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首页> 外文期刊>Circulation journal >Primary percutaneous coronary intervention lowers the incidence of ischemic mitral regurgitation in patients with acute ST-elevated myocardial infarction.
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Primary percutaneous coronary intervention lowers the incidence of ischemic mitral regurgitation in patients with acute ST-elevated myocardial infarction.

机译:原发性经皮冠状动脉介入治疗可降低急性ST抬高型心肌梗死患者缺血性二尖瓣关闭不全的发生率。

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BACKGROUND: The impact of primary percutaneous coronary intervention (PCI) for acute ST-elevated myocardial infarction (STEMI) on the incidence of ischemic mitral regurgitation (IMR) is unclear. METHODS AND RESULTS: Between January 2000 and December 2004, 318 patients presenting with first acute STEMI were enrolled in this study. Two hundred and twelve (66.67%) patients received PCI (PCI group), and 106 age- and Killip class-matched patients received medical management (non-PCI group). The median duration of follow up was 40.46 months. Compared to the non-PCI group, the PCI group had 14.6% (9.9% vs 24.5%) fewer patients with moderate or severe IMR (P<0.001). Univariate analysis demonstrated IMR was significantly associated with advanced age, higher Killip score, and posterior myocardial infarction (MI). Moreover, IMR was strongly associated with a lower left ventricular (LV) ejection fraction, larger left atrial dimension (LAd), and a larger LV end-systolic and LV end-diastolic volumes (LVEDV) (all P<0.01). Multivariate analysis revealed the odds of IMR in the PCI group was 0.208 times those of the non-PCI group (P<0.001). Additionally, moderate or severe IMR was independently correlated with advanced age, inferior MI, Killip class >/=3, larger LAd, and larger LVEDV (all P<0.05). Furthermore, long-term survival time was longer in the PCI group without IMR than in the non-PCI group with IMR (all P<0.01). CONCLUSIONS: PCI for first acute STEMI was associated with lower incidence of IMR. Advanced age, inferior MI, Killip class >/=3, larger LAd and LVEDV were risk factors associated with IMR development.
机译:背景:急性ST抬高型心肌梗死(STEMI)的主要经皮冠状动脉介入治疗(PCI)对缺血性二尖瓣关闭不全(IMR)发生率的影响尚不清楚。方法与结果:2000年1月至2004年12月,本研究共纳入318例首发急性STEMI患者。一百二十二例(66.67%)患者接受了PCI(PCI组),而106例年龄和基利分类匹配的患者接受了医疗管理(非PCI组)。中位随访时间为40.46个月。与非PCI组相比,PCI组中度或重度IMR患者减少了14.6%(9.9%比24.5%)(P <0.001)。单因素分析表明,IMR与高龄,较高的Killip评分和后心肌梗死(MI)密切相关。此外,IMR与较低的左心室(LV)射血分数,较大的左心房尺寸(LAd)和较大的LV收缩末期容积和LV舒张末期容积(LVEDV)密切相关(所有P <0.01)。多因素分析显示,PCI组IMR的几率是非PCI组的0.208倍(P <0.001)。此外,中度或重度IMR与年龄,MI下级,Killip分类> / = 3,较大LAd和较大LVEDV独立相关(所有P <0.05)。此外,没有IMR的PCI组的长期生存时间比有IMR的非PCI组长(所有P <0.01)。结论:首次急性STEMI的PCI与IMR的发生率较低有关。高龄,MI下级,Killip等级> / = 3,较大的LAd和LVEDV是与IMR发生相关的危险因素。

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