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Percutaneous Coronary Intervention (PCI)

Coronary artery disease (CAD) is one of the commonest causes of death in Singapore. It can affect patients in the form of heart attacks (also known as ‘myocardial infarction’) and stable chest pain syndromes (‘stable angina’). While suitable patients with stable angina can be treated with medicines, patients with heart attack need emergency treatment. 

NHCS offers 24-hour coronary angioplasty, also known as percutaneous coronary intervention (PCI), to treat patients with heart attacks. In PCI, a special catheter is inserted into the heart (coronary) artery. This allows a very fine wire to be inserted in the artery. A balloon can then be advanced into the artery and across the blockage. The balloon is inflated once it has been placed into the narrowed area of the coronary artery. The inflation of the balloon compresses the fatty tissue in the artery and makes a larger opening inside the artery for improved blood flow. A stent (wire mesh tube) is then placed across the blockage to keep the artery open. PCI can also be used to treat patients with stable angina who continue to have symptoms despite medicines. 

With a strong team of highly experienced and well-trained interventional cardiologists, NHCS performed 2181 coronary angioplasty and stenting procedures in 2021. The mean mortality rate for non-emergency PCI at NHCS was 1.01% from 2012 to 2021.  

NHCS PCI Workload Chart

NHCS PCI Mortality Chart

  • 30-day mortality: Death occurs within 30 days of non-emergency PCI procedure performed.
  • The above data applied to Singapore residents only.
  • Data source: SCDB database