期刊
PACE-PACING AND CLINICAL ELECTROPHYSIOLOGY
卷 26, 期 3, 页码 752-764出版社
FUTURA PUBL CO
DOI: 10.1046/j.1460-9592.2003.00128.x
关键词
ion channels; calcium channel blockers; L-type Ca2+ channels; T-type Ca2+ channels; antiarrhythmic drugs; heart rhythm disorders
Atrial fibrillation (AF) is the most common cardiac arrhythmia requiring medical therapy, and present treatment modalities are inadequate. Over the past few years, we have learned a great deal about the phenomenon of electrical remodeling, by which rapid atria] activation leads to changes in atria] electrical properties that promote AF initiation and maintenance. This knowledge opens up the possibility that electrical remodeling may itself be a novel therapeutic target in AF. The present paper reviews what is known about the basic mechanisms of atria] electrical remodeling and then discusses the experimental and clinical evidence that remodeling can be prevented by drug therapy. Despite great potential value, the development of pharmacological interventions to prevent atrial electrical remodeling is still in its infancy.
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