Auditory brainstem response (ABR) threshold and hemorheological index were measured and cochlea microcirculation on several different time point before and after being exposed to blast respectively.
爆震前后于多个时间点测定听觉脑干反应(abr)阈值与血液流变学各指标，并观察耳蜗微循环。
Conclusion: Prophylactic inhalation of negative air ions can increase the cochlear blood flow and promote microcirculation thus protecting the cochlea from acoustic trauma.
结论：预防性吸入空气负离子可增加耳蜗血流量，改善微循环，因而对保护噪声性耳蜗损伤是有益的。
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