Kizilay Ahmet, Ozturan Orhan, Erdem Tamer, Kalcioglu M Tayyar, Miman Murat Cem
Department of Otolaryngology, Inonu University, School of Medicine, Malatya, Turkey.
Auris Nasus Larynx. 2003 Aug;30(3):239-45. doi: 10.1016/s0385-8146(03)00054-3.
Little attention has been paid to the effects of electromagnetic field (EMF) of mobile phones on hearing. The aim of this study is to investigate the effects of chronic exposure to EMF emitting from mobile phones on the inner ear of adult and developing rats using distortion product otoacoustic emissions (DPOAEs).
EMF of mobile phones exposure was scheduled according to a sham-exposure controlled experimental design. Every day seven of 14 adult and four newborn rats were exposed to 1-h mobile phone EMF for 30 days, while the other seven adult rats were assigned to control group. DPOAEs were measured in both groups before and after the chronic exposure to EMF. The newborn rats were tested following similar exposure beginning on the 2nd day after birth.
No measurable EMF associated changes in DPOAEs either in adult or developing rat inner ears were determined (P>0.05).
It was concluded that chronic exposure of EMF, as long as 30 days 1 h per day, emitting from a mobile phone did not cause any hearing deterioration in adult and developing rats, at least at outer and middle ear and cochlear levels.
手机产生的电磁场（EMF）对听力的影响鲜受关注。本研究旨在使用畸变产物耳声发射（DPOAE），探究成年大鼠和发育中大鼠长期暴露于手机发出的电磁场对内耳的影响。
根据假暴露对照实验设计安排手机电磁场暴露。每天将14只成年大鼠中的7只和4只新生大鼠暴露于1小时手机电磁场中，持续30天，而将另外7只成年大鼠分配到对照组。在长期暴露于电磁场之前和之后，对两组进行DPOAE测量。新生大鼠在出生后第2天开始进行类似暴露后接受测试。
在成年大鼠或发育中大鼠内耳中，未确定DPOAE有任何可测量的与电磁场相关的变化（P>0.05）。
得出的结论是，每天暴露1小时、长达30天的手机发出的电磁场长期暴露，至少在中耳、外耳和耳蜗水平上，不会导致成年大鼠和发育中大鼠出现任何听力恶化。
