摘要
目的 探讨脑干听觉诱发电位 (BAEP)在诊断突发性耳聋 (突聋 )和判断预后中的价值。方法 选取 5 8例突聋病例 ,共 75例患耳 ,分别在治疗前、后及其后的 5～ 6个月行BAEP检查。结果 客观听力不同程度损失 ,主波分化有 4种情况 :①Ⅰ、Ⅲ、Ⅴ波都能引出 ,各主波峰潜伏期 (PL)、峰间潜伏期 (IPL)在正常范围 ;②Ⅰ、Ⅲ、Ⅴ波都能引出 ,各PL均延长 ,IPL正常 ;③Ⅰ、Ⅲ、Ⅴ波都能引出 ,IPL延长 ;④各主波有不等缺失。并且主波缺失越多 ,客观听力损失数越大。突聋组与正常组对照及治疗后与治疗前对照PL、客观听力损失值有显著性差异 (P <0 0 1) ;治疗后与其后 5～ 6个月对照均无显著性差异 (P >0 0 5 )。中青年组与老年组对比 ,在PL和客观听力损失数治疗前后差值方面有显著性差异 (P <0 0 5或P <0 0 1)。
Objective: To investigate the value of brain stem auditory evoked potentials (BAEP)in diagnosing and estimating the prognosis of the sudden sensorineural hearing loss(SSHL). Methods: 58 cases with SSHL were selected, in all the 75 deaf ears. BAEP was recorded three times: before thetherapy,1 month and 5～6 months after the therapy. Results: Objective hearing loss were at different levels, with the main wave (including waveⅠ,Ⅲ and Ⅴ) having 4 kinds: with each wave peak latencies(PL) and interpeak latencies(IPL) at normal range;with each wave PL prolonged but IPL at normal range; with IPL prolonged; and main wave being absent dissimilarly. The more absent the main wave was, the more the objective hearing lost. The highly significant differences in the main wave PL and objective hearing loss were seen between the SSHL group and the normal group, and the same occurred after and before therapy(P<0 01). All the indexes in BAEP recorded 5～6 months after the therapy were similar to those after therapy(P>0 05). There were significant differences in the main wave PL between the adult group and the elderly group before and after the therapy, and the same occurred in objective hearing loss (P<0 05 or P<0 01). Conclusion: The study suggests that BAEP plays an important role in diagnosing and estimating the prognosis of SSHL.
出处
《泰山医学院学报》
CAS
2001年第3期214-216,共3页
Journal of Taishan Medical College
关键词
突发性耳聋
脑干听觉诱发电位
诊断
预后
sudden sensorineural hearing loss
brain stem auditory evoked potentials
diagnosis
prognosis
