Baseline characteristics
| Consecutive patients | Study cohort | Radial dyssynchrony | No radial dyssynchrony | |
|---|---|---|---|---|
| N | 369 | 318 | 204 | 114 |
| Age | 68±12 | 68±12 | 67±12 | 69±13 |
| Male gender (%) | 67 | 67 | 64 | 72 |
| Ischaemic (%) | 62 | 62 | 55 | 73* |
| Diabetic (%) | 38 | 36 | 34 | 40 |
| SBP (mm Hg) | 118±20 | 119±20 | 119±19 | 117±21 |
| DBP (mm Hg) | 69±12 | 68±12 | 68±12 | 68±11 |
| HR (bpm) | 73±14 | 73±14 | 73±14 | 73±15 |
| Creatinine (mg/dL) | 1.43±1.0 | 1.44±1.0 | 1.42±1.1 | 1.49±0.7 |
| QRS (ms) | 155±27 | 155±26 | 158±27 | 150±24* |
| LVEDD (cm) | 6.4±0.9 | 6.4±0.9 | 6.5±1.0 | 6.2±0.9* |
| LVEDV (mL) | 183±68 | 184±68 | 194±70 | 166±62* |
| LVESV (mL) | 138±59 | 139±60 | 148±62 | 124±53* |
| LVEDVi (mL/m2) | 93±34 | 94±34 | 99±34 | 86±34* |
| LVESVi (mL/m2) | 70±30 | 71±30 | 75±30 | 64±29* |
| Biplane EF (%) | 25.4±6 | 25.4±6 | 24.9±6 | 26.4±6* |
| Radial OWD (ms) | 192±123 | 192±123 | 264±90 | 62±36* |
| Peak radial strain (%) | 21±12 | 21±12 | 20±10 | 25±13* |
| LBBB (%) | 57 | 57 | 68 | 36* |
| QRS ≥150 ms (%) | 54 | 53 | 58 | 45* |
*p<0.05 between radial±dyssynchrony groups. Radial dyssynchrony defined as STE OWD ≥130 ms.
DBP, diastolic blood pressure; EF, ejection fraction; HR, heart rate; LBBB, left bundle-branch block; LVEDD, left ventricular end-diastolic diameter; LVEDV, left ventricular end-diastolic volume; LVESV, left ventricular end-systolic volume; OWD, opposite wall delay; SBP, systolic blood pressure; STE, speckle-tracking echocardiography.