听力下降

作者对7例反复发作眩晕伴听力下降和耳鸣的患儿进行详细检查发现，其颞骨CT均显示出前庭导水管扩大，说明该征候群也可因先天性耳畸形所致。

Cases with fluctuating hearing loss and vertigo received temporal bone CT scan .

目前研究认为，线粒体12SRRNA基因和tRNA~（Ser（UCN））基因是导致听力下降的基因突变热点位置。

Mitochondrial 12S rRNA and tRNA ~ ( Ser ( UCN )) genes have been shown to be the hot spots for mutations associated with hearing loss .

E、F家系学语后聋，多表现为对称性、进行性听力下降。

E , F pedigrees had late-onset hearing loss , the pure tone thresholds was increased gradually and symmetrically in most of the patients .

方法对116例腭裂患儿与73例正常儿童，进行声阻抗、纯音测听、听性脑反应测试，分析SOM的发生率及听力下降情况。

Methods 116 children with cleftpalate and 73 normal children were investigated by tympanogram , hearing threshold and auditory brain response .

结论：气体冲击致豚鼠耳蜗损伤可致耳蜗螺旋神经节细胞发生凋亡并Caspase-3阳性表达，导致听力下降。

Conclusion Cochlear damage caused by air blast could induce the apoptosis of spiral ganglion cell and increase expression of caspase-3 in guinea pigs .

结果：3例均在腮腺肿胀3～7d内突然听力下降，呈极度感音神经性聋，2例伴前庭障碍症状。

Result : All patients had sudden bilateral total deafness in 3 to 7 days after mumps . 2 had vestibular symptoms .

2例NVC和AMK治疗者出现明显的听力下降和肾脏毒性。

Two cases which were treated with norvancomycin and amikacin had clear poor hearing and kidney toxicity .

音测听对听力下降的反应更加敏感，大量研究事实表明，DPOAE测试比纯而且其幅值在自身具有良好的可重复性及稳定性。

It is evidenced that DPOAE test is more sensitive than pure tone audiometer test and the amount of it is reduplicated and steady .

单耳听力下降组、双耳听力下降组的C1、C2均明显低于对照组（P<0.05）。

C_1 and C_2 of one ear hearing lost group and both ear hearing lost group were all significantly lower than those of the control group ( P < 0.05 ) .

结果纯音听阈正常组的DPOAE检出率及DPOAE振幅明显高于低频听力下降组、高频听力下降组及全频听力下降组（P＜0.01或0.05）；

The relationship of the pure tone audiogram and DPOAE audiogram were tested . Results The detected DPOAE rate and DPOAE amplitudes in normal hearing group were significantly higher than that in other three groups ( P < 0.05 ) .

小鼠耳蜗侧壁α2Na，K-ATPase在听觉及年龄相关性听力下降中的作用

The Auditory Functions of α _2 Na , K-ATPase in the Lateral Wall of Mice Cochlea and Its Relation with Age-related Hearing Loss

结论：本实验提示：采用Nd：YAG激光治疗中耳疾病时，其光纤末端输出功率应控制在4W，时间为2s为宜，否则可能会导致不可逆的听力下降。

Conclusion : In the Nd : YAG laser treatment of middle ear disease , to protect inner hair cell function , the appropriate output power and irradiation duration are 4 W and 2 seconds .

根据纯音测听结果将其分成正常、低频听力下降、高频听力下降及全频听力下降四个组，并结合纯音听力图与DPOAE听力图进行比较。

According to the results of the pure tone audiometry , four groups was divided , including normal hearing group , low frequency hearing loss group , high frequency hearing loss group and whole frequency hearing loss group .

结论：高压氧辅助治疗突发性聋有一定疗效，病程长于14d、伴有眩晕、既往另耳有听力下降病史及极度聋患者的听力恢复相对较差。

Conclusion : The first visit after 14 days , the presence of vertigo , a sensorineural hearing lose history with the other ear and complete deafness may imply poor prognosis . HBO is effective for sudden deafness .

另10例听力下降患者的听皮层代谢活动低于正常人（P0.05），声刺激后听皮层兴奋区域显著大于正常人（P0.001）。

The activities of auditory cortex in 10 patients with haring loss were lower than that in normal subjects ( p0 . 05 ) . The auditory cortex areas activated by acoustic stimuli in 10 patients were much larger than those in normal subjects ( p 0 . 001 ) .

结果与TMJ疼痛有相关性的症状包括头痛、背痛、手麻抖、肩颈痛、失眠、目眩、听力下降、眼痛和易疲劳（P<0.05）。

Results The chronic symptoms related to the TMJ pain at the base line were headache , back pain , numbness of hand , neck and shoulder pain , insomnia , dizziness , reduced hearing ability , eye pain and fatigue ( P < 0.05 ) .

术后的平均气-骨导差小于20dB。所有病例术后至少随访1年半，2例病人因为术后听力下降进行了二期手术。

The mean postoperative A-B gap was within 20 dB . All patients were followed-up at least for 1.5 years after operation secondary operation was performed in 2 patients because the hearing declined .

感音神经性耳聋（SensorineuralDeafness，简称SND）指病变位于螺旋器的毛细胞、听神经或各级听中枢，对声音的感受与神经冲动的传导发生障碍，所引起的听力下降的症状。

Sensorineural deafness ( Sensorineural Deafness , referred to as SND ) lesions were located in the hair cells of Corti , the auditory nerve or auditory central at all levels , barriers to voice the feelings and the transmission of nerve impulses , caused by hearing loss symptoms .

结果肾虚组与对照组比较，具有以下听力学特征：高频听力下降（P<0.05），SISI试验得分增高（P<0.05，P<0.01），ABR测试ILD增大，波Ⅰ、波Ⅴ潜伏期延长（P<0.05）。

Results Compared with control groups , the Kidney Deficiency patients had a hearing loss in high frequencies , SISI test score was high , ABR wave I , wave V latency and ILD were longer ( P < 0 . 05 , P < 0 . 01 ) .

未成活8耳（5.71%），3耳听力下降。

Membrane was not survived in 8 ears ( 5.71 % ) .

用氧氟沙星滴耳液出现听力下降1例

One patient with hypoacusis caused by using ofloxacin ear drops

主要并发症有听力下降和振动幻视。

Hearing loss and vibration illusion vision are two complications .

有5例（19%）的患者出现听力下降。

Patients ' hearing was decreased ( 19 % ) .

本文还对高频听力下降的机理进行初步探讨。

The mechanism of high frequency hearing loss was discussed .

首诊为听力下降的脑白质病患者影像学及临床特征分析

Analysis of imaging and clinical feature of leukoencephalopathy with hearing loss first complaint

儿童波动性听力下降及眩晕与大前庭导水管综合征

Fluctuate hearing loss with vertigo in childhood and the large vestibular aqueduct syndrome

结果聋哑、听力下降、说话延迟、行走不稳是先天性耳聋的重要临床特征；

Result : Deaf delayed speaking and speech understanding were main clinical feature .

青少年非器质性听力下降临床分析

Clinical analysis on non-organic hearing loss among teenagers

听力下降是后天性原发性胆脂瘤的首诊症状。

Decrease in acouesthesia might be the first diagnosed symptom of acquired primary cholesteatoma ;

儿童分泌性中耳炎相关骨导听力下降的临床分析

Clinical analysis of sensorineural hearing loss associated with otitis media with effusion in children