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DOI: 10.1055/s-0029-1186199
© Georg Thieme Verlag KG Stuttgart · New York
Transmyocardial Laser Revascularization Combined with Intramyocardial Endothelial Progenitor Cell Transplantation in Patients with Intractable Ischemic Heart Disease Ineligible for Conventional Revascularization: Preliminary Results in a Highly Selected Small Patient Cohort
Publication History
received Nov. 5, 2008
Publication Date:
13 January 2010 (online)
Abstract
Objective: Transmyocardial laser revascularization for angina relief and intramyocardial autologous endothelial progenitor cell injection for neoangiogenesis may offer a new treatment strategy for patients with intractable ischemic heart disease. Methods: Transmyocardial laser revascularization and intramyocardial injection of bone marrow-derived CD133+ cells was performed in six highly symptomatic patients. Transmyocardial laser channels were created and isolated CD133+ cells were injected intramyocardially. All patients were followed up for a minimum of 6 months postoperatively. Results: One patient died shortly after the operation due to refractory heart failure. In the five survivors, CCS class improved as well as left ventricular ejection fraction. Left ventricular end-diastolic volume and myocardial perfusion varied between the patients. All patients described a considerable improvement in quality of life postoperatively. Repeated 24-hour Holter monitoring revealed no significant arrhythmias. Conclusions: In this small patient cohort, intramyocardial CD 133+ cell injection combined with transmyocardial laser revascularization led to an improvement in clinical symptomatology in all patients and in left ventricular function in 4 out of 5 patients, with an unclear effect on myocardial perfusion. Caution is advised when employing this therapy in patients with severely depressed left ventricular function.
Key words
heart disease - cardiomyopathy - myocardial infarction
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MD Efstratios I. Charitos
Cardiac and Thoracic Vascular Surgery Clinic
University of Lübeck
Ratzeburger Allee 160
23538 Lübeck
Germany
Phone: + 49 45 15 00 47 63
Fax: + 49 45 15 00 20 51
Email: efstratios.charitos@gmail.com