Key result
Carotid artery screening in 3,000 high-risk asymptomatic individuals identified severe (≥70%) carotid stenosis in 1.76% of patients, facilitating early targeted revascularization and medical therapy.
Why the study?
Asymptomatic severe carotid stenosis has higher prevalence in comorbid individuals, making screening important for early diagnosis and stroke prevention in high-risk patients.
Does bilateral carotid artery screening by Duplex Ultrasonography identify severe carotid artery stenosis in high-risk asymptomatic individuals over age 55?
Observational (n=3,000)
No
Does bilateral carotid artery screening by Duplex Ultrasonography identify severe carotid artery stenosis in high-risk asymptomatic individuals over age 55?
Carotid screening in high-risk asymptomatic individuals over 55 years old identified severe carotid stenosis in a small percentage of patients, allowing for early intervention and risk factor modification.
Answers are grounded in this paper and cite their sources.
Warrants caution against routine screening; leaves open targeted strategies and outcome trials in high-risk asymptomatic adults.
The primary aims of the study to evaluate the efficacy of carotid screening tests to identify asymptomatic carotid artery stenosis among high-risk patients and early prevention of stroke. Background: The estimated prevalence of asymptomatic severe carotid stenosis (70%) in the general adult population ranges up to 3.1%. However, the prevalence is higher in comorbid individuals. This makes it important to perform screening testing for early diagnosis and treatment in predetermined high-risk patients. Material and methods: In this prospective study, 3000 selected patients screened during March 2017 and September 2018 at the most populated family health center. Participants selected among registered individuals who have at least one of the risk factors such as hypertension, hyperlipidemia, diabetes mellitus, obesity, and smoking. All the participants were asymptomatic and above the age of 55. Bilateral carotid artery screening performed by Duplex Ultrasonography (DUSG) at the first call and one year later. Patients with severe carotid and/or coronary artery stenosis treated by surgical revascularization or stent implantation in the light of the latest guidelines. Conclusion: Carotid screening among high-risk asymptomatic individuals is of great importance to identify severe carotid artery as well as coronary artery stenosis. Patient education during screening may play a crucial role in preventing the disease.
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Onur-Beyaz et al. (2023) conducted an observational in Asymptomatic high cardiovascular risk (n=3,000). Carotid artery screening by Duplex Ultrasonography was evaluated on Detection of severe (≥70%) carotid artery stenosis. Carotid artery screening in 3,000 high-risk asymptomatic individuals identified severe (≥70%) carotid stenosis in 1.76% of patients, facilitating early targeted revascularization and medical therapy.
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