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Background: Application of total intravenous anesthesia (TIVA) may be considered as unpractical when compared with inhalational anesthesia. Although it is mostly not recommended, mixing intravenous agents seems to be popular in clinical practice. The aim of the study was to investigate the possible clinical drawbacks of using remifentanil-propofol admixture (MIXTIVA) for TIVA.
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ASA I-II adult patients scheduled for elective thyroidectomy were randomly allocated into 3 groups (n= 32 for each) to have TIVA either with remifentanil and propofol infusions separately (control group, Group I) or with MIXTIVA infusion that had remifentanil/propofol proportion 2/1000 or 3/1000 (remifentanil concentration 20 µg/ml or 30 µg/ml in propofol 1%, Group II or Group III respectively).
This technique may be considered as a practical implementation for busy ambulatory surgery centers performing general anesthesia, but delayed recovery may be predicted with longer duration of surgery and anesthesia.
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American Society of Anesthesiologists (ASA) physical status I patients American Society of Anesthesiologists (ASA) physical status II patients
Exclusion criteria
American Society of Anesthesiologists (ASA) physical status III patients or above patients A body mass index >35 kg/m2 Pregnant patients Breast-feeding Menstruating women Patients who were not euthyroid Uncontrolled hypertension Hepatic, renal or cardiac insufficiency Alcohol, opioid or drug abuse Allergy or contraindication to any of the study drugs
96 participants in 3 patient groups
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Data sourced from clinicaltrials.gov
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