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Clinical Observation |

Recovery From Lymphocytopenia and Prognosis After Adult Extracorporeal Membrane Oxygenation

Koji Kawahito, MD, PhD; Eiji Kobayashi, MD, PhD; Yoshio Misawa, MD, PhD; Hideo Adachi, MD, PhD; Akio Fujimura, MD, PhD; Takashi Ino, MD, PhD; Katsuo Fuse, MD, PhD
Arch Surg. 1998;133(2):216-217. doi:10.1001/archsurg.133.2.216.
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Extracorporeal circulation severely impairs the host immune system. Also decreases in circulatory lymphocytes correlate with greater degrees of surgical damage. In this study, the pattern of recovery from lymphocytopenia after extracorporeal membrane oxygenation was retrospectively evaluated from a prognostic viewpoint. The results showed that the circulatory lymphocyte count of survivors returned to normal levels within 5 days after their being weaned from extracorporeal membrane oxygenation, while the circulatory lymphocyte count of nonsurvivors remained at low levels. Because it is easy to measure the number of peripheral lymphocytes, the changing pattern of the circulatory lymphocytes might be a simple and reliable prognostic factor after extracorporeal membrane oxygenation.

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The number of peripheral lymphocytes before and after weaning from extracorporeal membrane oxygenation (ECMO). Open circles indicate the survival after weaning from ECMO; solid circles, the nonsurvival group after weaning; asterisk, statistically significant at P<.05.

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