosis were mostly single hair, no significant emphysema also exist. Secondary to pulmonary emphysema, often multiple, inter bullosa, accompanied most small blister. Clinical manifestations of lung bullae such as single and little tension, its symptoms may not be significant. But if the same time has extensive emphysema or multiple large bubbles, we would often cough, chest tightness, shortness of breath and other symptoms. Bullous lung huge, high tension within the bubble, many different degrees of difficulty in breathing, some patients lost labor, even action is restricted. With serious pulmonary bullous emphysema, it can induce pulmonary heart disease, or aggravated pulmonary heart disease development. In with spontaneous pneumothorax, then a sudden chest pain, dyspnea, in a serious tension pneumothorax cases, corresponding increase dyspnea, cyanosis may arise. Inspection mainly depend on X-ray examination, but could not ignore history, symptoms and signs. X-ray examination revealed pulmonary excessive transmission, see a huge cavity thin, occupants of a lung or a lobe, or even the whole side of the chest, with no markings or only some of the hilum of video cords. For more limited treatment of lung bullae, patients without obvious symptoms, there is no need to hurry to consider surgical treatment, follow-up observation, Some patients may be due to the elimination of small airway obstruction, pulmonary bullous may also disappear. Pediatric pneumonia arising from the lung bullae, the cure pneumonia after more may disappear. Such pulmonary bullous generally no need surgical treatment. Bullous lung than exist for a long time, which obviously affected the respiratory function, should be surgical treatment. Surgical treatment of lung bullae principle is not only to relieve the pressure of big bubble, but also to preserve as much as possible of functional lung tissue, an appetite for lung resection. Commonly used surgical methods are as follows : (a) Bullous resection : If no other lung diseases, should be used only bleb resection. Simultaneous existence of a small blister can be its base to be used silk thread or suture ligation. (2) lobectomy : If bullous lung lobe where the organization has significantly shrink or inflammatory lesions,'s unhelpful to stay, should make lobectomy.
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