Technology | Ventricular Assist Devices (VAD) | July 17, 2018

Medtronic Receives FDA Approval for Less-Invasive Heart Pump Implant Procedure

HeartWare HVAD system now approved for implant via thoracotomy or median sternotomy

Medtronic Receives FDA Approval for Less-Invasive Heart Pump Implant Procedure

July 17, 2018 — Medtronic plc recently received U.S. Food and Drug Administration (FDA) approval for a less-invasive implant approach of its HVAD System, a left ventricular assist device (LVAD) for patients with advanced heart failure. The HVAD System is the smallest commercially available LVAD according to Medtronic, and the only LVAD approved in the U.S. for implant via thoracotomy, a small lateral, surgical incision between the patient's ribs on the left side of the chest.

LVADs help the heart pump and increase the amount of blood that flows through the body. They are typically implanted via median sternotomy, a surgical procedure in which a vertical incision is made down the middle of the chest, after which the sternum (or breastbone) is divided.

FDA approval for HVAD implantation via thoracotomy is based on data from the LATERAL prospective clinical trial, in which 144 patients, with end-stage heart failure who were eligible for heart transplant, were enrolled at 26 centers in the U.S. and Canada. The primary endpoint of the trial demonstrated non-inferiority of the HVAD implanted in patients via thoracotomy, where survival at six months free from disabling stroke or device explant or exchange due to malfunction was achieved in 88.1 percent of patients. Since the success outcome exceeded the pre-specified performance goal of 77.5 percent, the trial achieved its primary endpoint (p=0.0012). The key secondary endpoint revealed a significant reduction in total length of hospital stay, from an average of 26.1 days down to 18 days (p<0.001). Overall survival among patients receiving an HVAD via the thoracotomy procedure was 88.8 percent at one year.

Detailed outcomes of the LATERAL trial and its secondary endpoints were presented at The International Society for Heart and Lung Transplantation (ISHLT) 2018 Scientific Sessions, April 11-14 in Nice, France.

"We have demonstrated that a thoracotomy is a safe and effective implant technique for the HVAD System, which gives physicians added flexibility in treating a broad range of patients," said Edwin McGee, Jr., M.D., professor and director, Heart Transplant & Ventricular Assist Device Program, Loyola University Medical Center, Maywood, Ill., and principal investigator of the LATERAL trial. "Implanting the HVAD via thoracotomy preserves the chest for a subsequent procedure that patients may need, such as a heart transplant. It also has been shown to result in shorter hospital stays."

The HVAD System is the only LVAD approved in the U.S. and Europe for implant via a thoracotomy as well as a median sternotomy. It is approved to treat patients with advanced, refractory heart failure as a bridge to cardiac transplantation and as destination therapy in patients for whom subsequent transplantation is not planned.

In addition to this approval, new surgical implant tools tailored to assist physicians with the thoracotomy approach for the HVAD System are now available in the U.S. and in CE Marked countries.

For more information: www.medtronic.com

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