Heart Failure (HF)
Patient Condition
Ischemic cardiomyopathy HFrEF, LVEF 28%, NYHA class III, QRS wave width 168ms (left bundle branch block), non-sustained ventricular tachycardia. Cardiac function continued to deteriorate after previous anterior wall myocardial infarction, and symptoms still persisted after optimized drug treatment.
Treatment Timeline
| Phase | Details | Date |
|---|---|---|
| preoperative evaluation | ||
| CRT-D implantation | ||
| Post-operative optimization | ||
| long-term follow-up |
Treatment Outcome
| before | LVEF 28%, NYHA class III, QRS 168ms, 6-minute walk distance 270m |
|---|---|
| after | LVEF 45%, NYHA class II, QRS 130ms, 6-minute walking distance 430m |
| highlight | After CRT-D implantation, LVEF increased by 17%, QRS complex narrowed significantly, and cardiac function improved significantly |