Expandable prosthesis resolves advanced aortic valve disease

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Among individuals 65 years and older, as many as 30 percent have aortic valve sclerosis or stenosis and as a result of their deteriorating health, they cannot enjoy a normal lifestyle.

“The aortic valve is a gatekeeper,” says Marco Costa, MD, of University Hospitals (UH) Case Medical in Cleveland. “If it isn’t functioning properly, there is less blood flow to the body and patients may experience fatigue, fainting, stroke, poor kidney function and heart failure. If untreated, 50 percent of individuals will die in the first year. Patients with aortic valve stenosis must be evaluated by a heart specialist to determine the best options for therapy.”

Dr. Costa is the Director, Interventional Cardiovascular Center and Research & Innovation Center, UH Harrington-McLaughlin Heart & Vascular Institute at UH Case Medical Center, and Professor of Medicine, Case Western Reserve University School of Medicine.

Traditional treatments for aortic valve stenosis include open surgical aortic valve replacement or palliative balloon valvuloplasty, which still may be required for some patients. The Institute’s heart valve center physicians, however, now have the option to replace the aortic valve using an innovative minimally invasive procedure?transcatheter aortic valve implantation (TAVI).

To support this technology, the UH Case Medical Center established the TAVI Multidisciplinary Program with a staff dedicated to providing superior care for patients who have advanced aortic valve disease. Dr. Costa leads the program along with Alan Markowitz, MD, Director, Heart Valve Center at UH Case Medical Center, and Assistant Professor of Surgery, Case Western Reserve University School of Medicine.

“We are excited about our experience using the CoreValve prosthesis to treat complex aortic valve disease without removing the diseased valve,” Dr. Costa says. “This prosthesis seems superior to others because it is safe, the operator has total control, and the prosthesis can be repositioned if needed. Our program is the only one in Northeast Ohio with this capability.”

UH Case Medical Center’s TAVI Multidisciplinary Program surgeons have among the most significant clinical experiences with implantation of the CoreValve prosthesis in the United States and were invited to participate in Medtronic’s CoreValve U.S. Pivotal Clinical Trial. The trial is a prospective randomized study of the CoreValve prosthesis to evaluate clinical outcomes in patients with severe aortic stenosis. Surgeons at UH Case Medical Center and 40 other clinical sites around the nation will perform TAVI in approximately 1,200 patients.

“TAVI improves the quality of life for many elderly patients,” says Dr. Markowitz.

Source: University Hospitals Case Medical Center, USA

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