ĐẶC ĐIỂM LÂM SÀNG VÀ CHỨC NĂNG NGHE CỦA TRẺ MẮC BỆNH KHIẾM THÍNH BẨM SINH TẠI VIỆT NAM

Abstract

Objective: To describe the clinical characteristics and auditory function of children with congenital hearing loss in Vietnam. Study subject and method: A cross-sectional descriptive study was conducted on 300 children with congenital hearing loss at 7 Social Protection and Welfare Centers; Special Schools for Children with Disabilities across three regions of Vietnam. Results: The average age of congenital hearing loss children was 11.3±2.4 years old with symptoms: 68.7% inability to speak; 48.7% poor learning; 42.7% lack of concentration; 5.7% narrow ear canal; 3.7% otitis media and 2.3% absence of auricle. Almost children had no otoacoustic emission (99.7% in the right ear and 99.3% in the left ear), no V wave (98.3% in both the right and left ears), no stapedius reflex (98.7% in the right ear and 96.0% in the left ear). The proportion of level 4 hearing loss was 66.7% in the right ear and 69.0% in the left ear; level 3 hearing loss was 19.3% in the right ear and 19.7% in the left ear. The proportion of sensorineural hearing loss was 96.3% and mixed hearing loss was 3.7%. Conclusion: The congenital hearing loss children often have inability to speak, poor learning, have severe hearing loss level, and mostly was sensorineural hearing loss.