The Usefulness of Contrast-Enhanced Ultrasound in the Assessment of Early Kidney Transplant Function and Complications
AbstractObjectives: The routine diagnostic method for assessment of renal graft dysfunction is Doppler ultrasound. However, contrast-enhanced ultrasound (CEUS) may provide more information about parenchymal flow and vascular status of kidney allografts. The aim of the study was to assess the effectiveness of CEUS in the immediate post-transplant period, focusing on acute vascular complications. A brief review of available literature and a report of our initial experience is made. Material and methods: 15 kidney transplant (KT) cases with clinical suspicion of acute surgical complication were assessed with CEUS and conventional Doppler ultrasound (US). In addition, bibliographic review was conducted through PubMed, Embase, and ClinicalKey databases. Results: 10% of KT underwent CEUS, useful for detecting vascular complication or cortical necrosis in 4 (26%) and exclude them in 74%. Grafts with acute vascular complications have a delayed contrast-enhancement with peak intensity lower than normal kidneys. Perfusion defects can be clearly observed and the imaging of cortical necrosis is pathognomonic. Conclusions: CEUS is a useful tool in the characterization of renal graft dysfunction with special interest on acute vascular complications after renal transplant. It is a feasible technique for quantitative analysis of kidney perfusion, which provides information on renal tissue microcirculation and regional parenchymal flow. Exploration could be done by a urologist at the patient’s bedside while avoiding iodinated contrast. View Full-Text
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Álvarez Rodríguez, S.; Hevia Palacios, V.; Sanz Mayayo, E.; Gómez Dos Santos, V.; Díez Nicolás, V.; Sánchez Gallego, M.D.; Lorca Álvaro, J.; Burgos Revilla, F.J. The Usefulness of Contrast-Enhanced Ultrasound in the Assessment of Early Kidney Transplant Function and Complications. Diagnostics 2017, 7, 53.
Álvarez Rodríguez S, Hevia Palacios V, Sanz Mayayo E, Gómez Dos Santos V, Díez Nicolás V, Sánchez Gallego MD, Lorca Álvaro J, Burgos Revilla FJ. The Usefulness of Contrast-Enhanced Ultrasound in the Assessment of Early Kidney Transplant Function and Complications. Diagnostics. 2017; 7(3):53.Chicago/Turabian Style
Álvarez Rodríguez, Sara; Hevia Palacios, Vital; Sanz Mayayo, Enrique; Gómez Dos Santos, Victoria; Díez Nicolás, Víctor; Sánchez Gallego, María D.; Lorca Álvaro, Javier; Burgos Revilla, Francisco J. 2017. "The Usefulness of Contrast-Enhanced Ultrasound in the Assessment of Early Kidney Transplant Function and Complications." Diagnostics 7, no. 3: 53.
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