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Published on: May 2, 2017
VV-ECMO for surgical cure of a critical central airway obstruction
Hassan A Raza1, Brandon T Nokes2, Dawn Jaroszewski3
1Department of Medicine, New York Presbyterian Queens, United States.
Abstract:
Extracorporeal membrane oxygenation (ECMO) is a form of prolonged cardiopulmonary bypass that has extensively been used in critically ill patients in an intensive care setting. Both veno-venous (VV-) and veno-arterial (VA-) ECMO have been described as a perioperative rescue or replacement of endotracheal intubation in the setting of extrinsic airway compression due to a mediastinal mass. In this paper, we will outline the utility of ECMO in the context of extrinsic airway compression and will use an illustrative case to examine how ECMO can be useful during severe airway obstruction. Our patient successfully underwent surgical resection of the mass while on VV-ECMO. His symptoms resolved quickly and is now back to his baseline quality of life.
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In hypothesis testing, a sample statistic is converted to a test statistic using z, t, or chi-square distribution. A critical region is an area under the curve in probability distributions demarcated by the critical value. When the test statistic falls in this region, it suggests that the null hypothesis must be rejected. As this region contains all those values of the...
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