Though still risky, cardiac surgery today is less invasive and more routine than its historic counterpart. Performed percutaneously – via a catheter through the skin – many cardiac procedures no longer require an open heart. Two such procedures performed this way include replacements of both the mitral and tricuspid valves. Hot on the trail of aortic valve percutaneous intervention, recent percutaneous mitral and tricuspid valve intervention has yielded significant positive outcomes while filling a void in the field of heart surgery.

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