| Comparison of TIVA and VIMA for Endocrine Stress Response and Anesthesia Characteristics. |
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Hong Soo Jung, Dae Woo Kim, Jin Woo Choi, Yoo Jin Kang, Yong Gul Lim, Keon Hee Ryu |
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Department of Anesthesiology and Pain Medicine, College of Medicine, The Catholic University of Korea, Seoul, Korea. VINCNT@chol.com |
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| Abstract |
BACKGROUND
Anesthetic procedures are major potent stimulus for the neuroendocrine hormonal axis, which results in release of the stress hormone. It is important to know the influence of specific anesthetic procedures on those host responses. We compared endocrine stress response and anesthesia characteristics for TIVA (total intravenous anesthesia) and VIMA (volatile induction and maintenance of anesthesia).
METHODS
Forty patients scheduled for elective total abdominal hysterectomy were randomly assigned to TIVA or VIMA group. The patients in TIVA group (n = 20) received target controlled infusion (TCI) of propofol and fentanyl TCI with Stelpump software, and the patients in VIMA group (n = 20) received sevoflurane-nitrous oxide for induction (6%) and maintenance (1.5%) of anesthesia. Blood sampling was done 5 minutes before induction (baseline blood sample, BBS), just after intubation (intubation blood sample, IBS), just after extubation (extubation blood sample, EBS), and at arrival in recovery room (recovery room blood sample, RBS).
Plasma concentration of glucose, cortisol, epinephrine, norepinephrine were measured. Bispectal Index (BIS) and systolic, diastolic blood pressure, heart rate, induction and recovery profiles were also measured.
RESULTS
In both groups, there was significant increase of the blood cortisol and glucose level in EBS and RBS. But only in VIMA group, there was significant increase of the blood cortisol level in IBS. There was no change of the blood epinephrine and norepinephrine in both groups at EBS and RBS, but only in VIMA group, there was significant increase of epinephrine and norepinephrine at IBS. Blood pressure and heart rate increased significantly at IBS in VIMA group, compared with TIVA group.
CONCLUSIONS
In VIMA group, there was significant increase of stress response and hemodynamic change only during induction of anesthesia. However, in TIVA group, there was no significant increase of stress response and hemodynamic change during induction, maintenance and recovery of anesthesia. |
| Key Words:
propofol; sevoflurane; stress response; target controlled infusion; TIVA; VIMA |
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