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Korean J Anesthesiol > Volume 32(1); 1997 > Article
Korean Journal of Anesthesiology 1997;32(1):67-73.
DOI: https://doi.org/10.4097/kjae.1997.32.1.67   
Clinical Evaluation of One: Syringe Total Intravenous Anesthesia ( TIVA ).
Joon Ku Hwang, Seung Joon Lee, Ho Yeong Kil, Young Joon Yoon
Department of Anesthesiology, Hallym University, College of Medicine, Seoul, Korea.
Abstract
BACKGROUND
In TIVA, it was controversy which was more appropriate to increase the concentration of the analgesic or of the hypnotic according to the intensity of the surgical stimulus. We used preset infusion dose of propofol and fentanyl mixed with pancuronium through a single syringe for expected better control of hemodynamics.
METHODS
Vital signs and recovery scores were observed in thirty patients undergoing total abdominal hysterectomy using one-syringe TIVA in which we used premixed fentanyl(150mcg), propofol(450mg) and pancuronium(2 mg) in one syringe. Induction of anesthesia was performed by injection of propofol 1.5~2 mg/kg, fentanyl 1.5~2 mcg/kg, pancuronium 0.1 mg/kg and ventilated with 100% oxygen after endotracheal intubation. Infusion was started by 1 ml/kg/hr of mixed solution immediately after intubation. If the vital sign changed more than 15% compared with preoperative value, flow rate either increased or decreased by 50%. If stable vital signs were maintained for more than 15 minutes, the flow rate decreased by 20% every 15 min, but were maintained above 0.5 ml/kg/hr. Two to four minutes before skin incision and peritoneal traction, an additional 10 ml of mixed solution was infused. Solution without fentanyl and pancuronium was infused after peritoneal closure for early recovery. Ten to fifteen minutes before the operation was completed, infusion was discontinued and neuromuscular block was reversed.
RESULTS
Blood pressure and pulse rate were stable and did not significantly change even after intubation or peritoneal traction compared with preoperative value. And, recovery from anesthesia was prompt 15 min after extubation except 2 cases of respiratory depression.
CONCLUSIONS
One-syringe TIVA may be an feasible alternative method to replace conventional multi-syringe TIVA.
Key Words: Anesthetic techniques One-syringe total intravenous anesthesia; Monitoring vital signs; recovery scores
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