Radiology:NAFLD与高危冠状动脉斑块相关

2014-11-06 伊文 国际循环

一项新的研究显示,非酒精性脂肪肝(NAFLD)与高危冠状动脉斑块相关。这是研究者使用冠状动脉CT血管成像评估两者关系后的发现。 研究主要作者麻省总医院和哈佛医学院Stefan B. Puchner博士讲到,“已知动脉粥样硬化与炎症相关,我们想要观察高危斑块与其他系统性炎症状态如NAFLD的关系……有意思的是,两种病理改变都能在CT检查中发现。” Puchner和同事分析ROMICA

一项新的研究显示,非酒精性脂肪肝(NAFLD)与高危冠状动脉斑块相关。这是研究者使用冠状动脉CT血管成像评估两者关系后的发现。

研究主要作者麻省总医院和哈佛医学院Stefan B. Puchner博士讲到,“已知动脉粥样硬化与炎症相关,我们想要观察高危斑块与其他系统性炎症状态如NAFLD的关系……有意思的是,两种病理改变都能在CT检查中发现。”

Puchner和同事分析ROMICAT Ⅱ试验中接受非增强CT和增强冠状动脉CT血管造影的445例患者数据。所有患者之前在美国9个医院的急诊室均因胸痛接受过检查。

CT检查发现182例患者有NAFLD。与无NAFLD者相比,NAFLD患者年龄更大(56.2±8.0 vs. 52.2±7.7;P<0.001)、男性更多(55.5% vs. 34%;P<0.001)、体重指数更大(30.3±4.8 vs. 28.8±5.2;P=0.002)、心血管危险因素更多。CT检查发现248例患者有冠状动脉斑块(55.7%),42例患者有冠心病(CAD)。与无NAFLD者相比,NAFLD患者表现为“显著的非阻塞性CAD”以及高危斑块特征更明显。

调整传统心血管危险因素和CAD严重性后,多变量分析显示NAFLD与高危斑块相关(AOR 2.13;95%CI:1.18~3.85)。而且,NAFLD与急性冠状动脉综合征风险增加6倍相关(OR 5.84;95%CI:2.58~13.22;P<0.001)。

Puchner指出,“由于我们的研究结果显示NAFLD的存在与高危斑块相关,且独立于传统危险因素和CAD严重性,因此,对于怀疑CAD的患者,CT检查NAFLD能改善危险分层……未来需使用CCTA进一步探讨和理解晚期动脉粥样硬化和作为复杂的系统性炎症状态的NAFLD的相互作用。”

原始出处:

Puchner SB1, Lu MT, Mayrhofer T, Liu T, Pursnani A, Ghoshhajra BB, Truong QA, Wiviott SD, Fleg JL, Hoffmann U, Ferencik M.High-Risk Coronary Plaque at Coronary CT Angiography Is Associated with Nonalcoholic Fatty Liver Disease, Independent of Coronary Plaque and Stenosis Burden: Results from the ROMICAT II Trial.Radiology. 2014 Nov 4:140933. [Epub ahead of print]


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    2015-06-03 lvygwyt2781
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    2015-03-02 xiaoai5777

    好文章,超赞

    0

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