TABLE 1:

Characteristics of patients with and without hemorrhagic transformation after IA reperfusion therapy

Hemorrhagic TransformationNo Hemorrhagic TransformationP Value
Patient demographics
Number of cases1319
Mean age (years)65.267.9.63
Female (%)46.2%52.6%.99
Clinical characteristics
Left-hemispheric MCA lesions (%)33.3%38.5%.20
Mean initial NIHSS score19.917.6.20
Mean initial serum glucose (mg/dl)186173.63
Patients on antithrombotics (%)53.8%42.1%.99
Treatment characteristics
Mean time from symptoms to initial image (hours)2.041.77.56
Mean time from symptoms to treatment (hours)4.334.22.80
Mean time from treatment to recanalization (hours)0.920.95.92
Patients with recanalization <6 h after onset (%)69.2%57.9%.71
Patients receiving GP-IIbIIIa inhibitors (%)54.0%52.9%.99
Patients receiving IV tPA (%)15.4%15.8%1.0
Mean dose IA tPA (all patients) (mg)13.710.9.31
Mean total dose tPA (IV + IA patients) (mg)24.522.9.87
  • Note.—GP indicates glycoprotein; IA, intraarterial; IV, intravenous; MCA, middle cerebral artery; NIHSS, National Institutes of Health Stroke Scale; tPA, tissue plasminogen activator.