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Repeated balloon rupture during coronary stenting due to a calcified lesion: an intravascular ultrasound study
H Gilutz1, J M Weinstein, R Ilia
1Department of Cardiology, Soroka Medical Center, and the Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel. gilutz@bgumail.bgu.ac.il
Insights
Repeated balloon rupture during stent inflation in the left anterior descending artery was caused by a calcified ridge. Intravascular ultrasound identified this calcified protrusion as the cause of device failure.
Area of Science:
- Cardiovascular Interventions
- Medical Device Technology
- Interventional Cardiology
Background:
- Stent restenosis in the left anterior descending artery poses a significant clinical challenge.
- Balloon angioplasty is a common treatment for coronary artery disease.
- Recurrent device failure during stenting necessitates understanding underlying mechanisms.
Observation:
- A patient experienced three instances of balloon rupture during stent inflation.
- The affected artery was the left anterior descending artery, a critical coronary vessel.
- Restenosis was present within the previously stented segment.
Findings:
- Intravascular ultrasound (IVUS) revealed the cause of recurrent balloon rupture.
- A calcified ridge was identified protruding between the stent struts.
- This calcified ridge likely compromised balloon integrity during inflation.
Implications:
- Calcified lesions require careful pre-procedural assessment to prevent complications.
- Intravascular imaging is crucial for identifying complex lesion morphologies.
- Understanding mechanisms of device failure can improve interventional cardiology outcomes.
Abstract:
We describe a patient in whom balloon rupture occurred three times during inflation in a stent with restenosis in the left anterior descending artery. The cause of rupture was detected by intravascular ultrasound: a calcified ridge that protruded between the stent struts in the distal stent body.