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Full length article| Volume 135, ISSUE 5, P637-646, November 01, 1979

Blood flow to fetal organs as a function of arterial oxygen content

  • Author Footnotes
    * Supported by a grant of the Stichting “De Drie Lichten,” The Hague, The Netherlands. Present address: St. Radboud Hospital, University of Nijmegen, Geert Grooteplein Zuid 14, Nijmegen, The Netherlands.
    Louis L.H. Peeters
    Footnotes
    * Supported by a grant of the Stichting “De Drie Lichten,” The Hague, The Netherlands. Present address: St. Radboud Hospital, University of Nijmegen, Geert Grooteplein Zuid 14, Nijmegen, The Netherlands.
    Affiliations
    From the Division of Perinatal Medicine, Department of Physiology, Pediatrics and Obstetrics and Gynecology, University of Colorado Medical Center, Denver, Colorado
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  • Roger E. Sheldon
    Affiliations
    From the Division of Perinatal Medicine, Department of Physiology, Pediatrics and Obstetrics and Gynecology, University of Colorado Medical Center, Denver, Colorado
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  • M. Douglas Jones Jr.
    Affiliations
    From the Division of Perinatal Medicine, Department of Physiology, Pediatrics and Obstetrics and Gynecology, University of Colorado Medical Center, Denver, Colorado
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  • Edgar L. Makowski
    Affiliations
    From the Division of Perinatal Medicine, Department of Physiology, Pediatrics and Obstetrics and Gynecology, University of Colorado Medical Center, Denver, Colorado
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  • Giacomo Meschia
    Correspondence
    Department of Physiology, University of Colorado Medical Center, Denver, Colorado 80262
    Affiliations
    From the Division of Perinatal Medicine, Department of Physiology, Pediatrics and Obstetrics and Gynecology, University of Colorado Medical Center, Denver, Colorado
    Search for articles by this author
  • Author Footnotes
    * Supported by a grant of the Stichting “De Drie Lichten,” The Hague, The Netherlands. Present address: St. Radboud Hospital, University of Nijmegen, Geert Grooteplein Zuid 14, Nijmegen, The Netherlands.
DOI:https://doi.org/10.1016/S0002-9378(16)32989-1
Blood flow to fetal organs as a function of arterial oxygen content
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      In a sheep preparation the blood flow to fetal organs was studied 3 to 10 days after surgery by means of the microsphere technique over a range of fetal arterial O2 content from 6 to 1 mM. Blood flows to neural tissues (cerebrum, cerebellum, brain stem), heart, and the adrenals increased in inverse relation to arterial O2 content. As a result the arterial supply of O2 to these organs tended to remain constant over the O2 range studied. Blood flow to the fetal lungs decreased progressively with hypoxia. The blood flow to kidneys, digestive tract, pancreas, and carcass had a tendency to remain constant or increase gradually in the transition from high to moderately low levels of arterial O2 content and then to decrease abruptly in more severe hypoxia. Umbilical blood flow did not change systematically in relation to arterial O2 content.
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      Article Info

      Publication History

      Accepted: December 14, 1978
      Received in revised form: December 5, 1978
      Received: September 12, 1978

      Footnotes

      Supported in part by the National Foundation–March of Dimes Grant 1-302, by United States Public Health Service Research Grant HD-00781, and by United States Public Health Service Training Grants HD-00429 and HD-00065.

      Identification

      DOI: https://doi.org/10.1016/S0002-9378(16)32989-1

      Copyright

      © 1979 The C. V. Mosby Co. Published by Elsevier Inc. All rights reserved.

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