Influence of osmolytes on in vivo glucose monitoring using optical coherence tomography

Veronika V. Sapozhnikova, Donald Prough, Roman V. Kuranov, Inga Cicenaite, Rinat Esenaliev

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

Diabetes mellitus and its complications are the third leading cause of death in the world, exceeded only by cardiovascular disease and cancer. Tighter monitoring and control of blood glucose could minimize complications associated with diabetes. Recently, optical coherence tomography (OCT) for noninvasive glucose monitoring was proposed and tested in vivo. The aim of this work was to investigate the influence of changes in blood glucose concentration ([glu]) and sodium concentration ([Na+]) on the OCT signal. We also investigated the influence of other important analytes on the sensitivity of glucose monitoring with OCT. The experiments were carried out in anesthetized female pigs. The OCT images were acquired continuously from skin, while [glu] and [Na+] were experimentally varied within their physiological ranges. Correlations of the OCT signal slope with [glu] and [Na+] were studied at different tissue depths. The tissue area probed with OCT was marked and cut for histological examination. The correlation of blood [glu] and [Na+] with the OCT signal slope was observed in separate tissue layers. On average, equimolar changes in [glu] produced 2.26 ± 1.15 greater alterations of the OCT signal slope than changes in [Na+]. Variation of concentrations of other analytes did not influence the OCT signal slope. The influence of [Na+] on relative changes in the OCT signal slope was generally less than [glu]-induced changes. OCT is a promising method for noninvasive glucose monitoring because of its ability to track the influence of changing [glu] on individual tissue layers.

Original languageEnglish (US)
Pages (from-to)1323-1332
Number of pages10
JournalExperimental Biology and Medicine
Volume231
Issue number8
StatePublished - 2006

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Optical tomography
Optical Coherence Tomography
Glucose
Monitoring
Tissue
Medical problems
Blood Glucose
Diabetes Complications
Cause of Death
Skin
Blood
Cardiovascular Diseases
Swine
Sodium

Keywords

  • Diabetes
  • Glucose monitoring
  • Optical coherence tomography

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)

Cite this

Influence of osmolytes on in vivo glucose monitoring using optical coherence tomography. / Sapozhnikova, Veronika V.; Prough, Donald; Kuranov, Roman V.; Cicenaite, Inga; Esenaliev, Rinat.

In: Experimental Biology and Medicine, Vol. 231, No. 8, 2006, p. 1323-1332.

Research output: Contribution to journalArticle

Sapozhnikova, Veronika V. ; Prough, Donald ; Kuranov, Roman V. ; Cicenaite, Inga ; Esenaliev, Rinat. / Influence of osmolytes on in vivo glucose monitoring using optical coherence tomography. In: Experimental Biology and Medicine. 2006 ; Vol. 231, No. 8. pp. 1323-1332.
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