Why the study?
Does left ventricular stimulation from lateral sites improve long-term efficacy compared to septal sites in patients undergoing cardiac resynchronization therapy?
Population
158 patients undergoing successful cardiac resynchronization therapy, mean age 65 years, mean LVEF 0.29…
Comparison
Cardiac resynchronization therapy with left… vs Cardiac resynchronization therapy with left…
Design
Cohort
Follow-up
12 months
Authors
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CRT response similar with lateral or septal LV leads; leaves open optimal site selection pending randomized trials.
Does left ventricular stimulation from lateral sites improve long-term efficacy compared to septal sites in patients undergoing cardiac resynchronization therapy?
Long-term efficacy of cardiac resynchronization therapy in improving cardiac function and exercise capacity is similar regardless of whether the left ventricular lead is implanted in a lateral or septal coronary sinus tributary.
Gasparini et al. (2003) studied this question.
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