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To evaluate the efficacy and safety of catheter-based thrombectomy for reperfusion by removing a thrombus in a cerebral blood vessel in patients with acute cerebral infarction (within 8 hours after onset), in whom intravenous administration of tissue plasminogen activator (t-PA) is not indicated or reperfusion cannot be achieved by intravenous t-PA administration.
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Inclusion criteria
Exclusion criteria
Patients who manifest the following:
Patients who have two or more different major cerebrovascular occlusions requiring treatment
Patients with an allergy to contrast agents or who cannot receive them or those who have a serious metal allergy
Patients who received heparin within 48 hours and have Partial Thromboplastin Time (PTT)/Activated Partial Thromboplastin Time (APTT) > twice the upper limit of normal
Patients with known bleeding tendencies or coagulation deficiency or who have received oral anticoagulants (such as warfarin), and who have (PT-) International Normalized Ratio (INR) >3
Patients with platelet count <30,000 /mm3
Patients with blood glucose levels <50 mg/dL
Patients with uncontrolled hypertension (systolic BP >185 mmHg and diastolic BP >110 mmHg)
Patients with expected life expectancy <90 days
Female patients who are pregnant or breast feeding
Patients who are participating in clinical trials of drugs or medical devices
Patients disqualified from participation in the study by the investigator (sub-investigator) due to reasons other than the above
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Interventional model
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50 participants in 1 patient group
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Data sourced from clinicaltrials.gov
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