Pulmonary edema interventional therapy

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Farnaz Khalighinejad, MD [2]

Interventional Therapy

Intra-Aortic Balloon Pumping

• Can be used to achieve hemodynamic stabilization in the patient before definitive therapy
• The intra-aortic balloon pump decreases afterload

• The intra-aortic balloon pump is inserted percutaneously through the femoral artery

• The distal end of the pump is placed distal to the aortic knob and the origin of the left subclavian artery
• For inflation of the balloon helium is used
• Inflation of the balloon should occur in early diastole, just after the aortic valve closes
• Balloon deflation should occur in early systole, just before the aortic valve opens
• Proper inflation leads to an assisted peak diastolic pressure higher than the unassisted peak systolic arterial pressure
• Proper deflation results in assisted aortic end-diastolic pressure of approximately 10mm Hg lower than the unassisted end-diastolic pressure.