|ECR 2018 / C-1208|
|Perfusional defects on CTP for the early detection of delayed cerebral ischemia (DCI) after aneurysmal subarachnoid hemorrage (aSAH).|
For diagnosing DCI on the CTP maps shows a significant reduction of CBV and increase of MTT (356/415 patients 85.83%) suggestive for vasospasm that lead poor outcome 12.64% (45/356); the positive predictive values (PPVs) were 0.81 (0.58 to 0.95) for the MTT and negative predictive values (NPVs) 0.57 (0.18 TO 0.90) for the detection of microangiopaty in the DCI group. Patients with severe vasospasm on CTA, have PPVs and NPVs values that did not significantly differ on MTT and CBF analysis.
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