Key result
In a sheep model (n=7), intra-aortic balloon pump resulted in iliac artery dilatation and stiffness reduction during control and acute heart failure states, requiring an intact endothelial layer.
Why the study?
Does IABP improve peripheral artery biomechanics in control and acute heart failure states, and is this dependent on the endothelium?
Population
Sheep (n=7) iliac arteries in control and acute heart failure (AHF) states
Comparison
1:2 Intra-aortic balloon pump (IABP) vs Baseline across four states: control with intact…
Design
Preclinical
Follow-up
acute
Authors
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Endothelium-dependent IABP vascular effects in sheep are hypothesis-generating; human translation in heart failure requires prospective study.
Does IABP improve peripheral artery biomechanics in control and acute heart failure states, and is this dependent on the endothelium?
The beneficial effects of IABP on peripheral artery biomechanics, including dilatation and reduced stiffness, require an intact endothelium.
Bia et al. (2011) studied Acute heart failure (n=7). Intra-aortic balloon pump (IABP) vs. Baseline (before IABP) and de-endothelialized arteries was evaluated on Arterial distensibility, elastic modulus, and conduit function. In a sheep model (n=7), intra-aortic balloon pump resulted in iliac artery dilatation and stiffness reduction during control and acute heart failure states, requiring an intact endothelial layer.
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