Cardiac pacing with frequency variation in closed loop system and myocardial contractility sensor: late evaluation in multicenter study

José Carlos S. De Andrade⁰; Veridiana Silva De Andrade⁰; Paulo Ceratti Azambuja⁰; Gilberto Venossi Barbosa⁰; Humberto Benedetti⁰; Roque Paulo Torres Falleiro⁰; Luis Sérgio Fragomeni⁰; José Jazbiko; Newton José Martins Motta; Aldo Aller Tomas

DOI: 10.1590/S0102-76382002000100011 Braz J Cardiovasc Surg. 2002;17(1):73-78