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目的研究肺泡灌洗术后尘肺患者发音频率变化规律。方法利用二十五音分析仪,检测40例尘肺患者肺泡灌洗术前后肺部“宫、商、角、徵、羽”的发音。结果 40例尘肺患者术后商音区发音(构成比17.03%)低于术前(构成比为24.00%),差异有统计学意义(P<0.05);术后Ⅰ期尘肺患者的发音频率在商音区(构成比为18.75%)高于Ⅱ期尘肺患者(构成比为15.00%),差异有统计学意义(P<0.05);低年龄组尘肺患者在角音区(构成比24.38%)高于高年龄组(20.94%);高年龄组在羽音区(构成比25.16%)高于低年龄组(22.92%),差异有统计学意义(P<0.05)。结论肺泡灌洗术后尘肺患者发音频率在商音区减少,术后Ⅰ期尘肺患者发音频率商音区构成高于Ⅱ期尘肺患者。
Objective To study the changes of phonological frequency in patients with pneumoconiosis after alveolar lavage. Methods Twenty-five sound analyzer was used to detect the sound of lung, palace, business, horns, signs and feathers before and after alveolar lavage in 40 patients with pneumoconiosis. Results The frequency of postoperative PA in 40 cases of pneumoconiosis was 17.03%, lower than preoperative (the ratio was 24.00%), the difference was statistically significant (P <0.05) (P <0.05). In the lower age group, the pneumoconiosis patients (in the ratio of 24.38%) were higher than those in the patients with stage Ⅱ pneumoconiosis (the ratio was 18.75% (20.94%) in the upper age group, higher in the feathery region (25.16%) than the lower age group (22.92%), the difference was statistically significant (P <0.05). Conclusions The frequency of phonation in patients with pneumoconiosis after pneumoconiosis is reduced in the Shangyin area, and the frequency of commercial areas in patients with stage Ⅰ pneumoconiosis is higher than that in patients with stage Ⅱ pneumoconiosis.