Patients with carotid occlusion carotid stenosis. Medical search. Frequent questions

Ratio calculations to determine percent degree of carotid bulb stenosis, as in North American Symptomatic Carotid Endarterectomy Trial (NASCET) and other study methods, 1 - 4 rely upon proper measurement of the distal ICA diameter for the denominator data. (ajnr.org)
The primary management choices include a medical management approach (lifestyle, exercise, pharmaceuticals, etc) versus a revascularization approach (endarterectomy, carotid stent placement). (ajnr.org)
Although revascularization via carotid stent placement is increasingly common, the large randomized outcome studies of carotid artery stenotic disease systematically evaluated the risks and benefits of carotid endarterectomy. (ajnr.org)
1 - 3 The NASCET data showed that carotid endarterectomy is highly beneficial in symptomatic patients with ≥70% stenosis, 1 but only in cases without near-occlusion stenosis. (ajnr.org)
Despite their pooled data from the NASCET and the ECST studies, the relatively small sample size for near-occlusion, combined with low stroke event rates, 5 did not allow determination of any statistically significant conclusion supporting the use of endarterectomy for near-occlusion cases. (ajnr.org)
National Institute for Health and Clinical Excellence (NICE) guidelines recommend that people with moderate to severe (50-99% blockage) stenosis, and symptoms, should have "urgent" endarterectomy within 2 weeks. (wikipedia.org)
One trial will randomize patients in a 1:1 ratio to endarterectomy versus no endarterectomy and another will randomize patients in a 1:1 ratio to carotid stenting with embolic protection versus no stenting. (mayo.edu)
Two factors characteristic of those whose treatment was successful were dramatic improvement of symptoms after partial recanalization achieved within 3 hours of onset and stabilized improvement after subsequent percutaneous transluminal angioplasty or carotid endarterectomy for residual atherosclerotic stenosis at the ICA origin. (ajnr.org)
CONCLUSION The results of this study suggest that urgent intraarterial local thrombolysis may be a successful treatment method for some patients in this critical clinical category if the treatment can be accomplished within 3 hours of ictus and followed by either angioplasty or endarterectomy for residual stenosis. (ajnr.org)
Consequently, it was proposed that there is a need to develop clinical/imaging algorithms for identifying a smaller, but higher-risk for stroke cohort in whom carotid endarterectomy (CEA)/carotid artery stenting (CAS) might be targeted [ 2 , 5 ]. (j-stroke.org)
Objective: Carotid artery stenting (CAS) is emerging as an alternative procedure to carotid endarterectomy. (aku.edu)
severe coronary artery disease (7 patients) and previous ipsilateral endarterectomy (1 patient). (aku.edu)
The role of carotid endarterectomy is the prevention of strokes in patients with systemic disease of the vascular system. (mhmedical.com)
Mild intracranial disease with severe proximal disease is another indication for carotid endarterectomy. (mhmedical.com)
The incidence of stroke is greater in patients with contralateral carotid occlusion, and one-stage bilateral carotid endarterectomy is inadvisable because of the increased incidence of complications. (mhmedical.com)
Regarding to the North American Symptomatic Carotid Endarterectomy Trial (NASCET) [2] and Asymptomatic Carotid Atherosclerosis Study (ACAS) [3] carotid endarterectomy (CEA) reduced the risk of stroke in patients with ICA stenosis. (ejcvsmed.org)
Carotid endarterectomy (CEA) is effective in reducing stroke risk in selected patient groups. (itranspopmed.org)
In comparison to GA, patients receiving RA had significant lower risks of postoperative unplanned intubation and/or pulmonary resuscitation procedure after carotid endarterectomy. (itranspopmed.org)
Furthermore, carotid artery pathology determines secondary profylaxis with either carotid endarterectomy, stenting or anti-platelet therapy. (radiologyassistant.nl)
Considering extension of the plaque to the C2-3 level and the isolated circulation with perfusion failure, Carotid Endarterectomy was considered higher risk and surgically challenging. (nspc.com)
Polymorphisms in complement component 3 (C3F) and complement factor H (Y402H) increase the risk of postoperative neurocognitive dysfunction following carotid endarterectomy. (cdc.gov)
The association of ACE I/D gene polymorphism with severe carotid atherosclerosis in patients undergoing carotid endarterectomy. (cdc.gov)
Phosphodiesterase 4D single-nucleotide polymorphism 83 and cognitive dysfunction in carotid endarterectomy patients. (cdc.gov)
Complement polymorphisms and cognitive dysfunction after carotid endarterectomy. (cdc.gov)
These patients were randomized to either endarterectomy or stenting. (medscape.com)

Receiver operating characteristic (ROC) curve analysis defined the threshold values that best predicted near-occlusion according to (1) ICA stenosis, (2) distal ICA, (3) distal ICA: contralateral distal ICA, and (4) distal ICA: ECA. (ajnr.org)
Ultimate identification of near-occlusion requires the interpreter's judgment, with attention to the following criteria: (1) notable stenosis of the ICA bulb and (2) distal ICA caliber reduction compared with (A) expected size, (B) contralateral ICA, and (C) ipsilateral ECA. (ajnr.org)
This allows to select of a small group of patients who suffer from carotid occlusion or a combined occlusion with stenosis of the contralateral side, where a characteristic disturbance of the cerebrovascular reserve capacity can be proved. (thieme-connect.de)
These patients had either bilateral ICA stenosis greater than 90% or the contralateral ICA occlusion, or a variation the circle of Willis. (oatext.com)
We restratified the patients based on NVAFV and contralateral VA stenosis grades to analyse the proportion of each PCI mechanism-large artery atherosclerosis and branch artery occlusive disease. (bmj.com)
one asymptomatic with complete occlusion of contralateral internal carotid artery. (aku.edu)
The patient is placed in a supine position with the head slightly extended and turned toward the contralateral side. (mhmedical.com)
22. What should be considered in a patient who has transient monocular vision loss and simultaneous contralateral hemisensory or motor findings? (stanford.edu)
Contralateral stenosis of approximately 60% was also observed in the left ICA bulb. (nspc.com)

All carotid arteries were measured in millimeters at the narrowest diameter of the stenotic bulb, distal ICA well beyond the tapering bulb, and distal external carotid artery (ECA). (ajnr.org)
Carotid artery stenosis is a narrowing or constriction of any part of the carotid arteries, usually caused by atherosclerosis. (wikipedia.org)
This fork is a common site for atherosclerosis, an inflammatory build-up of atheromatous plaque inside the common carotid artery, or the internal carotid arteries that causes them to narrow. (wikipedia.org)
citation needed] Carotid arteries Section of carotid artery with plaque. (wikipedia.org)
The atherosclerotic plaque is the dark mass on the left Carotid artery stenosis is usually diagnosed by color flow duplex ultrasound scan of the carotid arteries in the neck. (wikipedia.org)
Progressive stenosis of distal intracranial internal carotid arteries with a smoke-like appearance from collateral vessels in angiography is characteristic of Moyamoya disease [ 3 ]. (intechopen.com)
Fibromuscular dysplasia (FMD) is a noninflammatory, nonatherosclerotic arterial disease of the medium-sized arteries throughout the body, which could lead to arterial stenosis, occlusion, aneurysm, and dissection. (medscape.com)
[ 1 ] Tortuosity or redundancy of the arteries, particularly the internal carotid arteries, has been reported in association with FMD. (medscape.com)
The disease typically affects the renal and extracranial carotid arteries, but it has also been noted in most medium-sized arteries throughout the body, most commonly the mesenteric, external iliac, and brachial arteries. (medscape.com)
[ 2 ] Disease manifestations depend on the arterial bed involved: most often, the extracranial carotid or vertebral arteries are associated with headache (generally migraine-type), pulsatile tinnitus , neck pain, or dizziness, whereas the renal arteries are often associated with hypertension. (medscape.com)
The occurrence of AF has been described in strokes of non-cardioembolic aetiology, such as atherosclerosis of large arteries or small vessel occlusion, and is estimated to account for 15-30% of all acute cerebrovascular events in patients with AF [5, 8]. (termedia.pl)
There have been studies aimed at determining hemodynamically significant of internal carotid artery (ICA) stenosis by blood flow distribution in precerebral arteries. (oatext.com)
We studied blood flow distribution in precerebral arteries by assessing flow velocity index in 56 patients with asymptomatic and symptomatic severe carotid stenosis. (oatext.com)
Usually, hemodynamically significant of ICA stenosis is determined by highly likely development of stroke in severe stenosis one of the precerebral arteries. (oatext.com)
Patients underwent bilateral insonation of middle cerebral arteries with standard 2-Hz probes over the temporal windows with transcranial Doppler. (karger.com)
Doppler study showed a high resistance to flow in both common carotid arteries and low bilateral MCA flow with low systolic and diastolic velocities. (hindawi.com)
The following parameters were recorded at baseline, after intravenous infusion of 500 mL of fluid load (colloid), 15 minutes and 150 minutes during LBPP application and 10 minutes after gravity suit deflation: right arm mobility, blood pressure, heart rate, systolic and diastolic velocities recorded on both MCAs and resistance index (RI) recorded on both common carotids arteries (CCAs). (hindawi.com)
A series of imaging studies was performed which identified abnormalities in the internal carotid arteries bilaterally, causing up to a 95% obstruction. (myempro.com)
Overnight in the ICU the patient developed left sided weakness and a stat CT scan revealed bilateral frontal infarcts, right more than left, along with significant stenosis of the internal carotid arteries, bilaterally. (myempro.com)
Next, an interventional radiologist performed catheter directed thrombolysis followed by stent placement in both the left and right cervical internal carotid arteries. (myempro.com)
This is almost invariably due to giant cell arteritis (GCA), which is a primary vasculitis that affects extracranial medium (especially external carotid artery-ECA-branches) and sometimes large arteries (aorta and its major branches)-large-vessel GCA [ 3 , 4 ]. (intechopen.com)
As the carotid arteries are situated close to the surface of the neck, shallow-depth STI is adequate for imaging. (thermogramassessmentservices.com)
2006 PMID 16538509 -- "Radiation acute carotid blowout syndromes of the ascending pharyngeal and internal carotid arteries in nasopharyngeal carcinoma. (wikibooks.org)
71 carotid arteries examined with Doppler U/S in nasopharyngeal patients after RT. (wikibooks.org)
The vertebral arteries along with the internal carotids are responsible for irrigating the brain stem, seat of the centers of coordination of balance. (mareo-vertigo.com)
Atherosclerosis of the ABDOMINAL aorta develops early and the carotid and coronary arteries are affected five to ten years later. (mareo-vertigo.com)
In one half of patients, pulmonary arteries are also affected. (msdmanuals.com)
Giant Cell Arteritis Giant cell arteritis involves predominantly the thoracic aorta, large arteries emerging from the aorta in the neck, and extracranial branches of the carotid arteries. (msdmanuals.com)
Bruits are often audible over the subclavian arteries (above the clavicle in the supraclavicular fossa), brachial arteries, carotid arteries, abdominal aorta, or femoral arteries. (msdmanuals.com)
Involvement of the carotid and vertebral arteries results in reduced cerebral blood flow manifested by dizziness, syncope, orthostatic hypotension, headaches, transient visual disturbances, transient ischemic attacks, or strokes. (msdmanuals.com)
Here we show, that carotid arteries expressed intimal neovascularization associated with CD105-positive endothelial cells, concomitant with increased inflammation in early stage lesions, preatheroma (I-III) whilst they were not present in coronary plaques of the same grade. (biomedcentral.com)
The disease preferentially affects the extracranial branches of the carotid arteries and, less often, causes clinical involvement of the aorta and its major branches. (hcplive.com)

CAS was performed if the patients had severe symptomatic carotid stenosis ≥70% without severe diffused intracranial artery stenosis. (scirp.org)
70% symptomatic carotid stenosis (TIA within last 2 weeks) were taken for simultaneous CEA along with CABG. (ejcvsmed.org)

Identification of carotid near-occlusion is essential before calculation of percent stenosis because stroke risk is lower than other severe stenosis and the treatment benefit is less. (ajnr.org)
In asymptomatic individuals with a carotid stenosis, the risk of developing a stroke is increased above those without a stenosis. (wikipedia.org)
The risk of stroke is possibly related to the degree of stenosis on imaging. (wikipedia.org)
A piece of this material can break off and travel (embolize) up through the internal carotid artery into the brain, where it blocks circulation, and can cause death of the brain tissue, a condition referred to as ischemic stroke. (wikipedia.org)
Symptomatic stenosis has a high risk of stroke within the next 2 days. (wikipedia.org)
When the plaque does not cause symptoms, people are still at higher risk of stroke than the general population, but not as high as people with symptomatic stenosis. (wikipedia.org)
Two large randomized clinical trials have demonstrated that carotid surgery done with a 30-day stroke and death risk of 3% or less will benefit asymptomatic people with ≥60% stenosis who are expected to live at least 5 years after surgery. (wikipedia.org)
Exchange transfusion (erythrocytapheresis) should be considered for seriously ill patients, including those with multisystem organ failure, severe acute chest syndrome, and acute stroke. (the-hospitalist.org)
Preoperative transfusion is used to decrease the incidence of postoperative vaso-occlusive crisis, acute stroke, or ACS for patients receiving general anesthesia. (the-hospitalist.org)
The study from Japan in 2007 reported the annual risk of any stroke as 3.2% in 34 non-surgically treated Moyamoya patients (mean follow up over 44 months) [ 1 , 2 ]. (intechopen.com)
Carotid revascularization for primary prevention of stroke (CREST-2) is two independent multicenter, randomized controlled trials of carotid revascularization and intensive medical management versus medical management alone in patients with asymptomatic high-grade carotid stenosis. (mayo.edu)
Results of urgent thrombolysis in patients with major stroke and atherothrombotic occlusion of the cervical internal carotid artery. (ajnr.org)
We report the results of urgent thrombolytic treatment of patients with major stroke in this clinical category. (ajnr.org)
All patients had suffered a major stroke, with a score of 24 or higher on the NIH Stroke Scale on admission. (ajnr.org)
Diagnoses were made at angiography, and patients were treated by intravenous or intraarterial local thrombolysis within 6 hours of stroke onset. (ajnr.org)
More severe symptoms such as transient ischemic attack (TIA) , stroke , ruptured aneurysm , or a carotid or vertebral artery dissection can develop in patients with cerebrovascular FMD. (medscape.com)
Smokers with FMD were more likely to experience major vascular events such as stroke or heart attack, as compared to patients who had never smoked. (medscape.com)
Tracz J, Gorczyca-Głowacka I, Wałek P, Rosołowska A, Wożakowska-Kapłon B. Risk factors of ischaemic stroke in patients with atrial fibrillation. (termedia.pl)
The most common risk factors for stroke in patients with AF are included in the CHA2DS2-VASc score (congestive heart failure, hypertension, age, diabetes mellitus, previous stroke, vascular disease, gender). (termedia.pl)
This scale is used to help identify patients at low, moderate, and high risk of stroke [10, 11]. (termedia.pl)
Identification of risk factors for stroke in patients with AF is important to allow modification of some of them and to establish effective treatment. (termedia.pl)
The aim of the study was to assess which of the common risk factors are most strongly associated with the occurrence of stroke in patients with AF. (termedia.pl)
This retrospective observational single-centre study included patients with acute ischaemic stroke, who were subsequently hospitalised in the reference neurological centre between 1 January 2013 and 30 April 2015. (termedia.pl)
The experimental group consisted of patients with ischaemic stroke and AF (AF group), and the control group consisted of patients with ischaemic stroke without AF (no-AF group) (Figure 1). (termedia.pl)
We compared baseline characteristics between these 2 groups and investigated risk factors for stroke patients with AF. (termedia.pl)
The importance of this assessment is necessary for the timely surgical treatment of ICA stenosis and, therefore, reducing the risk of stroke. (oatext.com)
At the same time, the most attention was focused on patients with symptomatic ICA stenosis, while primary prevention of stroke has dominant importance. (oatext.com)
Current clinical algorithms use stroke risk to determine which patients should undergo revascularization without considering cognitive decline. (karger.com)
Patients with ≥80% unilateral internal carotid artery stenosis with no history of stroke were recruited from inpatient and outpatient practices at a single, large, comprehensive stroke center. (karger.com)
Forty-two patients with unilateral high-grade internal carotid artery stenosis without stroke were enrolled (26 males, age = 74 ± 9 years, education = 16 ± 3 years). (karger.com)
Two days after stroke onset, there was no clinical improvement and the patient developed bradycardia (40 pulses/min) and hypotension (100/70 mmHg). (hindawi.com)
Design, Setting, and Participants: This retrospective cohort study included patients who presented within 4.5 hours of ischemic stroke onset at hospitals participating in the Get With The Guidelines-Stroke initiative from January 1, 2003, to December 31, 2021. (bvsalud.org)
Conclusions and Relevance: In this cohort study of patients with ischemic stroke, the TS quality initiative was associated with improvement in thrombolysis frequency, timeliness, and outcomes for all racial and ethnic groups. (bvsalud.org)
To reduce the risk of stroke, carotid artery stenting (CAS) is performed and has shown to be effective in preventing from stroke in patients with severe carotid artery stenosis. (scirp.org)
For patients with intracranial stenosis, especially caused by intracranial atherosclerotic disease (ICAD), medical intervention is required to reduce the risk of ischemic stroke due to thromboembolic events, but it does not reduce the risk of ICAD progression, hypoperfusion and poor collateral circulation. (scirp.org)
Therefore extracranial-intracranial (EC-IC) bypass was developed to reduce the risk of ischemic stroke in patients with impaired cerebral hemodynamics due to occlusive cerebrovascular disease. (scirp.org)
Depending on the extent of stenosis, ischemia in the carotid perfusion territory can result in amaurosis fugax , transient ischemic attack ( TIA ), or stroke . (amboss.com)
1 Since carotid artery atherosclerosis can progress quietly during an asymptomatic phase, asymptomatic carotid stenosis (ACS) is a silent harbinger of fatal stroke as the first clinical manifestation. (highwire.org)
Although the annual risk of stroke in patients with ACS is only 1%-3%, 2 ACS affects approximately 7%-12% of elderly people which is a huge number and it will be increasing with age. (highwire.org)
Encouragingly, the overall annual risk of stroke in patients with ACS has dramatically decreased to 0.5% over past decades due to the improvement of intensive medical therapy and the changes of lifestyles. (highwire.org)
Several previous studies have identified possible predictors of stroke including the degrees of stenosis, the sizes, location and characteristics of carotid plaques. (highwire.org)
These three symptomatic carotid patients suffered from stroke within last 6 months. (ejcvsmed.org)
During the follow-up period of 12 months, one patient died of cardiovascular causes (stroke). (ejcvsmed.org)
Stroke is a serious complication after CABG surgery, occurring in up to 3% of patients, patients with significant carotid disease represent a particularly high-risk category of patients. (ejcvsmed.org)
During this procedure cardiac surgeons are aiming to minimize the risk of stroke either by revascularizing the stenotic carotid artery followed by CABG or in the reversed fashion. (ejcvsmed.org)
However, some authors consider that the patients who undergo CABG prior to CEA have increased risk of stroke. (ejcvsmed.org)
The GALA (general anesthesia versus local anesthesia for carotid surgery) study was the only large randomized controlled clinical trial with 3526 patients, and it concluded that there was no difference in incidences of death, stroke, or myocardial infarction between GA and RA ( 9 ). (itranspopmed.org)
Women have a higher prevalence of stroke in the carotid artery system, stroke in the vertebrobasilar system is more common in men. (orscience.ru)
Thromboextraction is one of the most actively developing areas of reperfusion therapy in patients with ischemic stroke. (orscience.ru)
This clinical observation demonstrated a description of patients with ischemic stroke in the basin of the left middle cerebral artery, but with different pathogenetic options according to the TOAST criteria (atherothrombotic and cardioembolic), which underwent a mechanical thromboextraction procedure using a stent retriever followed by histological evaluation of blood clots. (orscience.ru)
The aim of this open randomized controlled trial was to study the dynamics of the ciliary neurotrophic factor (CNTF) concentration in elderly patients with the first ischemic stroke under the use of Mildronate® 1000 mg per day in combination with the standard course of neurorehabilitation. (orscience.ru)
The study included 60 patients (30 men and 30 women) aged 60 to 85 years with the first ischemic stroke who received inpatient rehabilitation with a round-the-clock care in Center for Speech Pathology and Neurorehabilitation in 2015-2016. (orscience.ru)
In patients with an acute stroke and an intracranial large vessel occlusion, we need to know if there is carotid pathology and if so what kind of pathology we are dealing with. (radiologyassistant.nl)
A carotid web is an entity that is increasingly recognized as an important cause for ischemic stroke in especially young females. (radiologyassistant.nl)
The carotid web is increasingly being associated with ischemic stroke in young individuals, especially females. (radiologyassistant.nl)
The aim of this article is to highlight the significance of these factors in stroke, to assess their impact on long-term prognosis, and to outline an approach to the patient with stroke for evaluation of hemostatic abnormalities. (medscape.com)
For patient education information, see eMedicineHealth's Brain and Nervous System Center and Stroke. (medscape.com)
In general, patients with blood dyscrasias and stroke are prone to recurrent cerebrovascular events. (medscape.com)
These patients are usually younger than stroke patients in the general population and do not have the vascular risk factors. (medscape.com)
No study has established a relationship between factor V Leiden and arterial strokes, thus the incidence of this factor in patients with stroke is not known. (medscape.com)
In a study by Martinez et al, 10 of 60 patients (17%) had an acute ischemic stroke that was attributed to deficiencies in protein C, protein S, or ATIII. (medscape.com)
No clear-cut association has been found between protein C or ATIII deficiency and arterial strokes, although patients with low protein C levels at the time of acute stroke have poor outcomes. (medscape.com)
However, a prospective study did find free protein S deficiency in 23% of young patients with stroke of uncertain cause, but this finding could be associated with higher levels of C4b (an acute phase reactant that decreases free protein S levels). (medscape.com)
Although an association with stroke per se has yet to be described, these mutations thereby increase the risk of venous and arterial thrombotic episodes, including stroke, and should be considered in a young patient with stroke and a history of recurrent DVT. (medscape.com)
On admission, her initial CT scan was negative for stroke or hemorrhage, however a CTA demonstrated severe high grade 99% stenosis of the right Carotid bulb (ICA) with markedly diminished caliber of the cervical intracranial carotid artery secondary to calcified atherosclerosis without evidence of dissection (Figure 1). (nspc.com)
No symptomatic patient suffered a stroke during this trial. (researchwithrutgers.com)
The absence of stroke in symptomatic patients is the lowest rate reported in any independently adjudicated prospective multicenter registry trial to date. (researchwithrutgers.com)
This article discusses ASL findings in patients with acute stroke and TIA, focusing on typical appearances, common artifacts, and comparisons with PWI. (radiologykey.com)
Is EVT plus medical treatment in acute stroke patients with LVO of the anterior circulation with mild symptoms beneficial compared with medical treatment alone? (medscape.com)
Should patients with asymptomatic carotid artery stenosis undergo carotid procedures, or does medical therapy provide sufficient protection against stroke? (medscape.com)
Sex Differences in Poststroke Cognitive Impairment: A Multicenter Study in 2343 Patients With Acute Ischemic Stroke. (medscape.com)
Biomarker, Imaging, and Clinical Factors Associated With Overt and Covert Stroke in Patients With Atrial Fibrillation. (medscape.com)
Optimizing Patient-Centered Stroke Care and Research in the Prehospital Setting. (medscape.com)
Thrombectomy in Stroke With a Large Vessel Occlusion and Mild Symptoms: "Striving to Better, Oft We Mar What's Well? (medscape.com)
One-Year Outcomes in Patients With Acute Stroke Requiring Mechanical Ventilation. (medscape.com)
Patients were numbered in the order they were admitted to the stroke unit. (jamanetwork.com)
Cheung CMTsoi THAu-Yeung MTang AS Epileptic seizure after stroke in Chinese patients. (jamanetwork.com)
OBJECTIVE/BACKGROUND: Several plaque and lesion characteristics have been associated with an increased risk for procedural stroke during or shortly after carotid artery stenting (CAS). (ox.ac.uk)
Background While intravenous thrombolysis is recommended for patients who had an acute ischaemic stroke (AIS) within 4.5 hours of symptom onset, there are few randomised trials investigating the benefits of thrombolysis beyond this therapeutic window. (bmj.com)
While intravenous thrombolysis is recommended for patients who had an acute ischaemic stroke (AIS) presenting within the 4.5-hour time window, the benefit of thrombolysis beyond this therapeutic window is unknown. (bmj.com)
Over the last decade, intravenous thrombolytic therapy has been the cornerstone treatment for patients who had an acute ischaemic stroke (AIS), which greatly improved clinical outcome and reduced mortality. (bmj.com)
The Findaf study [ 1 ] randomized patients who had ischemic stroke in two groups. (medscape.com)
This indicates that it is worthwhile to monitor not only patients with cryptogenic stroke, but also patients with other stroke mechanisms, because they can have large-vessel disease and AF. (medscape.com)
Stroke or death occurred in 15 of 110 patients in the medical group and in 41 of 116 patients in the interventional group. (medscape.com)
No differences were reported in 129 stroke patients. (medscape.com)

Ipsilateral internal or common carotid artery occlusion. (mayo.edu)
Additionally, in patients with ICA stenosis 90% or more, increase FVI in the ipsilateral vertebral artery was noted. (oatext.com)
Only in 8 patients out of 56 patients there was increase FVI in the ipsilateral external carotid artery with ophthalmic anastomosis. (oatext.com)
CVR measured by perfusion CT may potentially be the factor which can predict the risk of ipsilateral ischemic events in patients with ACS. (highwire.org)
21. What should be considered in a patient who has transient monocular vision loss and neck pain or ipsilateral Horner syndrome? (stanford.edu)
In 11 patients (27%), symptoms were likely to be due to a stenosis or an occlusion of the ipsilateral carotid artery. (eyehospital.nl)

5 Cerebrovascular reserve (CVR), defined as the increase in cerebral blood flow in response to a vasodilatory stimulus, is known to reflect the capacity of the brain to maintain adequate blood flow by compensatory vasoconstricition or vasodilatation in the face of decreased perfusion due to arterial stenosis. (highwire.org)
PMID 15135672 -- "Focused high-risk population screening for carotid arterial stenosis after radiation therapy for head and neck cancer. (wikibooks.org)
The ability to measure the cerebral circulatory dynamics allows us to observe that 15% of this group presents dizziness of cervical cause by variations in the flow of the vertebral artery and 60% of supratrochlear artery terminal branch of the internal carotid artery, 15% of the anterior cerebral artery, also terminal and ascent of vestibular nuclei, hence the importance of knowing the intracerebral arterial flow. (mareo-vertigo.com)
Proximal intracranial arterial stenosis. (mareo-vertigo.com)
The ARUBA study, [ 4 ] reporting 5-year follow-up data, was a randomized trial in 226 patients with arterial venous malformations (AVMs). (medscape.com)

Carotid revascularization is recommended for severe carotid stenosis and may be considered for moderate carotid stenosis if the periprocedural risks are acceptable. (amboss.com)
In this study we performed a retrospective analysis of safety and efficacy of CEA combined with CABG in patients with severe carotid stenosis requiring CABG surgery. (ejcvsmed.org)

Atherosclerosis causes plaque to form within the carotid artery walls, usually at the fork where the common carotid artery divides into the internal and external carotid artery. (wikipedia.org)
TAS also interprets the ThermEval ACT Examination, which assists in identifying subclinical signs suggesting the presence of coronary artery atherosclerosis, carotid artery disease, and thyroid dysfunction. (thermogramassessmentservices.com)
Carotid atherosclerosis has a marked tendency to develop in the bifurcation at the level of the carotid artery, extending to 2 cm in the cephalic direction towards the origin of the internal carotid artery, this phenomenon can happen without provoking symptoms, and be the Source of microembolisms at the higher level. (mareo-vertigo.com)
The most common carotid obstruction is caused by atherosclerosis. (radiologyassistant.nl)
Serum levels and polymorphisms of matrix metalloproteinases (MMPs) in carotid artery atherosclerosis: higher MMP-9 levels are associated with plaque vulnerability. (cdc.gov)

The common carotid artery is the large artery whose pulse can be felt on both sides of the neck under the jaw. (wikipedia.org)
The common carotid artery is the large vertical artery in red. (wikipedia.org)
Blood flows from the common carotid artery(bottom), and divides into the internal carotid artery (left) and external carotid artery (right). (wikipedia.org)
Carotid artery stenosis ( CAS ) is an atherosclerotic, degenerative disease of the common carotid artery and internal carotid artery . (amboss.com)
Carotid artery stenosis typically occurs within 2 cm of the common carotid artery bifurcation. (amboss.com)
Asahi Intecc Co., Aichi, Japan) was introduced into the common carotid artery. (bmj.com)
After the procedure, angiography of the common carotid artery revealed recovery of anterograde blood flow in the right ICA ( figure 3 ). (bmj.com)
Under Monitored Anesthesia Care, and systemic anticoagulation (ACT maintained above 250), a 6 French Guide Sheath was positioned within the distal cervical right Common Carotid Artery (CCA). (nspc.com)

The MR Angiography (MRA) showed a proximal left internal carotid artery (ICA) occlusion, a tight stenosis on the distal right ICA, no signal in the right siphon and right MCA, while there was a weak signal in the left MCA (Figure 4 ). (hindawi.com)
This is a thin shelf-like luminal protrusion of the intimal fibrous tissue that extends from the posterior aspect of the proximal internal carotid artery bulb into the lumen. (radiologyassistant.nl)
Objective: The multicenter ARMOUR (ProximAl PRotection with the MO.MA Device DUring CaRotid Stenting) trial evaluated the 30-day safety and effectiveness of the MO.MA® Proximal Cerebral Protection Device (Invatec, Roncadelle, Italy) utilized to treat high surgical risk patients undergoing carotid artery stenting (CAS). (researchwithrutgers.com)
Conclusions: The ARMOUR trial demonstrated that the MO.MA® Proximal Cerebral Protection Device is safe and effective for high surgical risk patients undergoing CAS. (researchwithrutgers.com)
The real challenge over the next 5 years will be to implement thrombectomy in patients with occlusions of the distal internal carotid artery and the proximal middle cerebral artery on a countrywide level. (medscape.com)

however, the doctors involved did not feel that the patient was an interventional candidate since the vascular pathology was unclear. (myempro.com)
Inclusion criteria included recent (within 30 days of the date of procedure) CTA of the head and neck, evidence of an carotid stenosis of more than 70% confirmed with conventional angiography or severe intracranial major artery stenosis with distinct low perfusion of the relevant regions, age older than 45 years, and selected by the vascular disease specialist as a suitable candidate for stent placement or EC-IC by-pass. (scirp.org)
Controls were patients with carotid or/and intracranial severe stenosis who declined vascular surgery due to personal reasons or no surgery was possible due to medical reasons. (scirp.org)
Methods: Our carotid intervention team is comprised of a vascular neurologist, interventional cardiologist and interventional radiologist. (aku.edu)
Vascular risk factors seem to be as prevalent in patients with sICAD as in age-matched, healthy volunteers. (qxmd.com)
The false-colored, thermograms of the patient confirmed an interruption of vascular flow through the left carotid artery (circled). (thermogramassessmentservices.com)
29. What should be done immediately when a patient presents with a recent vascular TMVL? (stanford.edu)
33. What is the yearly risk of vascular death (myocardial infarction) in patients with TMVL and atheromatous disease? (stanford.edu)
When studying 2,500 patients with vertigo, Bertora and Bergmann found that 48.16% of the cases have antecedents of vascular origin predominating within this group the pathologies secondary to processes of vascular origin predominated within this group the pathological ones secondary to processes of hydrodynamic alterations within Of the capillary with 20.92% for hypotension and 20.34% for hypertension. (mareo-vertigo.com)
It is non atherosclerotic cerebrovascular disease characterized by bilateral internal carotid stenosis or occlusion, and abnormal vascular network at the base of the brain. (org.pk)
These findings suggested that this critical right ICA stenosis resulted in significant hemodynamic perfusion failure and ischemia within the right hemispheric territories of the right MCA and ACA vascular distributions (Figure 2). (nspc.com)
Catheter cerebral angiography was then performed which demonstrated the 99% stenosis with distal vascular collapse and extension of the plaque superiorly into the mid third of the cervical right ICA (Figure 4). (nspc.com)
CONCLUSION: In ACST-2, plaque characteristics and severity of stenosis did not primarily determine interventionalists' choice of stent or use or type of CPD, suggesting that other factors, such as vascular anatomy or personal and centre preference, may be more important. (ox.ac.uk)
These patients were randomized to optimum medical therapy or interventional therapy (neurosurgical removal of the vascular malformation with embolization or radiation). (medscape.com)

Low cerebral blood flow can affect cognition in patients with high-grade asymptomatic internal carotid artery stenosis. (karger.com)
Screening the single nucleotide polymorphisms in patients with internal carotid artery stenosis by oligonucleotide-based custom DNA array. (cdc.gov)

PURPOSE Atherothrombotic occlusion of the cervical internal carotid artery (ICA) without collateral flow is one of the most critical forms of acute ischemia. (ajnr.org)
This manuscript reviews the management of patients with spontaneous dissection of the cervical internal carotid artery (sICAD). (qxmd.com)

However, most of the physicians still prescribe the antithrombotic drug for Moyamoya patients with an ischemic event. (intechopen.com)
Angiogram of type 1 fibromuscular dysplasia in a 43-year-old female patient with multiple transient ischemic attacks. (medscape.com)
Kaplan-Meier survival analysis and univariate Cox regression analysis indicated that patients with less CVR experienced more ischemic events (p=0.006 and p=0.013, respectively), which was confirmed by multiple Cox regression analysis (p=0.012). (highwire.org)
Carotid stenosis is a recognized risk factor for the development of ischemic cerebrovascular disease. (highwire.org)
Patients with less CVR experienced more ischemic events. (highwire.org)
To develop individualized treatment plans and minimize the risk of ischemic events, the screening and identification of high-risk patients with ACS is extremely important in clinical practice. (highwire.org)
Simultaneous carotid and off-pump coronary artery bypass surgery is safe and effective method of treatment patients with severe concomitant carotid artery stenosis and ischemic heart disease with relatively low mortality rate. (ejcvsmed.org)
Reperfusion therapy for this pathology makes it possible to improve the functional outcome of these patients by reducing the volume of the ischemic focus in the brain or completely preventing its development. (orscience.ru)
Patients may present with asymmetric pulses or unequal blood pressure measurements between limbs (eg, between limbs on opposite sides or between the arm and leg on the same side), limb claudication, symptoms of decreased cerebral perfusion (eg, transient visual disturbances, transient ischemic attacks, strokes), and hypertension or its complications. (msdmanuals.com)
However, the majority of patients with ischemic cerebrovascular events do not have a well-defined hematologic abnormality. (medscape.com)

This was the mantra repeated by the plaintiff attorney during his opening statement in a case brought by a plaintiff alleging a delay in the diagnosis and treatment of a bilateral carotid artery occlusion. (myempro.com)

Surgical improvement is minimal in patients with complete occlusion of the internal carotid artery, and operation is not recommended for patients with established long-standing occlusion. (mhmedical.com)

4 5 However, both the Vertebral Artery Stenting Trial (VAST) 6 7 and the Vertebral Artery Ischemia Stenting Trial (VIST) 8 9 have failed to demonstrate the superiority of stenting in preventing recurrent strokes in patients with symptomatic VA stenosis compared with optimal medical management. (bmj.com)
Background: To compare the neuropsychological consequences after carotid artery stenting (CAS) and extracranial-intracranial by-pass (EC-IC by-pass). (scirp.org)
Liu, L. and Zhou, Y. (2015) Effect of Carotid Artery Stenting and Extracranial-Intracranial By-Pass on Cognitive Function: Preliminary Results. (scirp.org)
We present results of 1st twelve patients who underwent carotid artery stenting at Shifa International Hospital, Islamabad. (aku.edu)
Carotid artery stenting using standard technique with embolic protection device is performed. (aku.edu)
Results: Twelve carotid artery stenting procedures were done between August 2006 and March 2008. (aku.edu)
Conclusion: Hypotension is a common and potentially lethal complication of carotid artery stenting. (aku.edu)
Angiography of the right ICA showed a severely stenotic but intact lumen of the artery, and we decided to perform endovascular carotid artery stenting. (bmj.com)
Cerebral angiography before and after endovascular carotid artery stenting. (bmj.com)
The patient was prepped with dual anti-platelet therapy and medical optimization including hydration and cardiac evaluation in preparation for Carotid Angioplasty and Stenting of her high-risk symptomatic right ICA stenosis. (nspc.com)
Impact of Carotid Stent Design on Embolic Filter Debris Load During Carotid Artery Stenting. (medscape.com)

Forty-two near-occlusion distal ICAs were identified. (ajnr.org)
Threshold values provide guidelines for CTA interpretation when assessing carotid artery disease and the presence of near-occlusion. (ajnr.org)
Near-occlusion distal ICAs can be reliably identified on CTA. (ajnr.org)
Identification of near-occlusion stenosis with associated decreased diameter of the distal internal carotid artery (ICA) is essential for proper diagnosis and management of atherosclerotic carotid artery disease. (ajnr.org)
Identification of near-occlusion affects management of atherosclerotic carotid artery disease. (ajnr.org)
A recent review of catheter angiograms in patients with severe ICA stenosis (NASCET style ≥70%) from the NASCET and European Carotid Surgery Trial (ECST) was performed to estimate the accuracy of near-occlusion identification and to assess prognosis for patients with near-occlusion. (ajnr.org)
5 Near-occlusion was defined as any decrease in the expected diameter of the distal ICA above a severe stenosis. (ajnr.org)
This expands the catchment of "near-occlusion" to include cases with far less reduction of distal ICA diameter than would be called "collapse. (ajnr.org)
This led us to perform cerebral angiography, showing near occlusion of the right ICA and no cross-flow from the left ICA. (bmj.com)
A, B) Anteroposterior view (A) and lateral view (B) show near occlusion of the right internal carotid artery (ICA) (black arrows). (bmj.com)

Objectives Endovascular treatment strategies to optimise individualised care for patients with vertebral artery (VA) stenosis need to be revisited. (bmj.com)
Endovascular treatment (EVT) of vertebral artery (VA) stenosis with the use of stents is a promising option and is widely implemented in clinical practice. (bmj.com)
2008 (1997-2006) PMID 18164999 -- "Radiation carotid blowout syndrome in nasopharyngeal carcinoma: Angiographic features and endovascular management. (wikibooks.org)
The MO.MA device acts as a balloon occlusion "endovascular clamping" system to achieve cerebral protection prior to crossing the carotid stenosis. (researchwithrutgers.com)

In a total occlusion the contrast has a { or curly bracket-like configuration. (radiologyassistant.nl)

At the throat it forks into the internal carotid artery and the external carotid artery. (wikipedia.org)
The internal carotid artery supplies the brain, and the external carotid artery supplies the face. (wikipedia.org)
The carotid artery divides into the internal carotid artery and the external carotid artery. (wikipedia.org)
A routine ACT Examination indicated a left-side, external-carotid disorder. (thermogramassessmentservices.com)
Dizziness and vertigo, otoneurologo DFE The supraorbital flow is the result of the hydrodynamic compensation between the internal and external carotid system. (mareo-vertigo.com)

Non-atherosclerotic carotid stenosis (dissection, fibromuscular dysplasia, or stenosis following radiation therapy). (mayo.edu)
Management of spontaneous dissection of the cervical carotid artery. (qxmd.com)
There is a problem diagnosing carotid dissection versus pseudo-obstruction. (radiologyassistant.nl)

The two principal indications are asymptomatic high-grade stenosis and transient ischemia. (mhmedical.com)

Approximately 40-50% of patients with GCA have ophthalmologic complications, including visual loss secondary to A-AION, central retinal artery occlusion, homonymous hemianopsia or cortical blindness (uni- or bilateral occipital infarction) [ 6 ]. (intechopen.com)
31. What should be done emergently in the presence of an acute central retinal artery or branch retinal artery occlusion? (stanford.edu)
To assess the diagnostic value of an extensive cardiac screening and of carotid artery duplex scanning in patients suspected of suffering from retinal embolism, we examined 41 consecutive patients (mean age 59.6 years, range 36-74) who presented either with amaurosis fugax or with a retinal artery occlusion. (eyehospital.nl)
We conclude that in patients in this age group suffering from either amaurosis fugax or a retinal artery occlusion, a carotid artery duplex scanning should be performed first as this investigation is more likely to provide useful information than an extensive cardiac screening (ECG, Holter 24-hour monitoring and precordial echocardiography). (eyehospital.nl)
One temporary intracavernous carotid artery occlusion at 3 months. (wikibooks.org)
In patients with cerebral artery occlusion, the CT Doppler also allows the assessment of the leptomeningeal replacement that has been established, which has an important prognostic value. (mareo-vertigo.com)

The degree of carotid and intracranial stenosis was initially evaluated by CT angiogram (CTA), and conventional cerebral angiography was followed in anticipation of CAS and EC-IC by-pass. (scirp.org)

Other high-risk cardiac sources of emboli, including left ventricular aneurysm, severe cardiomyopathy, aortic or mitral mechanical heart valve, severe calcific aortic stenosis (valve area (mayo.edu)
The primary effectiveness endpoint was angiographic evaluation that demonstrated complete aneurysm occlusion and absence of major stenosis at 180 days. (nih.gov)
The few available data indicate that most patients with sICAD causing severe stenosis or occlusion, or an aneurysm can be treated conservatively. (qxmd.com)

METHODS Clinical findings and outcome in 33 patients were investigated. (ajnr.org)
four of these patients had a good clinical outcome. (ajnr.org)
However, this criterion was determined over 30 years ago based on results of the first randomized NASCET study [4], when ultrasound methods just started their advance to the clinical practice and degree of ICA stenosis could only be assessed by local changes of blood flow. (oatext.com)
We report two cases of spectacular clinical recovery after acute carotid occlusion. (hindawi.com)
Besides these clinical/imaging characteristics, there are additional individual, ethnic/racial or social factors that should probably be evaluated in the decision process regarding the optimal management of these patients, such as individual patient needs/patient choice, patient compliance with best medical treatment, patient sex, culture, race/ethnicity, age and comorbidities, as well as improvements in imaging/operative techniques/outcomes. (j-stroke.org)
During TS, clinical outcomes improved for all racial and ethnic groups from pre-TS, with TS phase III showing higher odds of ambulation at discharge among Asian, Black, Hispanic, and White patients. (bvsalud.org)
what is the range of the clinical observation period for pediatric moyamoya patients who underwent omental transplantation? (neurosurgery.directory)
The clinical presentation of GCA varies from patient to patient, but the classic symptoms and signs are well recognized. (hcplive.com)

The following images demonstrate the application of STI to capture signs of a previously undetected carotid artery disorder. (thermogramassessmentservices.com)

To assess the degree of stenosis of ICAs, carotid Doppler was done preoperatively in all patients. (ejcvsmed.org)
Computed tomography angiogram (CTA) or magnetic resonance angiogram (MRA) was done to confirm the degree of stenosis in patients who had 50% or more stenosis of carotid artery on carotid Doppler. (ejcvsmed.org)

Unstable angina defined as rest angina with ECG changes that is not amenable to revascularization (patients should undergo planned coronary revascularization at least 30 days before randomization). (mayo.edu)
In patients with Moyamoya disease , cerebral revascularization using a pedicled omental flap has proven to be a viable option following direct revascularization procedures. (neurosurgery.directory)
herein we describe outcomes from a 10-year experience of laparoscopic harvesting of pedicled omental flap for cerebral revascularization in Moyamoya patients. (neurosurgery.directory)
No large vessel intracranial occlusion requiring emergent thrombectomy was observed, and the mild initial symptomatic presentation favored further imaging and medical optimization prior to revascularization attempts. (nspc.com)
Patients who will experience little benefit from coronary revascularization are also excluded. (medscape.com)

Forty-five patients with ACS who underwent the examination of CVR measured by perfusion CT with inhalation of CO 2 were collected and followed-up for at least 5 years. (highwire.org)
Learners will be able to recognize the symptoms that may suggest Perfusion Failure secondary to severe Carotid Artery Stenosis, and order appropriate tests to confirm the diagnosis, and appropriately refer these patients to a subspecialist for management and treatment. (nspc.com)
HOPE trial will address the question whether intravenous thrombolysis offers benefits in patients who had an AIS presenting within 4.5-24 hours after onset if they meet the imaging standard of CT perfusion. (bmj.com)

Moyamoya disease is a chronic steno-occlusive cerebrovascular disease characterized by progressive occlusion of bilateral distal ICA with a fine basal collateral network development. (intechopen.com)

Some studies have found an increased risk with increasing degrees of stenosis while other studies have not been able to find such a relationship. (wikipedia.org)

Sometimes the stenosis causes temporary symptoms first, known as TIAs, where temporary ischemia occurs in the brain, or retina without causing an infarction. (wikipedia.org)
When the symptoms of cerebral ischemia are transient, intermittent, and self-resolving, the results of surgical correction of the area of carotid stenosis are excellent. (mhmedical.com)
An isolated internal carotid artery is an unfavourable configuration of the circle of Willis which can lead to severe ischemia in case of a ICA occlusion. (radiologyassistant.nl)

NASCET methods required that no ratio calculation be done in cases of collapsed or partly collapsed distal ICAs above a severe ICA bulb stenosis, 1 - 5 because the use of this denominator data would provide a fallacious stenosis calculation that underestimates the true stenosis. (ajnr.org)
Methods We screened 1239 patients with extracranial VA stenosis, of whom 321 patients with severe VA V1 segment stenosis (≥70%) were enrolled in our study. (bmj.com)
Methods: A total of 43 patients referred to CAS, 32 patients referred to EC-IC by-pass and 43 control subjects were enrolled in the study. (scirp.org)
Methods: A retrospective chart review was performed of all patients with Moyamoya disease who underwent laparoscopic omental cerebral transposition between 2011 and 2021. (neurosurgery.directory)
METHODS: Trial patients who underwent CAS between 2008 and 2015 were included in this study. (ox.ac.uk)

The prevalence of significant stenosis of the internal carotid artery is related to age, sex and risk factors such as smoking, diabetes, hypertension and hypercholesterolemia. (mareo-vertigo.com)

Macrophage infiltration and smooth muscle cells content associated with haptoglobin genotype in human atherosclerotic carotid plaques. (cdc.gov)
Association of haptoglobin genotype and common cardiovascular risk factors with the amount of iron in atherosclerotic carotid plaques. (cdc.gov)

B) MR angiography shows a defect in the flow signal of the right internal carotid artery (white arrows) with preservation of the right middle cerebral artery. (bmj.com)
We have used immunohistochemical analysis to investigate the expression of CD105-positive vessels in both large (carotid) and medium calibre (coronary and middle cerebral artery, MCAs) diseased vessels in an attempt to identify any correlation with plaque growth, stage and complication/type. (biomedcentral.com)

Typically duplex ultrasound scan is the only investigation required for decision making in carotid stenosis as it is widely available and rapidly performed. (wikipedia.org)
Carotid duplex ultrasonography is the initial test of choice for evaluating the carotid artery and measuring the degree of stenosis. (amboss.com)
Duplex ultrasound blood-flow imaging studies with or without magnetic resonance angiography (MRA) or contrast angiography are used to visualize the arch, carotids, and vertebral vessels. (mhmedical.com)

Nowadays, ICA stenosis is considered hemodynamically significant if PSV in the area of ICA stenosis (greater than 70%) is above 230 cm/s [1]. (oatext.com)

In addition, primary embolic protection filter placement was not considered technically feasible secondary to the severity of the "string" like stenosis. (nspc.com)

Hong Kong) PMID 11745291 -- "Incidence of carotid stenosis in nasopharyngeal carcinoma patients after radiotherapy. (wikibooks.org)

Anatomy32

Organisms6

Diseases75

Chemicals and Drugs14

Analytical, Diagnostic and Therapeutic Techniques and Equipment94

Psychiatry and Psychology1

Phenomena and Processes24

Disciplines and Occupations2

Technology, Industry, Agriculture1

Information Science8

Health Care38

Endarterectomy25

Contralateral9

Arteries32

Symptomatic carotid stenosis2

Stroke85

Ipsilateral6

Arterial5

Severe carotid stenosis2

Atherosclerosis5

Common caroti8

Proximal5

Vascular14

Internal carotid artery2

Cervical internal2

Ischemic10

Bilateral carotid1

Complete occlusion1

Stenting11

Near-occlusion10

Endovascular4

Total occlusion1

External-carotid5

Dissection3

Asymptomatic high-grade1

Artery occlusion6

Degree of carotid1

Aneurysm3

Clinical8

Undetected carotid artery1

Doppler2

Revascularization5

Perfusion3

Cerebrovascular disease characterized1

Degrees of stenosis1

Ischemia3

Methods5

Significant stenosis1

Atherosclerotic carotid2

Middle Cerebr2

Duplex3

Greater than 701

Embolic1

Incidence1