Low Ankle Brachial Index in Acute Ischemic Stroke: Does ApoE Gene Polymorphism Have a Role?

Shaimaa El-Jaafary, Mohamed El-Tamawy, Hassan Hosny, Mona Fathy, Ehab Shaker, Foad Abd-Allah^*

Faculty of Medicine, Cairo University, Cairo, Egypt.

DOI: 10.4236/wjcd.2015.52006                

Abstract

Background: The existence of asymptomatic peripheral arterial disease among patients with acute ischemic stroke has been studied and proved. Low ankle brachial index (ABI) is considered as a marker of atherosclerosis, and its relation to stroke severity was documented in some studies. The effect of different alleles of ApoE gene on acute ischemic stroke presentation in patients with low ABI is not known. Objective: To study the effect of ApoE gene polymorphism on stroke severity, outcome and recurrence in patients with asymptomatic peripheral arterial disease identified by low ABI. Methods: Patients with acute ischemic stroke were screened for the presence of asymp-tomatic peripheral arterial disease by estimating the ABI using a pocket Doppler ultrasound device. Assay of ApoE gene was done using the real-time PCR technique. Results: Low ABI was present in 31% of patients with acute ischemic stroke. There was no significant difference among patients with different ApoE alleles regarding the severity of their symptoms. Also, there was no significant difference among patients with normal ABI and those with abnormal ABI regarding the ApoE gene polymorphism. Conclusion: The current study showed that there was no significant relation between ApoE gene polymorphism and low ABI in ischemic stroke patients who had asymptomatic peripheral arterial disease.

Keywords

Peripheral Arterial Disease, ABI, Acute Ischemic Stroke, ApoE Gene Polymorphism

Conflicts of Interest

The authors declare no conflicts of interest.

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