• Obstetrics and gynecology · Oct 1992

    Historical Article

    The introduction of nitrous oxide analgesia into obstetrics.

    • G F Marx and T Katsnelson.
    • Department of Anesthesiology, Albert Einstein College of Medicine, Bronx, New York.
    • Obstet Gynecol. 1992 Oct 1;80(4):715-8.

    AbstractNitrous oxide analgesia was introduced into obstetrics by a young Polish-Russian physician who manufactured the gas himself, mixed it with oxygen, humidified the mixture with water vapor, and devised a mouthpiece for self-administration. After assessing the results on himself, he evaluated the effects on pain relief, maternal emotion, and maternal and fetal heart rates, as well as on the frequency, duration, and strength of uterine contractions in 25 parturients. He recognized that, in contrast to chloroform, nitrous oxide did not alter uterine activity. He concluded that the advantages of nitrous oxide administration far outweighed its disadvantages.

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