Various conditions can cause post-operative hypoxemia, especially in elderly patients. However, a new symptomatic cardiac shunt is a very rare and unexpected complication in this setting. This study presents a case of refractory hypoxemia after orthopedic surgery due to right-to-left (R-L) shunt via a patent foramen ovale (PFO).
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An Unusual Cause of Hypoxemia after Orthopedic Surgery on an Elderly Patient
CarvalhoP, MeirelesD, MartinsJL, CostaM, NevesAB. An Unusual Cause of Hypoxemia after Orthopedic Surgery on an Elderly Patient. Arq. Bras. Cardiol. 2022;118(3):659-62.
Carvalho,Pedro; Meireles,Daniela; Martins,José Luís; Costa,Marco; Neves,Ana Briosa. An Unusual Cause of Hypoxemia after Orthopedic Surgery on an Elderly Patient. Arq. Bras. Cardiol., v. 118, n. 3, p. 659-662, Mar. 2022.
Carvalho,P., Meireles,D., Martins,J.L., Costa,M., & Neves,A.B. (2022). An Unusual Cause of Hypoxemia after Orthopedic Surgery on an Elderly Patient. Arq. Bras. Cardiol.,118(3), 659-662.
Carvalho,Pedro and Meireles,Daniela and Martins,José Luís and Costa,Marco and Neves,Ana Briosa. An Unusual Cause of Hypoxemia after Orthopedic Surgery on an Elderly Patient. Arq. Bras. Cardiol. [online]. 2022, vol. 118, n. 3, [cited 2025-10-25], pp.659-662. Available from: <https://abccardiol.org/en/article/an-unusual-cause-of-hypoxemia-after-orthopedic-surgery-on-an-elderly-patient/>. ISSN 0066-782X.