Key result
Left atrial volume index and expansion index were independent predictors of in-hospital adverse events, which occurred in 23% of patients with STEMI undergoing primary PCI.
Why the study?
The study aimed to evaluate left atrial function and its relationship with lesion severity and in-hospital outcomes in STEMI patients undergoing primary PCI.
Does left atrial functional assessment by echocardiography predict in-hospital adverse events in patients with STEMI undergoing primary PCI?
Cross-Sectional (n=135)
No
Does left atrial functional assessment by echocardiography predict in-hospital adverse events in patients with STEMI undergoing primary PCI?
Left atrial function assessed by echocardiography is a significant prognostic factor for the in-hospital course of STEMI patients undergoing primary PCI.
May refine in-hospital STEMI risk stratification; hypothesis-generating and requires prospective validation before practice change.
Background: Left atrial (LA) volumetric assessment by echocardiography remains a simple, non-invasive technique for left atrial functional assessment. Objective: The aim of the current work was to assess the left atrial function and its relation to the severity of the lesion in-hospital course in patients with ST-segment Elevation Myocardial Infarction(STEMI) undergoing Primary Percutaneous coronary intervention (PCI). Patients and Methods: This cross-sectional study included a total of 135 patients with acute STEMI, attending at Department of Cardiology, Zagazig University Hospitals. The included subjects were categorized into two groups; Group 1 included those, who developed adverse events. (31 patients “23%”), and Group 2: included patients with benign course. (104 patients “77%”). Coronary angioplasty as well as Echocardiography were done to all patients. Results: Regarding the echocardiographic parameters, there were significant differences between both study groups as regards Wall motion score index, left atrium volume index, Left atrium expansion index, LA total ejection fraction and E/e′ ratio. There was no significant difference between the two groups regarding LVEF. There was a high significant correlation between left atrial volume index and Wall Motion Score Index, Syntax score, Left atrium expansion index, LA total ejection fraction and E/e′ ratio. On a multivariate model for independent predictors for hospital adverse events were High syntax score, Left atrium volume index and Left atrium expansion index. Conclusion: It could be concluded that LA functions has high significant correlated with the severity of the lesion and a good prog nostic factor in hospital course of STEMI patients undergoing primary PCI.
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Abozied et al. (2022) conducted a cross-sectional in ST-segment Elevation Myocardial Infarction (STEMI) (n=135). Left atrial function (LA volume index, LA expansion index) vs. Normal left atrial function was evaluated on In-hospital adverse events. Left atrial volume index and expansion index were independent predictors of in-hospital adverse events, which occurred in 23% of patients with STEMI undergoing primary PCI.
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