两步MRI和临床模型用于检测在代谢性肝病中风险性脂肪肝炎
Mingkai Li1, Zebin Chen2, Haimei Chen3
1Department of Gastroenterology, The Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, People's Republic of China.
概括
识别风险代谢功能障碍相关的脂肪肝炎 (MASH) 是至关重要的. 将肥胖症相关纤维化估计器 (SAFE) 评分与MR-MASH评分相结合,为早期检测提供了一个高度准确,非侵入性的方法.
科学领域:
- 肝病学 肝病学是一种肝病学.
- 诊断成像 诊断成像 诊断成像
- 非侵入性的生物标志物
背景情况:
- 准确识别具有重大纤维化 (≥2阶段) 的高风险代谢功能障碍相关的脂肪肝炎 (MASH) 是临床上必不可少的.
- 现有的非侵袭性标记物,如纤维化相关纤维化估计器 (SAFE) 纤维化的得分和MASH的MR-MASH得分,已经单独显示出希望.
- 这些非侵入性测试的综合诊断性能,用于识别有风险的MASH,需要进一步调查.
研究的目的:
- 评估非侵入性测试的连续组合的诊断准确性,以识别有风险的MASH (≥2期纤维化).
- 在临床和基于人群的队列中比较不同两步非侵入性测试策略的性能.
- 确定最佳的非侵入性策略,以预测具有显著纤维化的MASH.
主要方法:
- 进行了一项两部分研究,涉及代谢功能障碍相关的脂肪性肝病 (MASLD) 患者.
- 第1部分分析了来自亚洲中心的286名MASLD患者,其诊断经过了活检,并比较了四种两步策略.
- 第二部分验证了来自英国生物库的495名MASLD患者的选择策略,使用更正的T1值.
主要成果:
- 在SAFE得分和MR-MASH得分 (策略A) 的连续组合中,与第1部分的其他策略相比,在识别有风险的MASH方面表现出更高的准确性 (87.8%).
- 与Fibrosis-4相比,A策略的准确度更高 (88.5%),错误分类率更低 (9.1%),其次是基于磁共振的模型 (B策略).
- 在第二部分中,A策略保持了高负预测值 (99.7%),与B策略相比,错误分类率 (3.6%) 较低,准确度相似.
结论:
- 安全得分和MR-MASH得分的串行组合是预测风险MASH的有效策略.
- 这种非侵入性方法提供了一种可靠的方法来识别MASH和显著纤维化患者.
- 这些发现支持将SAFE和MR-MASH结合用于MASH诊断的临床实用性.
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