J Korean Neurosurg Soc.  2010 Apr;47(4):258-264.

Treatment for Patients with Acute Ischemic Stroke Presenting beyond Six Hours of Ischemic Symptom Onset : Effectiveness of Intravenous Direct Thrombin Inhibitor, Argatroban

Affiliations
  • 1Department of Neurosurgery, Research Institute of Clinical Medicine, Chonbuk National University Medical School and Hospital, Jeonju, Korea. neuropark21@hanmail.net

Abstract


OBJECTIVE
The objectives of this study were to analyze the outcome and hemorrhagic risk of intravenous (IV) argatroban in patients with acute ischemic stroke presenting beyond six hours of ischemic symptom onset.
METHODS
Eighty patients with acute ischemic stroke who were admitted to the hospital beyond six hours from ischemic symptom onset were retrospectively analyzed. We could not perform IV thrombolysis or intra-arterial thrombolysis because of limited time window. So, IV argatroban was performed to prevent recurrent thrombosis and progression of infarcted area. The outcome was assessed by the National Institute of Health Stroke Scale (NIHSS) score and related hemorrhagic risk was analyzed. Also, each outcome was analyzed according to the initial stroke severity, subtype, and location.
RESULTS
The median NIHSS was 8.0 at admission, 4.1 upon discharge, and 3.3 after three months. A good outcome was achieved in 81% of patients upon discharge and 88% after three months. Symptomatic hemorrhage occurred in only two patients (3%). IV argatroban was effective regardless of initial stroke severity, subtype, and location.
CONCLUSION
IV argatroban may be an effective and safe treatment modality for acute ischemic stroke presenting beyond six hours of ischemic symptom onset.

Keyword

Acute ischemic stroke; Intravenous argatroban

MeSH Terms

Hemorrhage
Humans
Pipecolic Acids
Retrospective Studies
Stroke
Thrombin
Thrombosis
Pipecolic Acids
Thrombin
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