The analysis of blood flow changes under local anesthetic input using non-contact technique

被引：14

作者：

Rubins, U. ^{[1
]}

Miscuks, A. ^{[1
]}

Rubenis, O. ^{[1
]}

Erts, R. ^{[1
]}

Grabovskis, A. ^{[1
]}

机构：

[1] Univ Latvia, Inst Atom Phys & Spect, Riga, Latvia

来源：

2010 3RD INTERNATIONAL CONFERENCE ON BIOMEDICAL ENGINEERING AND INFORMATICS (BMEI 2010), VOLS 1-7 | 2010年

关键词：

photoplethysmography imaging; PPGI; non-contact photoplethysmography; skin blood perfusion; regional anesthesia;

D O I：

10.1109/BMEI.2010.5640023

中图分类号：

R318 [生物医学工程];

学科分类号：

0831 ;

摘要：

In this work photoplethysmography imaging (PPGI) technique was used to obtain blood flow changes in human skin under regional anesthesia (RA). PPGI was evaluated from video taken by video camera for 26 patients 2 minutes before and immediately after RA, using custom developed software. Results showed that blood flow obtained by PPGI increases immediately after RA effect and the amplitude of PPGI showed correlation with temperature changes in human skin (r=0.8 +/- 0.14, p<0.0001). We found that PPGI technique can be usable for non-contact monitoring of quality of RA.

引用

页码：601 / 604

页数：4

共 9 条

[1]

ERTS R, 2009, WC 2009 IFMBE P, V25, P754

[2] A CMOS camera-based system for clinical photoplethysmographic applications [J].