Abstract:
BACKGROUND:Transient elastography (TE) is an innovative, noninvasive technique to assess liver fibrosis by measuring liver stiffness in patients with chronic liver diseases. The purpose of this study has been to explore the accuracy of TE and clinical parameters in predicting the presence of esophageal/gastric varices in children with biliary atresia (BA) following portoenterostomy. METHODS:Patients with BA status post portoenterostomy and normal children were recruited. Splenomegaly and presence of EV/GV were determined by physical examination and endoscopy, respectively. Aspartate transaminase to platelet ratio index (APRI) was used as a serum fibrosis marker. TE was performed by using FibroScan. Data was expressed as mean ± SD. RESULTS:Seventy-three BA patients (male:female = 32:41; age 9.11 ± 5.64 years) and 50 normal controls (male:female = 19:31; age 11.00 ± 3.31 years) were enrolled. The liver stiffness score of BA patients was significantly higher than that of normal controls (27.37 ± 22.48 and 4.69 ± 1.03 kPa; p < 0.001). Patients with EV/GV had significantly higher liver stiffness score and APRI than those without EV/GV. As for EV/GV diagnosis, the areas under the receiver operating characteristic curve were 0.89 (95% CI 0.80 to 0.98) for TE and 0.87 (95% CI 0.78 to 0.96) for APRI, respectively. The sensitivity (and specificity) of TE (using a cut-off value of 12.7 kPa) and APRI (using a cut-off value of 1.92) in predicting EV/GV were 84% (77%) and 84% (83%), respectively, whereas the sensitivity (and specificity) of splenomegaly in predicting EV/GV were 92% (85%). CONCLUSIONS:Transient elastography is a useful tool for predicting the presence of EV/GV. In addition, basic physical examination, routine biochemical and hematological tests, are still worthwhile and correlate well with the presence of EV/GV in patients with BA post portoenterostomy.
journal_name
BMC Gastroenteroljournal_title
BMC gastroenterologyauthors
Chongsrisawat V,Vejapipat P,Siripon N,Poovorawan Ydoi
10.1186/1471-230X-11-41subject
Has Abstractpub_date
2011-04-18 00:00:00pages
41issn
1471-230Xpii
1471-230X-11-41journal_volume
11pub_type
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