scholarly journals A STUDY ON PREVALENCE OF CAROTID ARTERY STENOSIS IN ACUTE ISCHAEMIC STROKE PATIENTS

2016 ◽  
Vol 5 (103) ◽  
pp. 7559-7565
Author(s):  
Kamatchi Karunanidhi ◽  
Dhurgesa Nanthini Vijaya Sundaram ◽  
Murugarajan Singaram
Keyword(s):  
Carotid Artery ◽  
Ischaemic Stroke ◽  
Acute Ischaemic Stroke ◽  
Carotid Artery Stenosis ◽  
Artery Stenosis ◽  
Stroke Patients

A Study on First Ischaemic Stroke Patients for Prevalence of Extracranial Carotid Artery Stenosis and Risk Factors: Our Experience in Northeast India and Review of Literature

2020 ◽  
pp. 875647932096916
Author(s):  
Prabuddha J. Das ◽  
Sanjeev K. Handique ◽  
Baijayanta Saharia
Keyword(s):  
Risk Factors ◽  
Carotid Artery ◽  
Ischaemic Stroke ◽  
Carotid Artery Stenosis ◽  
Northeast India ◽  
Artery Stenosis ◽  
Stroke Patients ◽  
Focal Neurological Deficit ◽  
Extracranial Carotid Artery ◽  
High Prevalence

Objective: To assess the prevalence of carotid artery stenosis and risk factors in stroke patients of northeast India. This is a prospective hospital-based study on 157 first ischaemic stroke patients of the region. Method: A total of 157 patients presenting with first ever sudden onset focal neurological deficit lasting for more than 24 hours due to acute ischaemic brain infarction were selected, after excluding other causes of focal neurological deficit by imaging. All extracranial carotid arteries were evaluated with carotid ultrasonography. Forty-four patients also had computed tomography (CT) angiography of intracranial and extracranial arteries. Risk factors of stroke were recorded for each patient. Results: Only 8.92% patients had significant extracranial carotid artery stenosis. There was high prevalence of intracranial artery stenosis compared to extracranial artery stenosis in patients who had CT angiography. There was high prevalence of hypertension, dyslipidemia, and diabetes. Increased age and male sex were important factors associated with first ischaemic stroke. Conclusion: The prevalence of significant extracranial carotid artery stenosis is low in northeast Indian patients with first ischaemic stroke, indicating that it is not a major cause of ischaemic stroke in this population. There may be high prevalence of intracranial artery stenosis compared to extracranial artery stenosis.

scholarly journals A study on prevalence of carotid artery stenosis in acute ischaemic stroke patients in Amalapuram, Andhra Pradesh, India

2019 ◽  
Vol 7 (6) ◽  
pp. 2146
Author(s):  
Bonthu Mamatha Bharathi ◽  
Raveena Gullapalli
Keyword(s):  
Risk Factor ◽  
Carotid Artery ◽  
Ischaemic Stroke ◽  
Carotid Stenosis ◽  
Carotid Artery Stenosis ◽  
Acute Onset ◽  
Artery Stenosis ◽  
Doppler Study ◽  
Diastolic Velocity ◽  
Asymptomatic Patients

Background: Extra cranial carotid disease due to arteriosclerosis is usually associated with hypercholesterolemia and hyperlipidemia. Extra cranial carotid stenosis has been found to be less prevalent in black American and in Egyptians while intracranial disease is far more common Various methods includes transcranial doppler (TCD) ultrasonography, cerebral angiography, computed tomography angiography (CTA) and magnetic resonance angiography (MRA).Methods: All patients with ischaemic stroke of acute onset admitted in the medical wards of Konaseema institute of medical sciences between June 2018 and January 2019 were included in the study. All patients were subjected to CT scan brain study and colour Doppler study of extra cranial carotid arteries and vertebral arteries. Systolic and diastolic velocity of blood flow, carotid intimal medial thickness, presence of athermanous plaque and thrombus was looked for and then the percentage of stenosis of the affected arteries was calculated.Results: In the present study 0ut of 23 patients with carotid stenosis 9 patients had mild carotid stenosis, 8 patients had moderate stenosis and 6 patients had severe stenosis. Out of 23 patients with carotid stenosis the 11 patients have stenosis in the right carotid and 12 patients had stenosis in the left side. The site of stenosis is ICA in 17 patients and CCA in 6 patients.Conclusions: In present study every patient with carotid artery stenosis had one or the other risk factor for carotid atherosclerosis. In other words, there was no patient with carotid artery stenosis, without any risk factor in present study. Hence asymptomatic patients with these risk factors should be screened for carotid stenosis to prevent stroke.

scholarly journals Association between Carotid Artery Stenosis and Cognitive Impairment in Stroke Patients: A Cross-Sectional Study

PLoS ONE ◽  
2016 ◽  
Vol 11 (1) ◽  
pp. e0146890 ◽  
Author(s):  
Wei Yue ◽  
Anxin Wang ◽  
Runxiu Zhu ◽  
Zhongrui Yan ◽  
Shouhuan Zheng ◽  
...  
Keyword(s):  
Cognitive Impairment ◽  
Carotid Artery ◽  
Carotid Artery Stenosis ◽  
Cross Sectional Study ◽  
Artery Stenosis ◽  
Sectional Study ◽  
Stroke Patients ◽  
Cross Sectional

scholarly journals Internal Carotid Artery Stenosis and Collateral Recruitment in Stroke Patients

2017 ◽  
Vol 28 (3) ◽  
pp. 339-344 ◽  
Author(s):  
Jan W. Dankbaar ◽  
◽  
Kelly G. P. Kerckhoffs ◽  
Alexander D. Horsch ◽  
Irene C. van der Schaaf ◽  
...  
Keyword(s):  
Carotid Artery ◽  
Internal Carotid Artery ◽  
Carotid Artery Stenosis ◽  
Internal Carotid ◽  
Internal Carotid Artery Stenosis ◽  
Artery Stenosis ◽  
Stroke Patients

Carotid Artery Stenosis Is Associated with Better Intracranial Collateral Circulation in Stroke Patients

2020 ◽  
Vol 49 (2) ◽  
pp. 200-205
Author(s):  
Juha-Pekka Pienimäki ◽  
Niko Sillanpää ◽  
Pasi Jolma ◽  
Sara Protto
Keyword(s):  
Ischemic Stroke ◽  
Carotid Artery ◽  
Clinical Outcome ◽  
Acute Stroke ◽  
Carotid Stenosis ◽  
Carotid Artery Stenosis ◽  
Collateral Circulation ◽  
Artery Stenosis ◽  
Stroke Patients ◽  
Significant Difference

Background: Adequate collateral circulation improves the clinical outcome of ischemic stroke patients. We evaluated the influence of ipsilateral carotid stenosis on intracranial collateral circulation in acute stroke patients. Methods: We collected the data of 385 consecutive acute stroke patients who underwent mechanical thrombectomy after multimodal computed tomography (CT) imaging in a single high-volume stroke center. Patients with occlusion of the first segment (M1) segment of the middle cerebral artery were included. We recorded baseline clinical, laboratory, procedural, and imaging variables and technical, imaging, and clinical outcomes. The effect of carotid stenosis on intracranial collateral circulation was studied with appropriate statistical tests and ordinal regression analysis. Results: Fifty out of the 247 patients eligible for analysis had severe ipsilateral carotid stenosis (≥75%). These patients were 4-times more likely to have very good intracranial collaterals (Collateral Score 3–4, p = 0.001) than the nonstenotic and slightly stenotic (<75%) patients. The severely stenotic patients had a longer mean operation time (41 vs. 29 min to reperfusion, respectively, p = 0.001). Nevertheless, 54% of severely stenotic patients had good 3-month clinical outcome (modified Rankin Scale ≤2) with no significant difference between the 2 groups. Conclusions: Carotid artery stenosis of over 75% of vessel diameter was associated with better intracranial collateral circulation of patients with acute ischemic stroke. This did not significantly change the 3-month clinical outcome.

scholarly journals Prevalence and risk factors of symptomatic carotid stenosis in patients with recent transient ischaemic attack or ischaemic stroke in the Netherlands

2020 ◽  
Vol 5 (3) ◽  
pp. 271-277
Author(s):  
Melina GHE den Brok ◽  
Laurien S Kuhrij ◽  
Bob Roozenbeek ◽  
Aad van der Lugt ◽  
Pieter HE Hilkens ◽  
...  
Keyword(s):  
Risk Factors ◽  
Carotid Artery ◽  
Internal Carotid Artery ◽  
Ischaemic Stroke ◽  
Transient Ischaemic Attack ◽  
Carotid Artery Stenosis ◽  
Internal Carotid ◽  
Internal Carotid Artery Stenosis ◽  
Artery Stenosis ◽  
Ischaemic Attack

Introduction Literature on prevalence of symptomatic internal carotid artery stenosis is scarce and heterogeneous. Prevalence may have decreased in recent years due to improved management of cardiovascular risk factors. We aim to estimate current prevalence and identify risk factors of ipsilateral internal carotid artery stenosis in patients with recent hemispheric transient ischaemic attack or ischaemic stroke in the Netherlands. Patients and methods We included consecutive adult patients admitted to two large hospitals in the Netherlands in 2014 who suffered from amaurosis fugax, retinal ischaemia, transient ischaemic attack or ischaemic stroke in the vessel territory of the internal carotid artery. Primary outcome was presence of ipsilateral internal carotid artery stenosis (degree subdivided following NASCET criteria), as assessed with duplex ultrasonography, computed tomography angiography and/or magnetic resonance angiography. We used univariable and multivariable logistic regression to identify risk factors for the presence of a 50–100% internal carotid artery stenosis. Results We analysed 883 consecutive patients with recent transient ischaemic attack or ischaemic stroke. Of these, 110 (12.5%) had 50–99% ipsilateral internal carotid artery stenosis. Subgroup analyses showed higher prevalence of any degree of internal carotid artery stenosis for male sex and White patients. In adjusted analyses, higher age (odds ratio 1.4/10 years; 95% confidence interval 1.16–1.63), male sex (odds ratio 2.8; 95% confidence interval 1.83–4.19), retinal ischaemia (odds ratio 2.5; 95% confidence interval 1.32–4.76) and current smoking (odds ratio 1.8; 95% confidence interval 1.09–2.79) were statistically significant risk factors for 50–100% internal carotid artery stenosis. Conclusion The prevalence of internal carotid artery stenosis seems to be lower in patients with recent transient ischaemic attack or ischaemic stroke than stated in previous studies. We found that higher age, male sex, White ethnicity, retinal ischaemia and current smoking were important risk factors for symptomatic internal carotid artery stenosis.

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