Association between Interarm Systolic Blood Pressure Difference and Coronary Artery Disease in Patients Undergoing Elective Coronary Angiography

Document Type : Original Article

Authors

1 Cardiology Department, Faculty of Medicine, Zagazig University

2 Cardiology Department, Faculty of Medicine, Zagazig University, Egypt

3 M.B; B.CH.; Faculty of Medicine, Zawia University

4 Cardiology Departement,Faculty of Medicine, Zagazig University, Zagazig, Egypt

Abstract

Background: An elevated risk of cardiovascular events, such as stroke, coronary artery disease (CAD), and all-cause mortality, may be linked to interarm systolic blood pressure difference (IASBPD). In the present study, we aimed to detect accurate risk association of interarm systolic blood pressure difference with coronary artery disease among patients who underwent elective coronary angiography.

Methods: A total of 80 patients who underwent elective coronary angiography and their systolic blood pressure measurement was between 90 and 200 mmHg were included in this cross sectional study. Forty-one patients did not have significant coronary artery disease while 39 patients had it. We examined the relationship between coronary artery disease and IASBPD in this well-defined patient sample.

Results: Among studied patients, systolic blood pressure in the right arm was (130 ± 19.58 mmHg), in the left arm was (113.63 ± 19.81 mmHg), and inter-arm blood pressure difference was (15.88 ± 8.49 mmHg). Inter-arm blood pressure difference (IRBP Difference) did not differ significantly between patients with significant coronary artery disease and those without (16.67 ± 10.34 vs. 15.12 ± 6.27, P= 0.4192). Gender distribution showed notable disparities, with a higher percentage of males in the significant artery disease group compared to those without significant artery disease (89.74% vs. 58.54%, P<.05).

Conclusion: While we have observed significant gender-based disparities and a clear correlation between reduced ejection fraction and the incidence of significant artery disease, our study suggests that the predictive value of the inter-arm blood pressure difference in CAD patients appears limited

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Zagazig University Medical Journal
Volume 30, Issue 3
May and June 2024
Pages 970-977

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