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Comput Med Imaging Graph. 2014 Jun;38(4):276-84. doi: 10.1016/j.compmedimag.2013.12.012. Epub 2014 Jan 15.

Simultaneous evaluation of wall motion and blood perfusion of a beating heart using stereoscopic fluorescence camera system.

Author information

  • 1Graduate School of Engineering, University of Tokyo, Hongo 7-3-1, Bunkyo, Tokyo 1138656, Japan. Electronic address: take_and_o@bmpe.t.u-tokyo.ac.jp.
  • 2Graduate School of Engineering, University of Tokyo, Hongo 7-3-1, Bunkyo, Tokyo 1138656, Japan. Electronic address: kimhongho@bmpe.t.u-tokyo.ac.jp.
  • 3Graduate School of Engineering, University of Tokyo, Hongo 7-3-1, Bunkyo, Tokyo 1138656, Japan. Electronic address: etsuko@bmpe.t.u-tokyo.ac.jp.
  • 4Graduate School of Engineering, University of Tokyo, Hongo 7-3-1, Bunkyo, Tokyo 1138656, Japan; Department of Cardiovascular Surgery, University of Tokyo Hospital, Hongo 7-3-1, Bunkyo, Tokyo 1138656, Japan. Electronic address: tsukihara-circ@umin.net.
  • 5Department of Cardiovascular Surgery, University of Tokyo Hospital, Hongo 7-3-1, Bunkyo, Tokyo 1138656, Japan. Electronic address: noboru@motomura.org.
  • 6Department of Cardiovascular Surgery, University of Tokyo Hospital, Hongo 7-3-1, Bunkyo, Tokyo 1138656, Japan. Electronic address: kyo-stm@umin.ac.jp.
  • 7Department of Cardiovascular Surgery, University of Tokyo Hospital, Hongo 7-3-1, Bunkyo, Tokyo 1138656, Japan. Electronic address: mono-tky@umin.ac.jp.
  • 8Graduate School of Engineering, University of Tokyo, Hongo 7-3-1, Bunkyo, Tokyo 1138656, Japan. Electronic address: sakuma@bmpe.t.u-tokyo.ac.jp.

Abstract

In this study, we aimed to develop a stereoscopic fluorescence camera system for simultaneous evaluation of wall motion and tissue perfusion using indocyanine green (ICG) fluorescence imaging. The system consists of two high-speed stereo cameras, an excitation lamp, and a computer for image processing. Evaluation experiments demonstrated that the stereoscopic fluorescence camera system successfully performed the simultaneous measurement of wall motion and tissue perfusion based on ICG fluorescence imaging. Our system can be applied to intraoperative evaluation of cardiac status, leading to an improvement in surgical outcomes.

Copyright © 2014 Elsevier Ltd. All rights reserved.

KEYWORDS:

Cardiac surgery; Indocyanine green; Stereo camera; Tissue perfusion; Wall motion

PMID:
24507764
[PubMed - in process]
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