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1.
Chinese Journal of Rehabilitation Theory and Practice ; (12): 25-27, 2004.
Artículo en Chino | WPRIM | ID: wpr-977716

RESUMEN

@#ObjectiveTo study the effect and mechanism of vagus nerve stimulation(VNS) on seizure in animal with epilepsy.MethodsSeizures of 34 rats and 8 rabbits were induced by Penicillin, Kainic acid(KA) and Strychnice respectively. Electrocorticographic(ECoG), electrical activition of hippocampal neurons and behaviour were observed to evidence the effects of left intermittent VNS .ResultsVNS could suppress seizures in animal models with epilepsy. There were significant changes in epileptiform ECoG, discharges of hippcampal neuron and behaviour. ConclusionSomatic seizure can be effectively inhibited by visceral afferent inputs through integration in cortical and hippocampal parts.

2.
Chinese Journal of Applied Physiology ; (6): 98-103, 2004.
Artículo en Chino | WPRIM | ID: wpr-333704

RESUMEN

A Review: A concept of tissue adaptation to hypoxia (i. e. hypoxic preconditioning) was developed and its corresponding animal models were reproduced in 1966s. The methods of model reproduction in rat, rabbit, and mouse in particular and the main results are briefly introduced in this review. The tolerance to hypoxia of preconditioned animals is significantly increased. Regular changes in animals' behavior, neurophysiology, respiratory and circulatory physiology, neuron morphology in vivo and function of brain and spinal cord in vitro are briefly demonstrated. The protective effects in vivo and in vitro of homogenate extract taken from the brain of preconditioned animals, neurochemicals and molecular neurobiological alterations are briefly presented. The essence and significance of tissue adaptation to hypoxia/hypoxic preconditioning are discussed in the review in terms of evolution and practical implication.


Asunto(s)
Animales , Ratones , Conejos , Ratas , Encéfalo , Metabolismo , Fisiología , Modelos Animales de Enfermedad , Hipoxia , Metabolismo
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