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1 临床资料 本组男性9例,女性5例,年龄20～54岁。临床表现有低热、咳嗽,胸闷、气短、患侧下胸痛。胸穿抽液,12例为渗出液,2例为漏出液。X线检查均见横膈抬高征象,右侧7例,左侧5例,双侧2例;皆为流动型。1例左侧患者胸透时见心脏传导性搏动。 2 发病机制 尚未完全清楚。与下列因素有关:(1)重力作用。(2)肺组织的弹性。以肺根为中心,较均匀地向周围逐渐增强,与胸腔负压保持平衡;当积液破坏此平衡时,下叶回缩的趋势要显著得多,加上重力作用使液体集于肺
1 Clinical data The group of 9 males and 5 females, aged 20 to 54 years. Clinical manifestations of fever, cough, chest tightness, shortness of breath, ipsilateral chest pain. Breast pumping fluid, 12 cases of exudate, 2 cases of leakage. X-ray examination showed signs of diaphragmatic elevation, right in 7 cases, left in 5 cases, bilateral in 2 cases; all flow type. One case of left chest thoracic see cardiac conduction beats. 2 pathogenesis is not yet fully understood. And the following factors: (1) the role of gravity. (2) the elasticity of lung tissue. The lung root as the center, gradually more evenly around the chest and the negative pressure to maintain balance; when the effusion to destroy the balance, the tendency of the lower lobe retraction is much more, together with gravity to make the fluid in the lung