Document Detail


Risk factors and clinical course of portal and/or splenic vein thrombosis after partial splenic embolization.
MedLine Citation:
PMID:  19449229     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
BACKGROUND: Although portal and/or splenic vein thrombosis after partial splenic embolization (PSE) is a well-known complication, few reports evaluating risk factors have been published. PURPOSE: To investigate risk factors and clinical course of portal and/or splenic vein thrombosis after PSE. MATERIAL AND METHODS: Sixteen patients with severe hypersplenism underwent PSE between March 2005 and April 2008. The correlation between portal and/or splenic vein thrombosis after PSE detected on multidetector row CT (MDCT) and various factors were retrospectively reviewed. Further, the clinical course of portal and/or splenic vein thrombosis after PSE was observed on follow-up MDCT. RESULTS: Splenic vein thrombosis was detected in eight patients (50%) on MDCT images taken within 9 days after PSE. In one, the thrombosis also involved the portal vein. The infarct volume was identified as a significant risk factor for portal and/or splenic vein thrombosis (P=0.046). In all but one patient, splenic vein thrombosis resolved completely or improved without anticoagulation therapy. In this patient, both portal and splenic vein thrombosis developed after PSE, and anticoagulation therapy was necessary. CONCLUSION: It is suggested that a large splenic infarct volume is a risk factor for portal and/or splenic vein thrombosis after PSE. Indications for treatment of thrombosis of the portal vein system after PSE may be limited to patients with portal vein thrombosis.
Authors:
Tomohiro Matsumoto; Takuji Yamagami; Koshi Terayama; Takeharu Kato; Tatsuya Hirota; Rika Yoshimatsu; Hiroshi Miura; Hirotoshi Ito; Takeshi Okanoue; Tsunehiko Nishimura
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Acta radiologica (Stockholm, Sweden : 1987)     Volume:  50     ISSN:  1600-0455     ISO Abbreviation:  Acta Radiol     Publication Date:  2009 Jul 
Date Detail:
Created Date:  2009-06-23     Completed Date:  2009-07-13     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8706123     Medline TA:  Acta Radiol     Country:  England    
Other Details:
Languages:  eng     Pagination:  617-23     Citation Subset:  IM    
Affiliation:
Department of Radiology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, 465 Kajiicho, Kawaramachi Hirokoji, Kamigyo-ku, Kyoto, Japan. t-matsu@koto.kpu-m.ac.jp
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MeSH Terms
Descriptor/Qualifier:
Adult
Aged
Contrast Media / diagnostic use
Embolization, Therapeutic / adverse effects,  methods*
Female
Humans
Hypersplenism / therapy*
Male
Middle Aged
Observer Variation
Portal Vein / radiography*
Radiographic Image Enhancement / methods
Retrospective Studies
Risk Factors
Splenic Vein / radiography*
Tomography, X-Ray Computed / methods
Treatment Outcome
Venous Thrombosis / diagnosis*,  etiology,  radiography
Chemical
Reg. No./Substance:
0/Contrast Media

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