人工智能增强的心脏声检测:推进非侵入性心血管诊断
Maria-Alexandra Zolya1, Elena-Laura Popa1, Cosmin Baltag1
1Department of Automatics and Information Technology, Transilvania University of Brasov, 500036 Brasov, Romania.
Sensors (Basel, Switzerland)
|April 28, 2025
概括
一种新的AI模型可以准确地从声音录音中检测到心脏声,从而改善了心血管疾病的早期诊断. 这种非侵入性技术提供了可访问的心脏诊断,特别是在服务不足的地区.
科学领域:
- 心脏病学 心脏病学
- 人工智能的人工智能
- 生物医学工程 生物医学工程
背景情况:
- 心血管疾病 (CVD) 是全球主要的死亡原因,每年有超过1700万人死亡.
- 早期检测心脏声,表明门异常,对于患者的结果至关重要.
- 目前的诊断方法在可访问性,成本和侵入性方面面临限制,特别是在资源有限的环境中.
研究的目的:
- 开发和评估一种新的卷积循环神经网络 (CRNN) 模型,用于非侵入性心脏声分类.
- 评估模型在从音频录音中准确识别心脏声方面的表现.
- 探索人工智能的潜力,以提高心脏诊断和可访问性.
主要方法:
- 利用CRNN模型整合卷积层和循环层来处理心脏声音记录.
- 应用了预处理技术,包括z-score规范化,带通过和数据增强 (高斯噪声,时间转移,音调转移).
- 在心声数据集上训练并验证模型以捕捉空间和时间音频特征.
主要成果:
- 该CRNN模型实现了高诊断性能,准确率为90.5%.
- 该模型在心脏声分类方面表现出很高的精度 (89%) 和回忆 (87%).
- 该研究强调了该模型在分析心脏听力数据方面的稳定性和有效性.
结论:
- 开发的CRNN模型显示了通过非侵入性心脏声检测彻底改变心脏诊断的巨大潜力.
- 这种由人工智能驱动的方法为早期识别心血管疾病提供了可扩展和可访问的解决方案.
- 该技术有望在医疗保健中得到更广泛的应用,特别是在无法获得传统诊断资源的地区.
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