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Cerebral blood volume index in the era of thrombectomy-treated large and medium vessel ischemic strokes.

Cerebral blood volume index in the era of thrombectomy-treated large and medium vessel ischemic strokes. Journal of neurointerventional surgery Koneru, M., Lakhani, D. A., Xu, R., Salim, H. A., Urrutia, V. C., Marsh, E. B., Dmytriw, A. A., Guenego, A., Llinas, R. H., Hillis, A. E., Nael, K., Wintermark, M., Albers, G. W., Heit, J. J., Faizy, T. D., Yedavalli, V. 2025

Abstract

The cerebral blood volume index (CBV index) is a perfusion-based marker of collateral status. Several real-world data analyses from observational stroke cohorts have established relationships between this parameter and a range of favorable and unfavorable stroke outcomes. In this review, an overview is provided of the CBV index, within the context of thrombectomy-treated large vessel and medium vessel occlusion ischemic strokes. The current literature is summarized describing the CBV index and its association with a variety of efficacy, safety, and clinical outcome measures during the thrombectomy course and post-treatment recovery in both large vessel occlusion and medium vessel occlusion strokes. The range of CBV index value thresholds that have been identified and are able to differentiate between favorable and unfavorable outcomes across different clinical scenarios are summarized. This review underscores the need for additional analyses to further explore the CBV index in other clinical outcome contexts and for future prospective studies to validate the CBV index in thrombectomy-treated large vessel and medium vessel occlusion strokes, especially with increasing use of thrombectomy for treating medium vessel occlusions.

View details for DOI 10.1136/jnis-2024-022609

View details for PubMedID 39824593