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Girl undergoes unusual heart surgery after compassionate-use exemption | News Center

Girl undergoes unusual heart surgery after compassionate-use exemption | News Center

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“I was criss-cross applesauce, with my head down at my feet,” Lizneidy said. People with heart failure can often breathe better if they sleep sitting up, but Alvarado-Lazarit did not yet know about the diagnosis. Alarmed, she woke her daughter and took her to the nearest emergency room. Doctors transferred Lizneidy to the pediatric intensive care unit at another Reno hospital, Renown Children’s Hospital, which has a pediatric specialty care partnership with Stanford Children’s Health. Then, Lizneidy was transferred by an emergency medical flight to Packard Children’s.

Lizneidy received medications that stabilized her for a few days. But her heart was not recovering. As in most cases of dilated cardiomyopathy, the physicians did not know why her heart failed.

“It appeared she was getting worse and was going to need a ventricular assist device,” said Christopher Almond, MD, associate professor of pediatric cardiology at the School of Medicine. A ventricular assist device is a surgically implanted pump that helps a patient’s failing heart move blood through the body.

Almond told the family that Lizneidy would probably need a heart transplant, and that she would receive surgery to implant a pump that could keep her alive until a donor heart became available.

The best pump

The Packard Children’s cardiology team wanted to give Lizneidy a pump called the HeartMate 3, which is small enough to implant in the chest. Patients with the pump must wear an external battery pack, but can leave the hospital, walk freely and perform many normal activities.

However, the HeartMate 3 had one drawback in Lizneidy’s case. To implant it, Maeda needed to create a hole in the girl’s left ventricle, the largest pumping chamber in her heart, and suture a washerlike device called a sewing ring onto the heart to anchor the pump. But the sewing ring that had been approved by the FDA was too big for Lizneidy. There was a smaller ring, but it was approved only in Europe.

The hospital, the FDA and the company did a phenomenal job supporting this medical request on such short notice.

“The problem with the larger sewing ring is that Dr. Maeda would have had to sew across one of her most important coronary arteries,” Almond said. In rare cases, heart pumps allow children’s hearts to regain enough function to avoid a transplant. Closing the artery would have permanently severed the blood supply to part of Lizneidy’s heart muscle, cutting off this possibility.

“Because she had a chance of recovery, we didn’t want to sacrifice the main artery supplying blood to her heart,” Almond said.

So on Aug. 9, Almond began the process of asking the FDA for a compassionate-use exemption. He wrote a letter to the FDA and the device manufacturer, Abbott, requesting permission to use the smaller, unapproved sewing ring; contacted Stanford’s ethics team to get its permission for the unusual surgery; and arranged for another cardiologist to provide an independent second opinion to the FDA. On Aug. 10, as hours ticked by and paperwork stacked up, people in several locations across the country — including FDA staff — stayed late at work to help.

“The process for getting compassionate-use approval is a bit complex,” Almond said, noting it can take days or weeks. But everyone recognized the urgency of Lizneidy’s case. “The hospital, the FDA and the company did a phenomenal job supporting this medical request on such short notice.” 

“Everybody was so good, keeping us informed of what was going on and what to expect,” Alvarado-Lazarit said.

By 9 p.m. Pacific time on Aug. 10, the approval was complete. In one more bit of serendipity, Almond learned that the small sewing rings — which were commercially available only in Europe — are manufactured 30 miles from Packard Children’s, in Pleasanton, California.

The sewing ring arrived at the hospital the following morning. That evening, Lizneidy was getting worse again. It was time for surgery.

Becoming a medical pioneer

On Aug. 12, Lizneidy’s family came to the hospital early. She was calm as she was wheeled into the operating room, listening to favorite songs on her phone. The small sewing ring worked just as the doctors had hoped: In the five-hour surgery, Maeda kept Lizneidy’s coronary arteries intact. Lizneidy became the first person in the United States to receive a small sewing ring and, at the time of her surgery, the youngest and smallest person in the country to get the HeartMate 3 ventricular assist device.

The pump made an enormous difference. Lizneidy’s breathing tube was removed the next day, and she soon began eating again.

“Having her just talking and laughing and asking for things was great,” Alvarado-Lazarit said. “When she started being able to get up, it felt like, ‘She’s going back to normal.’”

Since the surgery, the smaller sewing ring has received FDA approval for commercial use, enabling more patients to benefit from the device.

Lizneidy’s family is now staying at the Ronald McDonald House at Stanford. Lizneidy is receiving physical therapy to rebuild her strength and improve her ability to recover from a future heart transplant. Her medical team — which also includes pediatric cardiologist David Rosenthal, MD, professor of pediatrics at the School of Medicine, and nurse practitioner Jenna Murray — plans to monitor her for a few months before deciding whether to add her to the transplant waiting list.

In the meantime, Lizneidy is relaxed and cheerful, attending seventh grade at the hospital school and taking in stride new challenges, like swallowing lots of pills, which are intended to give her heart every opportunity to recover, if it can. The battery pack for her heart pump is always at her side, housed in a tote bag she wears over her shoulder.

“It’s like an annoying best friend, always there,” Lizneidy said. “But I’m OK with it.” 

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