Table 5

Univariate analysis of predictors of parenchymal hematoma after endovascular stroke therapy

VariablePH (n=96) (N (%))No ICH (n=759) (N (%))p Value
Demographics
 Age (years) (mean±SD)69±1466±160.09
 NIHSS (mean±SD)18±616±60.009
 Female50 (52)393 (52)0.85
 Diabetes mellitus21 (22)156 (21)0.44
 Hypertension73 (76)518 (68)0.09
 Atrial fibrillation48 (50)265 (35)0.003
 Time to treatment (min±SD)290±139296±1620.75
 TIMI 2–3 recanalization67 (70)520 (69)0.91
Clot location
 M1 MCA52 (54)369 (49)0.18
 Carotid terminus16 (17)142 (19)0.37
 Tandem occlusion13 (14)94 (12)0.74
 M2 MCA13 (13)129 (17)0.47
 Extracranial ICA2 (2)25 (3)0.76
Therapy
 IV tPA29 (30)234 (31)0.50
 Merci embolectomy61 (63)411 (54)0.05
 Penumbra thrombectomy14 (15)88 (12)0.25
 Angioplasty27 (28)189 (25)0.53
Stent placement21 (22)145 (19)0.31
 IA tPA39 (41)408 (54)0.009
 Pharmacologic therapy only15 (16)191 (25)0.02
 Mechanical therapy only34 (35)184 (24)0.014
 Multimodal therapy only47 (49)385 (51)0.41
  • ICA, internal carotid artery; ICH, intracranial hemorrhage; MCA, middle cerebral artery; NIHSS, National Institutes of Health Stroke Scale; PH, parenchymal hematoma; TIMI, Thrombolysis in Myocardial Infarction; tPA, tissue plasminogen activator.