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J Clin Imaging Sci. 2011;1:50. doi: 10.4103/2156-7514.86665. Epub 2011 Oct 25.

Multimodality imaging of normal hepatic transplant vasculature and graft vascular complications.

Author information

  • 1Department of Radiology, Albert Einstein College of Medicine and Montefiore Medical Center, 111 E. 210 St., Bronx, NY 10467, USA.

Abstract

Orthotopic liver transplantation is an important treatment option for patients with end-stage liver disease. Advances in surgical technique, along with improvements in organ preservation and immunosuppression have improved patient outcomes. Post-operative complications, however, can limit this success. Ultrasound is the primary imaging modality for evaluation of hepatic transplants, providing real-time information about vascular flow in the graft. Graft vascular complications are not uncommon, and their prompt recognition is crucial to allow for timely graft salvage. A multimodality approach including CT angiography, MRI, or conventional angiography may be necessary in cases of complex transplant vascular anatomy or when sonography and Doppler are inconclusive to diagnose the etiologies of these complications. The purpose of this article is to familiarize radiologists with the normal post-transplant vascular anatomy and the imaging appearances of the major vascular complications that may occur within the hepatic artery, portal vein, and venous outflow tract, with an emphasis on ultrasound.

KEYWORDS:

Doppler; hepatic; spectral; ultrasound; vascular

PMID:
22184543
[PubMed]
PMCID:
PMC3237000
Free PMC Article

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