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Hepatology:磁共振成像对儿童非酒精性脂肪肝的诊断如何?

2017-10-19 MedSci MedSci原创

近期,一项发表在杂志Hepatology上的研究评估了在半胱胺酒石酸缓释治疗儿童非酒精性脂肪性肝病(CyNCh)试验中,治疗前后肝脏脂肪变性等级的儿童磁共振成像(MRI)质子密度脂肪分数(PDFF)的表现,此项研究使用中心评分的组织学作为参考。此项研究的受试者均进行了多回波1.5T或3T MRI扫描。在169名受试儿童中,分别有110例(65%)和83例(49%)在基线和治疗结束时(EOT;52周

近期,一项发表在杂志Hepatology上的研究评估了在半胱胺酒石酸缓释治疗儿童非酒精性脂肪性肝病(CyNCh)试验中,治疗前后肝脏脂肪变性等级的儿童磁共振成像(MRI)质子密度脂肪分数(PDFF)的表现,此项研究使用中心评分的组织学作为参考。此项研究的受试者均进行了多回波1.5T或3T MRI扫描。在169名受试儿童中,分别有110例(65%)和83例(49%)在基线和治疗结束时(EOT;52周)进行了MRI和肝活检。结果显示:在基线时,分别有17%(19/110),28%(31/110)和55%(60/110)的肝活组织检查显示1级,2级和3级组织学脂肪变性;相应的PDFF值(平均值±标准偏差)分别为10.9±4.1%,18.4±6.2%和25.7±9.7%。PDFF分级的1 vs. 2-3以及1-2 vs. 3级脂肪变性,操作者特征曲线(AUROCs)的区域分别为0.87(95%置信区间[CI]:0.80,0.94)和0.79(0.70,0.87)。PDFF临界值的90%特异性在2-3级脂肪变性时为17.5%,3级脂肪变性为23.3%。在EOT中,47%(39/83),41%(3

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    2017-10-21 gwc384
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    2017-10-21 虈亣靌

    谢谢分享.学习了

    0

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