KONGSAYREEPONG, S.; JANYONG, P. Platypnea and orthodeoxia syndrome due to a right-to-left shunt via the foramen ovale in the absence of pulmonary hypertension after orthotopic liver transplantation: Sequelae leading to brain abscess: A case report: Reopening foramen ovale in the absence of pulmonary hypertension causes POS and brain abscess after orthotopic liver transplantation. Clinical Critical Care, Bangkok, Thailand, v. 33, n. 1, p. e250017, 2025. DOI: 10.54205/ccc.v33.273699. Disponível em: https://he02.tci-thaijo.org/index.php/ccc/article/view/273699. Acesso em: 20 sep. 2026.