Background and Purpose Symptomatic intracranial hemorrhage (SICH) after mechanical thrombectomy (MT) is generally considered to be a critical complication. The objective of our study was to evaluate the correlation between contrast media type and incidence of SICH after ET.
Materials and Methods Consecutive 78 patients (32 men; mean 81.8 years, [range, 44 to 98]) MT successfully performed (TICI 2a-3) for acute large-vessel occlusion ischemic stroke (ICA, M1, M2) within 8 hours after symptom onset between April 2020 and March 2023 were retrospectively reviewed. Correlation between contrast media type (iso-osmolar or low-osmolar) and incidence of SICH was assessed.
Results Either iso-osmolar (n: 45) or low-osmolar (n: 33) were included. Incidence of SICH was 6.4%. SICH occurred in 1 of 45 (2.2%) in the iso-osmolar group and in 5 of 33 patients (12.1%) in the low-osmolar group (P = 0.078).
Conclusions Iso-osmolar contrast media may be associated with a lower incidence of SICH compared with low-osmolar contrast media in patients after ET.
Disclosures K. Takayama: None. K. Myouchin: None. T. Wada: None.
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