Intravital microscopy of subpleural alveoli via transthoracic endoscopy.

Intravital microscopy of subpleural alveoli via transthoracic endoscopy.
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经胸内窥镜对胸膜下肺泡进行活体显微镜检查

DOI:
10.1117/1.3560297
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发表时间:
2011
影响因子:
3.5
通讯作者:
J. Guttmann
J. Guttmann
中科院分区:
医学3区
文献类型:
--
作者:
D. Schwenninger;H. Ruck;S. Schumann;J. Haberstroh;S. Meissner;E. Koch;J. Guttmann

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从呼吸机向肺泡组织传递过高的机械能是导致呼吸机致肺损伤(VILI)的主要原因。为了研究循环能量转移到肺泡的影响,我们介绍了一种新的经胸内窥镜检查方法,该方法提供了肺泡几何形状和力学的形态学和功能信息。我们评估新的内镜方法,以连续记录图像聚焦胸膜下肺泡。通过使用有限元建模技术和直接观察离体大鼠肺和完整动物(大鼠)的胸膜下肺泡来评估该方法。结果证实了内窥镜方法的整体低侵入性,因为对记录的肺泡的机械影响只是边际的。因此,它是一种适合于活体显微术的方法,适用于大鼠模型和大型动物。
Transfer of too high mechanical energy from the ventilator to the lung's alveolar tissue is the main cause for ventilator-induced lung injury (VILI). To investigate the effects of cyclic energy transfer to the alveoli, we introduce a new method of transthoracic endoscopy that provides morphological as well as functional information about alveolar geometry and mechanics. We evaluate the new endoscopic method to continuously record images of focused subpleural alveoli. The method is evaluated by using finite element modeling techniques and by direct observation of subpleural alveoli both in isolated rat lungs as well as in intact animals (rats). The results confirm the overall low invasiveness of the endoscopic method insofar as the mechanical influences on the recorded alveoli are only marginal. It is, hence, a suited method for intravital microscopy in the rat model as well as in larger animals.
DOI: 10.1038/labinvest.2010.76
发表时间: 2010-06-01
影响因子: 5
作者:
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