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Patients who have been diagnosed with mitral valve stenosis, high-risk aortic stenosis or certain blockages of the plumonic valve may benefit from balloon valvuloplasty. These valvular obstructions are relieved using highly specialized balloon catheters. A balloon is threaded into the heart through the vein (femoral) in the groin and temporarily expanded across the narrowed valve. The goal of this procedure is to enhance blood flow across the mitral valve.