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大鼠大脑皮层扩散性抑制期间脑血流的扩散光学相关断层扫描

Diffuse optical correlation tomography of cerebral blood flow during cortical spreading depression in rat brain.

作者信息

Zhou Chao, Yu Guoqiang, Furuya Daisuke, Greenberg Joel, Yodh Arjun, Durduran Turgut

出版信息

Opt Express. 2006 Feb 6;14(3):1125-44. doi: 10.1364/oe.14.001125.

DOI:10.1364/oe.14.001125
PMID:19503435
Abstract

Diffuse optical correlation methods were adapted for three-dimensional (3D) tomography of cerebral blood flow (CBF) in small animal models. The image reconstruction was optimized using a noise model for diffuse correlation tomography which enabled better data selection and regularization. The tomographic approach was demonstrated with simulated data and during in-vivo cortical spreading depression (CSD) in rat brain. Three-dimensional images of CBF were obtained through intact skull in tissues(~4mm) deep below the cortex.

摘要

扩散光学相关方法被应用于小动物模型中脑血流(CBF)的三维(3D)断层成像。使用扩散相关断层成像的噪声模型对图像重建进行了优化,这使得能够更好地进行数据选择和正则化。通过模拟数据以及在大鼠脑内活体皮层扩散性抑制(CSD)过程中展示了这种断层成像方法。通过完整颅骨获得了皮层下约4毫米深处组织中脑血流的三维图像。

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