Monitoring of tissue optical properties using OCT: application for blood glucose analysis

Kirill V. Larin; Mohsen S. Eledrisi; Taras V. Ashitkov; Massoud Motamedi; Rinat O. Esenaliev

doi:10.1117/12.475628

16 July 2002 Monitoring of tissue optical properties using OCT: application for blood glucose analysis

Kirill V. Larin, Mohsen S. Eledrisi, Taras V. Ashitkov, Massoud Motamedi, Rinat O. Esenaliev

Proceedings Volume 4707, Saratov Fall Meeting 2001: Optical Technologies in Biophysics and Medicine III; (2002) https://doi.org/10.1117/12.475628
Event: Saratov Fall Meeting 2001, 2001, Saratov, Russian Federation

Abstract

Noninvasive monitoring of tissue optical properties in real time could significantly improve diagnostics and management of various diseases. Recently we proposed to use high- resolution Optical Coherence Tomography (OCT) technique for measurement of tissue scattering coefficient at the depth of up to 1mm. Our pilot studies performed in vitro and in vivo demonstrated that measurement of tissue scattering with this technique can potentially be applied for noninvasive monitoring of blood glucose concentration. High resolution and coherent photon detection of the OCT technique allowed detection of glucose-induced changes in the scattering coefficient. In this paper we report results of in vivo studies performed in dog, New Zealand rabbits, and first human subjects. OCT system with the wavelength of 1300 nm was used in our experiments. OCT signal slope was measured and compared with actual blood glucose concentration. Bolus glucose injections and glucose clamping administrations were used in animal studies. OCT signals were recorded form human subjects during oral glucose tolerance test. Results obtained form both animal and human studies show good correlation between slope of the OCT signals and actual blood glucose concentration measured using standard glucometesr. Sensitivity and accuracy of blood glucose concentrations monitoring with the OCT is discussed. Obtained result suggest that OCT is a promising technique for noninvasive monitoring of tissue analytes including glucose.

Citation Download Citation

Kirill V. Larin, Mohsen S. Eledrisi, Taras V. Ashitkov, Massoud Motamedi, and Rinat O. Esenaliev "Monitoring of tissue optical properties using OCT: application for blood glucose analysis", Proc. SPIE 4707, Saratov Fall Meeting 2001: Optical Technologies in Biophysics and Medicine III, (16 July 2002); https://doi.org/10.1117/12.475628

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