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Войти в исследования Journal of pediatric surgery · 2019
Noninvasive assessment of liver fibrosis in pediatric intestinal failure patients using liver stiffness measurement by Vibration-Controlled Transient Elastography.
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Hong Charles R, Han Sam M, Staffa Steven J, Carey Alexandra N, Lee Christine K, Modi Biren P
Аннотация
PURPOSE: The purpose of this study was to evaluate the diagnostic utility of noninvasive Vibration-Controlled Transient Elastography (VCTE) for assessing liver fibrosis in pediatric intestinal failure (PIF) patients.
METHODS: Data from children with severe intestinal failure (≥90 days parenteral nutrition dependence) who underwent liver stiffness measurement (LSM), as measured by VCTE, at our institution between December 2015 and March 2018 were reviewed. LSM was compared to METAVIR fibrosis score (F0-F4) on liver biopsy performed within 1 year of VCTE.
RESULTS: Seventy children underwent 75 LSM. Sixty-three patients (38% female) had at least one valid LSM, and 63% had a history of cholestasis (direct bilirubin ≥2 mg/dL). Median (IQR) age at first valid LSM was 4.5 years (2.6, 8.7). Sixteen patients had a liver biopsy. LSM differentiated between METAVIR F0-F1 (n = 6) and F2-F4 (n = 10) with an area under the receiver operating characteristic (AUROC) curve of 0.883 (95% CI: 0.686-0.999). The optimal cut-point derived to predict F2-F4 was an LSM ≥6 kPa (sensitivity 80%, specificity 100%).
CONCLUSION: LSM as determined by VCTE can distinguish mild (F0-F1) from moderate/severe (F2-F4) liver fibrosis in PIF. VCTE could allow for serial noninvasive monitoring of liver injury, potentially facilitating timely modifications to hepatoprotective management.
TYPE OF STUDY: Study of Diagnostic Test.
LEVEL OF EVIDENCE: II.
METHODS: Data from children with severe intestinal failure (≥90 days parenteral nutrition dependence) who underwent liver stiffness measurement (LSM), as measured by VCTE, at our institution between December 2015 and March 2018 were reviewed. LSM was compared to METAVIR fibrosis score (F0-F4) on liver biopsy performed within 1 year of VCTE.
RESULTS: Seventy children underwent 75 LSM. Sixty-three patients (38% female) had at least one valid LSM, and 63% had a history of cholestasis (direct bilirubin ≥2 mg/dL). Median (IQR) age at first valid LSM was 4.5 years (2.6, 8.7). Sixteen patients had a liver biopsy. LSM differentiated between METAVIR F0-F1 (n = 6) and F2-F4 (n = 10) with an area under the receiver operating characteristic (AUROC) curve of 0.883 (95% CI: 0.686-0.999). The optimal cut-point derived to predict F2-F4 was an LSM ≥6 kPa (sensitivity 80%, specificity 100%).
CONCLUSION: LSM as determined by VCTE can distinguish mild (F0-F1) from moderate/severe (F2-F4) liver fibrosis in PIF. VCTE could allow for serial noninvasive monitoring of liver injury, potentially facilitating timely modifications to hepatoprotective management.
TYPE OF STUDY: Study of Diagnostic Test.
LEVEL OF EVIDENCE: II.