International veterinary epilepsy task force recommendations for systematic sampling and processing of brains from epileptic dogs and cats

26 de maio de 2021

Força-tarefa internacional de epilepsia veterinária- recomendações para amostragem sistemática e processamento de encéfalos de cães e gatos epilépticos


Kaspar Matiasek, Martí Pumarola i Batlle, Marco Rosati, Francisco Fernández-Flores, Andrea Fischer, Eva Wagner, Mette Berendt, Sofie F. M. Bhatti,  Luisa De Risio, Robyn G. Farquhar, Sam Long, Karen Muñana, Edward E. Patterson, Akos Pakozdy, Jacques Penderis, Simon Platt, Michael Podell, Heidrun Potschka, Clare Rusbridge, Veronika M. Stein, Andrea Tipold, Holger A. Volk


Traditionally, histological investigations of the epileptic brain are required to identify epileptogenic brain lesions, to evaluate the impact of seizure activity, to search for mechanisms of drug-resistance and to look for comorbidities. For many instances, however, neuropathological studies fail to add substantial data on patients with complete clinical work-up. This may be due to sparse training in epilepsy pathology and or due to lack of neuropathological guidelines for companion animals. The protocols introduced herein shall facilitate systematic sampling and processing of epileptic brains and therefore increase the efficacy, reliability and reproducibility of morphological studies in animals suffering from seizures. Brain dissection protocols of two neuropathological centres with research focus in epilepsy have been optimised with regards to their diagnostic yield and accuracy, their practicability and their feasibility concerning clinical research requirements The recommended guidelines allow for easy, standardised and ubiquitous collection of brain regions, relevant for seizure generation. Tissues harvested the prescribed way will increase the diagnostic efficacy and provide reliable material for scientific investigations.


Canine, Feline, Seizures, Hippocampus, Ictogenic, Epileptogenic, Processing, Neuropathology


Canino, Felino, Convulsões, Hipocampo, Ictogênica, Epileptogênica, Processamento, Neuropatologia

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