Reduction of Door-to-balloon Time in Patients with ST-elevation Myocardial Infarction by Single-catheter Primary Percutaneous Coronary Intervention Method
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Objectives: The objectives of this study is to confirm reduction of door-to-balloon (D2B) time with single-catheter percutaneous coronary intervention (SC-PCI) method.
Background: Reduction of total ischemic time is important in the emergency treatment of ST-elevation myocardial infarction (STEMI). There have been no established methods in primary percutaneous coronary intervention (PCI) to shorten ischemic time via radial access. Ikari left curve was reported as a universal guiding catheter for left and right coronary arteries. Several procedure steps can be skipped by SC-PCI method as the advantage of a universal catheter.
Methods: This study is a retrospective analysis of a total of 1,275 consecutive STEMI cases treated with primary PCI in 14 hospitals. Patients were divided into two groups, SC-PCI method (n = 298) and conventional PCI method (n = 977). Primary endpoints were door-to-balloon (D2B) time and radiation exposure dose.
Results: The mean age was 68 ± 13 years old. Radial access was used in 85% of participants. PCI success was achieved in 99.5% of participants and the SC-PCI method was successfully performed in 92.6%. The D2B time was shorter (68 ± 46 vs. 74 ± 50 min, respectively; p = .02), and the radiation exposure dose was lower (1,664 ± 970 vs. 2008 ± 1,605 mGy, respectively; p < .0001) in the SC-PCI group than in the conventional group.
Conclusion: Primary PCI with SC-PCI method for patients with STEMI demonstrated shorter D2B time and lower radiation exposure dose.
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