Publications of Ahmed Khalil

Hu, J.; Kirilina, E.; Nierhaus, T.; Ovadia‐Caro, S.; Livne, M.; Villringer, K.; Margulies, D.; Fiebach, J. B.; Villringer, A.; Khalil, A.: A novel approach for assessing hypoperfusion in stroke using spatial independent component analysis of resting‐state fMRI. Human Brain Mapping (2021)

Aydin, O. U.; Taha, A. A.; Hilbert, A.; Khalil, A.; Galinovic, I.; Fiebach, J. B.; Frey, D.; Madai, V. I.: An evaluation of performance measures for arterial brain vessel segmentation. BMC Medical Imaging 21 (1), 113 (2021)

Kufner, A.; Khalil, A.; Galinovic, I.; Kellner, E.; Mekle, R.; Rackoll, T.; Boehm-Sturm, P.; Fiebach, J. B.; Flöel, A.; Ebinger, M. et al.; Endres, M.; Nave, A. H.: Magnetic resonance imaging-based changes in vascular morphology and cerebral perfusion in subacute ischemic stroke. Journal of Cerebral Blood Flow and Metabolism (2021)

Kossen, T.; Subramaniam, P.; Madai, V. I.; Hennemuth, A.; Hildebrand, K.; Hilbert, A.; Sobesky, J.; Livne, M.; Galinovic, I.; Khalil, A. et al.; Fiebach, J. B.; Frey, D.: Synthesizing anonymized and labeled TOF-MRA patches for brain vessel segmentation using generative adversarial networks. Computers in Biology and Medicine 131, 104254 (2021)

Aydin, O. U.; Taha, A. A.; Hilbert, A.; Khalil, A.; Galinovic, I.; Fiebach, J. B.; Frey, D.; Madai, V. I.: On the usage of average Hausdorff distance for segmentation performance assessment: Hidden error when used for ranking. European Radiology Experimental 5, 4 (2021)

Tanrıtanır, A. C.; Villringer, K.; Galinovic, I.; Grittner, U.; Kirilina, E.; Fiebach, J. B.; Villringer, A.; Khalil, A.: The effect of scan length on the assessment of BOLD delay in ischemic stroke. Frontiers in Neurology 11, 381 (2020)

Fan, A. P.; Khalil, A.; Fiebach, J. B.; Zaharchuk, G.; Villringer, A.; Villringer, K.; Gauthier, C. J.: Elevated brain oxygen extraction fraction measured by MRI susceptibility relates to perfusion status in acute ischemic stroke. Journal of Cerebral Blood Flow and Metabolism 40 (3), pp. 539 - 551 (2020)

Khalil, A.; Villringer, K.; Filleböck, V.; Hu, J.-Y.; Rocco, A.; Fiebach, J. B.; Villringer, A.: Non-invasive monitoring of longitudinal changes in cerebral hemodynamics in acute ischemic stroke using BOLD signal delay. Journal of Cerebral Blood Flow and Metabolism 40 (1), pp. 23 - 34 (2020)

Villringer, K.; Zimny, S.; Galinovic, I.; Nolte, C. H.; Fiebach, J. B.; Khalil, A.: The association between recanalization, collateral flow, and reperfusion in acute stroke patients: A dynamic susceptibility contrast MRI study. Frontiers in Neurology 10, 1147 (2019)

Castillo, X.; Castro-Obregón, S.; Gutiérrez-Becker, B.; Gutiérrez-Ospina, G.; Karalis, N.; Khalil, A.; Lopez-Noguerola, J. S.; Lozano Rodríguez, L.; Martínez-Martínez, E.; Perez-Cruz, C. et al.; Pérez-Velázquez, J.; Piña, A. L.; Rubio, K.; García, H. P. S.; Syeda, T.; Vanoye-Carlo, A.; Villringer, A.; Winek, K.; Zille, M.: Re-thinking the etiological framework of neurodegeneration. Frontiers in Neuroscience 13, 728 (2019)

Bayrak, S.; Khalil, A.; Villringer, K.; Fiebach, J.; Villringer, A.; Margulies, D. S.; Ovadia-Caro, S.: The impact of ischemic stroke on connectivity gradients. NeuroImage: Clinical 24, 101947 (2019)

Ovadia-Caro, S.; Khalil, A.; Sehm, B.; Villringer, A.; Nikulin, V. V.; Nazarova, M.: Predicting the response to non-invasive brain stimulation in stroke. Frontiers in Neurology 10, 302 (2019)

Khalil, A.; Mueller, S.; Foddis, M.; Mosch, L.; Lips, J.; Przesdzing, I.; Temme, S.; Flögel, U.; Dirnagl, U.; Boehm-Sturm, P.: Longitudinal 19F magnetic resonance imaging of brain oxygenation in a mouse model of vascular cognitive impairment using a cryogenic radiofrequency coil. Magnetic Resonance Materials in Physics, Biology and Medicine 32 (1), pp. 105 - 144 (2019)

Galinovic, I.; Kochova, E.; Khalil, A.; Villringer, K.; Piper, S. K.; Fiebach, J. B.: The ratio between cerebral blood flow and Tmax predicts the quality of collaterals in acute ischemic stroke. PLoS One 13 (1), e0190811 (2018)

Khalil, A.; Ostwaldt, A.-C.; Nierhaus, T.; Ganeshan, R.; Audebert , H. J.; Villringer, K.; Villringer, A.; Fiebach, J. B.: Relationship between changes in the temporal dynamics of the blood-oxygen-level-dependent signal and hypoperfusion in acute ischemic stroke. Stroke 48 (4), pp. 925 - 931 (2017)

Khalil, A.; Kirilina, E.; Villringer, K.; Fiebach, J.; Villringer, A.: Perfusion maps based on temporal blood-oxygen-level-dependent signal delays are driven by alterations in lowfrequency oscillations between 0.01 and 0.1 Hz. In Journal of Cerebral Blood Flow and Metabolism, 37 (1, Suppl.), p. 169 - 169. Lippincott Williams & Wilkins, New York (2017)

Khalil, A.; Mueller, S.; Foddis, M.; Dirnagl, U.; Fiebach, J.; Villringer, A.; Boehm-Sturm, P.: Perfusion-related changes in the temporal dynamics of the blood-oxygen-level-dependent signal in a mouse model of focal cerebral ischemia. In Journal of Cerebral Blood Flow and Metabolism, 37 (1, Suppl.), p. 289 - 289. Lippincott Williams & Wilkins, New York (2017)

Bayrak, S.; Khalil, A.; Villringer, K.; Fiebach, J.; Villringer, A.; Margulies, D. S.; Ovadia-Caro, S.: Mapping the effects of stroke lesions on gradients of resting-state functional connectivity. 24th Annual Meeting of the Organization of Human Brain Mapping, Singapore (2018)