CRT Response Index Calculator
- CRT Response Index (Pre-implant Predictors): Explanation and Clinical Context
The CRT Response Index is a pre-implantation scoring system designed to predict the likelihood of a positive response to cardiac resynchronization therapy in patients with heart failure.
It combines multiple baseline clinical and electrocardiographic parameters including age, QRS duration, presence of left bundle branch block (LBBB), left ventricular end-diastolic diameter (LVEDD), and ischemic etiology.
A higher CRT Response Index score indicates a higher probability of favorable remodeling and symptomatic improvement after CRT implantation.
This tool assists clinicians in selecting optimal candidates for CRT, aiming to improve outcomes and avoid non-responder implantation.
Reference:
Mullens W, et al. Pre-implant predictors of response to cardiac resynchronization therapy in advanced heart failure. Eur Heart J. 2009;30:111-120. doi:10.1093/eurheartj/ehn458
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