Prediction of quantitative intrathoracic fluid volume to diagnose pulmonary oedema using LabVIEW

Shabana Urooj, M. Khan, Akhtar Ansari, Aimé Lay-Ekuakille and Ashok Salhan

Computer Methods in Biomechanics and Biomedical Engineering, 2012, vol. 15, issue 8, 859-864

Abstract: Pulmonary oedema is a life-threatening disease that requires special attention in the area of research and clinical diagnosis. Computer-based techniques are rarely used to quantify the intrathoracic fluid volume (IFV) for diagnostic purposes. This paper discusses a software program developed to detect and diagnose pulmonary oedema using LabVIEW. The software runs on anthropometric dimensions and physiological parameters, mainly transthoracic electrical impedance (TEI). This technique is accurate and faster than existing manual techniques. The LabVIEW software was used to compute the parameters required to quantify IFV. An equation relating per cent control and IFV was obtained. The results of predicted TEI and measured TEI were compared with previously reported data to validate the developed program. It was found that the predicted values of TEI obtained from the computer-based technique were much closer to the measured values of TEI. Six new subjects were enrolled to measure and predict transthoracic impedance and hence to quantify IFV. A similar difference was also observed in the measured and predicted values of TEI for the new subjects.

Date: 2012
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DOI: 10.1080/10255842.2011.565054

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