Role of Electrical Delay in Cardiac Resynchronization Therapy Response
Cardiac Electrophysiology Clinics(2022)
摘要
Traditionally, left ventricular (LV) lead position was guided by anatomic criteria of pacing from the lateral wall of the LV. However, large trials showed little effect of LV lead position on outcomes, other than noting worse outcomes with apical positions. Given the poor correlation of cardiac resynchronization therapy (CRT) outcomes with anatomically guided LV lead placement, focus shifted toward more physiologic predictors such as targeting the areas of delayed mechanical and electrical activation. Measures of left ventricular delay and interventricular delay are strong predictors of CRT response.
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关键词
Cardiac resynchronization therapy,Left ventricular pacing,Electrical delay
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