Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/57953
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Type: Journal article
Title: Intramyocardial navigation and mapping for stem cell delivery
Author: Psaltis, P.
Zannettino, A.
Gronthos, S.
Worthley, S.
Citation: Journal of Cardiovascular Translational Research, 2010; 3(2 Sp Iss):135-146
Publisher: Springer New York LLC
Issue Date: 2010
ISSN: 1937-5387
1937-5395
Statement of
Responsibility: 
Peter J. Psaltis, Andrew C. W. Zannettino, Stan Gronthos and Stephen G. Worthley
Abstract: Method for delivery remains a central component of stem cell-based cardiovascular research. Comparative studies have demonstrated the advantages of administering cell therapy directly into the myocardium, as distinct from infusing cells into the systemic or coronary vasculature. Intramyocardial delivery can be achieved either transepicardially or transendocardially. The latter involves percutaneous, femoral arterial access and the retrograde passage of specially designed injection catheters into the left ventricle, making it less invasive and more relevant to wider clinical practice. Imaging-based navigation plays an important role in guiding catheter manipulation and directing endomyocardial injections. The most established strategy for three-dimensional, intracardiac navigation is currently endoventricular, electromechanical mapping, which offers superior spatial orientation compared to simple x-ray fluoroscopy. Its provision of point-by-point, electrophysiologic and motion data also allows characterization of regional myocardial viability, perfusion, and function, especially in the setting of ischemic heart disease. Integrating the mapping catheter with an injection port enables this diagnostic information to facilitate the targeting of intramyocardial stem cell delivery. This review discusses the diagnostic accuracy and expanding therapeutic application of electromechanical navigation in cell-based research and describes exciting developments which will improve the technology’s sensing capabilities, image registration, and delivery precision in the near future.
Keywords: Cardiac Navigation; Electromechanical Mapping; Intramyocardial Delivery; Myocardial Viability; NOGA; Stem Cell Therapy
Rights: © Springer Science + Business Media, LLC 2009
RMID: 0020093638
DOI: 10.1007/s12265-009-9138-1
Appears in Collections:Medicine publications

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