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Observational Study Finds Considerable Variation in Performance Between Different Artificial Heart Valves

Medical Xpress
Photo: Pixabay/CC0 Public Domain

Researchers at Karolinska Institutet in Sweden have studied long-term morbidity and mortality in individuals who have had different models of biological heart valves implanted. The results, which show that there are considerable differences in performance depending on model group, are published in the journal JAMA Network Open.

The aortic valve is located between the heart and the aorta and ensures that blood is pumped in the correct direction. In aortic valve disease, it is often necessary to remove the sick aortic valve and replace it with an artificial one, the most common being ...