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Updated: Jul 31, 2026
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Monitoring the Wall Mechanics During Stent Deployment in a Vessel
Published on: May 8, 2012
Successful redeployment of an unexpanded coronary stent
J G McGinnity1, J J Glazier, J R Spears
1Department of Medicine, Harper Hospital/Wayne State University School of Medicine, Detroit, Michigan 48201, USA.
Catheterization and Cardiovascular Diagnosis
|May 26, 1998
Summary
Incomplete Palmaz-Schatz stent deployment can occur if the delivery sheath advances. This case demonstrates that successful stent redilation is possible, though technically challenging, restoring blood flow.
Area of Science:
- Cardiovascular Interventions
- Medical Device Technology
- Interventional Cardiology
Background:
- Palmaz-Schatz stents are commonly used in coronary interventions.
- Successful stent deployment is crucial for restoring blood flow and achieving optimal clinical outcomes.
Observation:
- A case of incomplete distal Palmaz-Schatz stent deployment due to inadvertent advancement of the delivery sheath is reported.
- The incomplete deployment was initially unrecognized, leading to an unstable patient course.
Findings:
- Repeat coronary angiography allowed for re-access and successful re-dilation of the under-deployed stent.
- Restoration of TIMI grade 3 flow was achieved after successful stent deployment.
Implications:
- Recognizing and managing inadvertent stent delivery sheath advancement is critical to prevent incomplete stent deployment.
- While technically difficult, crossing and re-dilating an under-deployed stent is a feasible salvage strategy.
