Autologous Bone Marrow Stem Cell Mobilization Induced by Granulocyte Colony-Stimulating Factor After Subacute ST-Segment Elevation Myocardial Infarction Undergoing Late Revascularization
Final Results From the G-CSF-STEMI (Granulocyte Colony-Stimulating Factor ST-Segment Elevation Myocardial Infarction) Trial
Markus G. Engelmann, MD*,
Hans D. Theiss, MD*,
Christine Hennig-Theiss*,
Armin Huber, MD ,
Bernd J. Wintersperger, MD ,
Anja-Eva Werle-Ruedinger ,
Stefan O. Schoenberg, MD ,
Gerhard Steinbeck, MD* and
Wolfgang-M. Franz, MD*,*
* Medical Clinic IDepartment of Cardiology, Ludwig Maximilians University, Klinikum Grosshadern, Munich, Germany
Department of Clinical Diagnostic Radiology, Ludwig Maximilians University, Klinikum Grosshadern, Munich, Germany

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Figure 1 Study design. F/U = follow-up; G-CSF = granulocyte colony-stimulating factor; MRI = magnetic resonance imaging; PCI = percutaneous coronary intervention; s.c. = subcutaneously; STEMI = ST-segment elevation myocardial infarction.
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Figure 2 Flow cytometry analysis of mobilized stem cells at baseline and 5 days after initiation of granulocyte colony-stimulating factor (G-CSF). CD34+ stem cell populations from peripheral blood measured by flow cytometry. (A) Quantitative measurements of CD34+/CD31+, CD34+/133+, and CD34+/CD117+ cells in placebo and G-CSF-treated patients before and at day 5 of treatment. *p < 0.001; **p < 0.001; ***p < 0.001 when compared with placebo at day 5. (B) The R4 population demonstrates increases of precursor cells in a representative patient before and at day 5 of treatment with G-CSF.
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Figure 3 Change of global ejection fraction assessed by magnetic resonance imaging from baseline (1 week after percutaneous coronary intervention) to 3 months of follow-up. G-CSF = granulocyte colony-stimulating factor; PCI = percutaneous coronary intervention. Bold squares = mean ± SD.
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