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Case Reports
Right Ventricular Outflow Tract Obstruction in the Intensive Care Unit: A Case Report of 2 Patients.
- Yu Hao Zeng, Alexander Calderone, William Beaubien-Souligny, Matthew P Aldred, Etienne J Couture, Ali Hammoud, Cristhian Potes, Yoan Lamarche, and André Y Denault.
- From the Department of Anesthesiology, Montreal Heart Institute, Université de Montréal, Montreal, Quebec, Canada.
- A A Pract. 2021 Dec 17; 15 (12): e01532e01532.
AbstractRight ventricular outflow tract obstruction (RVOTO) is a rare cause of hemodynamic instability in the intensive care unit (ICU) after cardiac surgery. We report the first cases of RVOTO diagnosed in the ICU using continuous right ventricular pressure waveform monitoring. Our 2 cases reflect both mechanical and dynamic causes of obstruction, each of which require different approaches to treatment. Inotrope use can exacerbate RVOTO caused by dynamic etiology, whereas surgery is usually the treatment of choice for mechanical obstructions. Inability to recognize RVOTO or the correct etiology can lead to hemodynamic compromise and poor outcomes.Copyright © 2021 The Author(s). Published by Wolters Kluwer Health, Inc. on behalf of the International Anesthesia Research Society.
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