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Focal stent collapse in a patient with systemic sclerosis
L Di Francesco1, L Finci, B Reimers
1Centro Cuore Columbus, Milan, Italy.
Catheterization and Cardiovascular Diagnosis
|May 26, 1998
Summary
Systemic sclerosis patients may experience stent collapse after implantation. A subsequent stent successfully treated the collapse, suggesting radial force distribution and hyperplasia as potential causes.
Area of Science:
- Cardiovascular Medicine
- Rheumatology
- Interventional Cardiology
Background:
- Systemic sclerosis is a connective tissue disease that can affect blood vessels.
- Stent implantation is a common procedure for treating atherosclerotic stenosis.
- Complications following stent implantation can occur, particularly in patients with complex medical histories.
Observation:
- A patient with systemic sclerosis underwent successful beStent implantation.
- At follow-up, the patient developed angina due to focal stent collapse and hyperplasia.
- Ultrasound confirmed focal hyperplasia within and outside the collapsed beStent.
Findings:
- A secondary Palmaz-Schatz stent was successfully deployed within the collapsed beStent.
- Angiography at six months showed a good result after the secondary stenting.
- The primary beStent collapse was attributed to uneven radial force distribution and reactive hyperplasia.
Implications:
- This case highlights a unique complication of stent implantation in systemic sclerosis.
- Understanding the biomechanics of stent deployment and tissue response is crucial.
- Further research may elucidate optimal stenting strategies for patients with systemic sclerosis.