Determination of Cardiac Output based on Minimally Invasive Impedance Plethysmography in Various Healthy Subjects

Document Type : Primary Research paper

Authors

1 Department of Electronics and Communication Engineeeing, PG Scholar, Sri Krishna College of Engineering and Technology, Coimbatore

2 Bannari Amman Institute of Technology, Sathyamangalam

3 Department of Electronics and Communication Engineeeing, Sri Krishna College of Engineering and Technology, Coimbatore

4 Department of Instrumentation and Control Engineeeing, PSG College of Technology, Coimbatore

5 Department of Electronics and Communication Engineeeing, K.Ramakrishnan College of Technology, Trichy.

Abstract

Impedance plethysmography is considered as one of the comprehensive and the
latest minimally invasive technique for measuring the blood flow in any section of the
human body. In various studies it has been revealed that only the parameter of blood
pressure and heart rate is not enough for accessing the human’s state under hemodynamic
condition. Therefore, the measurement of cardiac output is being made by the proposed
simple strategy referred as impedance plethysmography that will help in accessing the
functional status of cardiac muscle in avoiding the critical complications which is being
resulted from the ancient invasive measurement of blood flow. The main objective of this
proposed study is to determine the measurement of cardiac output in the non-invasive
manner of various healthy male subjects in 2 various age clusters using IPG and
enumerate the comparison with the previous study utilizing the variant electrode placement
strategies.Additionally, the comparison over the cardiac parameters between the mentioned
2 age clusters has been enumerated. Preceding over the study has been made in 2 clusters
of age person with which one between (15-24) and the other between (25-34) years of age
each of 9 healthy male subjects. The average value of Stroke Volume (SV) Mean value ±
Standard Deviationis observed as 52.3±7.8 & 56.6±8.4, the resulted cardiac output is being
observed to be as 5.07±0.8 & 4.9±0.67 and the resulted Cardiac Index (CI) is observed to be
as 2.84±0.44 & 2.74±0.35 for the first and second chosen respective class of age groups.
The IPG results are also being extracted with which the peak amplitude is measuredranging between the mean value of 2.10±0.54 & 2.50±0.45 volts respectively for the
respective cluster of age groups. It is being observed that in both the cases p value is less
than 0.004 and the correlation coefficient is approximately ranged around 0.35 between
IPG and SV data. With the available selected data which is being acquired and processed it
is inferred that the correlation of Cardiac output through the stroke volume is estimated by
the IPG waveform with adequate correlated value experimented with different male
subjects under healthy condition.

Keywords

Int. J. of Aquatic Science
Volume 12, Issue 3 - Serial Number 3
ICMMNT-2021 International Virtual Conference on Materials, Manufacturing and Nanotechnology, 30th June, 2021.
June 2021
Pages 1078-1086

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