Assessment of the Multi-Link Frontier Stent in Heart Samples
Author Information
Author(s): Kralev Stefan, Haag Benjamin, Spannenberger Jens, Lang Siegfried, Brockmann Marc A., Bartling Soenke, Marx Alexander, Haase Karl-Konstantin, Borggrefe Martin, Süselbeck Tim
Primary Institution: University of Heidelberg, Mannheim, Germany
Hypothesis
The study aims to assess the expansion of the Multi-Link Frontier stent in human and porcine coronary arteries.
Conclusion
Micro-CT is a feasible tool for assessing dedicated stent systems, revealing that the proximal diameter and area of the stent were smaller in human samples compared to porcine samples.
Supporting Evidence
- The proximal stent diameters in human hearts were significantly smaller than in porcine hearts.
- The mean stent length in human hearts was smaller than in porcine hearts.
- Micro-CT provided precise measurements of stent expansion.
- The study suggests careful stent deployment to avoid malapposition.
- The findings may help improve stent design and deployment strategies.
Takeaway
The study looked at how well a special heart stent expands in human and pig hearts, finding that it doesn't expand as much in human hearts.
Methodology
Nine stents were implanted in human autopsy hearts and five in porcine hearts, with measurements taken using micro-CT.
Limitations
Postmortem vessel wall resistance and the limited number of available autopsy heart samples might have influenced the data.
Participant Demographics
Seven human autopsy heart samples with known coronary artery disease and five porcine heart samples.
Statistical Information
P-Value
p=0.048; p=0.034; p=0.014; p=0.015; p=0.32
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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