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Published on: November 26, 2013
Percutaneous coronary intervention versus fibrinolytic therapy in acute myocardial infarction: is timing (almost)
Brahmajee K Nallamothu1, Eric R Bates
1Division of Cardiovascular Medicine, Department of Internal Medicine, University of Michigan Medical School, Ann Arbor, Michigan 48109-0366, USA.
Insights
Primary percutaneous coronary intervention offers survival benefits for ST-elevation myocardial infarction patients. However, delays exceeding one hour in door-to-balloon time may negate these advantages compared to fibrinolytic therapy.
Area of Science:
- Cardiology
- Interventional Cardiology
- Emergency Medicine
Background:
- ST-segment elevation myocardial infarction (STEMI) is a critical condition requiring rapid treatment.
- Primary percutaneous coronary intervention (PCI) is a preferred reperfusion strategy for STEMI.
- Timely reperfusion is crucial for improving outcomes in STEMI patients.
Purpose of the Study:
- To evaluate the impact of door-to-balloon (DTB) time on the mortality benefit of primary PCI in STEMI.
- To compare the effectiveness of primary PCI with fibrinolytic therapy based on reperfusion times.
Main Methods:
- Retrospective analysis of STEMI patient data.
- Comparison of mortality rates between primary PCI and fibrinolytic therapy.
- Assessment of door-to-balloon time and door-to-needle time.
Main Results:
- A delay in DTB time of >1 hour for primary PCI may diminish its survival advantage over fibrinolytic therapy.
- Achieving short DTB times is essential to realize the full benefits of primary PCI.
Conclusions:
- Interventional cardiology teams must optimize DTB times to ensure the efficacy of primary PCI.
- Adherence to recommended DTB times is critical for maximizing patient survival in STEMI.
Abstract:
The mortality benefit associated with primary percutaneous coronary intervention in ST-segment elevation myocardial infarction may be lost if door-to-balloon time is delayed by >1 hour as compared with fibrinolytic therapy door-to-needle time. Interventional cardiology laboratories endeavoring to achieve the benefits of primary percutaneous coronary intervention seen in randomized clinical trials should aim to match their short door-to-balloon times.
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