19/11/2025
Cleveland Clinic Abu Dhabi Performs UAE-first
Innovative Coronary Sinus Reducer Implant to Treat Refractory
Angina
● Breakthrough minimally invasive procedure offers new hope for patients with chronic
chest pain who have exhausted other treatments.
● Landmark achievement reinforces Cleveland Clinic Abu Dhabi’s leadership in complex coronary care.
Abu Dhabi, United Arab Emirates. November 19, 2025: In a breakthrough for cardiac care in the UAE, Cleveland Clinic Abu Dhabi has introduced the Coronary Sinus Reducer (CSR)
procedure to the UAE, offering new hope to patients suffering from refractory angina, a severe form of chronic chest pain.
Refractory angina occurs when patients with coronary artery disease continue to suffer from chest pain despite conventional therapies, including medications, Percutaneous Coronary Intervention (PCI, when a small balloon opens the blocked artery, and a stent is placed to keep it open for normal blood flow), or Coronary Artery Bypass Grafting (CABG, in which use a
A healthy vessel from the body to bypass the blockage and restore blood flow to the heart.
The condition, while not always immediately life-threatening, can significantly impair quality of life, restrict physical activity, and remain a major challenge for patients.
Led by Dr. Ronney Shantouf and Dr. Ashraf Al Azzoni, Staff Physicians within the
Cardiovascular Medicine Department of the hospital’s Heart, Vascular & Thoracic Institute, the
The milestone procedure was carried out in collaboration with visiting Professor Tommaso Gori, one
of Europe’s foremost experts in CSR implementation.
