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CT perfusion derived relative cerebral blood volume < 42 % is negatively associated with poor functional outcomes at discharge in anterior circulation large vessel occlusion stroke.
CT perfusion derived relative cerebral blood volume < 42 % is negatively associated with poor functional outcomes at discharge in anterior circulation large vessel occlusion stroke. Journal of clinical neuroscience : official journal of the Neurosurgical Society of Australasia Lakhani, D. A., Balar, A. B., Vagal, V., Salim, H., Mei, J., Koneru, M., Wen, S., Berksu Ozkara, B., Lu, H., Wang, R., Xu, R., Nabi, M., Mazumdar, I., Cho, A., Chen, K., Sepehri, S., Deng, F., Hyson, N., Urrutia, V., Luna, L. P., Sriwastwa, A., Hillis, A. E., Heit, J. J., Albers, G. W., Rai, A. T., Dmytriw, A. A., Faizy, T. D., Wintermark, M., Nael, K., Yedavalli, V. S. 2024; 130: 110907Abstract
Recent studies have shown that the CT Perfusion (CTP) parameter of rCBV < 42 % lesion volume can predict 90-day functional outcomes in stroke patients. However, its correlation with discharge outcomes, including functional dependence, has not been investigated. Our study aims to evaluate the relationship between rCBV < 42 % and poor functional outcomes at discharge, defined as a modified Rankin score (mRS) of 3 or higher.This retrospective study analyzed patients with confirmed occlusion on CT angiography, who also received CT perfusion between 9/1/2017 and 10/01/2023. Statistical tests (Student's T, Mann-Whitney U, and Chi-Square) were used to assess differences. Univariable and multivariable logistic regression analyses were performed to evaluate the associations of rCBV < 42 % with discharge mRS. A p-value = 0.05 was considered significant.A total of 268 patients [median age: 68 years (IQR: 59-77), 56.3 % female] met the inclusion criteria. Among them, 85 patients (31.7 %) received intravenous thrombolysis (IVT), and 221 patients (82.5 %) underwent mechanical thrombectomy (MT). After adjusting for various variables, logistic regression analysis indicated that rCBV < 42 % lesion volume was associated with poor functional outcomes at discharge (aOR = 0.97, p < 0.05). T.The rCBV < 42 % could be a valuable tool in prognosticating AIS-LVO patients.
View details for DOI 10.1016/j.jocn.2024.110907
View details for PubMedID 39536379