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ABCD² score may discriminate minor stroke from TIA on patient admission.

Abstract
With the advent of time-dependent thrombolytic therapy for ischemic stroke, it has become increasingly important to differentiate transient ischemic attack (TIA) from minor stroke patients after symptom onset quickly. This study investigated the difference between TIA and minor stroke based on age, blood pressure, clinical features, duration of TIA, presence of diabetes, ABCD² score, digital subtraction angiography (DSA) and blood lipids. One hundred seventy-one patients with clinical manifestations as transient neurological deficits in Nanjing Drum Tower Hospital were studied retrospectively. All patients were evaluated by ABCD² score, blood lipid test, fibrinogen, and Holter electrocardiograph and DSA on admission. Patients were categorized into TIA group or minor stroke group according to CT and MRI scan 24 h within symptom onset. The study suggested that minor stroke patients were more likely to have a higher ABCD² score (odds ratio (OR) 2.060; 95% confidence interval (CI) 1.293-3.264). Receiver-operating characteristic curves identified ABCD² score >4 as the optimal cut-off for minor stroke diagnosis. Total serum cholesterol seemed a better diagnostic indicator to discriminate minor stroke from TIA (OR 4.815; 95% CI 0.946-1.654) than other blood lipids in simple logistic regression, but not valuable for the differentiation between TIA and minor stroke in multivariate logistic regression. Higher severity of intracranial internal carotid stenosis, especially >90%, were more likely to have minor stroke, but was not a reliable diagnostic indicator (P > 0.05). ABCD² could help clinicians to differentiate possible TIA from minor stroke at hospital admission while blood lipid parameters and artery stenosis location offer limited help.
AuthorsHui Zhao, Qingjie Li, Mengru Lu, Yuan Shao, Jingwei Li, Yun Xu
JournalTranslational stroke research (Transl Stroke Res) Vol. 5 Issue 1 Pg. 128-35 (Feb 2014) ISSN: 1868-601X [Electronic] United States
PMID24323709 (Publication Type: Journal Article, Research Support, Non-U.S. Gov't)
Topics
  • Adult
  • Aged
  • Female
  • Hospitalization
  • Humans
  • Ischemic Attack, Transient (diagnosis)
  • Magnetic Resonance Angiography
  • Male
  • Middle Aged
  • Risk Factors
  • Severity of Illness Index
  • Stroke (diagnosis)
  • Young Adult

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