Dai Yanhong, She Wandong, Lu Ling, Chen Jie, Wang Junguo, Ma Xiaofeng, Jiang Ping, Yang Ye
Department of Otolaryngology-Head and Neck Surgery, the Affiliated Drum Tower Hospital, Medical School of Nanjing University, Nanjing, 210008, China.
Lin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za Zhi. 2010 Nov;24(22):1023-6.
To study the bone conductive hearing loss in adults of otitis media with effusion (OME).
Fifty adults of OME treated in our hospital, from Mar. 2009 to Feb. 2010, were enrolled for analyzing bone conduction hearing loss (BCHL) before auripuncture and after auripuncture, the difference between which were compared in 51 ears. BCT of pre auripuncture 24 subjects, BCT of post-auripuncture 22 subjects, and BCT recovered from OME 9 subjects compared with the contralateral ear respectively. High and extend high frequency (8, 10, 12, 16 kHz) air conduction threshold (ACT) after recover from OME was compared to the normal contralateral ear in 4 adults.
BCT improved significantly after auripuncture at the frequencies (0.5-4.0 kHz), and the improvements in 4.0 kHz are more than that in 0.5 kHz significantly (P<0.05). In the unilateral OME subjects, BCT, of post auripuncture and recovered from OME, nearly recovered to the same level as the contralateral ear in most cases. While high and extend-high frequency (8, 10, 12, 16 kHz) ACT elevated in 3 of 4 patients recovered from OME.
Both effusion in middle ear and injury in inner ear could result in the elevation of BCT. Elevation of BCT at regular frequencies (0.5-4.0 kHz) is frequently associated with the effusion in middle ear, while these frequencies were insensitive in the early inner ear injury. The high and extend high frequency ACT elevation may be sensitive for the early sensorineural hearing loss. As the disease prolonged, sensorineural hearing loss of the lower frequencies (0.5-4.0 kHz) could be detected of OME patient.
研究成人分泌性中耳炎（OME）的骨导听力损失情况。
选取2009年3月至2010年2月在我院接受治疗的50例成人OME患者，对其51只耳朵穿刺前和穿刺后的骨导听力损失（BCHL）进行分析，并比较两者差异。分别对24例穿刺前、22例穿刺后及9例OME恢复后的患者与对侧耳进行骨导阈值（BCT）比较。对4例成人OME恢复后的高频及超高频（8、10、12、16kHz）气导阈值（ACT）与对侧正常耳进行比较。
穿刺后在频率（0.5 - 4.0kHz）处BCT显著改善，且4.0kHz处的改善明显大于0.5kHz处（P<0.05）。在单侧OME患者中，穿刺后及OME恢复后的BCT在大多数情况下几乎恢复到与对侧耳相同水平。而在4例OME恢复的患者中，有3例高频及超高频（8、10、12、16kHz）ACT升高。
中耳积液和内耳损伤均可导致BCT升高。常规频率（0.5 - 4.0kHz）处BCT升高常与中耳积液有关，而这些频率对内耳早期损伤不敏感。高频及超高频ACT升高可能对早期感音神经性听力损失敏感。随着疾病的迁延，OME患者可出现低频（0.5 - 4.0kHz）感音神经性听力损失。
