技术文库>资源分类>行业论文>医学论文> SR Electronic T1 Mechanical coupling between the hemithoraces between the hemithoraces in humans JF European Respiratory 188bet官网地址Journal JO Eur Respir J FD European Respiratory Society SP 140 OP 145 VO 9 IS 1YR 1996 UL //www.qdcxjkg.com/content/9/1/140.abstract AB单侧气道闭塞允许测量单肺功能。由于结果表明闭塞的肺影响对侧半胸的活动，我们想要验证这个假设。在8名健康受试者中，我们使用计算机断层摄影术测量了3个不同水平以及最大吸气和呼气时肺实质面积和内胸腔的矢状旁径和横径。这些测量是在一个主支气管未被球囊阻塞时进行的，在剩余容量(RV)和总肺活量(TLC)时进行的。右心室单侧闭塞使最大吸气时的同侧直径减小，但吸气时的增大仍是无闭塞时的39-50%。无闭塞情况下，对侧吸气直径的增加减少到增加的64-80%。TLC闭塞使同侧呼气直径的减少减少到无闭塞时的37-57%。对侧呼气减少减少到无闭塞时的56-70%。由于伴随纵隔移位，肺实质几乎没有改变。 In contrast, the contralateral area was 86-97% of that without occlusion. We conclude that the movement of the two hemithoraces are, at least partially, interdependent. The occluded hemithorax prevents full expansion/compression of the nonoccluded contralateral side, whilst its own mobility appears to be increased by the presence of this nonoccluded side. Potential negative effects are outweighed by the physiological benefit of the coupling, as this mechanism could secure ventilation to a chest half without own movement.