Key result
Primary percutaneous coronary intervention for acute myocardial infarction in an Angolan tertiary center was associated with a 2.42% mortality rate, with anterior infarction, diabetes, age ≥60 years, and final TIMI flow <III identified as independent predictors of unfavorable outcomes.
Why the study?
Coronary artery disease is increasing in Angola despite a lack of specific infrastructure, prompting this study to describe the experience of primary angioplasty for acute myocardial infarction at an Angolan tertiary care center.
Observational (n=165)
No
Primary percutaneous coronary intervention for STEMI is feasible in Angola, though delayed door-to-balloon times and specific risk factors like diabetes and anterior MI predict worse outcomes.
Answers are grounded in this paper and cite their sources.
Initial experience with primary PCI in Angola supports feasibility in resource-limited settings; leaves open questions on long-term outcomes and scalability.
Background: Coronary artery disease is a major public health concern worldwide. In Africa, varying rates of progression increased in different countries. In Angola, although the epidemiological scenario is dominated by infectious diseases, the prevalence of coronary artery disease is increasing with notable impacts, requiring the creation of mechanisms to face this reality in a country where lack of specific infrastructure is still a challenge. The objective of this study was to describe the experience of primary angioplasty in patients with acute myocardial infarction in an Angolan tertiary care center. Methods: This was a descriptive, longitudinal, retrospective study, involving 165 patients diagnosed with acute myocardial infarction between 2012 and 2019. Variables were age, sex, risk factors, angiographic and procedure-related characteristics, and main complications. Results: The mean age was 58.3±6.8 years, and males predominated (75.8%). Hypertension (69.7%), dyslipidemia (35.2%), smoking (32.7%) and diabetes (29.7%) were more prevalent. The anterior location was the predominant topography of infarction (49.7%). Single vessel disease was the most common pattern (50.9 %). The left anterior descending artery was the most often involved vessel (49.7%). The door-to-balloon time was 46.6±32.4 minutes. In the multivariate analysis, anterior myocardial infarction (p=0.033), diabetes (p=0.004), age ≥60 years (p≤0.001) and post-coronary intervention final TIMI flow Conclusion: Percutaneous coronary intervention in the context of acute myocardial infarction in Angola is a reality, but the number of procedures performed is not enough given the current great demand.
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Vicente et al. (2021) conducted an observational in ST-segment elevation myocardial infarction (STEMI) (n=165). Primary percutaneous coronary intervention was evaluated on Mortality. Primary percutaneous coronary intervention for acute myocardial infarction in an Angolan tertiary center was associated with a 2.42% mortality rate, with anterior infarction, diabetes, age ≥60 years, and final TIMI flow <III identified as independent predictors of unfavorable outcomes.
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