Sevoflurane Bispectralindex(BIS) Minimal alveolar concentration(MAC) Cirrhosis Hepatic resection Sevoflurane Bispectralindex(BIS) Minimal alveolar concentration(MAC) Cirrhosis Hepatic resection
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: - patient who was scheduled for major hepatic resection(definition is anatomic hepatic resection more than 2 segments such as right hepatectomy, left hepatectomy , extended right hepatectomy , left lobectomy or extended left hepatectomy) with specialty hepatobiliary surgeon under combined general-epidural anesthesia at King Chulalongkorn Memorial Hostipal - age 20-65 years - American Society of Anesthesiology Physical Status (ASA) I-III ASA I : A normal healthy patient (Examples include Healthy, non-smoking, no or minimal alcohol use) ASA II : A patient with mild systemic disease Mild diseases only without substantive functional limitations (Examples include current smoker, social alcohol drinker, pregnancy, obesity (30 3 months) of MI, CVA, TIA, or CAD/stents.)
Exclusion criteria
Exclusion criteria: - refuse to participate this study - allergy to any drug in this study - serious diseases other than liver diseases, such as cardiovascular, respiratory or endocrine system conditions - contraindication for epidural catheter - taking chronic sedatives drug and opioid - alcoholics or drug abuse - psychaitic problems - a body mass index (BMI) ≥30 kg/m 2 - history of malignant hyperthermia
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| End tidal Sevoflurane Peri-operative peroid Percentage of end tidal Sevoflurane during peri-operative peroid | — |
Secondary
| Measure | Time frame |
|---|---|
| Volume of Sevoflurane consumption Peri-operative peroid milliliter of Sevoflurane consumption ,minimal alveolar concentration(MAC) Peri-operative peroid mean of minimal alveolar concentration(MAC) | — |
Countries
Thailand
Contacts
Faculty of medicine, Chulalongkorn University