The Effect of Implementing Hyper-acute Stroke Guidelines on Decision-Making for or Against Thrombolytic Therapy for Stroke in the Emergency Department

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Study Classification

OBSERVATIONAL

Brief Summary

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The objective of this study is to determine if the implementation of guidelines utilizing immediate CT Perfusion and CT Angiography in addition to non-contrast CT alters (reduces or increases) the time to decision-making for or against rt-PA in acute ischemic stroke, and by extension, time to therapy in treated patients and time to transfer from the department for all patients. A secondary objective is to determine if using CTP/CTA-inclusive hyperacute stroke guidelines improves safety by decreasing symptomatic intracerebral hemorrhage and mortality in patients who receive rt-PA.

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Detailed Description

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Conditions

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Stroke

Study Design

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Observational Model Type

COHORT

Study Time Perspective

RETROSPECTIVE

Study Groups

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Before guidelines implemented

No interventions assigned to this group

After guidelines implemented

No interventions assigned to this group

Eligibility Criteria

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Inclusion Criteria

* Patients presenting to the emergency Signs and symptoms of acute ischemic stroke: impairment of language, motor function, cognition and/or gaze, vision or neglect.
* Patients with an NIH Stroke Scale score \> 4

Exclusion Criteria

* Age less than 19
* Patient symptomatic for greater than five hours. Intravenous thrombolytic therapy must be instituted within three hours of symptom onset in order to minimize the risk of Intracerebral or symptomatic hemorrhage; other interventions such as intra-arterial thrombolytic therapy and clot retrieval allow for a six-hour window. One hour is an achievable time for arrival to institution of therapy, therefore a five-hour limit on enrollment allows the greatest number of patients the possibility of therapy.
* Inability to verify a clear onset of symptoms. As noted, time elapsed since the patient's last known baseline state is correlated to Intracerebral and symptomatic hemorrhage, and therapy is approved only for patients with a clear time of onset.

Minimum Eligible Age

19 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No