Bioelectrical impedance analysis of body composition: influence of a newly implanted cardiac device
, , , y | 14 jul 2017
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Article Category: Articles
Publicado en línea: 14 jul 2017
Páginas: 60 - 65
Recibido: 21 may 2017
DOI: https://doi.org/10.5617/jeb.4760
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© 2017 Luiz Wellington Pinto, Silvia Veloso Gandra, Matheus de Carvalho Alves, Isabel Gomes, Eduardo Back Sternick, published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.
Characteristics of the implanted devices
| Variables | Statistics |
|---|---|
| Female | 30 (48.4%) |
| Male | 32 (51.6%) |
| 67.3 ± 14.7 | |
| 25.5 ± 4.2 | |
| 60.5 ± 14.2 | |
| 487.9 ± 223.4 | |
| Mean number | 3.6 ± 1.8 |
| Diuretics | 30 (49.2%) |
| Glucocorticosteroids | 2 (3.3%) |
| PM | 52 (83.9%) |
| ICD | 7 (11.3%) |
| ICD + CRT | 2 (3.2%) |
| CRT | 1 (1.6%) |
| 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%) |
| Safio S53 | 36 (60%) |
| Tendril STS 2088TC-58 | 14 (23.3%) |
| Optisense 1999-52 | 4 (6.7%) |
| Others** | 6 (10%) |
| S60 | 36 (58.1%) |
| Tendril STS 2088TC-58 | 12 (19.4%) |
| Protego DS4 | 3 (4.8%) |
| Others*** | 11 (17.7%) |
| Quartet 1458Q-86 | 2 (66.7%) |
| Quickflex 1258T-86 | 1 (33.3%) |
| 42 (67.7%) |
Comparison of bioimpedance parameters post implantation by amount of fluids during surgery (right side)
| BIA parameters | <500 ml | ≥500 ml | 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 | ||||||
|---|---|---|---|---|---|---|
| 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 | ||||||
|---|---|---|---|---|---|---|
| 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 |