| The Effect of Anesthesia with Propofol-N2O on Neonate and Maternal Awareness during Cesarean Section. |
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Keon Ho Do, Joung Ho Kim, Byung Soon Park, Hoon Soo Kang |
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Department of Anesthesiology, Dongkang Hospital, Ulsan, Korea. |
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| Abstract |
BACKGROUND
In anesthesia for cesarean section, there is an increased incidence of maternal awareness because a light plane of general anesthesia is chosen for fetal safety and rapid recovery. Propofol may be the choice if smooth induction and rapid maternal recovery are desired. Authors tried to know that propofol has properties which suggest that it might be useful alternative to thiopental and enflurane.
METHODS
Forty patients in ASA class I or II scheduled for cesarean section were allocated randomly to either propofol (n=20) (P) or thiopental-enflurane (n=20) (T-E) group.
Anesthesia was induced with propofol 2 mg/kg IV and maintained by continuous infusion of propofol 8 mg/kg/hr in P group and was induced with thiopental 4 mg/kg IV and maintained by inhalation of 1 vol% enflurane in T-E group.
All patients received vecuronium 0.1 mg/kg and 50% N2O-O2.
Blood pressure, heart rate, Apgar score, umbilical arterial blood gas analysis and the incidence of maternal awareness using the isolated forearm technique (IFT) were evaluated.
RESULTS
Diastolic pressure was decreased in P group than T-E group at 10 min after delivery. Heart rate was increased in P group than T-E group at immediate after extubation (p<0.05). For apgar score, umbilical artery gas analysis and maternal awareness there were not significant differences between two groups.
CONCLUSIONS
In comparison with thiopental-enflurane, propofol infusion (8 mg/kg/hr) coupled with N2O was proved to be clinically satisfactory anesthesia for cesarean section with no adverse effects on both mother and neonate. |
| Key Words:
Anesthetics, intravenous: propofol; thiopental; Memory: awareness; Surgery: obstetrics |
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