CT Imaging of Complications Associated with Continuous-Flow Left Ventricular Assist Devices (LVADs)

Girish S. Shroff, Daniel Ocazionez, Bindu Akkanti, Daniel Vargas, Alheli Garza, Pushpender Gupta, Jayeshkumar A. Patel, Manish K. Patel, Igor D. Gregoric

Research output: Contribution to journalArticlepeer-review

Abstract

Heart failure is becoming increasingly prevalent, and more patients are being treated with left ventricular assist devices (LVADs), either as a bridge to transplant or as destination therapy. The use of continuous-flow LVADs is on the rise. LVAD therapy is associated with several classes of complications, including bleeding, thrombosis, and infection. CT imaging can be used effectively to diagnose LVAD complications, including mediastinal hematomas and pericardial, abdominal wall, and retroperitoneal hemorrhage, inflow and outflow graft and aortic thrombi, and driveline and pump pocket infections. CT can also be helpful in cases of device malfunction and can detect outflow graft kinking and inflow cannula misalignment. When interpreting CT scans in patients with LVADs, accessory materials implanted with the device should not be mistaken for hemorrhage or calcification. With training in recognizing LVAD complications, radiologists can play an important role in the evaluation of patients with heart failure.

Original languageEnglish (US)
Pages (from-to)616-628
Number of pages13
JournalSeminars in Ultrasound, CT and MRI
Volume38
Issue number6
DOIs
StatePublished - Dec 2017
Externally publishedYes

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging

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