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Study of hearing features of Congenital Malformation of the Middle and Outer Ear (CMMOE).

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Title: Study of hearing features of Congenital Malformation of the Middle and Outer Ear (CMMOE).
Authors: Duan, XiaoHan, Wang, QingSen, Wang, Ting, Sun, BaoChun, Yang, ShiMing, Zou, YiHui
Source: Acta Oto-Laryngologica (Supplement). Nov2023 Supplement, Vol. 143, pS25-S29. 5p.
Subjects: External ear abnormalities, Middle ear abnormalities, Bone conduction, Conductive hearing loss, Research funding, Retrospective studies, Descriptive statistics, Audiometry, Medical records, Acquisition of data, Deafness, Hearing disorders, Hearing levels
Abstract (English): Background: There is no study on the hearing features of congenital malformation of middle and outer ears (CMMOE), including classification, grades, and frequency characteristics, which play a decisive role in the selection of precise hearing solutions for patients. Aims/Objectives: To analyze the hearing features of CMMOE and provide guidance for clinical practice.Material and Methods: 298 cases (351 ears) with CMMOE were retrospectively analyzed for the features of 0.5 ∼ 4KHz pure tone hearing, including the classification, grades and frequency characteristics. Results: We observed conductive deafness in 84.3% (296/351), mixed deafness in 15.7% (55/351), and 0% (0/351) sensorineural deafness. Grades measured by average Air Conduction Thresholds (ACT) of pure tone: Mild deafness (26–40dB HL) 0.6% (2/351), moderate deafness (41–55dB HL) 10.3% (36/351), moderate to severe deafness (56–70dB HL) 46.1%(162/351), severe deafness (71–90dB HL) 39.9%(140/351), extremely severe deafness (> 90 dB HL) 3.1%(11/351). The average ACT of 296 ears conductive deafness was 67 ± 10 dB HL, of which 56-80dB HL accounted for 78.1% (274/351). In 55 ears with mixed deafness, 32 ears (32/55 = 58.2%) increased Bone Conduction Threshold (BCT) at a single frequency, and out of 32 ears, 31ears (31/55 = 56.4%) ≤40dB HL, 25(25/32 = 78.1%) ears at 2KHz. In 55 ears with mixed deafness, 87.3% (48/55) increased BCT at 2KHz, and the average BCT was 35 ± 10dB HL. Conclusions and Significance: CMMOE result mainly in conductive deafness, moderate to severe and severe deafness. In mixed deafness, the BCT increased mainly at a single frequency, 2KHz and ≤40dB HL. These data suggest that bone-conductive hearing devices are a good solution for CMMOE hearing impairment. [ABSTRACT FROM AUTHOR]
Abstract (Chinese): 背景: 尚无关于先天性中外耳畸形(CMMOE)听力特征的研究, 包括分类、等级、频率特性。它们为患者选择精准听力解决方案起决定性作用。 目的: 分析CMMOE的听力特征, 为临床提供指导。 方法: 回顾性分析298例(351只耳)CMMOE的0.5 ∼ 4KHz特征纯音听力, 包括分类、等级和频率特征。 结果: 我们观察到传导性耳聋占 84.3% (296/351), 混合性耳聋占 15.7% (55/351), 感音神经性耳聋为0% (0/351)。 通过平均气导阈值 (ACT) 衡量的等级纯音: 轻度耳聋(26-40dB HL)0.6%(2/351), 中度耳聋(41-55dB HL)10.3%(36/351), 中度至重度耳聋 (56–70dB HL) 46.1%(162/351), 重度耳聋 (71–90dB HL) 39.9%(140/351), 极重度耳聋 (> 90dB HL) 3.1%(11/351)。 296只耳传导性耳聋的平均ACT为67 ± 10dB HL, 其中56-80dB HL占78.1%(274/351)。 在 55 只患有混合性耳聋的耳朵中, 有 32 只耳朵 (32/55 = 58.2%) 在单一频率下骨传导阈值 (BCT) 增加。在 32 只耳朵中, 31只耳(31/55 = 56.4%)≤40dB HL, 25只耳(25/32 = 78.1%)在2KHz下。 在 55 只患有混合性耳聋的耳朵中, 87.3%(48/55)在2KHz时提高了BCT, 平均BCT为35 ± 10dB HL。 结论: CMMOE主要导致传导性耳聋、中重度耳聋和重度耳聋。 在混合性耳聋中, BCT主要在单频2KHz和≤40dB HL时增加。 这些数据表明骨传导助听器是CMMOE听力障碍的良好解决方案。 [ABSTRACT FROM AUTHOR]
Copyright of Acta Oto-Laryngologica (Supplement) is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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Items – Name: Title
  Label: Title
  Group: Ti
  Data: Study of hearing features of Congenital Malformation of the Middle and Outer Ear (CMMOE).
– Name: Author
  Label: Authors
  Group: Au
  Data: <searchLink fieldCode="AR" term="%22Duan%2C+XiaoHan%22">Duan, XiaoHan</searchLink><br /><searchLink fieldCode="AR" term="%22Wang%2C+QingSen%22">Wang, QingSen</searchLink><br /><searchLink fieldCode="AR" term="%22Wang%2C+Ting%22">Wang, Ting</searchLink><br /><searchLink fieldCode="AR" term="%22Sun%2C+BaoChun%22">Sun, BaoChun</searchLink><br /><searchLink fieldCode="AR" term="%22Yang%2C+ShiMing%22">Yang, ShiMing</searchLink><br /><searchLink fieldCode="AR" term="%22Zou%2C+YiHui%22">Zou, YiHui</searchLink>
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  Label: Source
  Group: Src
  Data: <searchLink fieldCode="JN" term="%22Acta+Oto-Laryngologica+%28Supplement%29%22">Acta Oto-Laryngologica (Supplement)</searchLink>. Nov2023 Supplement, Vol. 143, pS25-S29. 5p.
– Name: Subject
  Label: Subjects
  Group: Su
  Data: <searchLink fieldCode="DE" term="%22External+ear+abnormalities%22">External ear abnormalities</searchLink><br /><searchLink fieldCode="DE" term="%22Middle+ear+abnormalities%22">Middle ear abnormalities</searchLink><br /><searchLink fieldCode="DE" term="%22Bone+conduction%22">Bone conduction</searchLink><br /><searchLink fieldCode="DE" term="%22Conductive+hearing+loss%22">Conductive hearing loss</searchLink><br /><searchLink fieldCode="DE" term="%22Research+funding%22">Research funding</searchLink><br /><searchLink fieldCode="DE" term="%22Retrospective+studies%22">Retrospective studies</searchLink><br /><searchLink fieldCode="DE" term="%22Descriptive+statistics%22">Descriptive statistics</searchLink><br /><searchLink fieldCode="DE" term="%22Audiometry%22">Audiometry</searchLink><br /><searchLink fieldCode="DE" term="%22Medical+records%22">Medical records</searchLink><br /><searchLink fieldCode="DE" term="%22Acquisition+of+data%22">Acquisition of data</searchLink><br /><searchLink fieldCode="DE" term="%22Deafness%22">Deafness</searchLink><br /><searchLink fieldCode="DE" term="%22Hearing+disorders%22">Hearing disorders</searchLink><br /><searchLink fieldCode="DE" term="%22Hearing+levels%22">Hearing levels</searchLink>
– Name: Abstract
  Label: Abstract (English)
  Group: Ab
  Data: Background: There is no study on the hearing features of congenital malformation of middle and outer ears (CMMOE), including classification, grades, and frequency characteristics, which play a decisive role in the selection of precise hearing solutions for patients. Aims/Objectives: To analyze the hearing features of CMMOE and provide guidance for clinical practice.Material and Methods: 298 cases (351 ears) with CMMOE were retrospectively analyzed for the features of 0.5 ∼ 4KHz pure tone hearing, including the classification, grades and frequency characteristics. Results: We observed conductive deafness in 84.3% (296/351), mixed deafness in 15.7% (55/351), and 0% (0/351) sensorineural deafness. Grades measured by average Air Conduction Thresholds (ACT) of pure tone: Mild deafness (26–40dB HL) 0.6% (2/351), moderate deafness (41–55dB HL) 10.3% (36/351), moderate to severe deafness (56–70dB HL) 46.1%(162/351), severe deafness (71–90dB HL) 39.9%(140/351), extremely severe deafness (> 90 dB HL) 3.1%(11/351). The average ACT of 296 ears conductive deafness was 67 ± 10 dB HL, of which 56-80dB HL accounted for 78.1% (274/351). In 55 ears with mixed deafness, 32 ears (32/55 = 58.2%) increased Bone Conduction Threshold (BCT) at a single frequency, and out of 32 ears, 31ears (31/55 = 56.4%) ≤40dB HL, 25(25/32 = 78.1%) ears at 2KHz. In 55 ears with mixed deafness, 87.3% (48/55) increased BCT at 2KHz, and the average BCT was 35 ± 10dB HL. Conclusions and Significance: CMMOE result mainly in conductive deafness, moderate to severe and severe deafness. In mixed deafness, the BCT increased mainly at a single frequency, 2KHz and ≤40dB HL. These data suggest that bone-conductive hearing devices are a good solution for CMMOE hearing impairment. [ABSTRACT FROM AUTHOR]
– Name: Abstract
  Label: Abstract (Chinese)
  Group: Ab
  Data: 背景: 尚无关于先天性中外耳畸形(CMMOE)听力特征的研究, 包括分类、等级、频率特性。它们为患者选择精准听力解决方案起决定性作用。 目的: 分析CMMOE的听力特征, 为临床提供指导。 方法: 回顾性分析298例(351只耳)CMMOE的0.5 ∼ 4KHz特征纯音听力, 包括分类、等级和频率特征。 结果: 我们观察到传导性耳聋占 84.3% (296/351), 混合性耳聋占 15.7% (55/351), 感音神经性耳聋为0% (0/351)。 通过平均气导阈值 (ACT) 衡量的等级纯音: 轻度耳聋(26-40dB HL)0.6%(2/351), 中度耳聋(41-55dB HL)10.3%(36/351), 中度至重度耳聋 (56–70dB HL) 46.1%(162/351), 重度耳聋 (71–90dB HL) 39.9%(140/351), 极重度耳聋 (> 90dB HL) 3.1%(11/351)。 296只耳传导性耳聋的平均ACT为67 ± 10dB HL, 其中56-80dB HL占78.1%(274/351)。 在 55 只患有混合性耳聋的耳朵中, 有 32 只耳朵 (32/55 = 58.2%) 在单一频率下骨传导阈值 (BCT) 增加。在 32 只耳朵中, 31只耳(31/55 = 56.4%)≤40dB HL, 25只耳(25/32 = 78.1%)在2KHz下。 在 55 只患有混合性耳聋的耳朵中, 87.3%(48/55)在2KHz时提高了BCT, 平均BCT为35 ± 10dB HL。 结论: CMMOE主要导致传导性耳聋、中重度耳聋和重度耳聋。 在混合性耳聋中, BCT主要在单频2KHz和≤40dB HL时增加。 这些数据表明骨传导助听器是CMMOE听力障碍的良好解决方案。 [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Acta Oto-Laryngologica (Supplement) is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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      – Type: doi
        Value: 10.1080/00016489.2023.2271087
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        Text: English
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      – SubjectFull: External ear abnormalities
        Type: general
      – SubjectFull: Middle ear abnormalities
        Type: general
      – SubjectFull: Bone conduction
        Type: general
      – SubjectFull: Conductive hearing loss
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      – SubjectFull: Research funding
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      – SubjectFull: Retrospective studies
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      – SubjectFull: Acquisition of data
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      – SubjectFull: Deafness
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      – SubjectFull: Hearing disorders
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      – SubjectFull: Hearing levels
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      – TitleFull: Study of hearing features of Congenital Malformation of the Middle and Outer Ear (CMMOE).
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              Text: Nov2023 Supplement
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