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The pandemic of COVID-19-related respiratory failure has increased utilization of ECMO in diverse patient populations. There are limited published reports of ECMO use in pregnancy, and reports of successful delivery of the fetus with survival of the mother on ECMO are exceptionally rare. We present a case of Cesarean section while on ECMO for COVID-19-related respiratory failure with survival of both mother and infant. A 37-year-old pregnant female presented with dyspnea following a positive COVID-19 test. D-Dimer and CRP were elevated and chest radiography was consistent with COVID-19 pneumonia. Her respiratory status rapidly decompensated—requiring endotracheal intubation within 6 hours of presentation, and ultimately veno-venous ECMO cannulation. Three days later, fetal heart rate decelerations prompted emergent caesarean delivery. The infant was transferred to the NICU and progressed well. The patient improved and she was decannulated on hospital day 22 (ECMO day 15) before discharge to rehab on hospital day 49. In this case, ECMO allowed survival of both mother and infant in an otherwise non-survivable respiratory failure. Consistent with existing reports, we believe ECMO is a viable strategy for refractory respiratory failure in the pregnant patient.

Cerebrovascular embolic strokes are responsible for significant morbidity. 40% of strokes have no inciting cause and are thought to be the result of paradoxical emboli (PDE) passing into the arterial system by way of intra-cardiac or pulmonary vascular defects. We present two cases of PDE resulting in acute ischemic events. A 63-year-old female presented for evaluation of left upper extremity numbness. Imaging was significant for an acute right middle cerebral artery infarct and evidence of a large saddle pulmonary embolism. The patient’s stroke was postulated to have been secondary to a patent foramen ovale (PFO). An 87-year-old male presented for evaluation of chest pain. The patient underwent three-vessel CABG and experienced an acute left hemispheric stroke post-operatively. Transthoracic echocardiogram demonstrated a biatrial thrombus transversing a PFO and was postulated to have been the cause. The prompt diagnosis of PDE is paramount to preventing the morbidity associated with repeat ischemic events.

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