OBJECTIVES: This study aimed to evaluate the progress of future liver remnant volume (FLRV) in patients with liver metastases after portal vein embolization (PVE) with the application of hematopoietic stem cells (HSCs) and compare it with a patients control group after PVE only. METHODS: Twenty patients (group 1) underwent PVE with contralateral HSC application. Subsequently, CT volumetry with the determination of FLRV was performed at weekly intervals, in total three weeks. A sample of twenty patients (group 2) who underwent PVE without HSC application was used as a control group. RESULTS: The mean of FLRV increased by 173.2 mL during three weeks after the PVE/HSC procedure, whereas by 98.9 mL after PVE only (p = 0.015). Furthermore, the mean daily growth of FLRV by 7.6 mL in group 1 was significantly higher in comparison with 4.1 mL in group 2 (p = 0.007). CONCLUSIONS: PVE with the application of HSC significantly facilitates growth of FLRV in comparison with PVE only. This method could be one of the new suitable approaches to increase the resectability of liver tumours.

Department of Haemato Oncology University Hospital and Faculty of Medicine in Pilsen Charles University Prague Czech Republic

Department of Imaging Methods University Hospital and Faculty of Medicine in Pilsen Charles University Prague Czech Republic

Department of Surgery University Hospital and Faculty of Medicine in Pilsen Charles University Prague Czech Republic

lej Svobody 80 30460 Plzeň Czech Republic

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