Ginekol Pol
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The use of subarachnoid anesthesia in Cesarean section in spite of its long history only now gains popularity. It is due to better knowledge of physiology and anatomy of a pregnant woman an the use of new local anesthetics and better needles for spinal anesthesia in clinical practice. Analgesia comprising segments Th4-S5 of the spinal cord provides painless operation and good muscle relaxation. ⋯ The course of analgesia is very much influenced by preventing hypotension. It is done by fast infusion of 1500-2000 ml of electrolyte fluids within about 20 min., and the use of ephedrine. The prophylaxis of headaches consists in the use of very thin needles in spinal anesthesia.(ABSTRACT TRUNCATED AT 250 WORDS)