Journal of the Korea Academia-Industrial cooperation Society (한국산학기술학회논문지)

The Korea Academia-Industrial cooperation Society (한국산학기술학회)
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The relationship between lowest bispectral index value and age in high spinal anesthesia

고위 척추마취에서 마취심도감시장치를 이용한 나이에 따른 진정 정도의 비교

  • Hwang, Byeong-Mun (Department of Anesthesiology and Pain Medicine, Kangwon National University Hospital, Kangwon National University Medical School)
  • 황병문 (강원대학교 의학전문대학원 마취통증과)
  • Received : 2013.02.12
  • Accepted : 2013.05.09
  • Published : 2013.05.31
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Abstract

The aim of this study was to quantify the sedative effects of high spinal anesthesia, according to patient age, by also evaluating respiratory and hemodynamic changes. A prospective study was performed in 60 patients who were electively scheduled for lower limb or lower abdominal surgery. They were allocated into one of 2 groups according to their age: older age (51-80 years) and young age (20-50 years). In all groups, the lowest intraoperative bispectral index (BIS) values significantly lower than preoperative values. Patients in the older age group had significantly lower intraoperative BIS values than younger patients. The sedative effect of high spinal anesthesia is greater in older patients than in young patients, with an increase in respiratory instability. Our study showed a negative correlation between age and lowest BIS value; the lowest BIS value was reduced in older patients.

본 연구는 2011년 8월 16일부터 2012년 7월 11일 사이에 고위 척추마취를 겪는 환자에서 나이에 따른 진정정도의 차이를 호흡기 및 순환기 생체징후의 변화와 함께 마취심도감시장치를 이용하여 객관적으로 알아보고자 하였다. 대상자는 하지나 하복부 수술을 시행할 예정인 20세에서 80세 사이의 성인 60명으로 하였으며, 나이에 따라 20세에서 50세 사이, 51세에서 80세 사이의 환자 군으로 나누었다. 두 그룹은 각각 30명의 환자를 대상으로 하였다. 두 군 모두에서 마취심도수치는 수술 전에 비해 낮게 나왔다. 수술 중 가장 낮은 마취심도수치는 노인 군에서 젊은이 군에 비해 낮았다. 가장 낮은 마취심도수치와 나이는 음의 상관관계를 보여주었다. 노인 군은 젊은이 군에 비해 수술 중 90% 이하의 낮은 산소포화도를 가진 환자수도 많았다. 고위 척추마취 하에서 노인 환자들은 젊은이에 비해 증가된 저산소혈증과 함께 깊은 진정 효과를 보였다.

Keywords

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