Screening for Outflow Cannula Malfunction of Left Ventricular Assist Devices (LVADs) With the Use of Doppler Echocardiography: New LVAD-Specific Reference Values for Contemporary Devices

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Screening for Outflow Cannula Malfunction of Left Ventricular Assist Devices (LVADs) With the Use of Doppler Echocardiography: New LVAD-Specific Reference Values for Contemporary Devices

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作者：Jonathan Grinstein ; MD¹ ; ² ; Eric Kruse ; RDCS¹ ; Keith Collins ; RDCS¹ ; Gabriel Sayer ; MD¹ ; ² ; Savitri Fedson ; MD³ ; Gene H. Kim ; MD¹ ; ² ; Nitasha Sarswat ; MD¹ ; ² ; Sirtaz Adatya ; MD¹ ; ² ; Takeyoshi Ota ; MD ; PhD¹ ; ⁴ ; Valluvan Jeevanandam ; MD¹ ; ⁴ ; Victor Mor-Avi ; PhD¹ ; ² ; Nir Uriel ; MD¹ ; ² ; ^{nuriel@medicine.bsd.uchicago.edu" class="auth_mail" title="E-mail the corresponding author} ; Roberto M. Lang ; MD¹ ; ²
关键词：LVAD ; outflow cannula ; device malfunction
刊名：Journal of Cardiac Failure
出版年：2016
出版时间：October 2016
年：2016
卷：22
期：10
页码：808-814
全文大小：990 K

文摘

•: A peak velocity of the LVAD outflow cannula of >2 m/s poorly predicts malfunction.
•: The HMII and HVAD have unique normal operating velocities in their outflow cannulas.
•: Peak velocities of 2.7 m/s (HMII) and 3.4 m/s (HVAD) have improved specificity for detecting malfunction.