Hipoxemia recurrente y formen oval permeable. Unidad diagnóstica fácilmente inadvertida. Caso clínico

• Autores: Franco Appiani, Polentzi Uriarte, Rosario Fernández, Víctor Parra, Fernando Pineda
• Localización: Revista Médica de Chile, ISSN-e 0034-9887, Vol. 148, Nº. 2, 2020, págs. 263-267
• Idioma: español
• Títulos paralelos:
  • Recurrent hypoxemia secondary to a patent foramen ovale. Report of one case
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• Resumen

  • Patent foramen ovale (PFO) is a prevalent congenital septal atrial defect usually without pathological significance. In certain pathogenic situations, PFO can trigger episodes of recurrent hypoxemia, a specific condition known as platipnea-orthodeoxia syndrome (POS). We report a 73 years old female presenting with dyspnea and low arterial oxygen saturation. On admission the patient had a hemoglobin saturation of 81% and an arterial oxygen partial pressure of 50 mmHg. After breathing 100% a 17% arterial-venous shunt was found (normal: less than 12%). A transesophageal echocardiogram and a cardiac catheterization showed the presence of a PFO. A percutaneous closure was performed.