Very delayed coronary stent fracture: A case report.

Area of Science:

• Cardiology
• Biomedical Engineering

Background:

• Stent fracture is an increasingly recognized complication of coronary stents.
• Multiple risk factors contribute to stent fractures, including vessel anatomy, stent characteristics, and deployment techniques.

Purpose of the Study:

• To report a case of coronary stent fracture.
• To discuss potential risk factors associated with stent fracture in a clinical scenario.

Main Methods:

• Case report of a 40-year-old male patient.
• Review of patient history including prior stent implantation and presenting symptoms.

Main Results:

• The patient presented with progressive chest pain.
• The patient had two overlapping Cypher stents implanted in the mid left anterior descending artery two years prior.

Conclusions:

• Overlapping stents, particularly specific types like Cypher stents, may increase the risk of fracture.
• Mechanical stress in mobile arterial segments can lead to late stent fracture and adverse clinical events.