Sensor-induced rate adaption: Sensor systems and tuning manual versus automatic tuning

Background: Rate adaptive stimulation represents an established therapeutic option in the management of cardiac rhythm disturbance. To realize a physi ologic heart rate in patients with chronotopic incompetence several differe nt sensor systems were developed. Due to the requirements of a physiologic pacemaker with all algorithms and therapeutic functions complex pacemaker s ystems were created. The realization of an automatic rate optimization was given by self adjusting algorithm or new sensor systems (closed loop system s). Comparing data respecting automatic vs manual sensor adjustment a re no t present. The automatic sensor adjustment was era mined only in small pati ent groups. Conclusion: This studies indicated that most patients could be adjusted by the automatic function. Nevertheless, out of technical reasons a smalt grou p of patients could not be adjusted. The verification of the correct indivi dual rate response in a II patients treated with rate response pacemakers b elongs to the physicians obligation.