Volume 22, Issue 4 pp. 389-398
Original Article

Effects of Bioreactor-Oxygenation During Extracorporeal Granulocytes Treatment in Septic Patients

Martin Sauer

Corresponding Author

Martin Sauer

Department of Anesthesiology and Intensive Care Medicine, University Hospital of Rostock, Rostock, Germany

Fraunhofer Institute for Cell Therapy and Immunology, Rostock, Germany

Address correspondence and reprint requests to Dr Martin Sauer, Department of Anesthesiology and Intensive Care Medicine, University Hospital Rostock, Schillingallee 35, 18055 Rostock, Germany. Email: [email protected]Search for more papers by this author
Georg Richter

Georg Richter

Department of Anesthesiology and Intensive Care Medicine, University Hospital of Rostock, Rostock, Germany

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Jens Altrichter

Jens Altrichter

Artcline GmbH, Rostock, Germany

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Thomas Wild

Thomas Wild

Fraunhofer Institute for Cell Therapy and Immunology, Rostock, Germany

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Fanny Doß

Fanny Doß

Fraunhofer Institute for Cell Therapy and Immunology, Rostock, Germany

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Thomas Mencke

Thomas Mencke

Department of Anesthesiology and Intensive Care Medicine, University Hospital of Rostock, Rostock, Germany

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Johannes Ehler

Johannes Ehler

Department of Anesthesiology and Intensive Care Medicine, University Hospital of Rostock, Rostock, Germany

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Sandra Doß

Sandra Doß

Fraunhofer Institute for Cell Therapy and Immunology, Rostock, Germany

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Stephanie Koch

Stephanie Koch

Fraunhofer Institute for Cell Therapy and Immunology, Rostock, Germany

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Anton Schubert

Anton Schubert

Department of Surgery, University Hospital of Rostock, Rostock, Germany

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Gabriele Nöldge-Schomburg

Gabriele Nöldge-Schomburg

Department of Anesthesiology and Intensive Care Medicine, University Hospital of Rostock, Rostock, Germany

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Steffen R Mitzner

Steffen R Mitzner

Department of Medicine (Division of Nephrology), University Hospital of Rostock, Rostock, Germany

Fraunhofer Institute for Cell Therapy and Immunology, Rostock, Germany

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First published: 08 February 2018
Citations: 4
[Correction added on 7 March 2018, after first online publication: Co-author, Dr Johannes Ehler, has been added in the author list.]

Abstract

A granulocyte bioreactor for the extracorporeal treatment was developed to enhance the immune cell function in patients with severe sepsis. The influence of oxygenation on the used cells was tested in a prospective clinical study. Ten patients with severe sepsis were treated twice with the granulocyte bioreactor. The used cells were screened for functionality; values of blood gases, glucose and lactate were obtained from the recirculating bioreactor circuit. Five patients were treated with an oxygenator setup (Oxy group), five without oxygenator (Non-Oxy group). The overall in-hospital mortality was 50%. Significantly lower values of oxygen saturation, partial oxygen pressure, lactate, oxyburst and phagocytosis were seen in the Non-Oxy group compared with the Oxy group in the bioreactor circuit. Further studies with this approach are encouraged and should focus on the influence of oxygenation on production of reactive oxygen species and cytokines of used cells.

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