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Initial experience with an implantable cardioverter-defibrillator incorporating cardiac resynchronization therapy^*

^a Medizinische Klinik III, Tübingen, Germany

View larger version (98K): [in a new window]   Figure 1 Typical chest radiograph of a patient with an implantable cardioverter-defibrillator with a right atrial lead, a dual-coil ventricular lead and a left ventricular lead. The left ventricular lead is implanted in a posterolateral vein. The right part of the figure shows a chest radiograph three days after implantation of the system; the left part shows the ap chest radiograph three months of biventricular pacing; note that the cardiothoracic ratio was reduced.

View larger version (26K): [in a new window]   Figure 2 Effect of biventricular pacing on the New York Heart Association (NYHA) classification. Patients are grouped according to the severity of heart failure at baseline (NYHA functional class II vs. NYHA functional class III/IV) and follow-up (FU) visit (1-month follow-up visit vs. 3-month follow-up visit). The majority of patients in NYHA functional class II at baseline remained unchanged during follow-up. This is in contrast to patients with NYHA class III/IV heart failure at baseline; 35 patients showed an improvement of at least 1 NYHA functional class at both follow-up visits.