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Real-time and Doppler US after pediatric segmental liver transplantation

II. Hepatic vein stenosis

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An Erratum to this article was published on 04 July 2008

An Erratum to this article was published on 04 July 2008

Abstract

Background

Accurate diagnosis of hepatic vein (HV) stenosis by real-time and color Doppler US (CD-US) after segmental liver transplantation in children can decrease morbidity because it allows unnecessary biopsy, obstruction or thrombosis and loss of the graft to be avoided.

Objective

To evaluate CD-US parameters to predict HV stenosis after segmental liver transplantation in children.

Materials and methods

Retrospective review of 79 CD-US examinations measuring velocity at the HV anastomosis (HV1) and the main trunk 1-2 cm proximal to the HV/IVC anastomosis (HV2), the HV1/HV2 ratio and the spectral waveform of HV2. The study group comprised patients with stenosis confirmed by angiography. The control group comprised patients with a good clinical outcome.

Results

HV stenosis was seen in 12 CD-US examinations. The mean HV1/HV2 ratio was higher in the study group (6.0 versus 4.0). An HV1/HV2 ratio of >4.1 was predictive of HV stenosis (sensitivity 83%, specificity 76%).

Conclusion

An HV1/HV2 ratio of >4.1 is a highly predictive CD-US parameter for the detection of hemodynamically significant HV stenosis on angiography.

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Acknowledgement

The Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) - Brasília, DF, Brazil, provided funding for this study.

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Authors and Affiliations

  1. Department of Radiology, Child Institute, University of São Paulo Medical School, São Paulo, Brazil

    Lisa Suzuki

  2. Department of Radiology, University of São Paulo Medical School, São Paulo, Brazil

    Ilka R. S. de Oliveira & Giovanni G. Cerri

  3. Department of Digestive Surgery, Clinic Hospital, University of São Paulo Medical School, São Paulo, Brazil

    Azzo Widman

  4. Department of Pediatric Surgery, Child Institute, University of São Paulo Medical School, São Paulo, Brazil

    Nelson E. M. Gibeli & João G. Maksoud

  5. Radiology Institute, Clinic Hospital, University of São Paulo Medical School, São Paulo, Brazil

    Francisco C. Carnevale

  6. R. Alves Guimarães, 623/132, CEP 05410-001, São Paulo, Brazil

    Lisa Suzuki

  7. Department of Radiology, University of Nebraska Medical Center, Omaha, NE, USA

    Anne M. Hubbard

Authors
  1. Lisa Suzuki
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  2. Ilka R. S. de Oliveira
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  3. Azzo Widman
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  4. Nelson E. M. Gibeli
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  5. Francisco C. Carnevale
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  6. João G. Maksoud
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  7. Anne M. Hubbard
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  8. Giovanni G. Cerri
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Corresponding author

Correspondence to Lisa Suzuki.

Additional information

An erratum to this article can be found at http://dx.doi.org/10.1007/s00247-008-0920-z

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Suzuki, L., de Oliveira, I.R.S., Widman, A. et al. Real-time and Doppler US after pediatric segmental liver transplantation. Pediatr Radiol 38, 409–414 (2008). https://doi.org/10.1007/s00247-007-0731-7

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  • DOI: https://doi.org/10.1007/s00247-007-0731-7

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