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Home > About Us > Clinical Outcomes > PCI: Door-to-balloon time

PCI: Door-to-balloon time

Door-to-balloon time measures how long it takes before a heart attack patient receives primary percutaneous coronary intervention (PCI) or balloon angioplasty upon entering the door of the hospital.


It is an important quality measure as reducing door-to-balloon time saves time and lives. At present, the international standards developed by the American College of Cardiology (ACC) and the American Heart Association (AHA) states that hospitals should achieve a door-to-balloon time of 90 minutes or less.


From 2007 to 2017, NUHCS' Percutaneous Coronary Intervention (PCI): Median door-to-balloon time for patients decreased from 72 minutes to 45 minutes. Our median door-to-balloon time is calculated in minutes, either starting from the patient's arrival at the hospital to PCI in patients with ST elevation or Left bundle branch block (LBBB) on ECG performed closest to hospital arrival time.

NUHCS' median door-to-balloon times (in minutes) from 2007 to 2017