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Please use this identifier to cite or link to this item: http://repository.li.mahidol.ac.th/dspace/handle/123456789/51673
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dc.contributor.authorNuttawut Sermsathanasawadien_US
dc.contributor.authorKanin Pruekpraserten_US
dc.contributor.authorWacharaphong Pitaksantayothinen_US
dc.contributor.authorKhamin Chinsakchaien_US
dc.contributor.authorChumpol Wongwaniten_US
dc.contributor.authorChanean Ruangsetakiten_US
dc.contributor.authorPramook Mutiranguraen_US
dc.contributor.otherFaculty of Medicine, Siriraj Hospital, Mahidol Universityen_US
dc.date.accessioned2020-01-27T09:51:31Z-
dc.date.available2020-01-27T09:51:31Z-
dc.date.issued2019-05-01en_US
dc.identifier.citationJournal of Vascular Surgery: Venous and Lymphatic Disorders. Vol.7, No.3 (2019), 441-447en_US
dc.identifier.issn22133348en_US
dc.identifier.issn2213333Xen_US
dc.identifier.other2-s2.0-85061256716en_US
dc.identifier.urihttp://repository.li.mahidol.ac.th/dspace/handle/123456789/51673-
dc.description.abstract© 2018 Society for Vascular Surgery Objective: The aim of this study was to investigate the prevalence and clinical predictors of >50% iliocaval venous obstruction (ICVO) in Thai patients with lipodermatosclerosis and healed or active venous ulcers and the diagnostic accuracy of duplex ultrasound (DUS) compared with computed tomography venography (CTV). Methods: Limbs with lipodermatosclerosis, healed venous leg ulceration, or active venous leg ulceration were prospectively evaluated by DUS and CTV. Loss of respiratory variation in the common femoral vein (CFV) and reversed flow in the superficial epigastric vein (SEV) were evaluated by DUS. Percentage of venous obstruction was measured by CTV. The prevalence and clinical predictors of >50% ICVO were determined, and the accuracy of DUS for diagnosis of >50% ICVO was compared with the diagnostic accuracy of CTV. Results: A total of 106 patients (135 limbs) were enrolled. The mean age was 58 ± 12 years, and 57 (54%) patients were female. Previous history of deep venous thrombosis (DVT) in the symptomatic leg was documented in 21 (15.6%) limbs; >50% ICVO by CTV was found in 38 (28.1%) limbs. Independent predictors of >50% ICVO included left leg (P =.001) and previous history of DVT in the affected leg (P =.001). For diagnosis of >50% ICVO, the sensitivity and specificity of loss of respiratory variation in the CFV were 23.7% and 100%, respectively; the sensitivity and specificity of reversed flow in the SEV were 7.9% and 100%, respectively. Conclusions: Limbs with lipodermatosclerosis or with healed or active venous ulceration, especially in the left limb or in limbs with a history of DVT in the affected limb, had a high prevalence of ICVO; these limbs should be routinely studied with DUS. Limbs with an abnormal finding on DUS, including loss of respiratory variation in the CFV or reversed flow in the SEV, should be routed for venous intervention, and those with normal DUS findings should be referred for CTV.en_US
dc.rightsMahidol Universityen_US
dc.source.urihttps://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85061256716&origin=inwarden_US
dc.subjectMedicineen_US
dc.titlePrevalence, risk factors, and evaluation of iliocaval obstruction in advanced chronic venous insufficiencyen_US
dc.typeArticleen_US
dc.rights.holderSCOPUSen_US
dc.identifier.doi10.1016/j.jvsv.2018.10.021en_US
dc.identifier.urlhttps://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85061256716&origin=inwarden_US
Appears in Collections:Scopus 2019

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