Seattle Children's neonatologist Dr. Kendra Smith suggested trying Perflubron, a liquid ventilation drug that was used in the '90s. The drug was scrapped after the manufacturer found it had little use in adults. While it isn't approved by the FDA, in the United States it is approved for use in Canada and Europe. Perflubron is an oxygen-rich liquid that fills and expands the lungs.

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In this file photo from October 2024, Atlanta Braves outfielder Jorge Soler and teammates react after losing to the San Diego Padres 5-4 in San Diego. The Braves and Soler, who now plays for the Los Angeles Angels, face a lawsuit by a fan injured at a 2021 World Series game at Truist Park in Atlanta. (Jason Getz/AJC)

Credit: Jason.Getz@ajc.com