ISSN 2149-2263 | E-ISSN 2149-2271
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Association Between Admission Systolic Blood Pressure and Cardiovascular Events in Acute Myocardial Infarction Patients with Different Left Ventricular Ejection Fractions [Anatol J Cardiol]
Anatol J Cardiol. 2023; 27(12): 720-729 | DOI: 10.14744/AnatolJCardiol.2023.3247

Association Between Admission Systolic Blood Pressure and Cardiovascular Events in Acute Myocardial Infarction Patients with Different Left Ventricular Ejection Fractions

Hui Qiu1, Yanguo Xin1, Weiping Li1, Man Wang1, Yue Zhang1, Hui Chen1, Hongwei Li2
1Department of Cardiology, Cardiovascular Center, Beijing Friendship Hospital, Capital Medical University, Beijing, China
2Department of Cardiology, Cardiovascular Center, Beijing Friendship Hospital, Capital Medical University, Beijing, China; Beijing Key Laboratory of Metabolic Disorder Related Cardiovascular Disease, Beijing, China

Background: Among patients with acute heart failure, left ventricular ejection fraction (LVEF) is closely related with admission blood pressure. However, it is unclear whether the systolic blood pressure is associated with the LVEF in acute myocardial infarction (AMI) patients. we evaluated the predictive value of admission SBP in AMI patients with different LVEF status.

Methods: Data were from our hospital database bank. 4114 patients were included in this analysis. Patients were divided into 2 groups according to their LVEF in the first echocardiography record after admission. Patients were categorized into 4 groups (SBP 90-99 mm Hg, SBP 100-119 mm Hg, SBP 120-139 mm Hg, and SBP ≥140 mm Hg) based on SBP level at admission.

Results: The mean age was 64.9 ± 12.5 years and 28% were female. For patients of LVEF < 50% in the lowest SBP group (SBP 90-99 mm Hg), the incidence of in-hospital cardiovascular death was significantly higher than other SBP groups (reference: SBP 90-99 mm Hg) (adjusted OR = 0.267, 95% CI: 0.113-0.728 for SBP 120-139 mm Hg, P =.004 and OR = 0.241, 95% CI: 0.089-0.651 for SBP ≥ 140 mm Hg, P =.005). Patients of LVEF ≥50% in the highest SBP group (SBP ≥ 140 mm Hg) were at higher risk of cardiogenic mortality during long-term follow-up (reference: SBP ≥140 mm Hg) (adjusted HR = 0.313, 95% CI: 0.489-0.962 for SBP 100-119 mm Hg, P <.001, HR = 0.701, 95% CI: 0.488-0.987 for SBP 120-139 mm Hg, P =.003, and HR = 0.554, 95% CI: 0.198-0.837 for SBP 90-99 mm Hg, P =.001).

Conclusion: SBP 90-99 mm Hg were associated with increased in-hospital cardiovascular death in AMI population with LVEF < 50%, and SBP > 140 mm Hg were associated with increased long-term cardiovascular death in AMI subjects with LVEF >50%.

Keywords: Blood pressure, acute myocardial infarction, left ventricular ejection fractions, cardiovascular events

Hui Qiu, Yanguo Xin, Weiping Li, Man Wang, Yue Zhang, Hui Chen, Hongwei Li. Association Between Admission Systolic Blood Pressure and Cardiovascular Events in Acute Myocardial Infarction Patients with Different Left Ventricular Ejection Fractions. Anatol J Cardiol. 2023; 27(12): 720-729

Corresponding Author: Hongwei Li
Manuscript Language: English


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