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支气管肺灌洗(BAL)是随纤维支气管镜发展起来的新技术。有关BAL回收液成分的研究,对呼吸系疾病的诊断,治疗、予后及发病机理研究都有一定意义。对肺间质病的研究更为重要,与肺活检,尸检比较,BAL可以动态了解疾病的病理生理变化过程,操作简单、不需全麻,痛苦小,所得回收液成分与全肺灌洗基本一致。虽然BAL回收液细胞不能准确地鉴别肺间质各类细胞,但可以反映出各种疾病引起的肺内变化。
Bronchial lavage (BAL) is a new technique developed with bronchofibroscopy. Research on the composition of BAL fluid has certain significance for the diagnosis, treatment, post-emergence and pathogenesis of respiratory diseases. The study of interstitial lung disease is more important. Compared with lung biopsy and autopsy, BAL can dynamically understand the pathophysiological process of the disease. The operation is simple, without general anesthesia and pain is small. The composition of the recovered fluid and the basic lung lavage Consistent. Although BAL fluid cells can not accurately identify all types of lung interstitial cells, but can reflect the various diseases caused by intrapulmonary changes.