Departamento de Morfologia, UFSM, Brazil.
Braz J Otorhinolaryngol. 2010 Jan-Feb;76(1):91-5. doi: 10.1590/S1808-86942010000100015.
The early identification of hearing impairment allows for an intervention still in the 'critical' and ideal period of hearing and language stimulation. Pediatric ototoxicity is a very controversial topic. There have been variable percentages of ototoxicity cases in children with different aminoglycosides antibiotics. The main pediatric groups whom receive aminoglycosides are newborns with severe infections on the neonatal ICU.
to check the functional aspect of the cochlear external hair cells and treatment regimens used to treat infections during the neonatal period.
Experimental.
we studied 26 albino guinea pigs, through distortion product otoacoustic emissions, before and after the use of gentamicin.
in all the assessments, the external hair cells functional status, studied by means of the distortion product otoacoustic emissions, proved preserved.
In the present study, we did not notice changes in outer hair cell function in the albino guinea pigs treated with gentamicin in the doses of 4 mg/Kg/day and 2.5 mg/Kg/day every 12 hours for 10 and 14 days.
听力障碍的早期识别可以进行干预,仍处于听力和语言刺激的“关键”和理想时期。儿科耳毒性是一个非常有争议的话题。不同氨基糖苷类抗生素的儿童耳毒性病例比例各不相同。主要接受氨基糖苷类药物治疗的儿科群体是新生儿重症监护病房(NICU)中患有严重感染的新生儿。
检查耳蜗外毛细胞的功能方面以及新生儿期感染治疗方案。
实验性。
我们通过畸变产物耳声发射,研究了 26 只白化豚鼠在使用庆大霉素前后的情况。
在所有评估中,通过畸变产物耳声发射研究的外毛细胞功能状态均保持正常。
在本研究中,我们没有注意到用庆大霉素(4mg/kg/天和 2.5mg/kg/天,每 12 小时一次)治疗 10 天和 14 天的白化豚鼠的外毛细胞功能发生变化。