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Management of Pulmonary Hypertension in the Operating Room

Department of Anesthesiology, Presbyterian University Hospital, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, subramaniamk{at}upmc.edu

Jean-Pierre Yared, MD

Department of Cardiothoracic Anesthesia, Cardiovascular ICU and Outcomes Research, Cleveland Clinic Foundation, Cleveland, Ohio

Pulmonary artery hypertension is defined as persistent elevation of mean pulmonary artery pressure > 25 mm Hg with pulmonary capillary wedge pressure < 15 mm Hg or elevation of exercise mean pulmonary artery pressure > 35 mm Hg. Although mild pulmonary hypertension rarely impacts anesthetic management, severe pulmonary hypertension and exacerbation of moderate hypertension can lead to acute right ventricular failure and cardiogenic shock. Knowledge of anesthetic drug effects on the pulmonary circulation is essential for anesthesiologists. Intraoperative management should include prevention of exacerbating factors such as hypoxemia, hypercarbia, acidosis, hypothermia, hypervolemia, and increased intrathoracic pressure; monitoring and optimizing right ventricular function; and treatment with selective pulmonary vasodilators. Recent advances in pharmacology provide anesthesiologists with a wide variety of options for selective pulmonary vasodilatation. Pulmonary hypertension is a major determinant of perioperative morbidity and mortality in special situations such as heart and lung transplantation, pneumonectomy, and ventricular assist device placement.

Key Words: hypertension • pulmonary • management • anesthesia • location • operating room

Seminars in Cardiothoracic and Vascular Anesthesia, Vol. 11, No. 2, 119-136 (2007)
DOI: 10.1177/1089253207301733


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