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Can Human Heart Heal Itself? Study Provides Insights - Video

Published On 2024-11-25T08:30:00+05:30  |  Updated On 25 Nov 2024 8:30 AM IST
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Overview

After severe heart failure, the ability of the heart to heal by forming new cells is very low. However, after receiving treatment with a supportive heart pump, the capacity of a damaged heart to repair itself with new muscle cells becomes significantly higher, even higher than in a healthy heart. This is according to a new study from Karolinska Institutet in Sweden published in the journal Circulation
.
Researchers at Karolinska Institute have now discovered that after an injury, the rate of cell renewal is even lower than in a healthy heart. Standard-of-care for patients with advanced heart failure is a surgically implanted pump that helps propel blood, a so-called left ventricular assist device (LVAD).
Surprisingly, the researchers found that patients with such a heart pump, who have shown significant improvement in their heart function, can regenerate heart muscle cells at a rate more than six times higher than in healthy hearts.
“The results suggest that there might be a hidden key to kick-start the heart’s own repair mechanism”, says Olaf Bergmann, senior researcher at the Department of Cell and Molecular Biology at Karolinska Institutet and last author of the paper.
The mechanism behind the effect is still unknown and there is not yet any hypothesis to explain it.
“It is difficult to say. In the existing data we cannot find an explanation for the effect, but we will now continue to study this process at a cellular and molecular level,” says Olaf Bergmann.
The findings open the possibility of developing new therapies for patients with serious heart conditions that stimulate the heart’s ability to repair itself after damage. This way, patients wouldn’t have torely only on heart transplants or other kinds of long-term mechanical support.
“This offers some hope that the recovery after a heart incident can somehow be boosted,” says Olaf Bergmann.
Reference: https://doi.org/10.1161/CIRCULATIONAHA.123.067156

Speakers

Dr. Bhumika Maikhuri

BDS, MDS

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