Bioelectrical impedance analysis of body composition: influence of a newly implanted cardiac device Cover

.blurhash-client-img { display: none !important; }

Bioelectrical impedance analysis of body composition: influence of a newly implanted cardiac device

Journal of Electrical Bioimpedance

Volume 8 (2017): Issue 1 (January 2017)

By: Luiz Wellington Pinto, Silvia Veloso Gandra, Matheus de Carvalho Alves, Isabel Gomes and Eduardo Back Sternick

Open Access

|Jul 2017

Figures & Tables

Characteristics of the implanted devices

Variables	Statistics
*Patients*
Gender
Female	30 (48.4%)
Male	32 (51.6%)
Age (years)	67.3 ± 14.7
BMI (kg/m²)	25.5 ± 4.2
Time of surgery (minutes)	60.5 ± 14.2
Amount of fluids during surgery (ml)	487.9 ± 223.4
Medications
Mean number	3.6 ± 1.8
Diuretics	30 (49.2%)
Glucocorticosteroids	2 (3.3%)
*Implanted devices*
Devices
PM	52 (83.9%)
ICD	7 (11.3%)
ICD + CRT	2 (3.2%)
CRT	1 (1.6%)
Generators
Etrinsa 8DR-T	31 (50%)
Endurity DR	15 (24.2%)
Ilesto 5DR-T	6 (9.7%)
Unify Quadra CRT-D	3 (4.8%)
Others^*	7 (11.3%)
RA leads
Safio S53	36 (60%)
Tendril STS 2088TC-58	14 (23.3%)
Optisense 1999-52	4 (6.7%)
Others^**	6 (10%)
RV leads
S60	36 (58.1%)
Tendril STS 2088TC-58	12 (19.4%)
Protego DS4	3 (4.8%)
Others^***	11 (17.7%)
LV leads
Quartet 1458Q-86	2 (66.7%)
Quickflex 1258T-86	1 (33.3%)
Pro-MRI	42 (67.7%)

Comparison of bioimpedance parameters post implantation by amount of fluids during surgery (right side)

BIA parameters	<500 ml(n=23)	≥500 ml(n=39)	P value
Phase angle (degree)	6.3 ± 1.8	7.5 ± 2.5	NS
Body capacitance (Pf)	681.4 ± 255.2	949.5 ± 509.3	0.04
Resistance (ohms)	531.7 ± 107.3	478.4 ± 125.8	NS
Reactance (ohms)	58.2 ± 17.5	60.6 ± 19.3	NS
Body cellular mass (%)	31.4 ± 7.3	35.3 ± 7.7	NS
Extracellular mass (%)	37.9 ± 7.8	36.6 ± 7.2	NS
Fat-free mass (%) (FFT)	69.3 ± 12.4	71.7 ± 9.4	NS
Fat mass (%)	28.2 ± 11.1	26.8 ± 9.3	NS
Intracellular water (%)	50.9 ± 10.6	55.3 ± 7.9	NS
Extracellular water (%)	45.4 ± 10.4	41.9 ± 10.8	NS
Total body water (%) (TBW)	34.1 ± 8.8	40.9 ± 9.8	0.02
TBW / FFT	74 ± 3.4	71.6 ± 10.7	NS
TBW / Body weight	52.6 ± 7.7	55.8 ± 9.4	NS

Comparison of bioimpedance parameters before and after cardiac device implantation on both sides

BIA parameters	Right side			Left side
	Pre implantation	Post implantation	P value	Pre implantation	Post implantation	P value
Phase angle (degree)	6.5 ± 1.4	6.7 ± 2.3	NS	6.4 ± 1.5	6.8 ± 2.2	NS
Body capacitance (Pf)	690.7 ± 257.8	750.4 ± 354.8	NS	677.2 ± 214.6	798 ± 421.6	0.013
Resistance (ohms)	535.8 ± 123.6	514 ± 101.8	0.018	532.6 ± 122	510.3 ± 117.5	0.024
Reactance (ohms)	66.8 ± 49.5	59.2 ± 18.4	NS	66.5 ± 50	59.4 ± 17.7	NS
Body cellular mass (%)	31.8 ± 7.3	33.8 ± 9.1	0.027	31.5 ± 6.5	33.8 ± 8	0.007
Extracellular mass (%)	37.1 ± 5.6	37.6 ± 7.1	NS	37.5 ± 5.9	37.7 ± 7.2	NS
Fat-free mass (%) (FFT)	68.9 ± 10.8	71.4 ± 9.9	<0.001	69 ± 10.4	71.5 ± 10	<0.001
Fat mass (%)	30.5 ± 9.6	27.3 ± 9	<0.001	29.8 ± 9.4	27.2 ± 9.3	<0.001
Intracellular water (%)	52.6 ± 9.2	53 ± 9.9	NS	52.2 ± 9.1	53.6 ± 9.4	NS
Extracellular water (%)	44.7 ± 8.7	44.8 ± 9.3	NS	45.6 ± 8.5	44.4 ± 10.2	NS
Total body water (%) (TBW)	36 ± 10.2	36.4 ± 9.1	NS	36.1 ± 10	36.9 ± 9.6	NS
TBW / FFT	73.3 ± 3.2	73.4 ± 2.6	NS	73 ± 3.5	73 ± 6.4	NS
TBW / Body weight	50.5 ± 8.4	52.9 ± 6.2	0.006	50.5 ± 8.5	54 ± 7.7	0.003

Comparison of bioimpedance parameters by body sides before and after cardiac device implantation

BIA parameters	Pre implantation			Post implantation
	Right side	Left side	P value	Right side	Left side	P value
Phase angle (degree)	6.5 ± 1.4	6.4 ± 1.5	NS	6.7 ± 2.3	6.8 ± 2.2	NS
Body capacitance (Pf)	690.7 ± 257.8	677.2 ± 214.6	NS	750.4 ± 354.8	798 ± 421.6	NS
Resistance (ohms)	535.8 ± 123,6	532,6 ± 122	NS	514 ± 101.8	510 ± 117.5	NS
Reactance (ohms)	66.8 ± 49.5	66.5 ± 50	NS	59.2 ± 18.4	59.4 ± 17.7	NS
Body cellular mass %	31.8 ± 7.3	31.5 ± 6.5	NS	33.8 ± 9.1	33.8 ± 8	NS
Extracellular mass %	37.1 ± 5.6	37.5 ± 5.9	NS	37.6 ± 7.1	37.7 ± 7.2	NS
Fat-free mass % (FFT)	68.9 ± 10.8	69 ± 10.4	NS	71.4 ± 9.9	71.5 ± 10	NS
Fat mass %	30.5 ± 9.6	29.8 ± 9.4	NS	27.3 ± 9	27.2 ± 9.3	NS
Intracellular water %	52.6 ± 9.2	52.2 ± 9.1	NS	53 ± 9.9	53.6 ± 9.4	NS
Extracellular water %	44.7 ± 8.7	45.6 ± 8.5	NS	44.8 ± 9.3	44.4 ± 10.2	NS
Total body water % (TBW)	36 ± 10.2	36.1 ± 10	NS	36.4 ± 9.1	36.9 ± 9.6	NS
TBW / FFT	73.3 ± 3.2	73 ± 3.5	NS	73.4 ± 2.6	73 ± 6.4	NS
TBW / Body weight	50.5 ± 8.4	50.5 ± 8.5	NS	52.9 ± 6.2	54 ± 7.7	NS

DOI: https://doi.org/10.5617/jeb.4760 | Journal eISSN: 1891-5469

Journal RSS Feed

Language: English

Page range: 60 - 65

Submitted on: May 21, 2017

Published on: Jul 14, 2017

Published by: University of Oslo

In partnership with: Paradigm Publishing Services

Publication frequency: 1 issue per year

Keywords:

cardioverter-defibrillator,

electromagnetic interference

Related subjects:

Bioengineering and biomedical engineering,

Biomedical electronics,

Biomedical engineering,

Spectroscopy and metrology

© 2017 Luiz Wellington Pinto, Silvia Veloso Gandra, Matheus de Carvalho Alves, Isabel Gomes, Eduardo Back Sternick, published by University of Oslo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Previous article Volume 8 (2017): Issue 1 (January 2017)Next article