Related Experiment Videos
Stenting for coronary artery spasm
Shailesh Khatri1, John G Webb, Ronald G Carere
1John Flynn Hospital, Gold Coast, Queensland, Australia.
Insights
Coronary stenting effectively managed severe coronary artery spasm in select patients refractory to medication. While restenosis occurred in some, stenting offered a valuable option when medical therapy fails for focal coronary artery spasm.
Area of Science:
- Cardiology
- Interventional Cardiology
Background:
- Coronary artery spasm can cause severe symptoms and is typically managed with pharmacologic therapy.
- Refractory cases pose a clinical challenge, necessitating evaluation of alternative treatment strategies.
Purpose of the Study:
- To assess the efficacy and safety of coronary stenting in patients with severe coronary artery spasm unresponsive to aggressive medical management.
Main Methods:
- A cohort of nine patients with severe, angiographically confirmed coronary artery spasm refractory to pharmacologic treatment underwent coronary stenting.
- Outcomes including recurrent spasm, ischemia, and restenosis were monitored post-procedure.
Main Results:
- No patients experienced recurrent spasm within the stent leading to hospitalization for unstable ischemia.
- Therapeutic failure occurred in one patient due to persistent spasm or spasm in a different artery.
- Restenosis was observed in three patients, requiring repeat revascularization.
Conclusions:
- Coronary stenting can be an effective adjunct therapy for carefully selected patients with focal coronary artery spasm that is refractory to medical treatment.
- Medical therapy remains the primary and standard initial approach for managing coronary artery spasm.
Abstract:
We evaluated coronary stenting in nine patients with clinically severe, angiographically documented spasm refractory to aggressive pharmacologic management. No patient subsequently developed unstable ischemia requiring hospitalization as a consequence of recurrent spasm within the stent. Mechanisms of therapeutic failure included both persistent spasm and spasm in a different artery in one patient. Restenosis occurred in three patients who subsequently underwent repeat revascularization. In the rare, carefully selected patient, stents may represent an adjunct in the management of focal coronary artery spasm, although currently medical therapy remains the standard initial approach.