Use of the Esophageal Doppler Machine to help guide the intraoperative management of two children with pheochromocytoma

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The anesthetic management of pheochromocytoma has been based upon the intraoperative control of blood pressure and fluid balance following adequate preoperative preparation. This can be difficult, especially in the presence of significant comorbidity such as cardiac or renal dysfunction. Two cases of children with pheochromocytoma are reported where the introperative management of fluid balance and blood pressure control were guided by measurement of changes in descending aortic blood flow using an esophageal Doppler probe. The advantages of such a technique compared with more invasive monitors are discussed.

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