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目的探讨胸部平片胸腔横径和高径的X线测量及其临床意义。方法对158例无心肺异常X线征象及30例肺气肿病人的胸部平片进行胸宽、胸高的测量和统计学分析,使用直线相关和回归的方法,研究正常人群胸宽、胸高、身高、体重的关系。结果测得158例正常人群中男性平均胸宽26.59cm,胸高23.84cm;女性平均胸宽24.8cm,胸高21.6cm。肺气肿组测得男性胸宽>27cm,胸高>26cm;女性胸宽>25cm,胸高>24cm。由身高推导正常人群胸宽、胸高的公式为:男性胸宽=10.9403+0.0951×身高,胸高=-0.6381+0.1462×身高;女性胸宽=11.0605+0.0864×身高,胸高=-8.6428+0.1907×身高。实测胸宽大于推导公式推导出的本人非肺气肿状态时1cm以上或实测胸高大于推导结果3cm以上可提示肺气肿诊断。结论根据推导公式所获得的胸宽和胸高数据,对肺气肿的影像学诊断具有较高的参考价值。
Objective To investigate the X-ray and its clinical significance of transverse and diastolic diameters of chest radiographs. Methods The thoracic width and thoracic height of 158 patients with no cardio-pulmonary abnormalities and 30 patients with emphysema were measured and statistically analyzed. Using the method of linear correlation and regression, the normal chest width, chest height, height , The relationship between weight. Results In 158 normal subjects, the average chest width was 26.59 cm and the height of chest was 23.84 cm. The average chest width was 24.8 cm and the height of chest was 21.6 cm. Emphysema group measured male chest width> 27cm, chest height> 26cm; female chest width> 25cm, chest height> 24cm. The formula for calculating the chest width and height of the chest by height is: chest width = 10.9403 + 0.0951 × height, chest height = -0.6381 + 0.1462 × height; chest width = 11.0605 + 0.0864 × height, chest height = -8.6428 + 0.1907 × height . Measured chest width greater than the derivation of the formula derived I non-emphysema state more than 1cm or measured chest height greater than 3cm derived results can be prompted to diagnose emphysema. Conclusions According to the chest width and the chest height data obtained from the derivation formula, it has a high reference value for the imaging diagnosis of emphysema.