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目的:观察缺铁性贫血患者畸变产物耳声发射(DPOAE)的变化。方法:体检人群按血红蛋白及血清铁蛋白检查结果分组,正常对照组30例60耳,缺铁性贫血患者组30例60耳,分别行DPOAE检查,以4 kHz频率点为观察点。结果:缺铁性贫血患者的DPOAE幅值在4 kHz频率点较正常对照组下降,两者差异有统计学意义(P<0.05)。结论:缺铁性贫血患者DPOAE幅值下降,可导致感音神经性聋。
Objective: To observe the changes of distortion product otoacoustic emissions (DPOAE) in patients with iron deficiency anemia. Methods: The subjects were divided into groups according to hemoglobin and serum ferritin test results. 30 normal subjects (60 ears) and 30 patients with iron deficiency anemia (60 ears) were examined by DPOAE and 4 kHz respectively. Results: The magnitude of DPOAE in patients with iron deficiency anemia was lower than that in the control group at the frequency of 4 kHz, the difference was statistically significant (P <0.05). Conclusion: DPOAE amplitude in patients with iron deficiency anemia may lead to sensorineural deafness.