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Influence of Different Fixing Methods on Cardiac Index in C57 Mice of Wild Type andβ-adrenoceptor Knockout Mice / 世界科学技术-中医药现代化
World Science and Technology-Modernization of Traditional Chinese Medicine ; (12): 249-253, 2014.
Artigo em Chinês | WPRIM | ID: wpr-446436
ABSTRACT
This study was aimed to choose the best fixing method of electrocardiogram (ECG) measurement in mice by comparison of ECG index in three different fixing ways. Changes of ST amplitude and heart rate in ECG were measured in the self-made mouse sets, tape bundling or breathing anesthesia state. The amplitudes of the ST seg-ment in C57BL6 mice and β1/β2-AR double knockout mice were elevated in tape bundling or breathing anesthesia state in comparison with that in the self-made mouse sets (all P < 0.01). The heart rate under the tape bundling state in C57BL6 mice was significantly faster than that in the self-made mouse sets (P< 0.05 or P< 0.01). And the heart rate under anesthesia in β1/β2-AR double knockout mice was significantly slower than that in tape bundling state or the self-made mouse sets (both P < 0.01). It was concluded that relative to the binding and anesthesia method, fixing mouse in the self-made mouse sets, which can more truly reflect the physiological or pathological states, is a relatively good fixing method of ECG measurement in experimental study.

Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Idioma: Chinês Revista: World Science and Technology-Modernization of Traditional Chinese Medicine Ano de publicação: 2014 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Idioma: Chinês Revista: World Science and Technology-Modernization of Traditional Chinese Medicine Ano de publicação: 2014 Tipo de documento: Artigo