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알코올에 의해 유발된 진정 및 수행 장애에 대한 카페인의 반전 효과

Caffeine Reversal of Ethanol-Induced Sedation and Performance Impairment

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참고문헌

키워드

주제분류정신과학

초록

연구목적: 저자들은 알코올의 진정 작용과 수행 붕괴 효과에 대한 카페인의 영향을 확인하기 위해 이 연구를 시행하였다. 방법: 건강한 19세에서 25세 사이의 대학생 지원자 14명을 대상으로 Epsworth Slippiness Scale(ESS), Standford Sleepiness Scale(SSS), Visual Analogue Sclae(VAS), Vienna test, Multiple Sleep Latency Test(MSLT) and Breath Ethanol Concentration(BrEC)을 측정하였다. 결과 : 알코올(1.0g/kg)은 투여 후 5시간까지 입면잠복기를 단축시키며, 카페인(300mg)은 이러한 단축을 현저히 개선시키는 반전 효과가 있었다. 알코올(1.0g/kg)은 투여 후 3-5시간 동안 주간 졸음과 피로감을 유발하며, 카페인(150-300mg)은 졸음과 피로감을 개선시키는 효과가 있었다. 경계력은 알코올(0.5-1.0g/kg) 투여 1시간 후 유의하게 저하되었고 카페인(150-300mg) 투여 3시간 후부터 개선되었으며, 집중력은 알코올(1.0g/kg) 투여 후 변화가 없었으나 카페인 투여 3시간 후부터 유의하게 향상되었고, 단기 기억은 알코올과 카페인 투여에 유의한 변화가 나타나지 않았다. 기준일, 알코올 투여일, 알코올 및 카페인 투여일에서 각 변량(SSS, MSLT, 졸음, 피로감, 기분, 집중력, 경계력, 단기 기억력)간에는 일관성 있는 유의한 관계가 나타나지 않았다. 정상인에서 알코올은 입면잠복기를 단축시키고 주간 졸음과 피로감을 유발하며, 카페인은 알코올에 의해 유발된 입면잠복기의 단축을 연장시키고 주간 졸음과 피로감 및 경계력과 주의 집중력을 개선시키는 효과가 있었다. 결론 : 카페인은 알코올의 진정 및 수행 붕괴 효과를 반전시키는 효과가 있음을 알 수 있었다.

Abstract

Objectives : The authors performed this study to identify the effects of caffeine on the alcohol's sedative and performance disruptive effects. Methods : Epsworth Sleeppiness Scale(ESS), Stanford Sleepiness Scale(SSS), Visual Analogue Scale(VAS), Vienna test, Multiple Sleep Latency Test(MSLT) and Breath Ethanol Concentration(BrEC) were checked for the 14 young and healthy college student volunteers aging from 19 to 25 years. Results : Alcohol(1.0g/kg) reduced sleep latency until 5 hours after administration and caffeine(300mg) reversed this effect significantly. Alcohol(1.0g/kg) induced daytime sleepiness and fatigue 3-5 hours after administration and caffeine(150mg-300mg) improved sleepiness and fatigue. Vigilance was decreased significantly 1 hour after alcohol administration(0.5-1.0g/kg) and improved 3 hours after caffeine administration(150-300mg) and attention was not changed after alcohol administration(1.0g/kg) but improved significantly 3 hours after caffeine administration and short-term memory was not changed significantly after alcohol and caffeine administration. On the baseline, the day of alcohol administration only, and alcohol and caffeine administration day, between each variable(SSS, MSLT, sleepiness, fatigue, mood, vigilance, concentration, and short-term memory) did not show significant consistent correlation. Conclusion : Alcohol decreases sleep latency and induces daytime sleepiness and fatigue, and caffeine prolonges sleep latency and improves daytime sleepiness, fatigue, vigilance and attention in normal subjects. These results showed caffeine reverses alcohol's sedative and performance-disruptive effects.

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