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Doppler evaluation of arterial complications of adult orthotopic liver transplantation
Journal of clinical ultrasound, 2003-09, Vol.31 (7), p.339-345
Vit, Alessandro
De Candia, Alessandro
Como, Giuseppe
Del Frate, Chiara
Marzio, Andrea
Bazzocchi, Massimo
2003
Volltextzugriff (PDF)
Details
Autor(en) / Beteiligte
Vit, Alessandro
De Candia, Alessandro
Como, Giuseppe
Del Frate, Chiara
Marzio, Andrea
Bazzocchi, Massimo
Titel
Doppler evaluation of arterial complications of adult orthotopic liver transplantation
Ist Teil von
Journal of clinical ultrasound, 2003-09, Vol.31 (7), p.339-345
Ort / Verlag
Hoboken: Wiley Subscription Services, Inc., A Wiley Company
Erscheinungsjahr
2003
Quelle
Wiley-Blackwell Journals
Beschreibungen/Notizen
Purpose The aim of this study was to analyze the role of the resistance index (RI), systolic acceleration time (SAT), and spectral waveform's morphologic characteristics in the sonographic evaluation of the hepatic artery for early detection of stenosis or thrombosis after orthotopic liver transplantation. Methods Arterial Doppler sonograms of 174 transplanted livers in 150 patients were analyzed for presence or absence of blood flow, RI, SAT, and peak systolic velocity. A qualitative evaluation of the spectral waveform morphologic characteristics was also made. In patients who had had abnormal findings on sonography, we compared those results with results obtained on multislice helical CT or angiography. Results At least 1 of the Doppler criteria for hepatic artery stenosis or thrombosis was identified in 25 of the transplants. The findings on multislice helical CT, angiography, or both confirmed the diagnosis of stenosis or thrombosis in 20 of the 25 cases: in 9 of 10 cases of absent hepatic arterial blood flow, 5 of 9 with an RI lower than 0.5, 6 of 7 cases with an SAT longer than 0.08 second, 10 of 11 cases of changes to a tardus‐parvus–like spectral waveform, and in the 1 case of a peak systolic velocity greater than 2 m/second. Conclusions The most accurate indicator of hepatic arterial stenosis or thrombosis was a change in the spectral waveform to a tardus‐parvus pattern, with 91% sensitivity and 99.1% specificity. Among the other parameters, an increase of the SAT value (> 0.08 second), when associated with the morphologic modification of the systolic peak, is a more reliable parameter than the RI for early detection of artery stenosis, especially when the type of anastomosis is unknown. © 2003 Wiley Periodicals, Inc. J Clin Ultrasound 31:339–345, 2003
Sprache
Englisch
Identifikatoren
ISSN: 0091-2751
eISSN: 1097-0096
DOI: 10.1002/jcu.10190
Titel-ID: cdi_proquest_miscellaneous_73651009
Format
–
Schlagworte
Adult
,
Aged
,
arterial complications
,
Biological and medical sciences
,
Cardiovascular system
,
color Doppler ultrasonography
,
Constriction, Pathologic - diagnostic imaging
,
Constriction, Pathologic - etiology
,
Female
,
Hepatic Artery - diagnostic imaging
,
Hepatic Artery - pathology
,
Humans
,
Investigative techniques, diagnostic techniques (general aspects)
,
Liver - blood supply
,
liver transplantation
,
Liver Transplantation - adverse effects
,
Liver Transplantation - diagnostic imaging
,
Liver, biliary tract, pancreas, portal circulation, spleen
,
Male
,
Medical sciences
,
Middle Aged
,
Postoperative Complications - diagnostic imaging
,
Regional Blood Flow
,
Retrospective Studies
,
Sensitivity and Specificity
,
Surgery (general aspects). Transplantations, organ and tissue grafts. Graft diseases
,
Surgery of the digestive system
,
Thrombosis - diagnostic imaging
,
Thrombosis - etiology
,
Tomography, X-Ray Computed
,
Ultrasonic investigative techniques
,
Ultrasonography, Doppler
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