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Longitudinal Stent Deformation: Insights Provided by Optical Coherence Tomography
Dinkar Bhasin, Anunay Gupta, Gaurav Kumar Arora
1Vardhman Mahavir Medical College and Safdarjung Hospital, New Delhi-110029, India. drhsisser@gmail.com.
The Journal of Invasive Cardiology
|August 2, 2021
Summary
Longitudinal stent deformation, a shortening or elongation after deployment, is an under-recognized complication. Forceful guidewire removal can cause this issue, affecting all stent types.
Area of Science:
- Cardiovascular interventions
- Medical device technology
- Interventional cardiology
Background:
- Longitudinal stent deformation (LSD) is a post-deployment stent issue.
- It involves shortening or elongation along the stent's axis.
- Incidence is reported up to 1% in imaging studies.
Observation:
- LSD is often under-recognized on standard angiography.
- Etiologies include guiding catheter or device damage (e.g., balloons, other stents).
- Wire entanglement is another contributing factor.
Findings:
- Deformation can occur across all available stent platforms.
- A specific case highlights forceful guidewire removal causing deformation.
- The guidewire was drawn into the Left Anterior Descending artery (LAD), deforming the stent.
Implications:
- Understanding LSD mechanisms is crucial for prevention.
- Awareness of this complication can improve patient outcomes.
- Further research into minimizing LSD during complex PCI is warranted.
Keywords:
bifurcation interventioncomplicationlongitudinal stent deformationoptical coherence tomographypercutaneous coronary interventionstent failureMore Related Videos
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