经胸腔镜猪慢性心肌缺血模型的制作
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Establishment of chronic ischemic myocardial models in swines by full-endoscopy
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    摘要:

    目的:探讨一种胸腔镜下慢性心肌缺血动物模型建立的方法。方法:23只中华实验小型猪,在完全胸腔镜下将Ameroid慢性缩窄环置于左冠状动脉回旋支(LCX)的主干,术前及术后6周分别进行冠状动脉造影检查。结果:23只猪中20只手术顺利完成,饲养6周后,行冠状动脉造影显示7只LCX完全闭塞,13只狭窄大于85%。左前降支血管增粗、迂回,多支分支伸向缺血区形成血管网。结论:完全胸腔镜下应用Ameroid慢性缩窄环可成功地制作良好的慢性心肌缺血动物模型。

    Abstract:

    Objective:To establish the method of making chronic ischemic myocardial models in swines by full-endoscopy. Methods:The myocardial ischemia was established by gradual occlusion of the left circumflex coronary artery(LCX) with an Ameroid constrictor. An Ameroid constrictor was implanted around LCX by full endoscopy. Selective coronary angiography were performed postoperatively to evaluate the degree of stenosis and collateral circulation. Results:Chronic ischemic myocardial models were successfully constructed in 20 swines by full-endoscopy. Six weeks later,coronary angiography revealed that the total occlusion and partial stenosis(>85%)of the LCX in 7 and 13 swines separatively. The coronary collateral circulation was obviously formed. Conclusion:The full-endoscopic operation could construct coronary artery occlusion animal models with less injury than thoracic surgery.

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陈仕林,朱成楚,唐礼江,包卫光,周文娟,王东进.经胸腔镜猪慢性心肌缺血模型的制作[J].南京医科大学学报(自然科学版),2008,28(3):338-340

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  • 收稿日期:2007-09-12
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