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Anesthetic implications for patients with rate-responsive pacemakers
Neil K Anand1, David P Maguire
1Department of Anesthesiology, Thomas Jefferson University, Philadelphia, PA 19107-5092, USA.
Seminars in Cardiothoracic and Vascular Anesthesia
|September 10, 2005
Summary
Anesthesiologists must understand rate-responsive pacemakers (RRPs) and their sensors. Awareness of RRP sensor technology is crucial for managing patients during surgery.
Area of Science:
- Biomedical Engineering
- Anesthesiology
Background:
- 85% of 100,000 annual US pacemaker recipients use rate-responsive pacemakers (RRPs).
- RRPs utilize advanced sensors to adjust pacing rates based on physiologic changes during exertion.
Observation:
- Minute ventilation sensors can increase paced heart rate due to respiratory changes or electrocautery.
- Piezoelectric crystal sensors may accelerate pacing due to patient movement or surgical vibrations.
Findings:
- This paper reviews RRP sensor technology and their triggers.
- It details the history of pacemaker development and current RRP sensors.
Implications:
- Anesthesiologists need to be aware of RRP sensor function in the operating room.
- Understanding sensor types and triggers aids in managing perioperative hemodynamic changes.