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Updated: Jun 28, 2025

Evaluation of Cardiac Contractility Modulation Therapy in 2D Human Stem Cell-Derived Cardiomyocytes
Published on: December 16, 2022
[Initial experience with cardiac contractility modulation devices in Latin America for the treatment of heart
Ulises Rojel-Martínez1, Carlos De-la-Fuente-Macip1, Arturo Enríquez-Silverio1
1Unidad de Arritmias y Marcapasos, Hospital General Dr. Eduardo Vázquez Navarro, Centro Médico del Sur, Puebla, Puebla, México.
Objective:
To describe the initial experience of cardiac contractility modulation (CCM) implantation in Latin America.
Method:
We present the first two cases in Latin America of patients with heart failure with reduced left ventricular ejection fraction (LVEF) not candidates for cardiac resynchronization therapy in whom a CCM device was implanted. Results.
Results:
In both patients we described improvement of the 6-minute walk test, functional class according to the NYHA and LVEF.
Conclusions:
The modulation of cardiac contractility is currently a treatment option for patients with heart failure in functional class III-IV, with LVEF 25-45%, and a QRS < 130 ms who are not candidates for cardiac resynchronization therapy.
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