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介绍了用力呼气肺量图高肺容积部分平均通过时间(MTTp-h)的测定方法,并对100例正常人和94例气道阻塞疾病(支气管肺癌、喉癌和慢性支气管炎)患者进行了测定。初步认为MTTp-h对检测大气道和上气道阻塞敏感性较高,可作为协助临床诊断的实验室指标。
The method of determining the mean lung transit time (MTTp-h) of forced expiratory volume was introduced. One hundred normal subjects and 94 patients with airway obstruction (bronchogenic carcinoma, laryngeal carcinoma and chronic bronchitis) The determination. Initially that MTTp-h on the detection of airway and upper airway obstruction is high sensitivity, can be used as laboratory indicators to assist clinical diagnosis.