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首页> 外文期刊>The Journal of the South African Veterinary Association >Preliminary assessment of the AAI Index? during isoflurane anaesthesia in dogs undergoing clinical procedures
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Preliminary assessment of the AAI Index? during isoflurane anaesthesia in dogs undergoing clinical procedures

机译：对AAI指数的初步评估？接受异氟烷麻醉的狗的临床过程中

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摘要

The auditory evoked potential (AEP) is correlated to anaesthetic depth. The AEP has been used in rats, pigs, dogs and humans to assess anaesthetic depth. This study was undertaken to determine whether the AAI Index? derived from the AEP correlated with changes in end tidal isoflurane concentration in dogs. The average AAI Index was 21.8 ± 10.5 and isoflurane concentration was 1.7±0.4 %. Data were divided into 0.5 % intervals of end tidal anaesthetic agent concentration (ETAA). When ETAA values were higher than 2.5 % the AAI values were 2.1-2.5 %, 1.6-2.0 % and 1.1-1.5 % higher than AAI values although not statistically different. The 2.1-2.5 % interval was statistically different from the 1.1-1.5 % and <1.1 % interval. The 1.6-2.0 % interval was statistically different from the 1.1-1.5 % and the <1.1 % intervals. The 1.1-1.5 % interval was statistically different from the <1.1 % interval. The correlation between the AAI Index and isoflurane was -0.176 and was statistically significant (P=0.0009). A linear regression between the AAI Index and isoflurane revealed the following relationship: AAI = 29.074 - (4.2755 × isoflurane) with a power of 0.913. The polynomial regression relationship was AAI = 53.334 - (35.715 x isoflurane) + (10.322 x isoflurane2) - (0.43646 x isoflurane3) with a power of 0.999. The AAI Index was found to correlate with changes in isoflurane concentration
机译：听觉诱发电位（AEP）与麻醉深度相关。 AEP已用于大鼠，猪，狗和人中以评估麻醉深度。进行这项研究以确定AAI指数是否？从AEP中得出的结果与狗的潮汐异氟烷浓度变化相关。平均AAI指数为21.8±10.5，异氟烷浓度为1.7±0.4％。将数据分为潮气末麻醉剂浓度（ETAA）的0.5％间隔。当ETAA值高于2.5％时，AAI值分别比AAI值高2.1-2.5％，1.6-2.0％和1.1-1.5％，尽管无统计学差异。 2.1-2.5 ％间隔与1.1-1.5 ％和<1.1 ％间隔在统计上不同。统计上1.6-2.0 ％的间隔与1.1-1.5 ％和<1.1 ％的间隔有统计学差异。统计上1.1-1.5％的间隔与<1.1 %%的间隔有统计学差异。 AAI指数与异氟烷之间的相关性为-0.176，具有统计学意义（P = 0.0009）。 AAI指数与异氟烷之间的线性回归显示出以下关系：AAI = 29.074-（4.2755×异氟烷），功效为0.913。多项式回归关系为AAI = 53.334-（35.715 x异氟烷）+（10.322 x异氟烷2）-（0.43646 x异氟烷3），功效为0.999。发现AAI指数与异氟烷浓度的变化相关

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