Methods Patients receiving the Nucleus multichannel cochlear implant in our department, totally 69 cases, including 52 cases with Nucleus straight electrode, 11 cases with Nucleus curving electrode and 5 cases with Nucleus 22 - channel, were routinely evaluated postoperatively with the cochlear view.

Dynamic changes of c-fos expression in guinea pig cochlea after noise exposure;

Effect of aldosterone on aquaporin and ionophorous protein expressions in guinea pig cochlea;

Expressions of Bcl-2 and Bax protein in cochlea of diabetic rats;

Interaction of Calcium Channel Blocker and Noise on the Cochlear Functions in Guinea Pigs;

Diagnosis and Observation of Cochlear and Vestibular Meniere’s Disease;

Cochlear implantation in patients with ossified cochleas;

Laser Doppler measurements of cochlear blood flow With the assistance of Perimed Flowmetry;

The influence on cochlear blood flow and inner ear elect rophysiology after placing NaCl osmotic solution in round window of Chinchilla;

The effects of noises at different frequencies on cochlear blood flow in guinea pigs and the role of cervical sympathetic nerve in noise-induced cochlear blood flow were investigated with laser Doppler flowmeter.

Cochlear implantation in patients with otitis media-related diseases;

Cochlear implantation in patients with ossified cochleas;

Evaluation of different electrode insertion techniques in cochlear implantation;