Population
7 intact dogs
Comparison
Conductance catheter measurement of left… vs Control conditions
Design
Preclinical
Authors
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Questions reliability of conductance catheters for absolute LV volumes across hemodynamics; leaves open ESPVR validity in animal models.
The assumption of constant parallel-conductance volume and slope factors for absolute LV volume measurement by conductance catheter is unrealistic over a wide hemodynamic range, calling into question its use for absolute end-systolic pressure-volume relation measurement.
Boltwood et al. (1989) studied this question.
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