This is the question most patients haven’t had properly answered by the time they start looking at regenerative options. The heart is genuinely different from most other tissue in the body – and not in a good way when it comes to recovery:

• Dead cardiomyocytes don’t regenerate: The muscle cells doing the heart’s pumping work have almost no regenerative capacity in adults. When they die during a heart attack, scar tissue fills the gap. Scar tissue doesn’t contract, doesn’t push blood, and stiffens over time.
• Scar tissue overloads everything around it: The healthy muscle surrounding the scarred area compensates for the lost cardiac output. That sustained overload over months and years is a major driver of the progressive heart failure that develops long after the acute event is over.
• Post-infarction inflammation extends the damage: The immediate inflammatory response is necessary – it’s the body doing what it should. But when it doesn’t fully resolve, it keeps damaging cardiac tissue beyond the originally affected area. Chronic low-grade cardiac inflammation post-infarction is consistently underappreciated as a contributor to long-term decline.
• Ejection fraction drops and stays dropped: How much blood the heart pumps per contraction falls after significant damage and frequently stays reduced despite optimal medication. Post-infarction drugs protect remaining function – they don’t recover what was lost. That’s a different problem entirely.

Standard post-infarction care is genuinely good at what it does. What it doesn’t do is repair the tissue. That’s not a criticism – it’s just the honest limit of what’s currently available through conventional cardiology.