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ORIGINAL ARTICLE
Year : 2018  |  Volume : 23  |  Issue : 1  |  Page : 40

Doppler assessment of children with liver cirrhosis and portal hypertension in comparison with a healthy control group: An analytical cross-sectional study


1 Department of Radiology, School of Medicine, Research Institute for Primordial Prevention of Non-communicable Disease, Isfahan, Iran
2 Department of Pediatrics, School of Medicine; Child Growth and Development Research Center, Research Institute for Primordial Prevention of Non-communicable Disease; Emam Hossein Children's Hospital, Isfahan University of Medical Science, Isfahan, Iran

Correspondence Address:
Dr. Mohammadreza Rezaei
Department of Radiology, Alzahra Teaching Hospital, Isfahan
Iran
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/jrms.JRMS_1085_17

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Background: Doppler ultrasonography(Doppler US) plays an important role in evaluating patients with liver cirrhosis. This study aims to investigate the hemodynamic alterations of hepatic artery and portal vein among children with liver cirrhosis and portal hypertension(esophageal varices). Materials and Methods: We conducted an analytical cross-sectional study in Imam Hossein Children's Hospital, Isfahan, Iran, in 2016. Anumber of 33 cirrhotic children with or without esophageal varices were selected through convenience sampling method to be compared with 19 healthy children as controls using color and spectral Doppler US. Results: Portal vein mean velocities were 15.03±7.3cm/s in cirrhotics, 16.47±6.4cm/s in controls(P=0.51), 11.6±4.7cm/s in patients with varices, and 17.9±7.3cm/s in patients without varices(P=0.015). Mean diameters of caudate lobe, portal vein, and splenic vein, as well as the mean values of liver and spleen span, were significantly higher in cirrhotic children. The frequency of flow reversal(hepatofugal flow) was not detected significantly different in cirrhotics. Peak systolic velocity, end diastolic velocity, pulsatility index, and resistive index for hepatic artery as well as liver vascular index were not significantly different in cirrhotics in comparison with controls. Conclusion: Alterations in Doppler parameters of portal vein including diameter and velocity may be the helpful indicators of liver cirrhosis and esophageal varices in children, respectively. Parameters of hepatic artery may not differentiate children with liver cirrhosis.


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