目的系统评价宽频声导抗在内耳疾病诊断中的应用价值,分析和综合现有文献证据,探讨其在不同内耳疾病中的诊断效能。方法在PubMed、Web of Science和中国知网期刊数据库中检索建库至2023年的中英文文献,筛选出符合纳排标准的宽频声导抗...目的系统评价宽频声导抗在内耳疾病诊断中的应用价值,分析和综合现有文献证据,探讨其在不同内耳疾病中的诊断效能。方法在PubMed、Web of Science和中国知网期刊数据库中检索建库至2023年的中英文文献,筛选出符合纳排标准的宽频声导抗应用于内耳疾病的研究。采用QUADAS-2工具评估纳入研究的方法学质量,并提取每个研究的基本信息进行定性描述。在评估文献质量之前,咨询听力学专家修改了QUADAS-2工具的条目,并由2名评审员独立评价,第3名评审员进行方法学质量审查。提取的资料包括:作者、发表时间、纳入耳数、年龄、种族、影像学检查及分析参数。结果共纳入17项原始研究,其中7项关于梅尼埃病诊断,4项关于大前庭导水管综合征,5项关于上半规管裂,1项关于内淋巴积水。这些研究主要发表于2019—2023年,反映了该领域的新进展。但是,现有研究样本量普遍较小,分析指标不统一,对同一疾病的结论存在差异。QUADAS-2工具评价结果显示,多数研究在病例选择和待评价诊断试验方面存在偏倚风险,影响了研究质量。结论宽频声导抗作为一种快速无创的听力检测方法受到越来越多的关注,但在内耳疾病诊断方面仍需深入探索。目前的研究进展存在以下不足,样本量不足,结果可信度低;试验方法学设计不严谨,偏倚风险高;同一疾病的结论不一致,需进一步验证。因此,宽频声导抗在内耳疾病诊断中虽有一定指导意义,但亟需提高研究质量,挖掘其可靠的诊断效能。展开更多
Objective:To report vestibular evoked myogenic potentials from different recording sites(neck extensor or masseter muscles) in miniature pigs and rats.Methods:Potentials were recorded using 1000 Hz tone bursts from th...Objective:To report vestibular evoked myogenic potentials from different recording sites(neck extensor or masseter muscles) in miniature pigs and rats.Methods:Potentials were recorded using 1000 Hz tone bursts from the neck extensor muscle or masseter muscle in normal adult Bama miniature pigs and rats anesthetized with 3%pentobarbital sodium and Sumianxin Ⅱ.Results:At 80 dB SPL,the first positive wave(P wave) of VEMPs was recognizable in 58%of rats with a latency of 6.45±0.23 ms and an amplitude of 1.45±0.49 μV when recorded from the neck extensor muscle,and in 50%of rats with a latency of 6.38±0.34 ms and an amplitude of 1.57±0.35 μV when recorded from the masseter muscle.In miniature pigs,at the same stimulus intensity,P wave was recognizable in 58%of the animals with a latency of 7.65±0.64 ms and an amplitude of 1.66±0.34 μV when recorded from the neck extensor muscle,and in 50%of the animals with a latency of 7.65±0.64 ms and an amplitude of 0.31±0.28 μV when recorded from the masseter muscle.Conclusion:VEMP can be induced from both neck extensor and masseter muscles in the miniature pig and rat.For a given species,the site of recording affects P wave induction rate and amplitude but not latency.Consistency and repeatability analysis suggests that the masseter muscle is a better recording site in miniature pigs while the cervical extensor is a better recording site in rats.For a given recording site,both latency and amplitude of the P wave are slightly greater in miniature pigs than in rats.展开更多
文摘目的系统评价宽频声导抗在内耳疾病诊断中的应用价值,分析和综合现有文献证据,探讨其在不同内耳疾病中的诊断效能。方法在PubMed、Web of Science和中国知网期刊数据库中检索建库至2023年的中英文文献,筛选出符合纳排标准的宽频声导抗应用于内耳疾病的研究。采用QUADAS-2工具评估纳入研究的方法学质量,并提取每个研究的基本信息进行定性描述。在评估文献质量之前,咨询听力学专家修改了QUADAS-2工具的条目,并由2名评审员独立评价,第3名评审员进行方法学质量审查。提取的资料包括:作者、发表时间、纳入耳数、年龄、种族、影像学检查及分析参数。结果共纳入17项原始研究,其中7项关于梅尼埃病诊断,4项关于大前庭导水管综合征,5项关于上半规管裂,1项关于内淋巴积水。这些研究主要发表于2019—2023年,反映了该领域的新进展。但是,现有研究样本量普遍较小,分析指标不统一,对同一疾病的结论存在差异。QUADAS-2工具评价结果显示,多数研究在病例选择和待评价诊断试验方面存在偏倚风险,影响了研究质量。结论宽频声导抗作为一种快速无创的听力检测方法受到越来越多的关注,但在内耳疾病诊断方面仍需深入探索。目前的研究进展存在以下不足,样本量不足,结果可信度低;试验方法学设计不严谨,偏倚风险高;同一疾病的结论不一致,需进一步验证。因此,宽频声导抗在内耳疾病诊断中虽有一定指导意义,但亟需提高研究质量,挖掘其可靠的诊断效能。
文摘Waardenburg综合征(Waardenburg syndrome,WS)又被称为听觉-色素综合征,以色素分布异常和耳聋为主要特征,在先天性耳聋病例中占比约2%-5%。随着国内外WS研究数据的不断积累,目前一系列相关致病基因已被陆续报道。内皮素受体B型基因(endothelin receptor type B,EDNRB),对神经嵴发育起到关键调控作用,该基因突变与II型和VI型WS的发生密切相关。本文通过归纳总结国内外多篇关于EDNRB基因突变诱发WS的相关报道,对EDNRB基因在WS发病中的作用予以全面综述,为后续基础研究及临床诊治提供必要理论指导。
基金supported by grants from the National Basic Research Program of China (973 Program)(#2012CB967900)National Natural Science Foundation of China (31300624,81470684)+3 种基金Postdoctoral Science Foundation of China (2015M571818)Six Major Categories of Talent (2014-WSN043,2011-WS-074)Innovation and Entrepreneurship Training Program for College Students in Jiangsu Province(201510313003Z,201510313003,KYLX14-1455)Clinic Medical Special Foundation of Jiangsu Province (b12014032)
文摘Objective:To report vestibular evoked myogenic potentials from different recording sites(neck extensor or masseter muscles) in miniature pigs and rats.Methods:Potentials were recorded using 1000 Hz tone bursts from the neck extensor muscle or masseter muscle in normal adult Bama miniature pigs and rats anesthetized with 3%pentobarbital sodium and Sumianxin Ⅱ.Results:At 80 dB SPL,the first positive wave(P wave) of VEMPs was recognizable in 58%of rats with a latency of 6.45±0.23 ms and an amplitude of 1.45±0.49 μV when recorded from the neck extensor muscle,and in 50%of rats with a latency of 6.38±0.34 ms and an amplitude of 1.57±0.35 μV when recorded from the masseter muscle.In miniature pigs,at the same stimulus intensity,P wave was recognizable in 58%of the animals with a latency of 7.65±0.64 ms and an amplitude of 1.66±0.34 μV when recorded from the neck extensor muscle,and in 50%of the animals with a latency of 7.65±0.64 ms and an amplitude of 0.31±0.28 μV when recorded from the masseter muscle.Conclusion:VEMP can be induced from both neck extensor and masseter muscles in the miniature pig and rat.For a given species,the site of recording affects P wave induction rate and amplitude but not latency.Consistency and repeatability analysis suggests that the masseter muscle is a better recording site in miniature pigs while the cervical extensor is a better recording site in rats.For a given recording site,both latency and amplitude of the P wave are slightly greater in miniature pigs than in rats.
