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By using PV loops as a feedback mechanism, one can optimize a patient’s hemodynamic state resulting from acute or long-term mechanical circulatory support. Quantitative measures of ventricular energetics, diastolic function, and dyssynchrony provide a comprehensive assessment of hemodynamic function tailored specifically to that patient.

 

This video showcases left ventricular unloading caused by an intra-aortic balloon pump (IABP). The LV PV loops begin at a “baseline” state, with the IABP being turned on at (0:09).

This video showcases left ventricular unloading by a percutaneous left ventricular assist device (pVAD).

 

Related Publications:

i.  2020; New Insights into RV Function among patients with LVAD: PV Loop Analysis. Click here to see article

ii.  2020; PV Loop Analysis of LV Unloading by a Percutaneous Transvalvular Pump. Click here to see article. 

iii. 2019; Clinical PV Loop Applications. Click here to read article.

iv. 2017; Acute Circulatory Support in MI and Shock. Click here to open article.

v.  2004; Beat-to-Beat Effects of Intra-Aortic Balloon Pump. Click here to open article.

 

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