Comparison of effects of left ventricular pacing and biventricular pacing on exercise
| Variable | After 2 months of LVP | After 2 months of BVP | p Value |
|---|---|---|---|
| Data are mean (SD). | |||
| BVP, biventricular pacing; LVP, left ventricular pacing; PVCs, premature ventricular complexes; V˙o2, oxygen consumption. | |||
| Six minute walk test | |||
| Performance (m) | 428 (68) | 437 (59) | 0.88 |
| Patients with heart failure symptoms after the test (%) | 64 | 18 | 0.035 |
| Number of PVCs during the test | 49 (71) | 10 (23) | 0.04 |
| Symptom limited cardiopulmonary exercise test | |||
| Performance (W) | 77 (23) | 92 (34) | 0.03 |
| Peak V˙o2 (ml/kg/min) | 16.5 (3.6) | 18.5 (4.2) | 0.11 |
| Number of PVCs during the test | 64 (74) | 25 (29) | 0.09 |