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[18F]-FMISO PET/MRI Imaging Shows Ischemic Tissue around Hematoma in Intracerebral Hemorrhage

Intracerebral hemorrhage (ICH), being the most severe cerebrovascular disease, accounts for 10–15% of all strokes. Hematoma expansion is one of the most important factors associated with poor outcome in intracerebral hemorrhage (ICH). Several studies have suggested that an “ischemic penumbra” might...

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Published in:Molecular pharmaceutics 2020-12, Vol.17 (12), p.4667-4675
Main Authors: Gómez-Lado, Noemí, López-Arias, Esteban, Iglesias-Rey, Ramón, Díaz-Platas, Lucía, Medín-Aguerre, Santiago, Fernández-Ferreiro, Anxo, Posado-Fernández, Adrián, García-Varela, Lara, Rodríguez-Pérez, Manuel, Campos, Francisco, Del Pino, Pablo, Ruibal, Álvaro, Pardo-Montero, Juan, Castillo, José, Aguiar, Pablo, Sobrino, Tomás
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cited_by cdi_FETCH-LOGICAL-a363t-bbb0fa82678e85d332ee0581b93e1b0f7de1c0cc42ab866002730c820259f12d3
cites cdi_FETCH-LOGICAL-a363t-bbb0fa82678e85d332ee0581b93e1b0f7de1c0cc42ab866002730c820259f12d3
container_end_page 4675
container_issue 12
container_start_page 4667
container_title Molecular pharmaceutics
container_volume 17
creator Gómez-Lado, Noemí
López-Arias, Esteban
Iglesias-Rey, Ramón
Díaz-Platas, Lucía
Medín-Aguerre, Santiago
Fernández-Ferreiro, Anxo
Posado-Fernández, Adrián
García-Varela, Lara
Rodríguez-Pérez, Manuel
Campos, Francisco
Del Pino, Pablo
Ruibal, Álvaro
Pardo-Montero, Juan
Castillo, José
Aguiar, Pablo
Sobrino, Tomás
description Intracerebral hemorrhage (ICH), being the most severe cerebrovascular disease, accounts for 10–15% of all strokes. Hematoma expansion is one of the most important factors associated with poor outcome in intracerebral hemorrhage (ICH). Several studies have suggested that an “ischemic penumbra” might arise when the hematoma has a large expansion, but clinical studies are inconclusive. We performed a preclinical study to demonstrate the presence of hypoxic–ischemic tissue around the hematoma by means of longitudinal [18F]-fluoromisonidazole ([18F]-FMISO) PET/MRI studies over time in an experimental ICH model. Our results showed that all [18F]-FMISO PET/MRI images exhibited hypoxic–ischemic tissue around the hematoma area. A significant increase of [18F]-FMISO uptake was found at 18–24 h post-ICH when the maximum of hematoma volume is achieved and this increase disappeared before 42 h. These results demonstrate the presence of hypoxic tissue around the hematoma and open the possibility of new therapies aimed to reduce ischemic damage associated with ICH.
doi_str_mv 10.1021/acs.molpharmaceut.0c00932
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title [18F]-FMISO PET/MRI Imaging Shows Ischemic Tissue around Hematoma in Intracerebral Hemorrhage
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