The Long-Term Effects of Modified Electrode Surfaces and Intracochlear Corticosteroids on Postoperative Impedances in Cochlear Implant Patients

Although the differences between control and steroid-treated groups decrease with time, single intraoperative intracochlear steroid deposition was proven to lower postoperative impedances during first 3 to 4 years after implantation probably because of reduction of fibrous tissue growth.