Key result
The average door-to-balloon time for STEMI patients transferred by pre-hospital emergency services to three hospitals in Tehran was 104.6 minutes.
Why the study?
PPCI is the suggested treatment for STEMI coronary reperfusion, but the contribution of pre-hospital and hospital emergency systems to PPCI interval times required evaluation.
Cross-Sectional (n=121)
Yes
The average door-to-balloon time for STEMI patients transferred by EMS in Tehran was 104.6 minutes, highlighting a delay compared to the standard 90-minute guideline target.
Pre- and in-hospital delays for STEMI PPCI in Tehran may vary by system; leaves open targeted quality-improvement trials.
BACKGROUND: The suggested treatment for patients with ST-segment elevation is the Primary Percutaneous Coronary Intervention (PPCI) for coronary reperfusion. This study aimed to evaluate the contribution of pre-hospital and hospital emergency systems in the interval time for PPCI among patients with the ST-segment elevation myocardial infarction (STEMI) in selected hospitals of Tehran city. MATERIALS AND METHODS: This cross-sectional study was carried out on patients with typical chest pain transferred to the emergency wards of three large general hospitals in Tehran city by Emergency Medical Services. They received the PPCI. The information about admission time to the triage, time of conducting electrocardiography (ECG), diagnosis time of STEMI, and time of the PPCI were recorded and analyzed using descriptive and inferential statistics. RESULTS: In this study, 121 patients were evaluated, and of which 94 (77.68%) were men and 27 (22.32%) were women. The average time (SD) of patient admission in the triage until to receive the PPCI (door-to-balloon) was 104.60 (62.30) min. CONCLUSIONS: The door-to-balloon time was 104.60 min. If ECG is taken by pre-hospital emergency nursing staff and diagnosis of STEMI is performed by the pre-hospital emergency service, and the patient is delivered directly to the angiography department, the door-to-balloon time is significantly reduced.
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Pournorooz et al. (2019) conducted a cross-sectional in ST-segment elevation myocardial infarction (STEMI) (n=121). Pre-hospital emergency system transfer was evaluated on Door-to-balloon time. The average door-to-balloon time for STEMI patients transferred by pre-hospital emergency services to three hospitals in Tehran was 104.6 minutes.
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