Key result
The transcardiac conductance method for continuous left ventricular volume measurement correlated well with biplane angiography in sheep (r = 0.77, p < 0.01).
Why the study?
Does the transcardiac conductance method accurately measure absolute left ventricular volume compared to biplane angiography in anesthetized sheep?
Does the transcardiac conductance method accurately measure absolute left ventricular volume compared to biplane angiography in anesthetized sheep?
The transcardiac conductance method provides continuous, on-line left ventricular volume signals that correlate well with angiography in a sheep model, though individual calibration is required.
Answers are grounded in this paper and cite their sources.
Supports continuous LV volumetry in ovine models; leaves open human validation and calibration.
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Staal et al. (2002) studied this question. Transcardiac conductance method vs. Biplane angiography was evaluated on Absolute left ventricular volume correlation (r = 0.77, p=<.01). The transcardiac conductance method for continuous left ventricular volume measurement correlated well with biplane angiography in sheep (r = 0.77, p < 0.01).
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