PDF(Pubmed)
Abstract：
BACKGROUND: South Africa shows a high prevalence of type 2 diabetes with reported association with auditory dysfunction.
OBJECTIVE: To describe the audiological profile of adults with this metabolic condition.
METHODS: Employing a descriptive research design, 35 individuals with type 2 diabetes, selected through purposive sampling, underwent a basic audiological assessment in addition to extended high-frequency (EHF) audiometry, distortion product otoacoustic emissions (DPOAE) testing and neurological auditory brainstem response (ABR) test.
RESULTS: This study revealed a 31.4% prevalence of hearing loss with 81.8% being sensorineural in nature. Poor hearing thresholds were observed at 16 kHz (n = 19; 54.3%), 18 kHz (n = 24; 68.6%) and 20 kHz (n = 30; 85.7%) in the right ear and at 16 kHz (n = 20; 57.1%), 18 kHz (n = 24; 68.6%) and 20 kHz (n = 30; 85.7%) in the left ear. Absent DPOAEs were observed at 6 kHz (n = 20; 51.7%) and 8 kHz (n = 24; 68.6%) in the right ear and at 6 kHz (n = 17; 48.6%) and 8 kHz (n = 29; 82.9%) in the left ear, possibly indicating that type 2 diabetes specifically targets higher frequency hearing. The ABR results revealed a delayed absolute latency of wave III bilaterally (right ear -69%; left ear - 51%), suggesting an impact of this metabolic disease on retro-cochlear pathways.
CONCLUSIONS: Hearing loss should be recognised as a comorbidity accompanying type 2 diabetes, which indicates the need for routine comprehensive audiological assessments to facilitate early detection and intervention.Contribution: The present findings have implications for audiology clinical protocols; diabetes related health policies and patient education.
OBJECTIVE: To describe the audiological profile of adults with this metabolic condition.
METHODS: Employing a descriptive research design, 35 individuals with type 2 diabetes, selected through purposive sampling, underwent a basic audiological assessment in addition to extended high-frequency (EHF) audiometry, distortion product otoacoustic emissions (DPOAE) testing and neurological auditory brainstem response (ABR) test.
RESULTS: This study revealed a 31.4% prevalence of hearing loss with 81.8% being sensorineural in nature. Poor hearing thresholds were observed at 16 kHz (n = 19; 54.3%), 18 kHz (n = 24; 68.6%) and 20 kHz (n = 30; 85.7%) in the right ear and at 16 kHz (n = 20; 57.1%), 18 kHz (n = 24; 68.6%) and 20 kHz (n = 30; 85.7%) in the left ear. Absent DPOAEs were observed at 6 kHz (n = 20; 51.7%) and 8 kHz (n = 24; 68.6%) in the right ear and at 6 kHz (n = 17; 48.6%) and 8 kHz (n = 29; 82.9%) in the left ear, possibly indicating that type 2 diabetes specifically targets higher frequency hearing. The ABR results revealed a delayed absolute latency of wave III bilaterally (right ear -69%; left ear - 51%), suggesting an impact of this metabolic disease on retro-cochlear pathways.
CONCLUSIONS: Hearing loss should be recognised as a comorbidity accompanying type 2 diabetes, which indicates the need for routine comprehensive audiological assessments to facilitate early detection and intervention.Contribution: The present findings have implications for audiology clinical protocols; diabetes related health policies and patient education.
摘要：
背景：南非显示2型糖尿病的高患病率，据报道与听觉功能障碍有关。
目的：描述患有这种代谢状况的成年人的听力学特征。
方法：采用描述性研究设计，35名2型糖尿病患者，通过目的抽样选择，除了扩展高频（EHF）测听外，还进行了基本的听力学评估，失真产物耳声发射（DPOAE）测试和神经听觉脑干反应（ABR）测试。
结果：这项研究显示听力损失的患病率为31.4%，其中81.8%是感音神经性的。在16kHz时观察到不良的听力阈值（n=19；54.3％），18kHz（n=24;68.6％）和20kHz（n=30;85.7％）在右耳和16kHz（n=20;57.1％），左耳18kHz(n=24;68.6%)和20kHz(n=30;85.7%)。右耳在6kHz(n=20;51.7%)和8kHz(n=24;68.6%)时以及左耳在6kHz(n=17;48.6%)和8kHz(n=29;82.9%)时观察到缺失DPOAE,可能表明2型糖尿病特别针对更高频率的听力。ABR结果显示III波两侧的绝对潜伏期延迟（右耳-69％；左耳-51％），提示这种代谢疾病对耳蜗后通路的影响。
结论：听力损失应被视为伴随2型糖尿病的合并症。这表明需要进行常规的全面听力学评估，以促进早期发现和干预。贡献：目前的发现对听力学临床方案有影响；糖尿病相关的健康政策和患者教育。
目的：描述患有这种代谢状况的成年人的听力学特征。
方法：采用描述性研究设计，35名2型糖尿病患者，通过目的抽样选择，除了扩展高频（EHF）测听外，还进行了基本的听力学评估，失真产物耳声发射（DPOAE）测试和神经听觉脑干反应（ABR）测试。
结果：这项研究显示听力损失的患病率为31.4%，其中81.8%是感音神经性的。在16kHz时观察到不良的听力阈值（n=19；54.3％），18kHz（n=24;68.6％）和20kHz（n=30;85.7％）在右耳和16kHz（n=20;57.1％），左耳18kHz(n=24;68.6%)和20kHz(n=30;85.7%)。右耳在6kHz(n=20;51.7%)和8kHz(n=24;68.6%)时以及左耳在6kHz(n=17;48.6%)和8kHz(n=29;82.9%)时观察到缺失DPOAE,可能表明2型糖尿病特别针对更高频率的听力。ABR结果显示III波两侧的绝对潜伏期延迟（右耳-69％；左耳-51％），提示这种代谢疾病对耳蜗后通路的影响。
结论：听力损失应被视为伴随2型糖尿病的合并症。这表明需要进行常规的全面听力学评估，以促进早期发现和干预。贡献：目前的发现对听力学临床方案有影响；糖尿病相关的健康政策和患者教育。
