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- Title
Extracorporeal tumor cell filtration during extended liver surgery: first clinical use of leukocyte depletion filters – a case series.
- Authors
Oldhafer, Karl J.; Stavrou, Gregor A.; Donati, Marcello; Kaudel, Philipp; Frühauf, Nils R.
- Abstract
Background: During oncologic surgery, intraoperative manipulation of tumor tissue is almost unpreventable and causes a high risk of tumor cell dissemination into venous blood. A tumor cell-reducing effect of leukocyte adhesion filter systems has been shown under in vitro conditions. Methods: In a first clinical attempt, leukocyte adhesion filters were integrated into veno-venous bypass systems in four patients undergoing extended liver surgery for secondary hepatic malignancies. Practicability, handling, and safety aspects as well as potency of cell removal and clinical side effects of the filter system were analyzed. Results: All patients tolerated the application of the system without problems during operative and postoperative follow-up. Immunohistochemical staining of perioperative blood samples detected cytokeratin positive (CK+) cells in three cases during the hepatic mobilization. Conclusions: Effectiveness of CK+ cell depletion and safety of the procedure was shown. The presented surgical technique represents a safe and innovative tool; however, clinical significance has to be examined in a larger patient cohort.
- Subjects
CANCER cells; LIVER surgery; LEUCOCYTES; LIVER metastasis; VENOUS pressure
- Publication
World Journal of Surgical Oncology, 2013, Vol 11, Issue 1, p1
- ISSN
1477-7819
- Publication type
Article
- DOI
10.1186/1477-7819-11-159