Dtsch Med Wochenschr 2004; 129(9): 424-428
DOI: 10.1055/s-2004-820062
Originalien
Cardiology
© Georg Thieme Verlag Stuttgart · New York
Mobilization of stem cells by granulocyte colony-stimulating factor for the regeneration of myocardial tissue after myocardial infarction
F. Kuethe1
, H. R. Figulla1
, M. Voth3
, B. M. Richartz1
, T. Opfermann3
, H. G. Sayer2
, A. Krack1
, M. Fritzenwanger1
, K. Höffken2
, D. Gottschild3
, G. S. Werner1
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1Klinik fuer Innere Medizin I
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2Klinik fuer Innere Medizin II
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3Klinik fuer Radiologie, Abteilung fuer Nuklearmedizin, Friedrich-Schiller-Universitaet Jena, Erlanger Allee 101, 07740 Jena, Germany
Background and objective: Animal data suggest that mobilized bone marrow cells (BMC) may contribute to tissue regeneration after myocardial infarction (MI). However the safety, feasibility and efficacy of treatment with granulocyte colony-stimulating factor (G-CSF) to mobilize BMC after acute myocardial infarction in patients is unknown. We analysed cardiac function and perfusion in 5 patients who were treated with G-CSF in addition to standard therapeutical regimen.
Methods and results: 48 h after successful recanalization and stent implantation in 5 patients with acute MI, the patients received 10 mg/kg body weight/day G-CSF subcutaneously for a mean treatment duration of 7.6±0.5 days. Peak value of CD34+ cells, a multipotent subfraction of bone marrow cells, was reached after 5.0±0.7 days. After 3 months of follow-up global left ventricular ejection fraction (determined by radionuclideventriculography) increased significantly from 42.2±6.6 % to 51.6±8.3 % (P<0.05). The wall motion score and the wall perfusion score (determined by ECG gated SPECT) decreased from 13.5±3.6 to 9.9±3.5 (P<0.05) and from 9.6±2.9 to 7.0±4.5 (P<0.05), respectively, indicating a significant improvement of myocardial function and perfusion. No severe side effects of G-CSF treatment were observed. Malignant arrhythmias were not observed either.
Conclusion: In patients with acute MI, treatment with G-CSF to mobilize BMC appears to be well toleated under clinical conditions. Improved cardiac function and perfusion may be attributed to BMC-associated promotion of myocardial regeneration and neovascularization.
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Friedhelm Kuethe
Friedrich-Schiller-Universitaet Jena, Klinik fuer Innere Medizin I
Erlanger Allee 101
D-07740 Jena
Phone: 1149/3641/939138
Fax: 1149/3641/939363
Email: Friedhelm.Kuethe@med.uni-jena.de