| Clinical Survey of Spinal Anesthesia for Cesarean Section ( 12 years ) . |
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Young Joo Lee, Choon Hi Lee |
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Department of Anesthesiology, Ewha Womans University, College of Medicine, Seoul, Korea. |
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| Abstract |
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The Ewha Womans University Hospital performed 1757 cases of Spinal anesthesia for Cesarean: section out of a total of 9044 anesthetic experiences which had been performed during the 12 years up to August 1972. The following is a summary of observations on 1757 pregnant women conducted by statistical comparison between primary Cesarean section and repeat Cesarean section, between anesthetic dosages, spinal anesthetic level, initial time of fall in blood pressure upon the induction of spinal anesthesia and Apgar score of newborns. 1) General and spinal anesthesia were observed to have been increasing gradually up to 1970. Spinal anesthesia had increased more than general anesthesia and in 1971 general anesthesia increased considerably. 2) Ages of pregnant women ranged from 18 to 49 years. The number in the third decade of pregnant women who had Cesarean section under spinal anesthesia exceeded those in the fourth decade.
Primary Cesarean sections performed by this hospital were 1337 cases, more than 3 times the 420 cases of repeat Cesarean section. Primary Cesarean section was done more in the third decade than in the fourth decade. However, repeat Cesarean section was performed more in the fourth decade than in the third decade. 3) The dosage of the local anesthetic, tetracaine hydrochloride, during the period varied from 4.1 mg to 15.0 mg. Before 1968, the dosage was given in large quantities, but since then tearacine hydrochloride 6.0 mg to 7.0 mg has been given to most cases.
4) As to anesthetic level, 96.6% was performed to T6 and T6 properly. 5) Blood pressure initiated a drop within 10 minutes in 85.1% of cases after the induction of anesthesia.
6) Apgar scores of 8 or above were reached in 94.2%. |
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