肺呼吸/ perfusion 断层成像的放射学在肺栓塞诊断中的肺呼吸/ perfusion 断层成像
Yu-Shuang Liu1, Lei Wang2, Hao-Yu Song1
1Department of Nuclear Medicine, Beijing Chaoyang Hospital, Capital Medical University, 8Th Gongtinanlu Rd, Chaoyang District, Beijing, 100020, China.
一个新的机器学习模型,V/P-mics,使用V/P-SPECT成像准确识别肺栓塞. 这种人工智能工具表现出强大的通用性,与初级医生相比,显著减少了诊断时间.
科学领域:
- 放射学 放射学是指放射学
- 医疗成像医学成像
- 人工智能的人工智能
背景情况:
- 肺栓塞 (PE) 是一种严重的疾病,需要及时诊断.
- 肺透气/ perfusion 单光子发射断层扫描 (V/P-SPECT) 是检测PE的关键成像方式.
- 准确有效地解释V/P-SPECT图像对于患者管理至关重要.
研究的目的:
- 开发和验证一种机器学习 (ML) 模型,V/P-mics,用于从V/P-SPECT图像中自动识别肺栓塞 (PE).
- 评估V/P-mics模型的通用性和诊断性能.
- 将V/P-mics的诊断效率与人类专家的诊断效率进行比较.
主要方法:
- 对260名患者的V/P-SPECT数据的回顾性收集.
- 开发和优化35ML模型,并选择表现最佳的模型 (V/P-mics).
- 使用内部 (35名患者) 和外部 (30名患者) 数据集验证V/P-mics,比较核医师的诊断准确度 (AUC) 和效率.
主要成果:
- 在测试,内部和外部验证组 (分别为0.938,0.923,0.990) 中,V / P-mics表现出了优异的概括性,具有可比的AUC值.
- 该模型的AUC (0.923) 与高级医生 (0.975) 相似,并且明显高于初级医生 (0.725).
- 与初级医生 (240s) 相比,V / P-mics显著减少了诊断时间 (100s).
结论:
- V/P-mics模型在V/P-SPECT上表现出强大的诊断歧视和确定肺栓塞的概括性.
- 通过减少解释时间,V/P-mics显著提高了诊断效率.
- 该模型提供了出色的解释性,支持其在PE诊断中的临床实用性.
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