341 In vivo measurement of premature neonate head using diffuse optical tomography

Ueno, Masanori; Fukuzawa, Ryo; Okawa, Shinpei; Yamada, Yukio; Kusaka, Takashi; Nishida, Tomoko; Isobe, Kazuo; Tanikawa, Yukari; Gao, Feng; Sato, Chie; Hoshi, Yoko

doi:10.1299/jsmebio.2006.19.338

Cited by 1 publication

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“…Figure 9 shows the photograph and block diagram of the system which had 64 independent detector units, while light sources of three pulsed laser diodes with three wavelengths operated in turn using an optical switch for selecting a wavelength and a mechanical switch for selecting a source position. Results using this system are reviewed in a later section [46][47][48]. A 32-channel TD-NIRS system named MONSTIR ( Figure 10) was developed by a group from the University of London for reconstructing TD-DOT images of brain functions in premature infants at bedside [49].…”

Section: Multi-channel Td-nirs Systems Based On Tcspc For Dotmentioning

confidence: 99%

“…Ueno et al obtained DOT images of ventilated premature infant brains with the help of reducing the artifacts induced by the relative movements of the optodes against the scalp surface [46,48]. Fukuzawa et al improved the image quality by introducing the coupling coefficients of the optodes as the unknowns in the reconstruction algorithm [46,47,186].…”

Section: Brain Imagingmentioning

confidence: 99%

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Time-Domain Near-Infrared Spectroscopy and Imaging: A Review

2019

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This article reviews the past and current statuses of time-domain near-infrared spectroscopy (TD-NIRS) and imaging. Although time-domain technology is not yet widely employed due to its drawbacks of being cumbersome, bulky, and very expensive compared to commercial continuous wave (CW) and frequency-domain (FD) fNIRS systems, TD-NIRS has great advantages over CW and FD systems because time-resolved data measured by TD systems contain the richest information about optical properties inside measured objects. This article focuses on reviewing the theoretical background, advanced theories and methods, instruments, and studies on clinical applications for TD-NIRS including some clinical studies which used TD-NIRS systems. Major events in the development of TD-NIRS and imaging are identified and summarized in chronological tables and figures. Finally, prospects for TD-NIRS in the near future are briefly described.

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