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Revista Colombiana de Cardiología
Print version ISSN 0120-5633
Abstract
MARTINEZ DE HOYO, Katherine; ORTEGA ENCISO, Anamaría; MENDOZA BELTRAN, Fernán and REYNOLDS POMBO, Jorge. Stem cells as an alternative to the transvenous pacemaker. Rev. Colomb. Cardiol. [online]. 2020, vol.27, n.4, pp.294-302. Epub June 24, 2021. ISSN 0120-5633. https://doi.org/10.1016/j.rccar.2019.09.017.
Objective:
To describe the state of the art of biological pacemakers and the perspectives for creating cardiac pacing tissue using modern genetic and tissue engineering technologies.
Methods:
A systematic review of the literature.
Results:
Pacemakers have become the first line treatment for certain types of arrhythmias and advanced symptomatic blocks. We are witnessing continuous improvements in the technology of the device, with advances in the design of the cable, the size of the generator, the longevity of the battery, as well as the software algorithms that have led to smaller devices with improved functions. There are currently many cardiac stimulation implantable systems capable of replacing the function of physiological pacemakers systems (sinus and atrial-ventricular nodes) that include the recently developed sequential and self-programmable pacemakers. In the last ten years or so, studies have confirmed that biological pacemakers can be created using gene therapy and cell therapy. There are currently to main efforts to construct biological pacemakers. One is to introduce pacemaker genes in mesenchymal stem cells, and the other is to introduce pluripotent stem cells in cells of the sinoatrial node.
Conclusions:
Biological pacemakers, currently in the pre-clinical stage, could be an alternative to the electronic devices for selected patients in the future.
Keywords : Pacemakers; Gene therapy; Cell therapy; Stem cells; Tissue engineering.