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Preliminary research of sound velocity tissue quantification on liver fibrosis stage / 中华超声影像学杂志
Chinese Journal of Ultrasonography ; (12): 29-35, 2016.
Artículo en Chino | WPRIM | ID: wpr-487991
ABSTRACT
Objective To evaluate sound velocity tissue quantification ( SVQ ) for the quantitative assessment of liver fibrosis stage in chronic hepatitis B ,and to evaluate the correlation between diagnostic performance of sound velocity tissue quantification and blood parameters . Methods From the May of 2013 to May of 2014 ,collect ninety‐nine patients with chronic hepatitis B who was diagnosed by clinic and / or liver biopsy as experiment group ,and thirty healthy volunteers as control group at the same time . The experiment group and control group were evaluated with to measurement the zone speed index ( ZSI) ,and blood cell count . The AST/PLT ratio index ( APRI) was calculated according the following formula , APRI=AST(ULN)/PLT(109/L) . The liver biopsy was performed in the same day with SVQ and all blood parameters .ZSI and APRI were compared by correlation with liver fibrosis stage in chronic hepatitis B . Referring to the histologic fibrosis stage on liver biopsy ,all the ZSI and the APRI value were assessed by using ROC curve analysis . The corresponding cut‐off value ,sensitivity and specificity were also calculated andcompared.Results 1)ThemeanvaluesofAPRIwere(15.9±5.7)m/sforpatientswithS0,(28.1± 2 .8)m/s for patients with S1 ,(35 .8 ± 1 .2)m/s for patients with S2 ,(42 .6 ± 0 .8)m/s for patients with S3 , and (46 .3 ± 1 .3)m/s for patients with S4 .2)Accordingly ,the areas under the ROC curve for ZSI and APRI were 0 .875 and 0 .762 for S≥S1 ,0 .832 and 0 .597 for S≥S2 ,0 .913 and 0 .675 for S≥S3 ,0 .891 and 0 .709 for S≥S4 ,respectively . Conclusions The ZSI and APRI all could be used to evaluate the stage of liver fibrosis ,but the ZSI index is superior to APRI in assessing the stage of liver fibrosis . SVQ could provide object and accurate image ,the quantitative analysis of tissue could timely and accurately evaluate the severity of liver fibrosis .

Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Tipo de estudio: Estudio pronóstico Idioma: Chino Revista: Chinese Journal of Ultrasonography Año: 2016 Tipo del documento: Artículo

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Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Tipo de estudio: Estudio pronóstico Idioma: Chino Revista: Chinese Journal of Ultrasonography Año: 2016 Tipo del documento: Artículo