Aerodynamic Studies of Laryngectomees after the Amatsu Tracheoesophageal Shunt Operation
Aerodynamic Studies of Laryngectomees after the Amatsu Tracheoesophageal Shunt Operation
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Amatsu 气管食管分流手术后喉切除者的空气动力学研究
DOI：
10.1177/000348948609500215
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发表时间：
1986
期刊：
影响因子：
--
通讯作者：
M. Amatsu
中科院分区：
文献类型：
--
作者：
M. Kinishi;M. Amatsu
对10例气管-食道分流的扬声器进行了空气动力学研究。测量气管压力、气流速度、声音强度和基频。根据数据计算出呼吸道阻力、肺功率、声功率和发声效率。结果表明，随着气管压力的增加，声强和风量有增大的趋势，而基频几乎不随气管压力的增大而变化。气管食道扬声器的气道阻力为10 0~12 0 0dyne S/cm~5，气管压力为12~80 cm水，发声效率为0.3×10−4~6.5×10−4。这些结果表明，与正常喉相比，发声效率大致相同，而气道阻力和气管压力明显高于正常喉。
Ten speakers with tracheoesophageal shunts were subjected to aerodynamic investigation. Measurements were made of tracheal pressure, airflow rate, and intensity and fundamental frequency of voice. Airway resistance, pulmonary power, acoustic power, and efficiency of voice were calculated from the data. It was found that intensity and airflow rate showed a tendency to augment with increased tracheal pressure, while fundamental frequency remained almost unchanged as tracheal pressure increased. Airway resistance of the tracheoesophageal speakers ranged from about 100 to 1,200 dyne s/cm5 and tracheal pressure ranged from 12 to 80 cm of water, while efficiency of voice ranged from 0.3 × 10−4 to 6.5 × 10−4. These results revealed that compared to the normal larynx, efficiency of voice was approximately the same, although airway resistance and tracheal pressure were substantially greater.