Plasma cortisol,luteinizing hormone (LH), and prolactin secretory responses to cardiopulmonary bypass |
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| Authors: | Hiromasa Yokota Yasunaru Kawashima Soichi Hashimoto Hisao Manabe Toshio Onishi Toshihiro Aono Keishi Matsumoto |
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| Affiliation: | Departments of Surgery, Obstetrics and Gynecology, and Second Pathology and The Central Laboratory for Clinical Investigation, Osaka University Medical School, Osaka, Japan |
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| Abstract: | We measured the plasma levels of cortisol, luteinizing hormone (LH), and prolactin before, during, and after open heart surgery using cardiopulmonary bypass in seven male patients.The levels of cortisol and prolactin were high immediately before the beginning of perfusion. During and after perfusion, increased secretion of cortisol and prolactin was observed.The secretion of LH increased 30 min after the skin incision, but it decreased to the control levels immediately before perfusion. These levels did not change during and after perfusion. The secretory responses of these hormones during perfusion were almost identical to those in the state of physiological circulation. |
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| Keywords: | Address correspondence to Hiromasa Yokota M. D. First Department of Surgery Osaka University Medical School Fukushima-ku Osaka Japan |
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