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Case Report: Transient Complete Atrioventricular Block During Coronary Sinus Reducer Implantation: An Unexpected
Gianluca Pagnoni1, Alberto Monello1, Luca Rossi1
1Cardiology Unit of Emergency Department, Guglielmo da Saliceto Hospital, 29121 Piacenza, Italy.
Reports (MDPI)
|July 24, 2026
Summary
A rare complication, complete atrioventricular block, can occur during Coronary Sinus Reducer (CSR) implantation. Prompt recognition and temporary pacing support are crucial for managing this risk in high-risk patients.
Area of Science:
- Cardiology
- Interventional Cardiology
- Cardiac Electrophysiology
Background:
- The Coronary Sinus Reducer (CSR) offers a percutaneous treatment for refractory angina in patients ineligible for revascularization.
- CSR implantation generally has a favorable safety profile with few reported complications.
