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European Heart Journal 1992 13(Supplement E):15-21; doi:10.1093/eurheartj/13.suppl_E.15
Copyright © 1992 by the European Society of Cardiology.
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© 1992 The European Society of Cardiology

Left ventricular segmental volume by conductance catheter and Cine-CT

E. T. van Der.Velde*, A. D. van Dijk*, P. Steendijk*, L. Diethelm{dagger}, T. Chagas{dagger}, M. J. Lipton{dagger},*, S. A. Glanz{dagger} and J. Baan*

* The Department of Cardiology, University Hospital Leiden U.S.A.
{dagger} The Netherlands; The Department of Radiology, University of Chicago U.S.A.

Correspondence. Enno T. van der Velde, PhD, Department of Cardiology, University Hospital Leiden, C5-P, P.O. Box 9600, 2300 RC Leiden, The Netherlands

The ability of the conductance catheter method to measure left ventricular segmental and total volume was evaluated by comparison with the Cine-CT technique. In the seven dogs studied, 19 conductance catheter and simultaneous Cine-CT runs were obtained High correlation coefficients were found for total volume and segmental volumes, except in the basal segment. However, in most cases there was a significant variability in slope and intercept between animals.

Both methods are promising tools for estimating dynamic segmental left ventricular volume, each having specific advantages such as a continuous signal (conductance catheter) or anatomic detail (Cine-CT). However, the results also show the need for further improvement of both methods.

Key Words: Ventricular volume • conductance catheter • computed tomography


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