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Cardiac resynchronization therapy is effective even in elderly patients with co...

PURPOSE: The purpose of this study was to compare the effects of cardiac resynchronization therapy (CRT) in elderly patients (> or =65 years) with younger patients and to assess the impact of comorbidities in CRT remodeling response. METHODS: This is a prospective study of 87 consecutive patients scheduled for CRT who underwent clinical and echocardiographic evaluation before and 6 months after CRT. A reductio...

Identification of 'super-responders' to cardiac resynchronization therapy: the ...

AIMS: Some patients show such an important clinical improvement and reverse remodelling after cardiac resynchronization therapy (CRT) that anatomy and function approach normal. These patients have been called 'super-responders'. The aim of our study was to identify predictors of becoming a super-responder after CRT. METHODS AND RESULTS: Eighty-seven consecutive patients who underwent CRT were prospectively stu...

Pacing biventricular: experiência inicial

INTRODUCTION: Biventricular pacing has been studied for the treatment of chronic heart failure (CHF). This technique seems to be able to improve symptoms and exercise tolerance, in patients with advanced CHF and prolonged QRS duration. OBJECTIVE: To present our experience with biventricular pacing in the management of severe CHF. METHODS: Between June 2000 and March 2001, 8 patients with dilated cardiomyopath...

The pacemaker syndrome.