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Intracoronary stent placement proximal to a myocardial bridge: immediate and long-term results
I P Antonellis1, S P Patsilinakos, C A Pamboukas
1Invasive Cardiology Unit, Evangelismos Hospital, Athens, Greece.
Insights
Stenting near myocardial bridges is challenging but safe. Despite initial complications, patients showed favorable long-term outcomes, suggesting potential for this intervention in select cases.
Area of Science:
- Cardiology
- Interventional Cardiology
- Vascular Biology
Background:
- Myocardial bridges pose challenges for intracoronary stent placement.
- Abnormal coronary flow, endothelial dysfunction, and thrombogenicity are concerns.
Purpose of the Study:
- To evaluate the safety and long-term outcomes of stent implantation proximal to myocardial bridges.
Main Methods:
- Case series describing 4 patients undergoing stent implantation proximal to a myocardial bridge.
Main Results:
- Complications were observed post-procedure in all cases.
- Patients remained asymptomatic with negative exercise tests at 8.5 months.
- Favorable long-term results were achieved despite initial concerns.
Conclusions:
- Stent placement proximal to myocardial bridges can be safe with favorable long-term outcomes.
- Further large-scale studies are needed to confirm these findings.
Abstract:
The intracoronary stent placement in a lesion proximal to a myocardial bridge is of special importance and is considered to be a challenge for the interventional cardiologist. In this study 4 cases of stent implantation proximal to a coronary bridged segment are described. In all cases complications were observed after the procedure. The patients remained free of symptoms and the exercise TI201 test was negative for ischemia 8.5+/-2.6 months later. Although there is skepticism because of the abnormal coronary flow pattern, the endothelial dysfunction and the subsequent thrombogenicity, the stent placement proximal to a myocardial bridge was safe and with favorable long term results in all 4 cases. However, further studies in large populations are necessary.
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