Chronotropic incompetence .2. Clinical implications

被引:33
作者
Camm, AJ
Fei, L
机构
[1] Department of Cardiological Sciences, St. George's Hospital Medical School, London
[2] Department of Cardiological Sciences, St. George's Hospital Medical School, London SW17 ORE, Cranmer Terrace
关键词
chronotropic incompetence; heart rate; rate-responsive pacing;
D O I
10.1002/clc.4960190612
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
The definition of chronotropic incompetence as inadequate chronotropic response to metabolic demand is, in theory, quite satisfactory. However, the method used in clinical practice for determination of chronotropic incompetence is far from established. The determination of chronotropic incompetence has important diagnostic, therapeutic, and prognostic implications although the exact mechanism underlying chronotropic incompetence is at present unclear. From a pacing viewpoint, chronotropic incompetence is clinically relevant only when there is a functional improvement associated with rate-responsive pacing. Rate-responsive pacing has improved the physiologic approach to artificial pacing.
引用
收藏
页码:503 / 508
页数:6
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