Comparison of automated infarct core volume measures between non-contrast computed tomography and perfusion imaging in acute stroke code patients evaluated for potential endovascular treatment

IntroductionPatients with small core infarction and salvageable penumbra are likely to benefit from endovascular treatment (EVT). As computed tomography perfusion imaging (CTP) is not always available 24/7 for patient selection, many patients transferred stroke centers CTP. We compared automatically measured infarct volume (NCCTcore) the non-contrast (NCCT) ischemic (CTPcore) CTP outcome of EVT clarify if NCCTcore measurement alone sufficient identify that transfer EVT.Patients methodsWe included all consecutive stroke-code imaged both NCCT at Helsinki University Hospital during 9/2016–01/2018. CTPcore volumes were calculated acute images. Follow-up (FIV) was 24 h follow-up evaluate efficacy EVT. To study whether could be used eligible EVT, we sub-grouped based on (>50 mL ≥ 70 mL).ResultsOut 1743 patients, baseline NCCTcore, 288 patients. Median time symptom onset 74 min (IQR 52–118), 24.15 (22.25–26.33). Baseline 20 (10–42), 4 (0–16), FIV 5 (1–49). Out 23 had 26 mL. performed similarly well in predicting large (≥70 ml).ConclusionNCCTcore a promising tool due cores imaging.