| Comparison of findings of spontaneous splenorenal shunt in color Doppler sonography with multislice CT scan (64 slices) in liver transplant candidates. | |
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MedLine Citation:
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PMID: 21741785 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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BACKGROUND: Liver transplantation is the only definite treatment for end stage liver disease and it has high costs for the medical system so decreasing its complication and increasing its effectiveness is crucial. One of the factors that affect liver transplantation is the presence of spontaneous splenorenal shunt. Its diagnosis is mainly overlooked in pre-liver transplant patients. Main modality for its diagnosis is multislice CT scan however this is more expensive than sonography. Also, it exposes the patients to ionizing radiation. Considering the advantages of color Doppler ultrasound, studies to determine the sensitivity and specificity for detection of spontaneous splenorenal shunt is essential. MATERIALS AND METHODS: In our study 70 cirrhotic patients who were referred by liver transplant surgeons for evaluation of abdomen by CT and sonograhy were assessed for presence of spontaneous splenorenal shunt, left adrenal varix and left renal vein diameter and velocity and sensitivity and specificity of both modalities were checked. Patients in whom left renal vein could not evaluated by sonography and patients with splenectomy and nutcracker syndrome were excluded. RESULTS: In the point of 10mm diameter of left renal vein in CT scan there was 78.6% sensitivity and 67.9% specificity for the presence of spontaneous splenorenal shunt. Left adrenal varix in CT had sensitivity of 71.4%, specificity of 100%, and positive predictive value of 100% and negative predictive value of 70% and varix below spleen in CT had sensitivity of 54.8%, specificity of 96.4%, and positive predictive value of 95.8% and negative predictive value of 58.7% for the presence of spontaneous splenorenal shunt. In the point of 8mm diameter of left renal vein in sonography there was 66.7% sensitivity and 85.7% specificity for the presence of spontaneous splenorenal shunt. For the velocity of more than 35cm/s of left renal vein in sonography there was 61.9% sensitivity and 82.1% specificity for the presence of spontaneous splenorenal shunt. Left adrenal varix in sonography had sensitivity of 45.2%, specificity of 96.4%, positive predictive value of 95% and negative predictive value of 54% for the presence of spontaneous splenorenal shunt. CONCLUSION: There was moderate agreement between CT scan and sonography for detection of spontaneous splenorenal shunt. CT scan is choice for detection of SSRS but sonography is somehow useful. It means that if sonograhy is positive it is sufficient, if negative, then CT should be performed. This is due to low sensitivity of sonography. |
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Authors:
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Mohammadhadi Bagheri; Azadeh Hajati; Mohammadkazem Hosseini; Seyed Pouria Ostad |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-7-7 |
Journal Detail:
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Title: European journal of radiology Volume: - ISSN: 1872-7727 ISO Abbreviation: - Publication Date: 2011 Jul |
Date Detail:
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Created Date: 2011-7-11 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8106411 Medline TA: Eur J Radiol Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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Copyright © 2011 Elsevier Ireland Ltd. All rights reserved. |
Affiliation:
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Department of Radiology, Shiraz University of Medical Sciences, Namazi Hospital, Shiraz, Iran. |
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