Table 1.
Baseline patient demographic characteristics (N =11)
| Characteristic | Value |
|---|---|
| Age (y) | 65 ± 7 |
| Male sex | 8/11 (73) |
| Ischemic cardiomyopathy | 6/11 (55) |
| Comorbidities | |
| Coronary artery bypass grafting | 2/11 (18) |
| Atrial fibrillation | 5/11 (45) |
| Hypertension | 4/11 (36) |
| Diabetes mellitus | 5/11 (45) |
| Chronic kidney disease | 2/11 (18) |
| Indication | |
| Previously untreatable | 6/11 (55) |
| High-risk upgrade | 2/11 (18) |
| CRT nonresponder | 3/11 (27) |
| New York Heart Association functional class | 2.9 ± 0.3 |
| Minnesota Living With Heart Failure Questionnaire score | 61 ± 23 |
| Sinus rhythm | 6/11 (55) |
| QRS morphology | |
| Left bundle branch block | 4/11 (36) |
| Biventricular pacing | 3/11 (27) |
| RV pacing | 4/11 (36) |
| QRS duration (ms) | 170 ± 28 |
| Echocardiography | |
| LV ejection fraction (%) | 25 ± 7 |
| LV end-systolic volume (mL) | 153 ± 68 |
| LV end-diastolic volume (mL) | 202 ± 7 |
| 6-minute walk distance (m) | 295 ± 143 |
| Medications | |
| Angiotensin-converting enzyme inhibitor/angiotensin receptor blockers or angiotensin receptor-neprilysin inhibitor | 11/11 (100) |
| β-Blockers | 10/11 (91) |
| Mineralocorticoid receptor antagonist | 10/11 (91) |
| Anticoagulation | 6/11 (55) |
Values are presented as mean ± SD or n (%).
CRT = cardiac resynchronization therapy; LV = left ventricular; RV = right ventricular.