Novel Gene Therapy Can Automatically Correct Heart Rhythm Disorder

by Adeline Dorcas on  March 2, 2019 at 11:31 AM Research News
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Newly developed gene therapy uses an implanted LED device to automatically correct heart rhythm disorder, reports a new study. The findings of the study are published in the journal Science Translational Medicine.
Novel Gene Therapy Can Automatically Correct Heart Rhythm Disorder
Novel Gene Therapy Can Automatically Correct Heart Rhythm Disorder

The therapy detects fast arrhythmias in the atrium of a rat's heart and sends a signal to a LED device placed near the heart.

"The flash of light from this LED then causes the heart to generate an electric current itself to halt the arrhythmia," said lead investigator Daniel Pijnappels at Leiden University in the Netherlands.

"This is made possible by using gene therapy to introduce specific light-sensitive proteins into the heart. This restores the heart's normal rhythm immediately and automatically," he added.

According to the researchers, this could represent a great improvement on the current way of stopping atrial fibrillation.

Atrial fibrillation (AFib) is the most common heart rhythm disorder in clinical practice. The current treatment, known as cardioversion, is based on administering an electric shock to the heart, which has to be done in the hospital under general anesthesia because of pain.

For many patients, this is the only treatment to immediately stop atrial fibrillation because drugs or operation are ineffective.

"The bioelectronic defibrillator can stop atrial fibrillation without an electrical shock. In this way, the heart can be reset in a fully automated manner and at any time," Pijnappels said.

"We anticipate that this treatment for atrial fibrillation could improve both the patient's quality of life and their prognosis," he added.

However, considerable research is still needed before a treatment can be arrived at that is suitable for human patients, the researchers noted.

Source: IANS

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