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Trohman RG, Huang HD, Larsen T, Krishnan K, Sharma PS. Sensors for rate-adaptive pacing: How they work, strengths, and limitations. J Cardiovasc Electrophysiol 2020; 31:3009-3027. [PMID: 32877004 DOI: 10.1111/jce.14733] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/01/2020] [Revised: 07/19/2020] [Accepted: 08/19/2020] [Indexed: 12/21/2022]
Abstract
Chronotropic incompetence is the inability of the sinus node to increase heart rate commensurate with increased metabolic demand. Cardiac pacing alone may be insufficient to address exercise intolerance, fatigue, dyspnea on exertion, and other symptoms of chronotropic incompetence. Rate-responsive (adaptive) pacing employs sensors to detect physical or physiological indices and mimic the response of the normal sinus node. This review describes the development, strengths, and limitations of a variety of sensors that have been employed to address chronotropic incompetence. A mini-tutorial on programming rate-adaptive parameters is included along with emphasis that patients' lifestyles and underlying medical conditions require careful consideration. In addition, special sensor applications used to respond prophylactically to physiologic signals are detailed and an in-depth discussion of sensors as a potential aid in heart failure management is provided.
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Affiliation(s)
- Richard G Trohman
- Department of Medicine, Section of Electrophysiology, Arrhythmia and Pacemaker Services, Division of Cardiology, Rush University Medical Center, Chicago, Illinois, USA
| | - Henry D Huang
- Department of Medicine, Section of Electrophysiology, Arrhythmia and Pacemaker Services, Division of Cardiology, Rush University Medical Center, Chicago, Illinois, USA
| | - Timothy Larsen
- Department of Medicine, Section of Electrophysiology, Arrhythmia and Pacemaker Services, Division of Cardiology, Rush University Medical Center, Chicago, Illinois, USA
| | - Kousik Krishnan
- Department of Medicine, Section of Electrophysiology, Arrhythmia and Pacemaker Services, Division of Cardiology, Rush University Medical Center, Chicago, Illinois, USA
| | - Parikshit S Sharma
- Department of Medicine, Section of Electrophysiology, Arrhythmia and Pacemaker Services, Division of Cardiology, Rush University Medical Center, Chicago, Illinois, USA
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