NIH Common Data Elements (CDE) Repository

General Details:

Name:: Clinical stroke time-based definition type
Steward:: NINDS
Definition:: Indicates the type of clinical stroke suffered by the adult patient, using duration of symptoms to distinguish between ischemic stroke and TIA.
Registration Status:: Qualified

Value	Code Name	Code Description
Ischemic Stroke	Ischemic Stroke	Ischemic Stroke
Transient Ischemic Attack (TIA)	Transient Ischemic Attack (TIA)	Transient Ischemic Attack (TIA)
Intracerebral hemorrhage (ICH)	Intracerebral hemorrhage (ICH)	Intracerebral hemorrhage (ICH)
Intraventricular hemorrhage (IVH)	Intraventricular hemorrhage (IVH)	Intraventricular hemorrhage (IVH)
Subarachnoid hemorrhage (SAH)	Subarachnoid hemorrhage (SAH)	Subarachnoid hemorrhage (SAH)
Clinical Stroke of Uncertain Type	Clinical Stroke of Uncertain Type	Clinical Stroke of Uncertain Type
Silent Stroke (Clinically Asymptomatic)	Silent Stroke (Clinically Asymptomatic)	Silent Stroke (Clinically Asymptomatic)

Definition:: Indicates the type of clinical stroke suffered by the adult patient, using duration of symptoms to distinguish between ischemic stroke and TIA.
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Document:: The "NINDS Stroke Common Data Element (CDE) Project, Stroke Types and Subtypes Subgroup: Recommendations" has detailed definitions for each stroke type. That document also suggests using a term like "Acute Neurovascular Syndrome" for patients with relatively brief symptom duration (e.g., symptoms that persist several hours but less than a day), who do not receive a detailed diagnostic imaging evaluation and thus it is not possible to determine whether stroke or TIA is the most appropriate diagnosis. <br />Sacco RL, Kasner SE, Broderick JP, Caplan LR, Connors JJ, Culebras A, Elkind MS, George MG, Hamdan AD, Higashida RT, Hoh BL, Janis LS, Kase CS, Kleindorfer DO, Lee JM, Moseley ME, Peterson ED, Turan TN, Valderrama AL, Vinters HV; American Heart Association Stroke Council, Council on Cardiovascular Surgery and Anesthesia; Council on Cardiovascular Radiology and Intervention; Council on Cardiovascular and Stroke Nursing; Council on Epidemiology and Prevention; Council on Peripheral Vascular Disease; Council on Nutrition, Physical Activity and Metabolism. An updated definition of stroke for the 21st century: a statement for healthcare professionals from the American Heart Association/American Stroke Association. Stroke. 2013;44(7):2064-2089.<br />Available at: http://stroke.ahajournals.org.