Intra-Aortic Balloon Counterpulsation Therapy Questions and Answers

Intra-Aortic Balloon

Counterpulsation Therapy

Questions and Answers


Increase coronary artery perfusion

Decrease myocardium oxygen consumption - ANSWER-List 2 main benefit of

IABP




a technique for assisting the circulation and decreasing the work of the

heart, by synchronizing the force of an external pumping device with cardiac

systole and diastole. - ANSWER-counterpulsation




2 - ANSWER-Balloon is positioned in the descending thoracic aorta.

__ cm below the origin of the left subclavian artery

Above the renal arteries

Position is critical to avoid complications and obtain the expected benefit

, 85 - 90 - ANSWER-*Balloon Occlusivity*

Should occlude aorta ___% when inflated

Total occlusion could result in aortic wall trauma and damage to Red Blood

Cells and Platelets




20 - ANSWER-Balloon occlusivity can be checked by the Balloon Pressure

Waveform

If the plateau pressure is more than ___ mmHg higher than

the Peak Diastolic Pressure (augmented pressure), the balloon is too large




*Decreased afterload, SVR*

Decreased MVO2 and demand - ANSWER-Signs of Improved Clinical

Condition when balloon is deflated




Decreased signs of myocardial ischemia

Increased coronary blood flow - ANSWER-Signs of Improved Clinical Condition

when balloon is inflated




Myocardial Oxygen Consumption - ANSWER-MVO2