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婴幼儿肺功能检测在呼吸系统疾病的作用和意义 被引量:15

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摘要 目的:了解婴幼儿肺功能检测在临床应用的意义。方法:用美国森迪氏公司2600婴幼儿肺功能仪做4228例婴幼儿肺功能检测。包括用潮气流速环了解大、小气道功能、用开放性氮冲洗法检测功能残气量、呼吸系统顺应性和总气道阻力是用被动流速容量技术测出的。结果:婴幼儿肺功能检测总阳性率为88%,各种呼吸道疾病有不同的肺功能特点,各种指标的阳性率也有不同。毛细支气管炎、喘息性支气管肺炎和婴幼儿哮喘的患儿大部分都有小气道阻力增高,其阳性率分别为58.3%,60%,64%。功能残气量异常为主。而先天性喉喘鸣的喉炎的肺功能检查以大气道功能异常的阳性率是30%左右,远比其他的呼吸道疾病要高:肺不张的患者以小气道功能异常、总气道阻力增高为主和功能残气量下降为主要改变,这与肺不张的病理生理改变十分吻合;此组患者的最大人群为支气管肺炎,则是既有小气道阻力增高改变,又有总气道阻力增高和功能残气量改变,但功能残气量升高、降低的比例相差不大,这和支气管肺炎是以阻塞为主,还是实变为主有相当大的关系。咳嗽变异性哮喘的患儿有25.4%有小气道阻力增高,而功能残气量也有一定的变化。结论:婴幼儿肺功能检测对婴幼儿肺生长发育监测,各种疾病转归、诊断、药物疗效评定等均具有很重要的临床意义。
出处 《实用医学杂志》 CAS 北大核心 2009年第15期2475-2477,共3页 The Journal of Practical Medicine
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