Latest & greatest articles for ABCD2 Score

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Top results for ABCD2 Score

1. ABCD2 risk score does not predict the presence of cerebral microemboli in patients with hyper-acute symptomatic critical carotid artery stenosis (PubMed)

ABCD2 risk score does not predict the presence of cerebral microemboli in patients with hyper-acute symptomatic critical carotid artery stenosis ABCD2 risk score and cerebral microemboli detected by transcranial Doppler (TCD) have been separately shown to the predict risk of recurrent acute stroke. We studied whether ABCD2 risk score predicts cerebral microemboli in patients with hyper-acute symptomatic carotid artery stenosis.We studied 206 patients presenting within 2 weeks of transient (...) with hyper-acute symptomatic critical carotid stenosis had an ABCD2 risk score ≥4. There was no significant difference in the NICE red flag criterion for early assessment (ABCD2 risk score ≥4) for patients with cerebral microemboli versus those without microemboli (59/86 vs 81/120 patients: OR 1.05 ABCD2 risk score ≥4 (95% CI 0.58 to 1.90, p=0.867)). The ABCD2 risk score was <4 in 27 of 86 (31%: 95% CI 21 to 41) embolising patients and in 39 of 120 (31%: 95% CI 23 to 39) without cerebral microemboli

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2017 Stroke and vascular neurology

2. The ABCD2 scoring system for transient ischemic attacks: a review of the diagnostic accuracy and predictive value

The ABCD2 scoring system for transient ischemic attacks: a review of the diagnostic accuracy and predictive value The ABCD2 scoring system for transient ischemic attacks: a review of the diagnostic accuracy and predictive value The ABCD2 scoring system for transient ischemic attacks: a review of the diagnostic accuracy and predictive value CADTH Record Status This is a bibliographic record of a published health technology assessment from a member of INAHTA. No evaluation of the quality (...) of this assessment has been made for the HTA database. Citation CADTH. The ABCD2 scoring system for transient ischemic attacks: a review of the diagnostic accuracy and predictive value. Ottawa: Canadian Agency for Drugs and Technologies in Health (CADTH). Rapid Response - Summary with Critical Appraisal. 2014 Authors' conclusions Evidence from systematic reviews suggests there is some predictive value to ABCD2 scoring, but results are dependent on setting and method of scoring, with ABCD2 performing more poorly

2014 Health Technology Assessment (HTA) Database.

3. ABCD3 and ABCD3-I scores are superior to ABCD2 score in the prediction of short- and long-term risks of stroke after transient ischemic attack (PubMed)

ABCD3 and ABCD3-I scores are superior to ABCD2 score in the prediction of short- and long-term risks of stroke after transient ischemic attack Several risk scores have been developed to predict the stroke risk after transient ischemic attack (TIA). However, the validation of these scores in different cohorts is still limited. The objective of this study was to elucidate whether these scores were able to predict short-term and long-term risks of stroke in patients with TIA.From the Fukuoka (...) abnormal diffusion-weighted image was not. ABCD3 (C-statistics 0.61) and ABCD3-I (C-statistics 0.66) scores improved the short-term predictive ability for stroke (at 7 days) compared with the ABCD2 score (C-statistics 0.54). Addition of intracranial arterial stenosis (at 3 years, continuous net reclassification improvement 30.5%; P<0.01) and exclusion of abnormal diffusion-weighted imaging (at 3 years, continuous net reclassification improvement 24.0%; P<0.05) further improved the predictive ability

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2014 EvidenceUpdates

4. Performance of the ABCD2 score for stroke risk post TIA: meta-analysis and probability modeling (PubMed)

Performance of the ABCD2 score for stroke risk post TIA: meta-analysis and probability modeling To study the accuracy of the ABCD2 score in predicting early stroke risk following TIA and to model post-test probability of stroke for varying cutoff scores and baseline stroke risk.Medline, PubMed, Embase, conference proceedings, and manuscript references up to October 2010 were searched for studies reporting ABCD2 score and stroke outcome after TIA. Additional data were requested from authors (...) of only 2.0% while a score ≤3 indicated a 2.9% decrease in risk. Changes in risk were very small when baseline stroke risk was lower.The ABCD2 score leads to only small revisions of baseline stroke risk particularly in settings of very low baseline risk and when used by nonspecialists.

2013 EvidenceUpdates

5. Early stroke risk and ABCD2 score performance in tissue- vs time-defined TIA: a multicenter study (PubMed)

Early stroke risk and ABCD2 score performance in tissue- vs time-defined TIA: a multicenter study Stroke risk immediately after TIA defined by time-based criteria is high, and prognostic scores (ABCD2 and ABCD3-I) have been developed to assist management. The American Stroke Association has proposed changing the criteria for the distinction between TIA and stroke from time-based to tissue-based. Research using these definitions is lacking. In a multicenter observational cohort study, we have (...) investigated prognosis and performance of the ABCD2 score in TIA, subcategorized as tissue-positive or tissue-negative on diffusion-weighted imaging (DWI) or CT imaging according to the newly proposed criteria.Twelve centers provided data on ABCD2 scores, DWI or CT brain imaging, and follow-up in cohorts of patients with TIA diagnosed by time-based criteria. Stroke rates at 7 and 90 days were studied in relation to tissue-positive or tissue-negative subcategorization, according to the presence or absence

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2011 EvidenceUpdates

6. Incidence of transient ischemic attack and early stroke risk: validation of the ABCD2 score in an Italian population-based study (PubMed)

Incidence of transient ischemic attack and early stroke risk: validation of the ABCD2 score in an Italian population-based study The importance of transient ischemic attack (TIA) lies on the short-term risk of stroke, and the ABCD2 score may improve early stroke risk prediction. However, population-based studies are still needed. We aimed to provide data on TIA incidence and to evaluate the ABCD2 predictive ability for early recurrent stroke in a population-based study.This study is part of a 2 (...) % CI, 0.31-0.65) when standardized to the 2007 Italian population and 0.25 (95% CI, 0.16-0.39) when standardized to the European standard population. Estimates of stroke risk after the index TIA within 2, 7, 30, and 90 days were, respectively, 2.5% (95% CI, 0.7-6.2), 5.6% (95% CI, 2.6-10.3), 6.2% (95% CI, 3.0-11.1), and 11.2% (95% CI, 6.8-17.1). ABCD2 score was strongly associated with stroke occurrence after index TIA: the areas under the receiver operating characteristic curve at 2, 7, 30, and 90

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2011 EvidenceUpdates

7. Prospective validation of the ABCD2 score for patients in the emergency department with transient ischemic attack (PubMed)

Prospective validation of the ABCD2 score for patients in the emergency department with transient ischemic attack The ABCD2 score (Age, Blood pressure, Clinical features, Duration of symptoms and Diabetes) is used to identify patients having a transient ischemic attack who are at high risk for imminent stroke. However, despite its widespread implementation, the ABCD2 score has not yet been prospectively validated. We assessed the accuracy of the ABCD2 score for predicting stroke at 7 (primary (...) outcome) and 90 days.This prospective cohort study enrolled adults from eight Canadian emergency departments who had received a diagnosis of transient ischemic attack. Physicians completed data forms with the ABCD2 score before disposition. The outcome criterion, stroke, was established by a treating neurologist or by an Adjudication Committee. We calculated the sensitivity and specificity for predicting stroke 7 and 90 days after visiting the emergency department using the original "high-risk

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2011 EvidenceUpdates

8. An assessment of the incremental value of the ABCD2 score in the emergency department evaluation of transient ischemic attack (PubMed)

An assessment of the incremental value of the ABCD2 score in the emergency department evaluation of transient ischemic attack We study the incremental value of the ABCD2 score in predicting short-term risk of ischemic stroke after thorough emergency department (ED) evaluation of transient ischemic attack.This was a prospective observational study of consecutive patients presenting to the ED with a transient ischemic attack. Patients underwent a full ED evaluation, including central nervous (...) system and carotid artery imaging, after which ABCD2 scores and risk category were assigned. We evaluated correlations between risk categories and occurrence of subsequent ischemic stroke at 7 and 90 days.The cohort consisted of 637 patients (47% women; mean age 73 years; SD 13 years). There were 15 strokes within 90 days after the index transient ischemic attack. At 7 days, the rate of stroke according to ABCD2 category in our cohort was 1.1% in the low-risk group, 0.3% in the intermediate-risk

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2011 EvidenceUpdates

9. Addition of brain infarction to the ABCD2 Score (ABCD2I): a collaborative analysis of unpublished data on 4574 patients (PubMed)

Addition of brain infarction to the ABCD2 Score (ABCD2I): a collaborative analysis of unpublished data on 4574 patients The ABCD system was developed to predict early stroke risk after transient ischemic attack. Incorporation of brain imaging findings has been suggested, but reports have used inconsistent methods and been underpowered. We therefore performed an international, multicenter collaborative study of the prognostic performance of the ABCD(2) score and brain infarction on imaging (...) to determine the optimal weighting of infarction in the score (ABCD(2)I).Twelve centers provided unpublished data on ABCD(2) scores, presence of brain infarction on either diffusion-weighted imaging or CT, and follow-up in cohorts of patients with transient ischemic attack diagnosed by World Health Organization criteria. Optimal weighting of infarction in the ABCD(2)I score was determined using area under the receiver operating characteristic curve analyses and random effects meta-analysis.Among 4574

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2010 EvidenceUpdates

10. Population-based study of ABCD2 score, carotid stenosis, and atrial fibrillation for early stroke prediction after transient ischemic attack: the North Dublin TIA study (PubMed)

Population-based study of ABCD2 score, carotid stenosis, and atrial fibrillation for early stroke prediction after transient ischemic attack: the North Dublin TIA study Transient ischemic attack (TIA) etiologic data and the ABCD(2) score may improve early stroke risk prediction, but studies are required in population-based cohorts. We investigated the external validity of the ABCD(2) score, carotid stenosis, and atrial fibrillation for prediction of early recurrent stroke after TIA.Patients (...) , 9.7% to 29.7%) with severe stenosis/occlusion (hazard ratio=3.3; 95% CI, 1.5 to 7.4, P=0.002). In confirmed TIA cases (n=443), the ABCD(2) score performed no better than chance for prediction of 90-day stroke (c-statistic=0.55; 95% CI, 0.45 to 0.64), largely related to the 24.2% (8/33) of patients who experienced a recurrence and had low ABCD(2) scores (0-3). However, in nonspecialist-suspected TIA cases (n=700), the predictive utility improved for stroke at 28 (c-statistic=0.61; 95% CI, 0.50

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2010 EvidenceUpdates

11. Multicenter external validation of the ABCD2 score in triaging TIA patients (PubMed)

Multicenter external validation of the ABCD2 score in triaging TIA patients A simple clinical score (ABCD(2) score) has been introduced to triage TIA patients with a high early risk of stroke. External validation studies have yielded inconsistent results regarding the predictive ability of the ABCD(2) score. We aimed to prospectively validate the former score in a multicenter case series study.We prospectively calculated the ABCD(2) score (age [> or = 60 years: 1 point]; blood pressure (...) % CI 10%-22%). The ABCD(2) score accurately discriminated between TIA patients with high 7-day (c statistic 0.72, 95% CI 0.57-0.88) and 90-day (c statistic 0.75, 95% CI 0.65-0.86) risks of stroke. The 90-day risk of stroke was 7-fold higher in patients with an ABCD(2) score >3 points (28%, 95% CI 18%-38%) than in patients with an ABCD(2) score < or = 3 points (4%, 95% CI 0%-9%). After adjustment for stroke risk factors, race, history of previous TIA, medication use before the index TIA

2010 EvidenceUpdates

12. ABCD2 score predicts severity rather than risk of early recurrent events after transient ischemic attack (PubMed)

ABCD2 score predicts severity rather than risk of early recurrent events after transient ischemic attack The ABCD(2) score predicts the early risk of stroke after transient ischemic attack (TIA). However, data on the severity of recurrent events would also be useful. Do patients with high scores also have more severe early recurrent strokes, perhaps further justifying hospital admission? Do patients with low scores have a low early risk of recurrent TIA as well as recurrent stroke?We completed (...) a prospective, population-based study in Oxfordshire, England, of 500 consecutive patients presenting with TIA from April 1, 2002, by using multiple methods of case ascertainment (Oxford Vascular Study). Recurrent TIA, minor stroke, and major stroke (National Institutes of Health Stroke Scale score >3 at the time of first assessment) were identified by face-to-face follow-up. Predictive value was expressed as the area under the receiver operating characteristic curve.Of 500 patients with TIA, 55 had

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2010 EvidenceUpdates

13. Systematic review and pooled analysis of published and unpublished validations of the ABCD and ABCD2 transient ischemic attack risk scores (PubMed)

Systematic review and pooled analysis of published and unpublished validations of the ABCD and ABCD2 transient ischemic attack risk scores The ABCD system was derived to predict early risk of stroke after transient ischemic attack. Independent validations have reported conflicting results. We therefore systematically reviewed published and unpublished data to determine predictive value and generalizability to different clinical settings and users.Validations of the ABCD and ABCD2 scores were (...) subjects with 456 strokes at 7 days. Among the 16 studies of both the ABCD and ABCD2 scores, pooled AUC for the prediction of stroke at 7 days were 0.72 (0.66 to 0.78) and 0.72 (0.63 to 0.82), respectively (P diff=0.97). The pooled AUC for the ABCD and ABCD2 scores in all cohorts reporting relevant data were 0.72 (0.67 to 0.77) and 0.72 (0.63 to 0.80), respectively (both P<0.001). Predictive value varied significantly between studies (P<0.001), but 75% of the variance was accounted for by study method

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2010 EvidenceUpdates

14. A multicenter evaluation of the ABCD2 score`s accuracy for predicting early ischemic stroke in admitted patients with transient ischemic attack (PubMed)

A multicenter evaluation of the ABCD2 score`s accuracy for predicting early ischemic stroke in admitted patients with transient ischemic attack We evaluate, in admitted patients with transient ischemic attack, the accuracy of the ABCD(2) (age [A], blood pressure [B], clinical features [weakness/speech disturbance] [C], transient ischemic attack duration [D], and diabetes history [D]) score in predicting ischemic stroke within 7 days.At 16 North Carolina hospitals, we enrolled a prospective (...) , nonconsecutive sample of admitted patients with transient ischemic attack and with no stroke history, presenting within 24 hours of transient ischemic attack symptom onset. We conducted a medical record review to determine ischemic stroke outcomes within 7 days. According to a modified Rankin Scale Score, strokes were classified as disabling (>2) or nondisabling (< or =2).During a 35-month period, we enrolled 1,667 patients, of whom 373 (23%) received a diagnosis of an ischemic stroke within 7 days. Eighteen

2010 EvidenceUpdates

15. Early diffusion weighted MRI as a negative predictor for disabling stroke after ABCD2 score risk categorization in transient ischemic attack patients (PubMed)

Early diffusion weighted MRI as a negative predictor for disabling stroke after ABCD2 score risk categorization in transient ischemic attack patients The prognostic value early diffusion-weighted magnetic resonance imaging (DWMRI) adds in the setting of transient ischemic attack (TIA), after risk stratification by a clinical score, is unclear. The purpose of this study is to evaluate, after ABCD2 score risk categorization in admitted TIA patients, whether negative DWMRI performed within 24 (...) hours of symptom onset improves on the identification of patients at low risk for experiencing a disabling stroke within 90 days.At 15 North Carolina hospitals, we enrolled a prospective nonconsecutive sample of admitted TIA patients. We excluded patients not undergoing a DWMRI within 24 hours of admission and patients for whom a dichotomized (< or = or >3) ABCD2 score could not be calculated. We conducted a medical record review to determine disabling ischemic stroke outcomes within 90 days.Over 35

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2009 EvidenceUpdates

16. Does ABCD2 score below 4 allow more time to evaluate patients with a transient ischemic attack? (PubMed)

Does ABCD2 score below 4 allow more time to evaluate patients with a transient ischemic attack? The National Institute for Clinical Excellence (NICE) recommends that patients with a transient ischemic attack and ABCD(2) score > or =4 and those with >2 transient ischemic attacks within 1 week be admitted for urgent complete etiologic evaluation within 24 hours and that those with an ABCD(2) score <4 be evaluated less urgently within 1 week.Using data from 1176 patients with a definite (...) or possible transient ischemic attack or minor stroke included in the SOS-TIA registry (January 2003 to June 2007), we studied the usefulness of the conventional ABCD(2) score cutoff as well as the NICE criteria for urgent admission to a stroke unit defined as presence of symptomatic internal carotid artery stenosis > or =50%, symptomatic intracranial artery stenosis > or =50%, or major cardiac source of embolism.Among 697 patients with an ABCD(2) score <4, 20% required immediate consideration

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2009 EvidenceUpdates

17. Validation and refinement of the ABCD2 score: a population-based analysis (PubMed)

Validation and refinement of the ABCD2 score: a population-based analysis Transient ischemic attacks are a frequent diagnosis in the emergency department setting, yet expert opinion as to the proper follow-up and need for hospitalization differs widely. Recently, an effort has been made to risk-stratify patients presenting with transient ischemic attacks through scoring systems such as the ABCD and ABCD2 scales. The aim of our study was to independently validate these scores using a population (...) -based cohort.Using the data from the Rochester Stroke and Transient Ischemic Attack Registry and resources of the Rochester Epidemiology Project, medical records of all residents of Rochester, Minn, with a diagnosis of incident transient ischemic attack from 1985 through 1994 were examined (N=284). Patients were scored on the ABCD and ABCD2 scales and new scores were created by adding hyperglycemia and a history of hypertension. The end points of stroke and death were collected previously and were

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2009 EvidenceUpdates

18. The ABCD, California, and unified ABCD2 risk scores predicted stroke within 2, 7, and 90 days after TIA

The ABCD, California, and unified ABCD2 risk scores predicted stroke within 2, 7, and 90 days after TIA The ABCD, California, and unified ABCD2 risk scores predicted stroke within 2, 7, and 90 days after TIA | BMJ Evidence-Based Medicine We use cookies to improve our service and to tailor our content and advertising to you. You can manage your cookie settings via your browser at any time. To learn more about how we use cookies, please see our . Log in using your username and password (...) For personal accounts OR managers of institutional accounts Username * Password * your user name or password? Search for this keyword Search for this keyword Main menu Log in using your username and password For personal accounts OR managers of institutional accounts Username * Password * your user name or password? You are here The ABCD, California, and unified ABCD2 risk scores predicted stroke within 2, 7, and 90 days after TIA Article Text Clinical prediction guide The ABCD, California, and unified

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2008 Evidence-Based Medicine (Requires free registration)