Table 1.
Baseline Characteristics of RV Pacing Group (N = 51).
| Age at beginning of study, years | 37 ± 15 |
|---|---|
| Male | 26 (51%) |
| Body mass index, kg/m2 | 27 ± 7 |
| Body surface area, m2 | 1.9 ± 0.4 |
| Age at TOF repair, years | 5 (3–11) |
| Prior palliative shunt | 24 (37%) |
| TOF-pulmonary atresia | 13 (26%) |
| Comorbidities | |
| Atrial fibrillation | 18 (35%) |
| Atrial flutter/tachycardia | 15 (29%) |
| Hypertension | 12 (24%) |
| Hyperlipidemia | 13 (26%) |
| Coronary artery disease | 6 (12%) |
| Diabetes mellitus | 5 (10%) |
| Laboratory tests | |
| Hemoglobin, g/dl | 14.0 ± 2.6 |
| Creatinine, mg/dl | 1.1 ± 0.4 |
| NT-proBNP, pg/ml | 271 (122–718) |
| Medications | |
| Diuretics | 11 (21%) |
| Beta blockers | 8 (16%) |
| Warfarin | 5 (10%) |
| Aspirin | 11 (22%) |
TOF: Tetralogy of Fallot; NT-proBNP: N-terminal pro b-type natriuretic peptide.