• D Gal, R Choudhry, K A Ung, A Abadir, and M L Tancer.
• Acta Obstet Gynecol Scand. 1979 Jan 1;58(5):429-31.

AbstractA study to evaluate segmental epidural analgesia in labor is described. Bupivacaine (0.25 per cent) was used during the first stage of labor and for the second stage, either 3 per cent - Chloroprocaine delivered through the catheter (Group I) or 1 per cent Lidocaine as a perineal infiltrate (Group II) was used. There were 124 full term patients of whom, 36 were nulliparous and 88 were multiparous. The effects of segmental epidural analgesia on maternal blood pressure, pain relief, preservation of lower limb motor power, duration and progress of labor, and fetal outcome were evaluated. Pain relief during the first stage of labor was satisfactory in 114 (92 per cent) of the patients. There were no significant changes in maternal blood pressure, motor power in lower limbs, efficiency of uterine contractions and internal rotation of the presenting part when analgesia was effective. The use of 2-Chloroprocaine for second stage pain relief required low forceps delivery in 84 (91 per cent) patients, as compared to 14 (44 per cent) patients that had 1 per cent Lidocaine local infiltration. Fetal outcome, was excellent in all cases in that the one minute Apgar score was never lower than 7.

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