Key result
During the Stent for Life initiative in Portugal, the proportion of STEMI patients calling 112 increased from 35.2% in 2011 to 49.6% in 2020 (p=0.005), though total ischemic time also increased.
Why the study?
Despite public awareness campaigns and system educational programmes, patient and system delay did not change significantly over the Stent for Life Initiative in Portugal.
Observational (n=1,381)
Yes
Absolute Event Rate: 49.6% vs 35.2%
p-value: p=0.005
While public awareness campaigns improved the proportion of STEMI patients calling emergency services, total ischemic time did not improve and worsened during the Covid-19 pandemic.
BACKGROUND: During Stent for Life Initiative in Portugal lifetime, positive changes in ST elevation myocardial infarction treatment were observed, by the increase of Primary Angioplasty numbers and improvements in patients' behaviour towards myocardial infarction, with an increase in those who called 112 and the lower proportion attending non primary percutaneous coronary intervention centres. Despite public awareness campaigns and system educational programmes, patient and system delay did not change significantly over this period. The aim of this study was to address the public awareness campaign effectiveness on peoples' behaviour facing STEMI, and how Covid-19 has affected STEMI treatment. METHODS: Data from 1381 STEMI patients were collected during a one-month period each year, from 2011 to 2016, and during one and a half month, matching first lockdown in Portugal 2020. Four groups were constituted: Group A (2011); Group B (2012&2013); Group C (2015&2016) and group D (2020). RESULTS: The proportion of patients who called 112, increased significantly (35.2% Group A; 38.7% Group B; 44.0% Group C and 49.6% Group D, p = 0.005); significant reduction was observed in the proportion of patients who attended healthcare centres without PPCI (54.5% group A; 47.6% Group B; 43.2% Group C and 40.9% Group D, p = 0.016), but there were no differences on groups comparison. Total ischemic time, measured from symptoms onset to reperfusion increased progressively from group A [250.0 (178.0-430.0)] to D [296.0 (201.0-457.5.8)] p = 0.012, with statistically significant difference between group C and D (p = 0.034). CONCLUSIONS: During the term of SFL initiative in Portugal, patients resorted less to primary health centres and called more to 112. These results can be attributed the public awareness campaign. Nevertheless, patient and system delays did not significantly change over this period, mainly in late years of SFL, probably for low efficacy of campaigns and in 2020 due to Covid-19 pandemic.
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Pereira et al. (2023) conducted an observational in ST elevation myocardial infarction (STEMI) (n=1,381). Public awareness campaigns and time period (2012-2020) vs. Baseline period (2011) was evaluated on Proportion of patients who called 112 (p=0.005). During the Stent for Life initiative in Portugal, the proportion of STEMI patients calling 112 increased from 35.2% in 2011 to 49.6% in 2020 (p=0.005), though total ischemic time also increased.
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