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Adequate anesthetic induction dose in a morbidly obese patient based on bioelectrical impedance analysis. -Case report-

병적 비만 환자에서 생체 전기 임피던스 분석을 이용한 적절한 마취 유도 용량 -증례보고-

  • Lee, Ki-Jae (Department of Anesthesiology and Pain Medicine, Jeonbuk National University Medical School and Hospital) ;
  • Choi, Seungseo (Department of Anesthesiology and Pain Medicine, Jeonbuk National University Medical School and Hospital) ;
  • Baek, Seon Ju (Department of Anesthesiology and Pain Medicine, Jeonbuk National University Medical School and Hospital) ;
  • Kim, Dong-Chan (Department of Anesthesiology and Pain Medicine, Jeonbuk National University Medical School and Hospital) ;
  • Lee, Jeongwoo (Department of Anesthesiology and Pain Medicine, Jeonbuk National University Medical School and Hospital) ;
  • Lee, Jun Ho (Department of Anesthesiology and Pain Medicine, Jeonbuk National University Medical School and Hospital)
  • 이기재 (전북대학교병원 마취통증의학과) ;
  • 최승서 (전북대학교병원 마취통증의학과) ;
  • 백선주 (전북대학교병원 마취통증의학과) ;
  • 김동찬 (전북대학교병원 마취통증의학과) ;
  • 이정우 (전북대학교병원 마취통증의학과) ;
  • 이준호 (전북대학교병원 마취통증의학과)
  • Received : 2020.09.02
  • Accepted : 2020.10.20
  • Published : 2020.10.28

Abstract

Background: The dosage of the anesthetic drugs is generally determined by the total body weight of the patients. However, the drugs can be overdosed when the patient is morbidly obese. We have determined anesthetic induction dose based on lean body mass estimated from bioelectrical impedance analysis (BIA). Case: We report a case of morbidly obese patient (161 cm, 138 kg and body mass index 53.1) who had an elective laparoscopic cholecystectomy. The dose of induction agent was determined by lean body mass estimated by BIA, and the sedation was assessed by the observer's assessment alertness/sedation scale. Conclusions: Dose determination through lean body mass measured by BIA is useful in highly obese patients.

배경: 마취약제의 용량은 일반적으로 환자의 총체중량으로 결정된다. 그러나 병적 비만 환자에서 그 용량은 과량투여 되기 쉽다. 약물의 적절한 용량을 결정하는 기준은 다소 모호하지만, 마취 유도시 생체 전기 임피던스 분석(BIA)을 통해 마른체중을 구하여 마취 유도용량을 결정할 수 있다. BIA를 통해 총체내수분을 구하고, 체내수분을 제외한 체중을 쉽게 계산할 수 있다. 증례: 복강경 담낭절제술이 예정된 병적 비만 환자(161 cm, 138 kg and 체질량지수 53.1)의 증례를 보고하고자 한다. BIA로 예측한 마른체중을 통해 마취 유도제의 용량을 결정하고, 각성/진정척도를 통해 진정 상태를 평가하였다. 결론: BIA로 측정한 마른체중을 통해 약물 용량을 결정하는 것은 병적 비만 환자에서 유용하다.

Keywords

References

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