Long-term outcome after ischaemic stroke/transient ischaemic attack. 2003

Graeme J Hankey
Stroke Unit, Royal Perth Hospital and Department of Medicine, University of Western Australia, Perth, WA, Australia. gjhankey@cyllene.uwa.edu.au

During the first 30 days after a stroke, the case fatality is about 25% and the major cause of death is the index stroke and its sequelae. The most consistent predictor of 30-day mortality after stroke is stroke severity. Other predictors include increasing age, a history of previous stroke, cardiac failure, and a high blood glucose concentration and white blood cell count. Other less common, but important, causes of early mortality are recurrent ischaemic stroke and a coronary event. The risk of a recurrent cerebrovascular event is highest in the first month (4%) and year (12%) after a stroke and transient ischaemic attack (TIA), probably reflecting the presence of active, unstable atherosclerotic plaque. Thereafter, the risk of a recurrent cerebrovascular event falls to about 5% per year, similar to the risk of a coronary event. During years 1-5 after a TIA and ischaemic stroke, cardiovascular disease increasingly becomes the major cause of death, reflecting the generalized nature of atherothrombosis, the most common cause of the index stroke. The most robust predictor of death within 1-5 years after stroke is increasing age, closely followed by cardiac failure. Additional baseline predictors of longer-term mortality include a history of previous symptomatic atherothrombosis (TIA, ischaemic stroke, peripheral arterial disease, and early-onset ischaemic heart disease), risk factors for atherothrombosis (smoking), other heart diseases (cardiac failure, atrial fibrillation) and increasing stroke severity. Lacunar syndromes can be predictive of relative longevity. At 5 years after stroke, survival is about 40%, and about half of survivors are disabled and dependent. The most robust predictors of disability at 5 years after stroke are increasing age, stroke severity, and recurrent stroke. The most powerful predictor of early recurrent stroke (within 30 days after stroke) is an atherosclerotic ischaemic stroke caused by large-artery atherosclerosis with >50% stenosis, whereas the strongest predictor of stroke recurrence over 5 years is diabetes. Other predictors of recurrent stroke include increasing age, previous TIA, atrial fibrillation, high alcohol consumption, haemorrhagic index stroke, and hypertension at discharge. The clinical implication of these findings is that strategies for optimizing long-term outcome after TIA and stroke should be directed toward reducing the high risk of recurrent stroke and coronary events by removing/recanalizing the symptomatic atherosclerotic plaque, controlling the underlying causal vascular risk factors, and administering long-term, effective antiplatelet therapy.

UI MeSH Term Description Entries
D011379 Prognosis A prediction of the probable outcome of a disease based on a individual's condition and the usual course of the disease as seen in similar situations. Prognostic Factor,Prognostic Factors,Factor, Prognostic,Factors, Prognostic,Prognoses
D002318 Cardiovascular Diseases Pathological conditions involving the CARDIOVASCULAR SYSTEM including the HEART; the BLOOD VESSELS; or the PERICARDIUM. Adverse Cardiac Event,Cardiac Events,Major Adverse Cardiac Events,Adverse Cardiac Events,Cardiac Event,Cardiac Event, Adverse,Cardiac Events, Adverse,Cardiovascular Disease,Disease, Cardiovascular,Event, Cardiac
D002546 Ischemic Attack, Transient Brief reversible episodes of focal, nonconvulsive ischemic dysfunction of the brain having a duration of less than 24 hours, and usually less than one hour, caused by transient thrombotic or embolic blood vessel occlusion or stenosis. Events may be classified by arterial distribution, temporal pattern, or etiology (e.g., embolic vs. thrombotic). (From Adams et al., Principles of Neurology, 6th ed, pp814-6) Brain Stem Ischemia, Transient,Cerebral Ischemia, Transient,Crescendo Transient Ischemic Attacks,Transient Ischemic Attack,Anterior Circulation Transient Ischemic Attack,Brain Stem Transient Ischemic Attack,Brain TIA,Brainstem Ischemia, Transient,Brainstem Transient Ischemic Attack,Carotid Circulation Transient Ischemic Attack,Posterior Circulation Transient Ischemic Attack,TIA (Transient Ischemic Attack),Transient Ischemic Attack, Anterior Circulation,Transient Ischemic Attack, Brain Stem,Transient Ischemic Attack, Brainstem,Transient Ischemic Attack, Carotid Circulation,Transient Ischemic Attack, Posterior Circulation,Transient Ischemic Attack, Vertebrobasilar Circulation,Transient Ischemic Attacks, Crescendo,Vertebrobasilar Circulation Transient Ischemic Attack,Attack, Transient Ischemic,Attacks, Transient Ischemic,Brainstem Ischemias, Transient,Cerebral Ischemias, Transient,Ischemia, Transient Brainstem,Ischemia, Transient Cerebral,Ischemias, Transient Brainstem,Ischemias, Transient Cerebral,Ischemic Attacks, Transient,TIA, Brain,TIAs (Transient Ischemic Attack),Transient Brainstem Ischemia,Transient Cerebral Ischemia,Transient Cerebral Ischemias,Transient Ischemic Attacks
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D016896 Treatment Outcome Evaluation undertaken to assess the results or consequences of management and procedures used in combating disease in order to determine the efficacy, effectiveness, safety, and practicability of these interventions in individual cases or series. Rehabilitation Outcome,Treatment Effectiveness,Clinical Effectiveness,Clinical Efficacy,Patient-Relevant Outcome,Treatment Efficacy,Effectiveness, Clinical,Effectiveness, Treatment,Efficacy, Clinical,Efficacy, Treatment,Outcome, Patient-Relevant,Outcome, Rehabilitation,Outcome, Treatment,Outcomes, Patient-Relevant,Patient Relevant Outcome,Patient-Relevant Outcomes
D018570 Risk Assessment The qualitative or quantitative estimation of the likelihood of adverse effects that may result from exposure to specified health hazards or from the absence of beneficial influences. (Last, Dictionary of Epidemiology, 1988) Assessment, Risk,Benefit-Risk Assessment,Risk Analysis,Risk-Benefit Assessment,Health Risk Assessment,Risks and Benefits,Analysis, Risk,Assessment, Benefit-Risk,Assessment, Health Risk,Assessment, Risk-Benefit,Benefit Risk Assessment,Benefit-Risk Assessments,Benefits and Risks,Health Risk Assessments,Risk Analyses,Risk Assessment, Health,Risk Assessments,Risk Benefit Assessment,Risk-Benefit Assessments
D020521 Stroke A group of pathological conditions characterized by sudden, non-convulsive loss of neurological function due to BRAIN ISCHEMIA or INTRACRANIAL HEMORRHAGES. Stroke is classified by the type of tissue NECROSIS, such as the anatomic location, vasculature involved, etiology, age of the affected individual, and hemorrhagic vs. non-hemorrhagic nature. (From Adams et al., Principles of Neurology, 6th ed, pp777-810) Apoplexy,Cerebral Stroke,Cerebrovascular Accident,Cerebrovascular Apoplexy,Vascular Accident, Brain,CVA (Cerebrovascular Accident),Cerebrovascular Accident, Acute,Cerebrovascular Stroke,Stroke, Acute,Acute Cerebrovascular Accident,Acute Cerebrovascular Accidents,Acute Stroke,Acute Strokes,Apoplexy, Cerebrovascular,Brain Vascular Accident,Brain Vascular Accidents,CVAs (Cerebrovascular Accident),Cerebral Strokes,Cerebrovascular Accidents,Cerebrovascular Accidents, Acute,Cerebrovascular Strokes,Stroke, Cerebral,Stroke, Cerebrovascular,Strokes,Strokes, Acute,Strokes, Cerebral,Strokes, Cerebrovascular,Vascular Accidents, Brain

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