Calibration capacity of the conductance-to-volume conversion equations for the mouse conductance catheter measurement system

Chia Ling Wei, Ming Hsien Shih

研究成果: Article同行評審

14 引文 斯高帕斯(Scopus)

摘要

The conductance catheter system is used to measure instantaneous ventricular conductance, and real-time ventricular volume is then determined by converting the measured conductance to volume. Two conductance-to-volume conversion equations for the conductance catheter system have been proposed: Baans linear equation and Weis nonlinear equation. In fact, the accuracy of this volume estimation method is limited by several factors, such as the catheter position deviation. The effects of the mouse catheter position deviations on the volumeconductance relationships are investigated with cylindrical finite-element models and mouse left ventricular models. The accuracy and calibration capacity of the two conversion equations for estimating volume are evaluated and compared. According to the comparison results, the performance of the nonlinear conversion equation is better.

原文English
文章編號4797864
頁(從 - 到)1627-1634
頁數8
期刊IEEE Transactions on Biomedical Engineering
56
發行號6
DOIs
出版狀態Published - 2009 六月

All Science Journal Classification (ASJC) codes

  • 生物醫學工程

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