Key result
Side-branch balloon dilation through stents causes distortion in rabbit models despite good angiographic results.
Why the study?
The compromise of side-branches following coronary angioplasty of the parent vessel remains a limitation, and the effects of dilation through a Palmaz-Schatz stent on stent geometry are not well characterized.
Does side-branch balloon dilation through a Palmaz-Schatz stent cause stent distortion in a rabbit model?
Population
7 rabbits with Palmaz-Schatz stents at the aortoiliac bifurcation
Comparison
Balloon dilation of contralateral iliac artery through the stent
Design
Preclinical experimental study in a rabbit model
Authors
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May mislead operators relying on angiography after side-branch dilation; leaves open clinical relevance in humans.
Does side-branch balloon dilation through a Palmaz-Schatz stent cause stent distortion in a rabbit model?
Balloon dilation through a Palmaz-Schatz stent causes significant geometric distortion despite appearing angiographically successful, which may negatively impact outcomes.
Pomerantz et al. (1997) studied Stent distortion following side-branch balloon dilation (n=7). Side-branch balloon dilation through a Palmaz-Schatz stent was evaluated on Distortion of stent geometry. Side-branch balloon dilation through a Palmaz-Schatz stent in a rabbit model caused varied degrees of stent distortion on gross pathologic analysis despite good angiographic results.
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