An isolated working heart system for large animal models.

An isolated working heart system for large animal models.
复制标题

DOI:
10.3791/51671
复制
发表时间:
2014-06-11
期刊:
Journal of visualized experiments : JoVE
影响因子:
--
通讯作者:
Bowles DE
Bowles DE
中科院分区:
其他
文献类型:
--
作者:
Schechter MA;Southerland KW;Feger BJ;Linder D Jr;Ali AA;Njoroge L;Milano CA;Bowles DE

文献摘要

参考文献

被引文献

相似文献

自世纪晚期引入以来,Langendorff离体心脏灌注装置以及随后开发的工作心脏模型已成为研究心血管功能和疾病的宝贵工具1 -15。尽管Langendorff心脏制备可用于任何哺乳动物心脏,但涉及该装置的大多数研究使用小动物模型(例如,小鼠、大鼠和兔),因为大型哺乳动物系统的复杂性增加1,3,11。一个主要的困难是确保在不同心脏尺寸范围内恒定的冠状动脉灌注压-这是使用该设备的任何实验的关键组成部分1,11。通过用离心泵代替经典的流体静力后负荷柱,下面描述的Langendorff工作心脏装置允许容易地调节和严格地调节灌注压力,这意味着相同的设置可以用于各种物种或心脏尺寸。此外,该配置还可以在再灌注期间根据用户的偏好在恒定压力或恒定流量之间无缝切换。这种设置的开放性,尽管使温度调节比其他设计更困难,但允许轻松收集流出物和心室压力-容积数据。
Since its introduction in the late 19th century, the Langendorff isolated heart perfusion apparatus, and the subsequent development of the working heart model, have been invaluable tools for studying cardiovascular function and disease1-15. Although the Langendorff heart preparation can be used for any mammalian heart, most studies involving this apparatus use small animal models (e.g., mouse, rat, and rabbit) due to the increased complexity of systems for larger mammals1,3,11. One major difficulty is ensuring a constant coronary perfusion pressure over a range of different heart sizes – a key component of any experiment utilizing this device1,11. By replacing the classic hydrostatic afterload column with a centrifugal pump, the Langendorff working heart apparatus described below allows for easy adjustment and tight regulation of perfusion pressures, meaning the same set-up can be used for various species or heart sizes. Furthermore, this configuration can also seamlessly switch between constant pressure or constant flow during reperfusion, depending on the user’s preferences. The open nature of this setup, despite making temperature regulation more difficult than other designs, allows for easy collection of effluent and ventricular pressure-volume data.
DOI: 10.1161/01.cir.101.15.1833
发表时间: 2000-04-18
期刊: CIRCULATION
影响因子: 37.8
作者:
Cheung, PY;Sawicki, G;Schulz, R
通讯作者: Schulz, R
DOI: 10.1016/j.vascn.2006.05.006
发表时间: 2007-03-01
影响因子: 1.9
作者:
Skrzypiec-Spring, Monika;Grotthus, Bartosz;Schulz, Richard
通讯作者: Schulz, Richard
DOI: 10.1089/ten.tec.2008.0475
发表时间: 2009-06-01
影响因子: 3
作者:
Garbade, Jens;Krautz, Christian;Mohr, Friedrich-Wilhelm
通讯作者: Mohr, Friedrich-Wilhelm
DOI: 10.1016/j.athoracsur.2004.06.080
发表时间: 2005-01-01
影响因子: 4.6
作者:
Hill, AJ;Laske, TG;Iaizzo, PA
通讯作者: Iaizzo, PA
DOI: 10.1139/y04-138
发表时间: 2005-02-01
影响因子: 2.1
作者:
Southworth, R;Blackburn, SC;Garlick, PB
通讯作者: Garlick, PB