Electrical impedance measured changes in thoracic fluid content during thoracentesis

Research output: Contribution to journal › Journal article › Research › peer-review

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Electrical impedance measured changes in thoracic fluid content during thoracentesis. / Petersen, J R; Jensen, B V; Drabaek, H; Viskum, K; Mehlsen, J.

In: Clinical Physiology and Functional Imaging, Vol. 14, No. 4, 01.07.1994, p. 459-66.

Research output: Contribution to journal › Journal article › Research › peer-review

Harvard

Petersen, JR, Jensen, BV, Drabaek, H, Viskum, K & Mehlsen, J 1994, 'Electrical impedance measured changes in thoracic fluid content during thoracentesis', Clinical Physiology and Functional Imaging, vol. 14, no. 4, pp. 459-66.

APA

Petersen, J. R., Jensen, B. V., Drabaek, H., Viskum, K., & Mehlsen, J. (1994). Electrical impedance measured changes in thoracic fluid content during thoracentesis. Clinical Physiology and Functional Imaging, 14(4), 459-66.

Vancouver

Petersen JR, Jensen BV, Drabaek H, Viskum K, Mehlsen J. Electrical impedance measured changes in thoracic fluid content during thoracentesis. Clinical Physiology and Functional Imaging. 1994 Jul 1;14(4):459-66.

Author

Petersen, J R ; Jensen, B V ; Drabaek, H ; Viskum, K ; Mehlsen, J. / Electrical impedance measured changes in thoracic fluid content during thoracentesis. In: Clinical Physiology and Functional Imaging. 1994 ; Vol. 14, No. 4. pp. 459-66.

Bibtex

@article{39abdcc5c361459aa831cbab45a7ea5d,
title = "Electrical impedance measured changes in thoracic fluid content during thoracentesis",
abstract = "In patients (seven females and 11 males) with pleural effusion due to pulmonary (n = 13) or cardiac disease (n = 5) the change in baseline transthoracic impedance (Z0) was measured by electrical impedance (BoMed's NCCOM-3, 70 kHz) during thoracentesis. Data were obtained before and after withdrawal of each 500 ml, and at the end of the thoracentesis. We found a close linear correlation (r = 0.97) between changes in Z0 and the volume of aspirated pleural effusion (y = 0.415.x+0.093). The variability of the estimated thoracic fluid volumes was analysed with a plot of the residuals from the regression line, and we found that changes in thoracic fluid volume estimated by impedance technique would be within +/- 302 ml (= 2 SD). However, the absolute value of Z0 before thoracentesis could not differentiate the group of patients with pleural effusion from normal subjects (n = 28).",
author = "Petersen, {J R} and Jensen, {B V} and H Drabaek and K Viskum and J Mehlsen",
year = "1994",
month = jul,
day = "1",
language = "English",
volume = "14",
pages = "459--66",
journal = "Clinical Physiology and Functional Imaging",
issn = "1475-0961",
publisher = "Wiley-Blackwell",
number = "4",

}

RIS

TY - JOUR

T1 - Electrical impedance measured changes in thoracic fluid content during thoracentesis

AU - Petersen, J R

AU - Jensen, B V

AU - Drabaek, H

AU - Viskum, K

AU - Mehlsen, J

PY - 1994/7/1

Y1 - 1994/7/1

N2 - In patients (seven females and 11 males) with pleural effusion due to pulmonary (n = 13) or cardiac disease (n = 5) the change in baseline transthoracic impedance (Z0) was measured by electrical impedance (BoMed's NCCOM-3, 70 kHz) during thoracentesis. Data were obtained before and after withdrawal of each 500 ml, and at the end of the thoracentesis. We found a close linear correlation (r = 0.97) between changes in Z0 and the volume of aspirated pleural effusion (y = 0.415.x+0.093). The variability of the estimated thoracic fluid volumes was analysed with a plot of the residuals from the regression line, and we found that changes in thoracic fluid volume estimated by impedance technique would be within +/- 302 ml (= 2 SD). However, the absolute value of Z0 before thoracentesis could not differentiate the group of patients with pleural effusion from normal subjects (n = 28).

AB - In patients (seven females and 11 males) with pleural effusion due to pulmonary (n = 13) or cardiac disease (n = 5) the change in baseline transthoracic impedance (Z0) was measured by electrical impedance (BoMed's NCCOM-3, 70 kHz) during thoracentesis. Data were obtained before and after withdrawal of each 500 ml, and at the end of the thoracentesis. We found a close linear correlation (r = 0.97) between changes in Z0 and the volume of aspirated pleural effusion (y = 0.415.x+0.093). The variability of the estimated thoracic fluid volumes was analysed with a plot of the residuals from the regression line, and we found that changes in thoracic fluid volume estimated by impedance technique would be within +/- 302 ml (= 2 SD). However, the absolute value of Z0 before thoracentesis could not differentiate the group of patients with pleural effusion from normal subjects (n = 28).

M3 - Journal article

VL - 14

SP - 459

EP - 466

JO - Clinical Physiology and Functional Imaging

JF - Clinical Physiology and Functional Imaging

SN - 1475-0961

IS - 4

ER -

ID: 34073747