alexa Local Thermal Impact on Microcirculation Assessed by Imaging Photoplethysmography
ISSN: 0974-8369

Biology and Medicine
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Research Article

Local Thermal Impact on Microcirculation Assessed by Imaging Photoplethysmography

Alexei A Kamshilin1*, Angelica V Belaventseva2, Roman V Romashko2,3, Yuri N Kulchin2,3 and Oleg V Mamontov1,4

1Department of Computer Photonics and Videomatics, ITMO University, Kronverksky Pr, St. Petersburg, Russia

2Institute for Automation and Control Processes of FEB RAS, Radio St., Vladivostok, Russia

3Far Eastern Federal University, Sukhanova St., Vladivostok, Russia

4Almazov Federal Heart, Blood and Endocrinology Center, Akkuratova St., St. Petersburg, Russia

*Corresponding Author:
Dr. Alexei A Kamshilin
Department of Computer Photonics and Videomatics
ITMO University, 49 Kronverksky Pr.
St. Petersburg 197101, Russia
Tel: +7 952 261 3784
E-mail: [email protected]

Received Date: October 18, 2016; Accepted Date: November 17, 2016; Published Date: November 24, 2016

Citation: Kamshilin AA, Belaventseva AV, Romashko RV, Kulchin YN, Mamontov OV (2016) Local Thermal Impact on Microcirculation Assessed by Imaging Photoplethysmography. Biol Med (Aligarh) 8: 361. doi:10.4172/0974-8369.1000361

Copyright: © 2016 Kamshilin AA, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution and reproduction in any medium, provided the original author and source are credited.

 

Abstract

Laser Doppler Flowmetry and Laser Speckle Contrast Imaging are applied usually for assessment of parameters of the cutaneous blood flow during thermoregulation. Alternatively, this work explores the feasibility of blood pulsation imaging under incoherent green illumination for measuring the response of human body on local thermal impact. The proposed technique allows assessment of the cutaneous blood flow changes during thermoregulation simultaneously in different areas of the body. The preliminary experiments show that the blood pulsation amplitude (BPA) is sufficiently reliable index, which could characterize the relative change of the cutaneous blood flow similarly to the parameter measured with the Laser Doppler Flowmetry technique. It is shown that BPA grows up proportionally to the skin temperature increase in the preliminary cooled finger, whilst it is in the steady state in another finger having the constant temperature. The rate of BPA increase is individual characteristic of a subject, which could serve as a parameter of the subject’s vasomotor reactivity on the temperature changes. High quality of visualized distribution of blood pulsations, good repeatability of the BPA, and revealed dependencies of its response on the skin-temperature change offer the prospect for development new system of studying microcirculation.

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