EASL 2014 :CT测定腰大肌厚度可判断肝硬化患者预后

2014-04-14 佚名 dxy

长期以来,对于终末期肝病都没有一个较完善的评分指标以评价其严重程度。终末期肝病模型(Model for end-stage liver disease,MELD)标准可对终末期肝病短中期死亡率进行有效的预测,并因其评价指标易得、客观、易于计算,在肝病诊治中广为应用。 然而,MELD分级中使用的血清肌酐、胆红素、INR等指标,容易受非肝病因素的影响,这将直接影响判断真实的肝病病情。对于MELD评分较

长期以来,对于终末期肝病都没有一个较完善的评分指标以评价其严重程度。终末期肝病模型(Model for end-stage liver disease,MELD)标准可对终末期肝病短中期死亡率进行有效的预测,并因其评价指标易得、客观、易于计算,在肝病诊治中广为应用。

然而,MELD分级中使用的血清肌酐、胆红素、INR等指标,容易受非肝病因素的影响,这将直接影响判断真实的肝病病情。对于MELD评分较低且有顽固性腹水的病人,预后死亡率的判断相对更加困难。本研究即旨在探究利用肌肉萎缩程度指标是否可提高MELD评分预测的精准性。

研究对前期终末期肝病队列研究的186名患者和正处于终末期肝病队列研究的376名患者进行了评价。CT测量脐水平线腰横肌厚度,前期终末期肝病研究患者的 TPMT/height (腰横肌厚度) 和终末期肝病评分被用以估算患者的死亡率,所得结果在处于终末期肝病研究的患者中进行验证。
研究结果发现,在前期终末期肝病患者的队列研究中, MELD 评分和腰横肌肉厚度与死亡率有密切关系,MELD和 TPMT/height的综合评分误差为0.84。

在对正处于终末期肝病患者的队列研究中,独立于MELD和MELD-Na评分系统的TPMT/height(腰横肌厚度)也与患者死亡率有显著相关性。腰横肌厚度每减少一个单位量,死亡风险就会增加15% ,TPMT/height评分误差值为0.82,优于 MELD评分和 MELD-Na评分。TPMT/height小于16.8mm时,难治性腹水病人的死亡率明显升高。

研究表明,脐水平的腰横肌厚度可以作为肌肉萎缩的客观标志, 进而可以作为预测肝硬化病人死亡率的一个客观标志, 这种测量方法独立于 MELD 和MELD-Na 评分之外,也可以帮助临床医生更好地评价难治性腹水患者的预后。

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    2014-04-16 kord1983
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    2014-04-16 lq1771

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