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J. Grygier

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Open access Oct 2026

Safety and efficacy of coronary sinus narrowing for treating refractory angina in real-world setting - single center experience

Refractory angina affects patients who remain symptomatic despite optimal medical therapy and for whom further revascularization is not feasible. Therapeutic options for this population are limited. The coronary sinus reducer (CSR) has emerged as a device-based treatment aimed at improving symptoms and functional...

J. Grygier, M. Grygier, M. Lesiak et al. · 0 citations

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