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  • 1Rhinology-Olfactory Unit, Department of Otorhinolaryngology - Head and Neck Surgery, Geneva University Hospitals, Geneva, Switzerland; The Inner Ear and Olfaction Lab, Department of Pathology and Immunology, Faculty of Medicine, University of Geneva, Geneva, Switzerland.

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科学领域:

  • 神经成像是一种神经成像.
  • 嗅觉功能障碍 嗅觉功能障碍
  • 创伤性脑损伤是一种创伤性脑损伤.

背景情况:

  • 创伤后嗅觉功能障碍 (PTOD) 在头部受伤后很常见.
  • 在PTOD中MRI的诊断和预后价值仍然不清楚.
  • 目前的理解缺乏对神经退行程度的分类和MRI对嗅觉恢复的预测能力.

研究的目的:

  • 使用MRI对PTOD患者的神经退行症的程度进行分类.
  • 为了将MRI发现与化学感官功能障碍 (嗅觉,味觉,三角体) 相关联.
  • 确定MRI是否可以预测PTOD的嗅觉改善.

主要方法:

  • 对56名PTOD患者进行了回顾性队列研究.
  • 患者接受了嗅觉,味觉和三胞胎功能以及MRI的心理物理测试.
  • 放射科医生评估了40个大脑区域的病变;对46名患者的随访数据可用.

主要成果:

  • 确定了四种不同的脑损伤模式,与阿诺斯米亚,低血压和诺莫斯米亚有关.
  • 两个群体显示了100%的特异性和阳性预测价值的 anosmia.
  • 轻微的病变预测了72.7%的嗅觉改善机会,明显高于较大的病变 (21.7-37.5%).

结论:

  • 通过MRI进行大脑损伤分析有助于在PTOD中证实气味测试结果.
  • 磁力共振成像结果可以预测主观和可测量的嗅觉改善.
  • 这项研究确定了MRI在治疗创伤后嗅觉丧失方面的预后价值.