If you need treatment, a highly trained heart expert at RUSH will likely close the PFO using a procedure called cardiac catheterization. A new technology that enables specially trained physicians to use a single stitch to close an opening between the upper chambers of the heart.Our team of interventional cardiologists specializes in a minimally invasive PFO closure procedures. Northwestern Medicine Neuroscience programs provide treatment for a full range of potential neurological concerns, including patent foramen ovale. Treatment includes a catheter procedure or surgery to close the opening in the heart. The foramen ovale usually closes after birth. In this heart surgery, the surgeon uses stitches to close the PFO . The Amplatzer PFO device (Abbott, Chicago, IL, United States) was used in the vast majority of patients in both groups.